Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6328474 | Linear guide device | Arihiro Fujiwara | 2001-12-11 |
| 6203201 | Linear bearing | Tsugio Matsushita, Hiroshi Ono, Kazuyoshi Yamakawa | 2001-03-20 |
| 5904426 | Non-retainer type rolling bearing | Tsugio Matsushita, Hiroshi Ono, Nobuhito Sakai | 1999-05-18 |
| 5031021 | Semiconductor device with a high breakdown voltage | Yoshiro Baba, Tatsuo Akiyama, Yutaka Koshino | 1991-07-09 |
| 4585489 | Method of controlling lifetime of minority carriers by electron beam irradiation through semi-insulating layer | Shun-ichi Hiraki, Yoshikazu Usuki, Yutaka Koshino | 1986-04-29 |