Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8534926 | Clutch release bearing | Akiyuki Suzuki, Takashi Sugimoto, Motoshi Kawamura, Kouhei Yamaguchi, Tetsuro Inoue | 2013-09-17 |
| 8308370 | Sealing device for bearing | Youichi Numada, Hajime Tadumi, Tsuyoshi Okumura, Kunihiro Yamaguchi, Ikuo Ito | 2012-11-13 |
| 7201685 | Pulley unit | Tadahiro Terada, Michiru Ueda, Hideki Fujiwara, Takahiro Ichihara | 2007-04-10 |
| 6966558 | Sealing device for rolling bearing | Yukitoshi Murakami | 2005-11-22 |
| 6827496 | Four-point contact ball bearing | Takashi Iwata | 2004-12-07 |
| 6726728 | Rolling bearing | Tsuyoshi Okumura, Hiroyuki Miyazaki, Hajime Tazumi | 2004-04-27 |
| 6394249 | One-way clutch | Hajime Tazumi, Junya Ooitsu, Masayuki Kitamura | 2002-05-28 |
| 6343682 | One-way clutch | Tadahiro Terada, Hajime Tazumi, Hideki Fujiwara | 2002-02-05 |
| 6311814 | One-way clutch | Hajime Tazumi, Tadahiro Terada, Hideki Fujiwara | 2001-11-06 |
| 6138804 | One-way clutch and auxiliary machine using the same | Hajime Tazumi, Junya Ooitsu | 2000-10-31 |
| 6116393 | Pulley unit | Junya Ooitsu, Yasuhito Tanaka, Hajime Tazumi | 2000-09-12 |
| 6095301 | Pulley unit | Hideki Fujiwara, Yasuhito Tanaka, Hajime Tazumi, Junya Ooitsu | 2000-08-01 |
| 5860748 | Sealing device for roller bearing | Tsuyoshi Okumura, Mitsuru Wakabayashi | 1999-01-19 |
| 4610937 | Product of and process for preparing Zn-Ni-alloy-electroplated steel sheets excellent in corrosion resistance | Takehiko Ito, Taisuke Irie, Koichi Watanabe | 1986-09-09 |
| 4581107 | Process for preparing improved Zn-Ni-alloy electroplated steel sheets | Taisuke Irie, Masayoshi Tatano, Koichi Watanabe, Eiji Watanabe | 1986-04-08 |
| 4508600 | Process for preparing Zn-Ni-alloy-electroplated steel sheets with excellent adherence of the plated layer | Taisuke Irie, Masayoshi Tatano, Koichi Watanabe, Eiji Watanabe | 1985-04-02 |