Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7619750 | Measurement method and device for bead cutting shape in electric resistance welded pipes | Toshifumi Kodama, Akira Torao, Yasumasa Tekemura, Takatoshi Okabe | 2009-11-17 |
| 7471400 | Measurement method and device for bead cutting shape in electric resistance welded pipes | Toshifumi Kodama, Akira Torao, Yasumasa Tekemura, Takatoshi Okabe | 2008-12-30 |
| 7236255 | Method and instrument for measuring bead cutting shape of electric welded tube | Toshifumi Kodama, Akira Torao, Yasumasa Tekemura, Takatoshi Okabe | 2007-06-26 |
| 5815772 | Driving system for a detachable unit and of using same | Naomasa Saito, Toshimitsu Shimizu | 1998-09-29 |
| 4480919 | Method and system for determining shape in plane to be determined in atmosphere of scattering materials | Yuichiro Asano, Tadashi Yabe, Kunio Kurita, Suehisa Ohga, Akira Hirahashi +1 more | 1984-11-06 |