Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394061 | Lubricating system in a 4-cycle engine | Yasutake Ryu, Souhei Honda, Takao Nishida | 2002-05-28 |
| 6216660 | Lubricating system in a 4-cycle engine | Yasutake Ryu, Souhei Honda, Takao Nishida | 2001-04-17 |
| 6213081 | Lubricating system in a 4-cycle engine | Yasutake Ryu, Souhei Honda, Takao Nishida | 2001-04-10 |
| 6213078 | Lubricating system in a 4-cycle engine | Yasutake Ryu, Souhei Honda, Takao Nishida | 2001-04-10 |
| 5947075 | Lubricating system in a 4-cycle engine | Yasutake Ryu, Souhei Honda, Takao Nishida | 1999-09-07 |
| 4422426 | Antechamber system diesel engine | Tosio Banba, Masakuni Matsui | 1983-12-27 |
| 4323039 | Antechamber system diesel engine | Tosio Banba, Masakuni Matsui | 1982-04-06 |