Patent Inventor: Yoshitaka Nishiyama

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Austenitic stainless steel
Inventor: Osuki, et al. | Patent Number: 8133431

Fuel consumption evaluation system
Inventor: Nishiyama, et al. | Patent Number: 7454962

Ni-Cr-Fe alloy and Ni-Cr-Fe alloy pipe having resistance to carburization and coking
Inventor: Nishiyama, et al. | Patent Number: 7396597

Ni-base heat resistant alloy and welded joint thereof
Inventor: Ogawa, et al. | Patent Number: 6702906

Metal material having good resistance to metal dusting
Inventor: Nishiyama, et al. | Patent Number: 6623869

Heat resistant nickel base alloy
Inventor: Nishiyama, et al. | Patent Number: 6458318

Stainless steel for ozone added water and manufacturing method thereof
Inventor: Takeda, et al. | Patent Number: 5944917

High-temperature stainless steel and method for its production
Inventor: Uno, et al. | Patent Number: 5824264

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