Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962458 | Coupling device for equipment implement | Tetsuo Ohnishi | 2005-11-08 |
| 6899774 | High-toughness wear-resistant steel | Chikara Nakao | 2005-05-31 |
| 6844085 | Copper based sintered contact material and double-layered sintered contact member | Tetsuo Ohnishi, Yoshikiyo Tanaka, Keiichi Maeda, Kan'ichi Sato | 2005-01-18 |