Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862383 | Ultrasonic inspection apparatus | Chishio Koshimizu, Toshio Nonaka, Sakae Takeda | 1989-08-29 |
| 4768155 | Supersonic flaw detecting system | Yoshihiko Takishita, Toshio Nonaka | 1988-08-30 |