KF

Kenichi Fujiwara

NC Nippondenso Co.: 32 patents #10 of 3,479Top 1%
KT Kabushiki Kaisha Toshiba: 12 patents #2,533 of 21,451Top 15%
DE Denso: 9 patents #1,418 of 11,792Top 15%
SI Sumitomo Rubber Industries: 8 patents #269 of 1,637Top 20%
IC Idemitsu Petrochemical Co.: 7 patents #36 of 578Top 7%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TI Tokyo Electric Power Company Holdings, Incorporated: 2 patents #90 of 711Top 15%
TS Toshiba Energy Systems & Solutions: 2 patents #150 of 569Top 30%
HC Hitachi Nuclear Engineering Co.: 1 patents #3 of 32Top 10%
TC Toshiba Carrier: 1 patents #69 of 163Top 45%
IN Inax: 1 patents #78 of 242Top 35%
HI Hitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
📍 Ota, JP: #14 of 330 inventorsTop 5%
Overall (All Time): #27,481 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 51–72 of 72 patents

Patent #TitleCo-InventorsDate
5038569 Thermoelectric converter Yuichi Shirota, Kazutoshi Nishizawa, Yoshitaka Tomatsu, Hideo Ohta, Kenji Yamada 1991-08-13
5036680 Refrigeration separator with means to meter quality of refrigerant to the evaporator Kazutoshi Nishizawa, Akira Iwashita 1991-08-06
5036697 Apparatus for detecting gas-liquid ratio of a fluid Kazutoshi Nishizawa, Kenji Yamada 1991-08-06
5037940 Wholly aromatic copolyester Hideo Hayashi 1991-08-06
5003030 Thermoplastic wholly aromatic copolyimide ester and process for producing the same Hideo Hayashi, Makoto Wakabayashi 1991-03-26
4998413 Refrigerant recovery system Hideaki Sato, Hisao Nagashima, Keiichi Kitamura 1991-03-12
4945963 Radial tire tread pattern having shoulder blocks 1990-08-07
4874836 Thermoplastic wholly aromatic polyimide esters and process for producing the same Makoto Wakabayashi, Hideo Hayashi 1989-10-17
4798236 High performance tire tread 1989-01-17
4785861 High performance tire 1988-11-22
4784200 High performance tire tread 1988-11-15
4748823 Automotive refrigerator Hideo Asano, Kazuhisa Makida, Katsumi Hatanaka 1988-06-07
D294813 Automobile tire 1988-03-22
4712331 Door 1987-12-15
4696627 Scroll compressor Hideo Asano, Kazuhisa Makida 1987-09-29
4637222 Refrigerator for vehicle Hideo Asano, Eiichi Hasada, Kazuhisa Makida, Akinori Iida 1987-01-20
4632305 Expansion valve 1986-12-30
4622828 Air-conditioning and refrigerating system Eiichi Hasada, Hikaru Sugi 1986-11-18
4565072 Air-conditioning and refrigerating system Eiichi Hasada, Hikaru Sugi 1986-01-21
4545213 Refrigerator for vehicle Hikaru Sugi, Eiichi Hasada 1985-10-08
4483151 Car air conditioner with a freezer/refrigerator Kenji Fujioka, Takayuki Morita, Kouji Ito 1984-11-20
4324112 Refrigeration system Hikaru Sugi, Mineo Nishikawa 1982-04-13