Patent Examiner: Hartary; Joseph
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Ink jet apparatus with retractable recovery device
Inventor: Hasegawa, et al. | Patent Number: 6213581
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Ink jet head and method of producing the same
Inventor: Kawai, et al. | Patent Number: 6133926
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Ink recording method
Inventor: Hashimoto, et al. | Patent Number: 6126280
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Printhead having heating element conductors arranged in spaced apart planes and including heating elements having a substantially constant cross-sectional area in the direction of current flow
Inventor: Murthy, et al. | Patent Number: 6120135
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Ink jet recording method and apparatus using thermal energy
Inventor: Tajika, et al. | Patent Number: 6116710
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Ink jet print head
Inventor: Werner, et al. | Patent Number: 6099106
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Ink jet head having a silicon intermediate layer
Inventor: Hattori, et al. | Patent Number: 6086187
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Liquid jet recording head including a temperature sensor
Inventor: Maeda | Patent Number: 6074034
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Thermal inkjet printhead having a preferred nucleation site
Inventor: Buonanno | Patent Number: 6070969
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Printer head drive system having negative feedback control
Inventor: Hiwada | Patent Number: 6068360
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Liquid ejection head and apparatus and liquid ejection method
Inventor: Yoshihira, et al. | Patent Number: 6062680
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Ink-jet recording head with a particular arrangement of thermoelectric transducers and discharge openings
Inventor: Ishinaga, et al. | Patent Number: 6062678
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Ink jet recording apparatus constructed to detect a properly mounted ink cartridge
Inventor: Matsui, et al. | Patent Number: 6062667
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Driving method for ink jet recording head
Inventor: Moriyama | Patent Number: 6059394
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Liquid jet printing head and printing apparatus having the liquid jet printing head
Inventor: Maeda | Patent Number: 6053599
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Ink jet recording head
Inventor: Kitahara, et al. | Patent Number: 6048052
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Pinch point angle variation among multiple nozzle feed channels
Inventor: Moritz, III, et al. | Patent Number: 6042222
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Ink jet heater chip module
Inventor: Komplin, et al. | Patent Number: 6039439
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Information processing apparatus having means for estimating expendables to be consumed during recording
Inventor: Takahashi, et al. | Patent Number: 6027200
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Image output apparatus, image output method, ink jet print method and printed product obtained with said method
Inventor: Takahashi, et al. | Patent Number: 6024431
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Liquid jet recording head having internal structure for controlling droplet ejection and ink flow
Inventor: Takenouchi, et al. | Patent Number: 6022100
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Ink printing with drop separation
Inventor: Chwalek, et al. | Patent Number: 6022099
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Ink jet printhead for drop size modulation
Inventor: Cornell, et al. | Patent Number: 6020905
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Ink jet print device and print head or print apparatus using the same
Inventor: Silverbrook | Patent Number: 6019457
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Rubbing member for ink jet apparatus
Inventor: Arai, et al. | Patent Number: 6015203
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Nozzle array for printhead
Inventor: Powers, et al. | Patent Number: 6010208
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Liquid ejecting head, liquid ejecting device and liquid ejecting method
Inventor: Kashino, et al. | Patent Number: 6007187
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Liquid discharge method, liquid discharging head, liquid discharging apparatus, liquid container and head cartridge
Inventor: Asakawa, et al. | Patent Number: 6003978
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Solid state ink jet print head
Inventor: Weber, et al. | Patent Number: 6000787
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Nozzle plate for ink jet recording apparatus and method of preparing said nozzle plate
Inventor: Takemoto, et al. | Patent Number: 6000783
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Liquid jet recording head
Inventor: Takahashi, et al. | Patent Number: 5992983
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Suction recovery device with a cap having a shape corresponding to a contoured discharge port face
Inventor: Katayanagi, et al. | Patent Number: 5992965
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Fluid ejection head with multi-dimensional fluid path
Inventor: Hirasawa, et al. | Patent Number: 5988798
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Recording head
Inventor: Itoh | Patent Number: 5988797
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Recording head and recording apparatus using such recording head
Inventor: Yamanaka | Patent Number: 5988796
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Compliant ink interconnect between print cartridge and carriage
Inventor: Pawlowski, Jr., et al. | Patent Number: 5980032
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Ink jet printer and ink jet print head
Inventor: Ogasawara, et al. | Patent Number: 5975681
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Image forming apparatus and image forming method, which select the appropriate recording medium corresponding to the image to print on it
Inventor: Horikoshi | Patent Number: 5971519
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Ink jet printing device
Inventor: Mitani, et al. | Patent Number: 5966153
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Ink jet recording apparatus including a recording head with inclined ejection outlets
Inventor: Hirabayashi, et al. | Patent Number: 5956054
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Image forming apparatus with means for correcting image density non-uniformity
Inventor: Udagawa, et al. | Patent Number: 5956052
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Ink delivery system for an inkjet printhead
Inventor: Keefe, et al. | Patent Number: 5953029
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Technique for adjusting the time for driving a print head according to the characteristics of the print papers
Inventor: Lee | Patent Number: 5949446
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Ink jet head having a protective layer with a controlled argon content
Inventor: Kurihara, et al. | Patent Number: 5946013
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Ink-jet recording method
Inventor: Kubota, et al. | Patent Number: 5943080
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Printhead for thermal ink jet devices
Inventor: Burke, et al. | Patent Number: 5943076
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Liquid discharge method and liquid discharge apparatus
Inventor: Kashino, et al. | Patent Number: 5943074
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Ink jet recording apparatus and method
Inventor: Otsuka, et al. | Patent Number: 5943073
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Resistive media size sensing system
Inventor: Walker | Patent Number: 5940106
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Ink jet printhead assembly with non-emitting orifices
Inventor: Komplin, et al. | Patent Number: 5940096
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Ink-jet printhead allowing selectable droplet size
Inventor: Andrews, et al. | Patent Number: 5933166
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Ink jet recording apparatus and method using ink jet head having U-shaped wiring
Inventor: Shirato, et al. | Patent Number: 5933165
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Ink-jet recorder having a driving circuit for driving heat-generating elements
Inventor: Sato, et al. | Patent Number: 5933161
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Method and system for cleaning an ink jet printhead
Inventor: Wade | Patent Number: 5923347
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Ink tank with secure mounting arrangement
Inventor: Kimura, et al. | Patent Number: 5917524
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Process for the production of an ink jet head
Inventor: Kobayashi, et al. | Patent Number: 5916452
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Orifice plate and an ink jet recording head having the orifice plate
Inventor: Masuda | Patent Number: 5915763
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Apparatus for forming images
Inventor: Takeda | Patent Number: 5909226
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Ink jet recording apparatus and cartridge for use in the same
Inventor: Takemura, et al. | Patent Number: 5907343
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Method for ejecting ink droplets from a nozzle in a fill-before-fire mode
Inventor: Takahashi | Patent Number: 5903286
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Ink jet print head, method for manufacturing the same, and ink jet recording device
Inventor: Koizumi, et al. | Patent Number: 5900894
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Ink transfer printing apparatus with drop volume adjustment
Inventor: Lebens, et al. | Patent Number: 5896155
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Ink jet head, cartridge and ink tank therefor
Inventor: Ohashi | Patent Number: 5896152
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Ink jet recording apparatus with increased-energy pulse drive after a recording interruption
Inventor: Yamanaka | Patent Number: 5896142
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Ink jet recording apparatus using thermal energy
Inventor: Tajika, et al. | Patent Number: 5894314
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Substrate for liquid jet recording head for producing consistently shaped ink bubbles, liquid jet recording head provided with said substrate and method of recording with said recording head
Inventor: Asai | Patent Number: 5892526
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Method and apparatus for variation of ink droplet velocity and droplet mass in thermal ink-jet print heads
Inventor: Heinzl, et al. | Patent Number: 5886716
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Temperature compensation apparatus and recording head and apparatus using the same
Inventor: Ikeda, et al. | Patent Number: 5880753
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Microfluid valve for modulating fluid flow within an ink-jet printer
Inventor: Pan | Patent Number: 5872582
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Ink jet printhead with channels formed in silicon with a (110) surface orientation
Inventor: Lorenze, Jr., et al. | Patent Number: 5870123
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Ti/titanium nitride and ti/tungsten nitride thin film resistors for thermal ink jet technology
Inventor: Chan | Patent Number: 5870121
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Ink jet recording apparatus and recording head having an air chamber defining a closed space in communication with a liquid chamber
Inventor: Kaneko, et al. | Patent Number: 5867195
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Thermal ink jet printhead with pentagonal ejector channels
Inventor: Mantell, et al. | Patent Number: 5867192
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Ink jet print heads
Inventor: Whitlow, et al. | Patent Number: 5867189
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Ink jet printer
Inventor: Murayama, et al. | Patent Number: 5867188
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Recording head and recording apparatus and method of manufacturing same
Inventor: Asaba | Patent Number: 5850242
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Ink jet printhead with improved operation
Inventor: Kneezel, et al. | Patent Number: 5850234
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Filter for ink jet printhead
Inventor: Kaufman, et al. | Patent Number: 5847737
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Method for diffusing errors according to spot size in a printed liquid ink image
Inventor: Mantell | Patent Number: 5847724
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Ink issuance orifice protection in an ink jet system printer
Inventor: Aiba | Patent Number: 4231046