Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5475613 | Ultrasonic defect testing method and apparatus | Takamasa Ogata, Hideyuki Hirasawa, Takaya Misumi, Sumihiro Ueda, Osamu Miki +5 more | 1995-12-12 |
| 5182775 | Method of processing radiographic image data for detecting a welding defect | Shigetomo Matsui, Masahiro Uenishi, Sadao Iuchi, Kouji Sugimoto, Tetsuzo Harada +3 more | 1993-01-26 |
| 4600219 | Corrosion-resistant pipe coupling structures | Toshio Yoshida, Shigetomo Matsui, Toshio Atsuta | 1986-07-15 |
| 4509776 | Corrosion-resistant pipe coupling structures | Toshio Yoshida, Shigetomo Matsui, Toshio Atsuta | 1985-04-09 |