Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276005 | Steel shaft component | Hiroaki Tahira, Yoko Sueyasu | 2025-04-15 |
| 11827963 | Roughly-shaped steel material for nitrided part, and nitrided part | Masato YUYA, Hiroaki Tahira, Satoru Okawa | 2023-11-28 |
| 11261511 | Hot forged steel material | Yoko Sueyasu, Hiroaki Tahira, Ken-ichiro Yoshino | 2022-03-01 |
| 10975452 | Hot forged product | Yoshiyuki KASHIWARA, Hiroaki Tahira | 2021-04-13 |