Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10527588 | Immersion-type ultrasound flaw detection device and ultrasound flaw detection system | Mikiyasu Urata, Kiyotaka Aoki, Shinichi Tsuji | 2020-01-07 |
| 4920804 | Insert type ultrasonic crack hunting apparatus | Keiichi Iwamoto | 1990-05-01 |
| 4907542 | Cleaning system for a horizontal type tube assembly | Takuzo Maeyama, Kenichi Nii, Shigeru Shimojo, Keiichi Iwamoto | 1990-03-13 |
| 4879973 | Automatic tube circumference scanning apparatus | Takuzo Maeyama, Kenichi Nii, Shigeru Shimojo, Keiichi Iwamoto, Kiyoshi Koizumi | 1989-11-14 |
| 4872347 | Automated ultrasonic examination system for heat transfer tubes in a boiler | Yoshimi Okabe, Keiichi Iwamoto, Shozo Kaneko, Joji Ichinari, Kiyoshi Koizumi | 1989-10-10 |
| 4854614 | Cable insert nozzle | Keiichi Iwamoto | 1989-08-08 |
| 4800927 | Cable insertion nozzle | Keiichi Iwamoto | 1989-01-31 |