Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725820 | Valve-operating mechanism in engine | Keita Ito, Tetsuya Arai | 2004-04-27 |
| 6705263 | Handheld type four-cycle engine | Keita Ito, Koji Kasai, Takao Nishida, Yasuhiro Shimizu, Takeshi Maeda | 2004-03-16 |
| 6672273 | Handheld type four-cycle engine | Keita Ito, Koji Kasai, Takao Nishida, Yasuhiro Shimizu, Takeshi Maeda | 2004-01-06 |
| 6561154 | Engine head cover structure | Keita Ito, Takeshi Maeda, Takao Nishida | 2003-05-13 |
| 6508224 | Handheld type four-cycle engine | Keita Ito, Koji Kasai, Takao Nishida, Yasuhiro Shimizu, Takeshi Maeda | 2003-01-21 |
| 6394061 | Lubricating system in a 4-cycle engine | Souhei Honda, Takao Nishida, Takanori Tsugekawa | 2002-05-28 |
| 6250273 | 4-cycle engine | Takao Nishida, Keita Ito | 2001-06-26 |
| 6216660 | Lubricating system in a 4-cycle engine | Souhei Honda, Takao Nishida, Takanori Tsugekawa | 2001-04-17 |
| 6213081 | Lubricating system in a 4-cycle engine | Souhei Honda, Takao Nishida, Takanori Tsugekawa | 2001-04-10 |
| 6213078 | Lubricating system in a 4-cycle engine | Souhei Honda, Takao Nishida, Takanori Tsugekawa | 2001-04-10 |
| 5947075 | Lubricating system in a 4-cycle engine | Souhei Honda, Takao Nishida, Takanori Tsugekawa | 1999-09-07 |
| 5937836 | Lubricating and breather system in engine | Makoto Yonezawa, Hiroaki Kojima, Toru Taniguchi | 1999-08-17 |
| 5860403 | System for producing lubricating oil mist in engine | Tomohiro Hirano, Shinji Katayama, Mitsuo Shiga | 1999-01-19 |
| 5857441 | Valve mechanism lubricator of engine | Makoto Yonezawa, Hiroaki Kojima, Takashi Suzuki | 1999-01-12 |