Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431505 | Fluid lubrication bearing apparatus | Katsuo Shibahara | 2008-10-07 |
| 7399121 | Fluid bearing device | Fuminori Satoji, Seiji Shimizu, Kenji Ito, Ryouichi Nakajima | 2008-07-15 |
| 7267484 | Fluid bearing device | Fuminori Satoji, Seiji Shimizu, Kenji Ito, Ryouichi Nakajima | 2007-09-11 |
| 7147376 | Dynamic bearing device | Seiji Shimizu | 2006-12-12 |
| 7059052 | Hydrodynamic type porous oil-impregnated bearing | Kazuo Okamura, Yasuhiro Yamamoto, Natsuhiko Mori, Makoto Shiranami | 2006-06-13 |
| 7025505 | Fluid bearing device | Seiji Shimizu, Masaharu Hori, Fuminori Satoji, Kenji Ito | 2006-04-11 |
| 6533460 | Hydrodynamic type porous oil-impregnated bearing | Kazuo Okamura, Yasuhiro Yamamoto, Natsuhiko Mori, Makoto Shiranami | 2003-03-18 |
| 6513980 | Hydrodynamic type porous oil-impregnated bearing | Kazuo Okamura, Yasuhiro Yamamoto, Natsuhiko Mori, Makoto Shiranami | 2003-02-04 |
| 6390681 | Dynamic pressure bearing-unit | Tsugito Nakazeki, Kazuo Okamura, Masakazu Hirata | 2002-05-21 |
| 6299356 | Hydrodynamic type porous oil-impregnated bearing | Kazuo Okamura, Yasuhiro Yamamoto, Natsuhiko Mori, Makoto Shiranami | 2001-10-09 |
| 6105250 | Method of producing hydrodynamic type porous oil-impregnated bearing | Toshihiko Tanaka | 2000-08-22 |
| 5941646 | Hydrodynamic type porous oil-impregnated bearing and bearing device | Natsuhiko Mori, Yasuhiro Yamamoto, Kazuo Okamura | 1999-08-24 |