Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38936 | Antifriction bearing and alternator incorporating same for use in vehicles | Sigenobu Nakamura, Tutomu Siga, Kenzo Mitani, Yoshiki Fujita, Hiroyuki Miyazaki +1 more | 2006-01-17 |
| RE37967 | Antifriction bearing and alternator incorporating same for use in vehicles | Sigenobu Nakamura, Tutomu Siga, Kenzo Mitani, Yoshiki Fujita, Hiroyuki Miyazaki +1 more | 2003-01-21 |
| 6432888 | Grease for rolling bearing and grease-sealed rolling bearing | Hiroshi Komiya, Toshikazu Kouno, Toshihiro Kawaguchi, Seiji Okamura, Hiroki Iwamatsu | 2002-08-13 |
| 6394249 | One-way clutch | Hajime Tazumi, Yoshitaka Nakagawa, Junya Ooitsu | 2002-05-28 |
| 5539844 | Ball bearing cages and ball bearings | Hajime Tazumi, Hiroshi Ueno, Tsuyoshi Okumura, Shigetaka Ashida | 1996-07-23 |
| 5422524 | Antifriction bearing and alternator incorporating same for use in vehicles | Sigenobu Nakamura, Tutomu Siga, Kenzo Mitani, Yoshiki Fujita, Hiroyuki Miyazaki +1 more | 1995-06-06 |
| 5403545 | Bearing steel | Yatsuka Takata, Akira Muroga, Yoshihiro Wakikado, Takao Ooki, Masao Goto +5 more | 1995-04-04 |