Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7883273 | Cage for roller bearing | Kazuhiko Otaka, Junichi Uneya, Yukio Sato, Takashi Yamamoto, Tasuku Suzuki | 2011-02-08 |
| 7535809 | Optical recording apparatus with drawing capability of visible image on disk face | Morito Morishima, Akira Usui | 2009-05-19 |
| 6152606 | Self-aligning roller bearing | Yukio Sato | 2000-11-28 |