Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474163 | Ultrasonic flaw detection method and instrument therefor | Hajime Takada, Akira Torao | 2002-11-05 |
| 6446509 | Method and apparatus for ultrasonic testing of the surface of columnar structures, and method for grinding rolls by use of them | Hajime Takada, Ryouichi Sugimoto, Takashi Morii | 2002-09-10 |
| 6374494 | Compound roll for thin cold rolled steel strip and method of manufacturing same | Osamu Sonobe, Hirotaka Kano, Kazuhito Kenmochi, Akihiko Fukuhara, Nobuaki Gamo | 2002-04-23 |
| 6341525 | Method and apparatus for ultrasonic testing of the surface of columnar structures, and method for grinding rolls by use of them | Hajime Takada, Ryouichi Sugimoto, Takashi Morii | 2002-01-29 |