Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645107 | Hydraulic pressure control valve | Masanori Kobayashi, Yoshiyuki Saito, Takashi Ohata, Noboru Minamoto | 1997-07-08 |
| 5633084 | Coated fused alumina particles and production process thereof | Tadashi Hiraiwa | 1997-05-27 |