Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629274 | Lubricating fluid composition for dynamic pressure bearing | Masamichi Hayakawa, Kazuya Shimizu, Yuusuke Matsumura, Masuhiro Onoyama, Katsumi Nagano | 1997-05-13 |
| 5627147 | Lubricating fluid composition for dynamic pressure bearing | Masamichi Hayakawa, Kazuya Shimizu, Yuusuke Matsumura, Masuhiro Onoyama, Katsumi Nagano | 1997-05-06 |
| 5613443 | Amusement ride for traveling down a water chute with reduced splash | Moriaki Ariga, Reiichi Ojima, Yoshihiro Kawauchi | 1997-03-25 |