Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11536167 | Method for manufacturing engine poppet valve | Koji Kunitake, Daiki Sato | 2022-12-27 |
| 11300018 | Hollow exhaust poppet valve | Koji Kunitake, Jin Hasegawa | 2022-04-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11536167 | Method for manufacturing engine poppet valve | Koji Kunitake, Daiki Sato | 2022-12-27 |
| 11300018 | Hollow exhaust poppet valve | Koji Kunitake, Jin Hasegawa | 2022-04-12 |