Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997241 | Spark ignition type internal combustion engine | Eiichi Kamiyama, Yukihiro Nakasaka | 2011-08-16 |
| 7917279 | Method of controlling a mechanical compression ratio, a closing timing of an intake valve and air stream | Eiichi Kamiyama | 2011-03-29 |
| 7882821 | Spark ignition type internal combustion engine | Daisaku Sawada, Eiichi Kamiyama, Yukihiro Nakasaka | 2011-02-08 |
| 7840335 | Internal combustion engine with variable compression ratio | Eiichi Kamiyama, Shigeo Kikori | 2010-11-23 |
| 7802543 | Spark ignition type internal combustion engine | Daisaku Sawada, Eiichi Kamiyama | 2010-09-28 |
| 7627417 | Variable compression ratio internal combustion engine | Eiichi Kamiyama | 2009-12-01 |
| 7487747 | Mount apparatus for variable compression ratio internal combustion engine | Eiichi Kamiyama, Masaaki Kashiwa | 2009-02-10 |
| 7422004 | Internal combustion engine with variable compression ratio | Eiichi Kamiyama, Shigeo Kikori | 2008-09-09 |
| 7278383 | Internal combustion engine with variable compression ratio and valve characteristics | Eiichi Kamiyama | 2007-10-09 |
| 7047917 | Variable compression ratio mechanism | Eiichi Kamiyama | 2006-05-23 |