YH

Yoshihisa Hara

Honda Motor Co.: 13 patents #1,372 of 21,052Top 7%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
HK Honda Giken Kogyo K.K.: 1 patents #97 of 311Top 35%
Overall (All Time): #277,165 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10488774 Image forming apparatus and image forming method Daisuke Inoue, Takahiro Honda, Masami Okamoto, Kenta Kashiwagi, Kaori Hemmi 2019-11-26
9213274 Grinding roller, fixing device, and image forming apparatus Kazuhiro Kotaka, Eiri Sagae, Satoshi Kai, Yuusuke Arai 2015-12-15
5881552 Control system for internal combustion engines and control system for vehicles Yoichi Iwata, Akira Katoh, Toshikazu Oketani, Tetsu Teshirogi, Kentaro Yokoo +1 more 1999-03-16
5845620 Ignition timing control system for internal combustion engine Kotaro Miyashita, Shuichi Takagi, Yoshio Yamamoto, Hiroshi Ikeba 1998-12-08
5823167 Control system for internal combustion engines Hironao Fukuchi, Takanori Shiina, Kenji Nakano, Katsuhiro Kumagai 1998-10-20
5724808 Air-fuel ratio control system for internal combustion engines Hiroshi Ito, Yoshiharu Abe, Tsuyoshi Takizawa 1998-03-10
5657627 Air-fuel ratio control system for internal combustion engines Shusuke Akazaki, Kotaro Miyashita, Ken Ogawa 1997-08-19
5638795 Control system for internal combustion engines Fumio Hara, Akira Fujimura, Masahiro Sakanushi 1997-06-17
5634452 Control system for internal combustion engines Fumio Hara, Akira Fujimura, Masahiro Sakanushi 1997-06-03
5619973 Control system for internal combustion engines Fumio Hara, Akira Fujimura, Masahiro Sakanushi 1997-04-15
5611320 Control system for internal combustion engines Fumio Hara, Akira Fujimura, Masahiro Sakanushi 1997-03-18
5551408 Exhaust gas recirculation control system for internal combustion engines Daisuke Shimizu, Kotaro Miyashita, Hiroshi Ikeba 1996-09-03
5546922 Control system for internal combustion engines Fumio Hara, Akira Fujimura, Masahiro Sakanushi 1996-08-20
5482020 Control system for internal combustion engines Daisuke Shimizu, Kotaro Miyashita, Yamamoto Yoshio 1996-01-09
5469833 Control system for internal combustion engines Fumio Hara, Akira Fujimura, Masahiro Sakanushi 1995-11-28
5383126 Control system for internal combustion engines with exhaust gas recirculation systems Ken Ogawa, Kotaro Miyashita, Kei Machida 1995-01-17
5215061 Control system for internal combustion engines Ken Ogawa, Kotaro Miyashita 1993-06-01