Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481923 | Holder of fatigue test piece | Masao Ohmi, Fumiki Takada | 1996-01-09 |
| 5249471 | Sealing structure for testing vessel | Masao Ohmi, Masaaki Yokoi, Shouji Yoshikawa | 1993-10-05 |