Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6048414 | Rolling bearings and methods of producing the same | Yasuhiro Yamamoto | 2000-04-11 |
| 5954894 | Bearing steel part for rolling bearing | — | 1999-09-21 |
| 5658082 | Rolling contact bearing and a method of producing thereof | Katsunori Itoh | 1997-08-19 |
| 4992111 | Bearing race member and method of fabrication | Hiroshi Yamada, Hirokazu Nakajima, Hirotsugu Hamaoka | 1991-02-12 |
| 4696581 | Rolling bearing | Hirokazu Nakajima | 1987-09-29 |
| 4541157 | Method of producing split bearing rings | Toshiharu Hirose | 1985-09-17 |