Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924822 | Gas feed system for a gas-fired diesel engine | Koetsu Asai, Hiroshi Nakagawa | 1990-05-15 |
| 4875445 | Combustion chamber of a sub-chamber type internal combustion engine | Koji Imoto, Tadao Omura, Kunihiko Nakajima, Motoyuki Maekawa, Moritake Matusyama +1 more | 1989-10-24 |
| 4864990 | Injection system for a dual-fuel engine | Etsuo Kunimoto, Hiroshi Nakagawa, Tatsuo Takaishi | 1989-09-12 |
| 4619229 | Structure for combustion chamber of auxiliary chamber type internal combustion engine | Koji Imoto, Noriyasu Inenaga, Tadao Omura, Hideyuki Ishikawa, Sumio Harada +4 more | 1986-10-28 |
| 4526151 | Fuel injection device | Etsuo Kunimoto, Tatsuo Takaishi | 1985-07-02 |