Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4555948 | Method of ultrasonic flaw detection of pipe | Hirofumi Miyamoto, Nobuaki Kaitatsu, Junichi Sugitani, Yasumaru Taniguchi | 1985-12-03 |
TK
Tetsuo Kaji
Osaka Gas Co.: 1 patents #252 of 689Top 40%
Overall (All Time): #4,025,425 of 4,157,543Top 100%
1
Patents All Time