Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8943806 | Working gas circulation engine | Daisaku Sawada, Akira Kato | 2015-02-03 |
| 8662057 | Working gas circulation engine | Daisaku Sawada, Akira Kato | 2014-03-04 |
| 8656701 | Control device | Daisuke Akihisa, Koichi Kimura, Fumito Chiba, Yukihiro Nakasaka | 2014-02-25 |
| 8453623 | Gas circulation engine | Daisaku Sawada, Shinichi Mitani | 2013-06-04 |
| 8371277 | Control system for internal combustion engine | Nao Murase, Shogo Suda, Nobuhiko Koga, Takahiko Fujiwara | 2013-02-12 |
| 8364386 | Stop-start control apparatus and method for an internal combustion engine | Hiroki Ichinose, Takayuki Otsuka | 2013-01-29 |
| 8360035 | Internal combustion engine and method for controlling the internal combustion engine | Daisaku Sawada | 2013-01-29 |
| 8276572 | Working gas circulation engine | Daisaku Sawada, Akira Kato | 2012-10-02 |
| 8265860 | Stop-start control apparatus for internal combustion engine | Hiroki Ichinose, Takayuki Otsuka | 2012-09-11 |
| 8065991 | Working gas circulation engine | Daisaku Sawada, Akira Kato | 2011-11-29 |
| 8047165 | Medium circulating apparatus for improving startability and warm up ability | Yasushi Ito, Makoto Suzuki, Kenichi Yamada, Tomohiro Shinagawa | 2011-11-01 |
| 7789047 | Hydrogen-fueled internal combustion engine | Tomohiro Shinagawa, Yasushi Ito, Makoto Suzuki, Kenichi Yamada | 2010-09-07 |
| 7775196 | Fuel supply apparatus | Makoto Suzuki, Tomohiro Shinagawa, Yasushi Ito, Kenichi Yamada | 2010-08-17 |
| 7472016 | Start control apparatus for internal combustion engine | Masaki Takeyama, Makoto Nakamura, Minoru Kato | 2008-12-30 |
| 7107954 | Internal combustion engine having thermal storage device | Yoshio Yamashita | 2006-09-19 |
| 7031820 | Internal combustion engine controller | Koichi Ueda, Shozo Yoshida | 2006-04-18 |
| 6945036 | Exhaust emission control filter and method of controlling exhaust emission | Zenichiro Kato, Hiromichi Yanagihara, Toshihisa Sugiyama, Yoshimitsu Henda, Kazuhiko Shiratani | 2005-09-20 |
| 6829891 | Exhaust emission control device and method of controlling exhaust emission | Zenichiro Kato, Hiromichi Yanagihara, Toshihisa Sugiyama, Yoshimitsu Henda, Kazuhiko Shiratani | 2004-12-14 |