Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6808310 | Rolling bearing | Hiroshi Toyota | 2004-10-26 |
| 6682224 | Bearing cage and rolling bearing having the same | Hiroshi Toyota | 2004-01-27 |
| 6527642 | Power transmission coupling and power transmission apparatus | Hirokazu Arai, Takeshi Tsuda | 2003-03-04 |
| 6513981 | Retainer for rolling bearing and manufacturing method therefor | — | 2003-02-04 |
| 6394249 | One-way clutch | Hajime Tazumi, Yoshitaka Nakagawa, Masayuki Kitamura | 2002-05-28 |
| 6138804 | One-way clutch and auxiliary machine using the same | Hajime Tazumi, Yoshitaka Nakagawa | 2000-10-31 |
| 6116393 | Pulley unit | Yasuhito Tanaka, Hajime Tazumi, Yoshitaka Nakagawa | 2000-09-12 |
| 6095301 | Pulley unit | Hideki Fujiwara, Yasuhito Tanaka, Yoshitaka Nakagawa, Hajime Tazumi | 2000-08-01 |