YH

Youichi Hasegawa

DE Denso: 33 patents #137 of 11,792Top 2%
SC Sawafuji Electric Co.: 8 patents #3 of 108Top 3%
JC Japan Hydrazine Co.: 3 patents #7 of 35Top 20%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
SO Sony: 2 patents #12,963 of 25,231Top 55%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
Overall (All Time): #76,076 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
7040184 Starter Sadayoshi Kajino, Syuichi Aoki 2006-05-09
7018314 Engine starter with impact absorber Sadayoshi Kajino 2006-03-28
6965172 Starter for cranking internal combustion engine Takeshi Shimoyama, Sadayoshi Kajino 2005-11-15
6937123 Electromagnetic switch of engine starter Tomoya Imanishi, Sadayoshi Kajino, Shuichi Aoki 2005-08-30
6914504 Electromagnetic switch for a starter Sadayoshi Kajino, Syuichi Aoki, Hiroyasu Omiyama 2005-07-05
6851405 Motor-driven starter having pinion to engage ring gear of internal combustion engine Sadayoshi Kajino, Kazuaki Murase 2005-02-08
6828707 Starter having a seal member near bearing for holding output shaft Sadayoshi Kajino, Yasuo Osawa 2004-12-07
6817258 Starter for internal combustion engine Sadayoshi Kajino, Yasuo Osawa 2004-11-16
6776273 Starter having braking member for one-way clutch Sadayoshi Kajino, Hiroyasu Omiyama, Syuichi Aoki 2004-08-17
6753621 Starter for internal combustion engine Yasuo Osawa 2004-06-22
6737950 Winding structure of starter Kazunari Onaya, Syuuji Miyazawa, Syuichi Aoki, Yasuo Osawa 2004-05-18
6194577 Process for producing alicyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine Shunji Hyoda, Hiroyuki Fujita, Hirotoshi Sawada, Yasuo Oki 2001-02-27
5977360 Process for producing cyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine Shunji Hyoda, Hiroyuki Fujita, Hirotoshi Sawada, Yasuo Oki 1999-11-02
5618978 Method of producing choline of a high purity Shunji Hyoda, Fumio Toda 1997-04-08
5323663 Starter Takahiro Ohgi, Yasuhiro Nagao, Kazuo Hirama 1994-06-28
4720639 Switch device for starter of internal combustion engine Morikazu Sakayanagi, Kazuhiro Ando 1988-01-19