Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926817 | Combustion chamber of subchamber type internal combustion engine | Koji Imoto, Tadao Omura, Yoichi Kataoka, Kunihiko Nakajima, Hiroki Tamura +1 more | 1990-05-22 |
| 4875445 | Combustion chamber of a sub-chamber type internal combustion engine | Koji Imoto, Mataji Tateishi, Tadao Omura, Kunihiko Nakajima, Moritake Matusyama +1 more | 1989-10-24 |