Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10596624 | Cast-iron cylindrical member and composite structure | Koichi Hatakeyama, Akira Sato, Kazuki Seino, Katsuya OKUDA, Tomoki Takiguchi | 2020-03-24 |
| 10428407 | Cylindrical member made of flake graphite cast iron | Koichi Hatakeyama, Akira Sato | 2019-10-01 |