Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7135441 | Lubricating grease composition and rolling apparatus | Youichiro Sugimori, Atsushi Yokouchi, Michiharu Naka | 2006-11-14 |
| 6568856 | Rolling bearing | Youichiro Sugimori, Michiharu Naka, Takashi Ogawa, Yasuhisa Terada | 2003-05-27 |