Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357923 | Rolling bearing and bearing device | Chuichi Sato, Shoji Horike, Tsuyoshi Saito, Dai Kinno | 2002-03-19 |
| 6223635 | Method of forming annular grooves in a ball polishing apparatus | Katsuhisa Tonooka, Chuichi Sato, Hiroyuki Nojima, Shoji Jibu | 2001-05-01 |
| 5906535 | Ball polishing method and apparatus, and annular groove forming method | Katsuhisa Tonooka, Chuichi Sato, Hiroyuki Nojima, Shoji Jibu | 1999-05-25 |
| 5520573 | Spherical member polishing apparatus | Gentei Inoue | 1996-05-28 |
| 4916751 | Rolling bearing | Yukio Ohura, Katsuya Toma | 1990-04-10 |