Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467963 | Fluid bearing equipment | Katsunori Sakuragi, Takao Yoshitsugu, Hideshi Fukutani | 2002-10-22 |
| 6404586 | Spindle device having a dynamic-pressure-fluid bearing | Katsunori Sakuragi | 2002-06-11 |
| 6357916 | Hydrodynamic bearing device | Takao Yoshitsugu, Katsunori Sakuragi, Hideshi Fukutani | 2002-03-19 |
| 6301074 | Spindle device having a dynamic-pressure-fluid bearing | Katsunori Sakuragi | 2001-10-09 |
| 6219199 | Spindle device having a dynamic-pressure-fluid bearing | Katsunori Sakuragi | 2001-04-17 |
| 6196722 | Hydrodynamic bearing | Takafumi Asada, Hiroaki Saito, Takao Yoshitsugu, Katsunori Sakuragi | 2001-03-06 |
| 4697820 | Ski | Keijiro Hayashi, Kenzo Shinya, Shigeru Asai | 1987-10-06 |