Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9346463 | Mode switching control device for a hybrid vehicle | Tomoyuki Koike, Yoshiaki Kato | 2016-05-24 |
| 8341937 | Diagnostic apparatus for an exhaust gas purification system of an internal combustion engine, an exhaust gas purification system and a diagnostic method thereof | Sunki I, Kenichi Sato, Motoharu Akaba, Kimiyoshi Nishizawa | 2013-01-01 |
| 7441520 | Valve-timing control apparatus of internal combustion engine | Tsuyoshi Ishikawa | 2008-10-28 |
| 6845749 | Start-up control device for engine | — | 2005-01-25 |
| 6691508 | Air-fuel ratio control system for internal combustion engine | Kenichi Sato, Kimiyoshi Nishizawa | 2004-02-17 |
| 6539709 | Exhaust gas purifying system of internal combustion engine | Kimiyoshi Nishizawa | 2003-04-01 |
| 6263666 | Exhaust emission control device for internal combustion engine | Yasuji Ishizuka, Kimiyoshi Nishizawa | 2001-07-24 |
| 5975862 | Portable power tool with vibration-proof member | Kouji Arahata, Larry N. Will | 1999-11-02 |
| 5902971 | Muffler for internal combustion engine | Yasuharu Sato, Yukio Sakaguchi | 1999-05-11 |
| 5857327 | Muffler for an internal combustion engine | Shigeru Sato, Yukio Sakaguchi | 1999-01-12 |
| 5738184 | Muffler for a two-stroke engine | Isao Masuda, Shigeru Sato, Yasuharu Sato | 1998-04-14 |
| 5722237 | Muffler structure for internal combustion engine | Giichi Iida, Yasuharu Sato | 1998-03-03 |