Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4323404 | Method for providing single piece with plural different mechanical characteristics | Susumu Sawada, Katsuhiro Tsuchiya, Kazuo Ito | 1982-04-06 |
| 4309064 | Bearing of an internal combustion engine and process for producing the same | Tatsuhiko Fukuoka, Shinichi Okamoto | 1982-01-05 |