Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675201 | Composite bearing structure | Tetsuya Katayama, Akira Yamakawa, Kenji Matsunuma, Norio Yasuoka, Matsuo Higuchi +1 more | 1997-10-07 |
| 5628567 | Dynamic pressure gas bearing structure | Kaoru Murabe | 1997-05-13 |
| 5599493 | Method of producing silicon nitride ceramic component | Yasushi Ito, Takehisa Yamamoto, Takao Nishioka, Akira Yamakawa | 1997-02-04 |