Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629274 | Lubricating fluid composition for dynamic pressure bearing | Masamichi Hayakawa, Toshihiro Kobayashi, Kazuya Shimizu, Masuhiro Onoyama, Katsumi Nagano | 1997-05-13 |
| 5627147 | Lubricating fluid composition for dynamic pressure bearing | Masamichi Hayakawa, Toshihiro Kobayashi, Kazuya Shimizu, Masuhiro Onoyama, Katsumi Nagano | 1997-05-06 |