Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276005 | Steel shaft component | Kison NISHIHARA, Hiroaki Tahira | 2025-04-15 |
| 12180995 | Crankshaft and method of manufacturing the same | Tatsuhiko Abe | 2024-12-31 |
| 11261511 | Hot forged steel material | Hiroaki Tahira, Ken-ichiro Yoshino, Kison NISHIHARA | 2022-03-01 |