Patent Inventor: Seiji Higurashi
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MPEG picture data recording apparatus, MPEG picture data recording method, MPEG picture data recording medium, MPEG picture data generating apparatus, MPEG picture data reproducing apparatus, and MPEG picture data reproducing method
Inventor: Sugahara, et al. | Patent Number: 8131135
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 8131131
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 8073310
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 8073309
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 8073308
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 8073307
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 8064749
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Audio/video recording apparatus, recording method, playback apparatus, playback method, playback program, and recording program
Inventor: Fuchigami, et al. | Patent Number: 7941030
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Information transmission system, and information sending apparatus and information receiving apparatus used therein
Inventor: Higurashi | Patent Number: 7747014
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Information-signal encrypting apparatus and information-signal decrypting apparatus
Inventor: Higurashi | Patent Number: 7661001
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Information recording apparatus, information reproducing apparatus, and related computer programs
Inventor: Sugahara, et al. | Patent Number: 7650062
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Information recording apparatus, information reproducing apparatus, and related computer programs
Inventor: Sugahara, et al. | Patent Number: 7650061
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Address-information recording method and apparatus, and optical recording medium
Inventor: Nishitani, et al. | Patent Number: 7580341
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Information transmission system
Inventor: Higurashi | Patent Number: 7471795
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 7317864
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MPEG picture data recording apparatus, MPEG picture data recording method, MPEG picture data recording medium, MPEG picture data generating apparatus, MPEG picture data reproducing apparatus, and MPEG picture data reproducing method
Inventor: Sugahara, et al. | Patent Number: 7292782
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Method and apparatus for encrypting and decrypting information
Inventor: Sugahara, et al. | Patent Number: 7254234
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 7239794
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Copyright protection system for data storage and transmission
Inventor: Higurashi, et al. | Patent Number: 7239703
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Contents recorder/reproducer
Inventor: Kuroiwa, et al. | Patent Number: 7237124
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Encryption method, decryption method, and recording and reproducing apparatus
Inventor: Ueda, et al. | Patent Number: 7155011
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Information transmission system, and information sending apparatus and information receiving apparatus used therein
Inventor: Higurashi | Patent Number: 7124434
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Contents recording apparatus, recording medium, contents reproducing apparatus, contents transmission method, transmission medium, and contents reception method
Inventor: Inoha, et al. | Patent Number: 7024561
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Method and apparatus for contents information
Inventor: Kuroiwa, et al. | Patent Number: 6975730
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Method and apparatus for transmitting encryption-resultant information and decrypting information
Inventor: Higurashi | Patent Number: 6959087
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Method and apparatus for transmitting information, and reproducing apparatus, receiving apparatus and recording medium for the information, and transmission data thereof
Inventor: Koda, et al. | Patent Number: 6947663
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Cryptosystem-related method and apparatus
Inventor: Inoha, et al. | Patent Number: 6891951
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Method and apparatus for contents information
Inventor: Sugahara, et al. | Patent Number: 6889323
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Method and apparatus for recording and reproducing information on and from recording medium
Inventor: Higurashi | Patent Number: 6886097
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Audio and video signal recording apparatus and method having a function of informing user when the signal is protected from recording
Inventor: Higurashi | Patent Number: 6879772
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Copyright protection system for data storage and transmission
Inventor: Higurashi, et al. | Patent Number: 6834349
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Data recording and reproducing apparatus
Inventor: Ogasawara, et al. | Patent Number: 6735375
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Game system and computer-readable recording medium
Inventor: Higurashi, et al. | Patent Number: 6582309
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Method and apparatus for recording and reproducing information
Inventor: Higurashi, et al. | Patent Number: 6560401
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Information compressing apparatus and method
Inventor: Higurashi | Patent Number: 6525776
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Magnetic recording apparatus, magnetic reproducing apparatus, and related methods
Inventor: Higurashi, et al. | Patent Number: 6504991
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Magnetic recording apparatus and method, and magnetic recording medium
Inventor: Higurashi | Patent Number: 6459848
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Information compressing apparatus
Inventor: Higurashi | Patent Number: 6381281
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Helical scan data recording apparatus and a helical scan data reproducing apparatus
Inventor: Ohishi, et al. | Patent Number: 6334024
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Digital signal recording method and apparatus and recording medium therefor
Inventor: Higurashi, et al. | Patent Number: 6317557
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Digital signal recording apparatus, and related method
Inventor: Higurashi, et al. | Patent Number: 6288857
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Method and apparatus for converting picture signal, and recording and reproducing apparatus
Inventor: Higurashi, et al. | Patent Number: 6262771
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Apparatus for recording digital picture signal
Inventor: Yoshida, et al. | Patent Number: 6201926
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Digital signal recording apparatus, and related method
Inventor: Higurashi, et al. | Patent Number: 6198585
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Digital signal recording and reproducing apparatus and recording medium
Inventor: Higurashi, et al. | Patent Number: 6191900
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Magnetic tape and a method for recording and reproducing a plurality of different information signals on and from the magnetic tape
Inventor: Higurashi | Patent Number: 6137648
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Method of recording one of different data
Inventor: Higurashi | Patent Number: 6125233
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Information signal recording apparatus
Inventor: Higurashi, et al. | Patent Number: 6122432
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Digital signal recording method and recording apparatus for searching each recorded program
Inventor: Yoshida, et al. | Patent Number: 6115202
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Method, device, and medium for recording digital signal
Inventor: Higurashi, et al. | Patent Number: 6108148
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Magnetic playback system
Inventor: Higurashi, et al. | Patent Number: 6084737
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Method and apparatus for recording digital signals in the form of primary data plus auxiliary information
Inventor: Higurashi, et al. | Patent Number: 6052246
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Magnetic recording/reproducing apparatus capable of reproducing digital data at minimum error rate
Inventor: Higurashi | Patent Number: 6031679
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Digital signal recording method and apparatus and recording medium therefor
Inventor: Higurashi, et al. | Patent Number: 6026213
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Method of recording various different video signals onto magnetic tape
Inventor: Higurashi, et al. | Patent Number: 6011896
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Helical scan type information recording device
Inventor: Ohishi, et al. | Patent Number: 6011665
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Recording/reproducing method of digital data and a recording medium
Inventor: Higurashi, et al. | Patent Number: 5999350
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Apparatus and method for recording and reproducing digital signals on first and second areas of a storage medium
Inventor: Higurashi, et al. | Patent Number: 5991501
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Data recording method for recording absolute address data on a tape storage medium
Inventor: Higurashi | Patent Number: 5986833
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Method and apparatus for recording time code data
Inventor: Higurashi | Patent Number: 5970204
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Method and apparatus for recording and reproducing packet data
Inventor: Higurashi, et al. | Patent Number: 5963703
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Error detection code forming method and apparatus
Inventor: Higurashi, et al. | Patent Number: 5948118
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Method of recording and reproducing digital signals in different signal transmission modes and recording medium therefor
Inventor: Higurashi, et al. | Patent Number: 5933568
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Digital address information recording method for recording absolute address together with information signal on recording medium
Inventor: Higurashi | Patent Number: 5822140
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Helical scan type information recording device for digital and analog signals
Inventor: Ohishi, et al. | Patent Number: 5757569
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Drum servo system using a PLL with frequency divided reference clock signals as an input
Inventor: Ogasawara, et al. | Patent Number: 5751509
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Helical scan type magnetic recording and reproducing apparatus
Inventor: Higurashi | Patent Number: 5642457
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Image information compression and decompression device
Inventor: Teranishi, et al. | Patent Number: 5633684
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Method of processing code for error checking and code processing circuit
Inventor: Ohishi, et al. | Patent Number: 5633635
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Phase comparing circuit and PLL circuit
Inventor: Zenno, et al. | Patent Number: 5577079
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Compression/decompression system which performs an orthogonal transformation in a time direction with respect to picture planes
Inventor: Shindou, et al. | Patent Number: 5559931
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Method of recording/reproducing digital data including recording region allocation
Inventor: Higurashi, et al. | Patent Number: 5552941
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Digital data transmission method and apparatus for transmitting digital data at a high efficiency
Inventor: Higurashi, et al. | Patent Number: 5537619
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Method and apparatus for deriving a video signal corresponding to a standard definition signal from a high definition signal
Inventor: Higurashi, et al. | Patent Number: 5500679
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Video tape recorder with PCM audio recording with device for detecting irregularities in the video signal
Inventor: Tsushima, et al. | Patent Number: 5428485
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Search system for helical scan digital data reproduction apparatus
Inventor: Nakano, et al. | Patent Number: 5274513
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Magnetic tape recording apparatus
Inventor: Suwa, et al. | Patent Number: 5124852
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Magnetic recording and/or reproducing apparatus having means for preventing audio-to-video crosstalk and noise generation
Inventor: Higurashi | Patent Number: 5063452
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Magnetic recording apparatus and magnetic recording/reproducing apparatus
Inventor: Suwa, et al. | Patent Number: 5027229
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Code-error correcting device
Inventor: Higurashi, et al. | Patent Number: 5014274
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Magnetic recording and reproducing system
Inventor: Higurashi | Patent Number: 4819088
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Magnetic recording and reproducing system
Inventor: Higurashi | Patent Number: 4768108
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Video and audio signal recording and/or reproducing apparatus
Inventor: Higurashi | Patent Number: 4752832
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Method for recording and/or reproducing video and audio signals on a magnetic tape and a rotary cylinder arrangement therefor
Inventor: Higurashi | Patent Number: 4660104
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Multi-mode magnetic recording system and multi-mode magnetic recording and playback system for VTR
Inventor: Higurashi, et al. | Patent Number: 4633332
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Sound and video multiplex recording system
Inventor: Hirota, et al. | Patent Number: 4622597
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Noise reduction circuit
Inventor: Higurashi | Patent Number: 4562492