Issued Patents All Time
Showing 1–25 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447752 | Detection method of airtight failure in working-gas circulating type gas engine, and working-gas circulating type gas engine using the method | Rentaro Kuroki, Akira Kato | 2016-09-20 |
| 8989990 | Working gas circulation type engine | Rentaro Kuroki, Akira Kato | 2015-03-24 |
| 8984877 | Heat exchanger for stirling engine | Hiroshi Yaguchi, Masaaki Katayama | 2015-03-24 |
| 8978597 | Cooling system | Masaaki Katayama, Satoshi Komori | 2015-03-17 |
| 8943806 | Working gas circulation engine | Rentaro Kuroki, Akira Kato | 2015-02-03 |
| 8904779 | Stirling engine gas lubrication structure | Masaaki Katayama, Hiroshi Yaguchi, Manabu Tateno | 2014-12-09 |
| 8776516 | Exhaust heat recovery system | Masaaki Katayama, Hiroshi Yaguchi | 2014-07-15 |
| 8763514 | Gas lubrication structure for piston, and stirling engine | Hiroshi Yaguchi, Masaaki Katayama | 2014-07-01 |
| 8756925 | Exhaust pipe | Takashi Sasajima, Hideo Yamashita | 2014-06-24 |
| 8695544 | High expansion ratio internal combustion engine | Eiichi Kamiyama, Takashi Kawasaki, Yukihiro Nakasaka, Daisuke Akihisa, Naoto Hisaminato | 2014-04-15 |
| 8662057 | Working gas circulation engine | Rentaro Kuroki, Akira Kato | 2014-03-04 |
| 8496871 | Silica structure and method of producing the same, and heat insulating material | Narihito Tatsuda, Kazuhisa Yano, Takashi Sasajima, Eiichi Kamiyama | 2013-07-30 |
| 8479507 | Piston engine | Masaaki Katayama, Hiroshi Yaguchi | 2013-07-09 |
| 8479506 | Piston engine | Hiroshi Yaguchi, Masaaki Katayama | 2013-07-09 |
| 8453623 | Gas circulation engine | Rentaro Kuroki, Shinichi Mitani | 2013-06-04 |
| 8413618 | Spark ignition type internal combustion engine | Eiichi Kamiyama, Daisuke Akihisa | 2013-04-09 |
| 8360035 | Internal combustion engine and method for controlling the internal combustion engine | Rentaro Kuroki | 2013-01-29 |
| 8356582 | Spark ignition type internal combustion engine | Daisuke Akihisa, Eiichi Kamiyama | 2013-01-22 |
| 8352157 | Spark ignition type internal combustion engine | Daisuke Akihisa, Yukihiro Nakasaka, Eiichi Kamiyama | 2013-01-08 |
| 8322315 | Spark ignition type internal combustion engine | Daisuke Akihisa, Yukihiro Nakasaka, Eiichi Kamiyama | 2012-12-04 |
| 8276572 | Working gas circulation engine | Rentaro Kuroki, Akira Kato | 2012-10-02 |
| 8276554 | Spark ignition type internal combustion engine | Daisuke Akihisa | 2012-10-02 |
| 8250869 | Exhaust heat recovery apparatus | Shinichi Mitani, Hiroshi Yaguchi | 2012-08-28 |
| 8234054 | Method of operating a spark ignition type internal combustion engine | Yukihiro Nakasaka, Daisuke Akihisa, Eiichi Kamiyama | 2012-07-31 |
| 8166759 | Exhaust heat recovery apparatus | Hiroshi Yaguchi, Shinichi Mitani | 2012-05-01 |