Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |