Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12115593 | Method for manufacturing shaft | Hiroyuki Kariya, Takahiro Sekine, Kazushi Goi, Ryo Kurosawa | 2024-10-15 |
| 12103100 | Method for manufacturing shaft | Hiroyuki Kariya, Takahiro Sekine, Kazushi Goi, Ryo Kurosawa | 2024-10-01 |
| 4627814 | Continuous type atmosphere heat treating furnace | Yoshikazu Shimosato | 1986-12-09 |