Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7900516 | Ultrasonic flaw detection apparatus and ultrasonic flaw detection method | Hiroyuki Fukutomi, Shan Lin | 2011-03-08 |
| 5243160 | Operating mechanism for an inert gas filled circuit breaker | Masatomo Ohno, Akira Suzuki, Hiromichi Hokutou | 1993-09-07 |
| 5206470 | Operating device for gas circuit breaker | Hiromichi Hokutou, Masatomo Ohno, Akira Suzuki | 1993-04-27 |