Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12116951 | Cylinder liner and cylinder bore | Seiji Tamaki | 2024-10-15 |
| 11680537 | Cylinder liner and cylinder bore | Masayuki Ohira, Naoki Umeda, Seiji Tamaki, Takashi Sato | 2023-06-20 |
| 10837399 | Method of manufacturing internal combustion engine, internal combustion engine, and connected cylinder | Masami Horigome, Akira Sato, Takashi Inoue, Akira Hikone | 2020-11-17 |