Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8510933 | Method of manufacturing a field pole magnet | Ryou Murakami, Hideki Nishimura, Tomihito Hashimoto | 2013-08-20 |
| 8263289 | Fuel cell stack and method of producing its separator plates | Atsushi Miyazawa, Motoki Yaginuma, Motoharu Obika, Koshi Takata, Yosuke Fukuyama | 2012-09-11 |
| 8092951 | Fuel cell, fuel cell stack and method of manufacturing the same | Motoharu Obika, Atsushi Miyazawa | 2012-01-10 |
| 7806793 | Continuously variable belt drive transmission | Makoto Yoshida, Yoshiaki Katou, Yasuo Ito | 2010-10-05 |
| 7070335 | Rolling bearing | Eiji Hirai, Mitsuhiro Okuhata, Keizo Otani, Tomofumi Furukawa | 2006-07-04 |
| 6962441 | Rotary member and production process | Eiji Hirai, Mitsuhiro Okuhata, Keizo Otani | 2005-11-08 |
| 6858096 | Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a method for producing the rolling element | Noriko Uchiyama, Takuro Yamaguchi, Keizo Otani | 2005-02-22 |
| 6814685 | Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a process for producing the rolling element | Eiji Hirai, Mitsuhiro Okuhata, Keizo Otani | 2004-11-09 |
| 6569267 | High bearing pressure-resistant member | Tsuyoshi Nakamura, Sadayuki Nakamura, Toshimitsu Kimura, Takurou Yamaguchi, Keizo Otani +2 more | 2003-05-27 |
| 6565477 | Power roller assembly for a toroidal-type continuously variable transmission | Masayuki Yoshida, Masaaki Fujii, Keizo Otani | 2003-05-20 |
| 6282789 | Method of manufacturing traction rollers for continuously variable transmissions and traction rollers resulting therefrom | Shinji Fushimi, Toshifumi Hibi | 2001-09-04 |
| 6051080 | Rolling element used for toroidal-type continuously variable transmission and method for producing same | Toshifumi Hibi | 2000-04-18 |
| 5976053 | Method of manufacturing traction rollers for continuously variable transmissions and traction rollers resulting therefrom | Shinji Fushimi, Toshifumi Hibi | 1999-11-02 |