Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8132965 | Hydrodynamic type oil-impregnated sintered bearing | Natsuhiko Mori, Katsumi Nagano | 2012-03-13 |
| 7988361 | Hydrodynamic type oil-impregnated sintered bearing | Natsuhiko Mori, Katsumi Nagano | 2011-08-02 |
| 6903056 | Fluid bearing unit and lubricating oil composition for bearing | Katsumi Nagano, Hidenobu Mikami, Tetsuya Kurimura | 2005-06-07 |
| 6673750 | Lubricating composition | Masakazu Hirata, Atsushi Morooka, Hidenobu Mikami, Toshiyuki Mizutani, Seiichi Takada +2 more | 2004-01-06 |