Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872347 | Automated ultrasonic examination system for heat transfer tubes in a boiler | Keiichi Iwamoto, Masaaki Torichigai, Shozo Kaneko, Joji Ichinari, Kiyoshi Koizumi | 1989-10-10 |
| 4856353 | Nondestructive inspection apparatus for heat-transfer tubes in boilers | Katsumi Kikuchi | 1989-08-15 |