DS

Daisaku Sawada

TO Toyota: 82 patents #52 of 26,838Top 1%
NS Nippon Soken: 15 patents #74 of 1,540Top 5%
NC Nippondenso Co.: 3 patents #799 of 3,479Top 25%
Aisin Seiki Kabushiki Kaisha: 2 patents #1,427 of 3,782Top 40%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #21,228 of 4,157,543Top 1%
83
Patents All Time

Issued Patents All Time

Showing 26–50 of 83 patents

Patent #TitleCo-InventorsDate
8065991 Working gas circulation engine Rentaro Kuroki, Akira Kato 2011-11-29
8011332 Spark ignition type internal combustion engine Yukihiro Nakasaka, Daisuke Akihisa, Eiichi Kamiyama 2011-09-06
7895835 Exhaust heat recovery apparatus Hiroshi Yaguchi, Shinichi Mitani 2011-03-01
7882821 Spark ignition type internal combustion engine Daisuke Akihisa, Eiichi Kamiyama, Yukihiro Nakasaka 2011-02-08
7805935 Stirling engine and control method therefor Hiroshi Yaguchi 2010-10-05
7802543 Spark ignition type internal combustion engine Daisuke Akihisa, Eiichi Kamiyama 2010-09-28
7730723 Exhaust heat recovery apparatus Hiroshi Yaguchi, Shinichi Mitani 2010-06-08
7661416 Working-gas-circulation-type engine Takashi Sasajima 2010-02-16
7644581 Stirling engine Hiroshi Yaguchi 2010-01-12
7624672 Piston apparatus Shinichi Mitani, Hiroshi Yaguchi 2009-12-01
7624574 Piston apparatus, stirling engine, external combustion engine, and fluid device Hiroshi Yaguchi, Shinichi Mitani 2009-12-01
7621260 Internal combustion engine and control method thereof Shinichi Mitani 2009-11-24
7603857 Exhaust heat recovery apparatus Hiroshi Yaguchi 2009-10-20
7581393 Stirling engine Hiroshi Yaguchi 2009-09-01
7458215 Stirling engine and hybrid system with the same Hiroshi Yaguchi 2008-12-02
7458216 Exhaust heat recovery apparatus Hiroshi Yaguchi 2008-12-02
7213563 Piston engine having approximate straight-line mechanism Hiroshi Yaguchi 2007-05-08
7191596 Stirling engine and hybrid system that uses the Stirling engine Hiroshi Yaguchi 2007-03-20
5477831 Fuel injection control device for internal combustion engine Motonobu Akaki, Yasutoshi Yamada, Nobuyuki Oota, Masaki Mitsuyasu 1995-12-26
5425343 Fuel injection control device for internal combustion engine Motonobu Akaki, Yasutoshi Yamada, Nobuyuki Oota, Masaki Mitsuyasu 1995-06-20
5058549 Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine Eiji Hashimoto, Shizuo Sasaki, Yoshiyuki Tamaki, Masaki Mitsuyasu 1991-10-22
4974565 Fuel swirl generation type fuel injection valve and direct fuel injection type spark ignition internal combustion engine mounted with the fuel injection valve Eiji Hashimoto, Shizuo Sasaki, Yoshiyuki Tamaki, Masaki Mitsuyasu 1990-12-04
4917068 Unit injector for an engine Takeshi Takahashi, Shinya Hirota, Takashi Yamamoto, Satoshi Watanabe 1990-04-17
4858439 Device for varying a stroke Takeshi Takahashi 1989-08-22
4817469 Automatic transmission for automobile and method of controlling same Takashi Shigematsu, Tomoyuki Watanabe, Setsuo Tokoro 1989-04-04