Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7357105 | Hydraulic valve driving device and engine including the same and vehicle | Yuji Moriwaki | 2008-04-15 |
| 6834629 | Three dimensional cam, grinding method and grinding apparatus | Yuji Saiki, Mitsuo Tsuchiya | 2004-12-28 |
| 6467166 | Method of forming a camshaft for an engine | Yuji Saiki, Mitsuo Tsuchiya | 2002-10-22 |
| 6170449 | Valve operating system for engine | Yuji Saiki, Mitsuo Tsuchiya | 2001-01-09 |
| 6148794 | Induction control system for multi-valve engine | Hiroyuki Tsuzuku, Takeshi Ito | 2000-11-21 |
| 5852994 | Induction control system for multi-valve engine | Hiroyuki Tsuzuku, Takeshi Ito | 1998-12-29 |
| 5836274 | Multi valve engine with variable valve operation | Tetsushi Saito, Hiroyuki Tsuzuku | 1998-11-17 |
| 5819706 | Air-assisted injection system for multi-valve engine | Hiroyuki Tsuzuku, Takeshi Ito | 1998-10-13 |
| 5809968 | Cylinder head and flow passage therefor | — | 1998-09-22 |
| 5809953 | Variable valve timing mechanism | Tetsushi Saito, Hiroyuki Tsuzuku | 1998-09-22 |
| 5799638 | Direction injection system for multi-valve engine | Hiroyuki Tsuzuku, Masahisa Kuranishi, Takeshi Ito | 1998-09-01 |
| 5785017 | Variable valve timing mechanism | Tetsushi Saito, Hiroyuki Tsuzuku | 1998-07-28 |
| 5758612 | Valve actuating structure for multi-valve engine | Hiroyuki Tsuzuku, Tetsushi Saito | 1998-06-02 |
| 5752479 | Valve operating mechanism for 4-cycle engine | Hisatoshi Kinoshita | 1998-05-19 |
| 5735240 | Direct injected engine | Takeshi Ito, Masahisa Kuranishi | 1998-04-07 |
| 5704330 | Cylinder head arrangement for internal combustion engine | — | 1998-01-06 |
| 5686490 | Method for breeding infant livestock and feed composition | Akio Okazaki, Ikuo Bethunou, Masaharu Hayashi | 1997-11-11 |
| 5606942 | Valve operating system for multi-valve engine | Hiroyuki Tsuzuku, Tetsushi Saito | 1997-03-04 |
| 5575254 | Induction system for engine | Hiroyuki Tsuzuku | 1996-11-19 |
| 5529038 | Direct injected engine | — | 1996-06-25 |
| 5427065 | Valve operating mechanism for 4-cycle engine | Hisatoshi Kinoshita | 1995-06-27 |
| 5018497 | Multiple valve internal combustion engine | — | 1991-05-28 |
| 4679532 | Valve arrangement for internal combustion engine | Kazuo Aoi | 1987-07-14 |
| 4617881 | Actuating mechanism for multiple valve internal combustion engine | Kazuo Aoi | 1986-10-21 |
| 4592314 | Valve actuating mechanism for internal combustion engine | — | 1986-06-03 |