Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7059052 | Hydrodynamic type porous oil-impregnated bearing | Kazuo Okamura, Yasuhiro Yamamoto, Isao Komori, Natsuhiko Mori | 2006-06-13 |
| 6789320 | Method of producing a sintered oil retaining bearing | Natsuhiko Mori, Kazuo Okamura | 2004-09-14 |
| 6533460 | Hydrodynamic type porous oil-impregnated bearing | Kazuo Okamura, Yasuhiro Yamamoto, Isao Komori, Natsuhiko Mori | 2003-03-18 |
| 6513980 | Hydrodynamic type porous oil-impregnated bearing | Kazuo Okamura, Yasuhiro Yamamoto, Isao Komori, Natsuhiko Mori | 2003-02-04 |
| 6357920 | Sintered oil retaining bearing and spindle motor for information equipment | Natsuhiko Mori, Kazuo Okamura | 2002-03-19 |
| 6299356 | Hydrodynamic type porous oil-impregnated bearing | Kazuo Okamura, Yasuhiro Yamamoto, Isao Komori, Natsuhiko Mori | 2001-10-09 |