Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6397681 | Portable ultrasonic detector | Yoshio Akutsu, Shigenori Aoki, Shigeru Miwa | 2002-06-04 |
| 6112593 | Portable non-destructive inspection device and support casing therefor | Shigenori Aoki, Tohru Miyata, Seigo Kikuchi, Shigeru Miwa, Takenori Hiroki | 2000-09-05 |