Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8506167 | Dynamic bearing device having a thrust bearing portion | Tatsuya Hayashi, Tatsuo Kawase, Isao Komori, Katsuo Shibahara | 2013-08-13 |
| 7946770 | Hydrodynamic bearing device | Tatsuya Hayashi | 2011-05-24 |
| 7066652 | Externally pressurized gas bearing and spindle equipment using this | Yoshio Fujikawa, Kazuyuki Aono, Ryu Inoue | 2006-06-27 |
| 6508590 | Externally pressurized gas bearing spindle | — | 2003-01-21 |
| 5697709 | Dynamic pressure type bearing device | Natsuhiko Mori, Takashi Minami, Yasuhiro Yamamoto, Masakazu Hirata | 1997-12-16 |