SS

Seiji Suga

AU Atsugi Unisia: 17 patents #3 of 117Top 3%
HI Hitachi: 14 patents #2,889 of 28,497Top 15%
AC Atsugi Motor Parts Company: 4 patents #9 of 93Top 10%
NC Nippoh Chemicals Co.: 4 patents #3 of 28Top 15%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
JA Japan Science And Technology Agency: 3 patents #235 of 2,171Top 15%
UJ Unisia Jecs: 2 patents #148 of 395Top 40%
SC Sumitomo Chemical: 2 patents #1,792 of 4,033Top 45%
KU Kyoto University: 1 patents #568 of 1,688Top 35%
Overall (All Time): #70,966 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
5178106 Valve timing control apparatus 1993-01-12
5167206 Continuously variable valve timing control system 1992-12-01
5156119 Valve timing control apparatus 1992-10-20
5150671 Intake- and/or exhaust-valve timing control system for internal combustion engines 1992-09-29
5129370 Valve timing control device for automotive internal combustion engine clutch mechanism Shoji Morita 1992-07-14
5117785 Valve timing control device for internal combustion engine Hideaki Onishi 1992-06-02
5113814 Valve timing control system for internal combustion engine with enhanced response characteristics in adjustment of valve timing Shoji Morita 1992-05-19
5088456 Valve timing control system to adjust phase relationship between maximum, intermediate, and minimum advance position 1992-02-18
5058539 Valve timing adjusting system for internal combustion engine Masaharu Saito, Seiji Tsuruta, Katsuhiko Uchida 1991-10-22
5056479 Valve timing control device for internal combustion engine 1991-10-15
5040499 Intake- and/or exhaust-valve timing control system for internal combustion engines Akio Akasaka 1991-08-20
5012773 Intake- and/or exhaust-valve timing control system for internal combustion engine Akio Akasaka, Yasuo Fukuda, Takanori Sawada 1991-05-07
4996955 Intake- and/or exhaust-valve timing control system for internal combustion engines Akio Akasaka, Kenzi Ohizumi, Akiro Kadowaki, Masayuki Washio 1991-03-05
4960084 Valve timing control system for internal combustion engine Akio Akasaka, Makoto Yasuda 1990-10-02
4936264 Intake- and/or exhaust-valve timing control system for internal combustion engines 1990-06-26
4934347 Variable compression piston arrangement for internal combustion engine Tatsuyuki Matsuya, Seinosuke Hara, Hiromichi Ofuji, Takayuki Arai, Takaharu Goto 1990-06-19
4811698 Valve timing adjusting mechanism for internal combustion engine for adjusting timing of intake valve and/or exhaust valve corresponding to engine operating conditions Akio Akasaka, Takanori Sawada 1989-03-14
4809650 Variable compression control arrangement for internal combustion engine Takayuki Arai, Hiromichi Ofuji, Takaharu Goto, Takehisa Kondo, Seinosuke Hara +2 more 1989-03-07