Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672014 | Rolling bearings | Shigeru Okita, Nobuaki Mitamura, Susumu Tanaka, Manabu Ohori | 1997-09-30 |
| 5660647 | Rolling bearing with improved wear resistance | Nobuaki Mitamura | 1997-08-26 |
| 5657918 | Electric stapler | Shigehiko Shimomura, Shigehiko Fujita, Yuji Wada | 1997-08-19 |