Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281709 | Piston ring and booster pump | Motoshi Harada, Kenji Nakamichi, Yuichi Kihara, Kimihiko Mitsuda, Hideaki Asai +1 more | 2025-04-22 |
| 9903474 | Seal device | Nagato Yako, Takashi SHINADA | 2018-02-27 |