Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11850690 | Method for manufacturing engine poppet valve | Daiki Sato, Yuki Sasagawa | 2023-12-26 |
| 5942147 | Submerged nozzle replacing device | Kenji Yamamoto, Tadao Taniguchi | 1999-08-24 |
| 5879579 | Submerged nozzle change device | Kenji Yamamoto, Tadao Taniguchi, Noritaka Hashimoto | 1999-03-09 |
| 5868954 | Method for joining immersion nozzle | Kenji Yamamoto, Tadao Taniguchi | 1999-02-09 |