Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7462128 | Rolling element and a process for producing the rolling element | Noriko Uchiyama, Keizo Otani | 2008-12-09 |
| 7070335 | Rolling bearing | Eiji Hirai, Nobuo Kino, Keizo Otani, Tomofumi Furukawa | 2006-07-04 |
| 6962441 | Rotary member and production process | Eiji Hirai, Nobuo Kino, Keizo Otani | 2005-11-08 |
| 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, Nobuo Kino, Keizo Otani | 2004-11-09 |