Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5773984 | Method of inspecting abnormality occurring inside pipe and apparatus for practicing the method | Kiichi Suyama, Hajime Furusawa, Takashi Kobori | 1998-06-30 |
| 5623203 | Remote field flaw sensor including an energizing coil, first and second receiving coil groups oriented perpendicular and a third receiving coil oriented parallel to pipe | Yoshikazu Chiba, Akira Kinoshita, Masanori Akita, Takashi Sumi, Toshihide Kawabe | 1997-04-22 |
| 5612625 | Method of measuring inner diameter of pipe | Kiichi Suyama, Hajime Furusawa, Takashi Kobori | 1997-03-18 |
| 5461312 | Remote field eddy current sensor for detecting flaws in metal material | Kiwamu Suzuki, Shigeru Fujiwara, Toshihide Kawabe | 1995-10-24 |
| 5365169 | Remote field eddy current flaw detector for metal material including attenuator, adder, phase shiftery and phase comparator | Kiwamu Suzuki, Shigeru Fujiwara, Toshihide Kawabe | 1994-11-15 |
| 5210492 | Remote field eddy current flaw detector for metal pipes having a pair of receiver coils providing a differential offset amplitude signal | Kiwamu Suzuki, Shigeru Fujiwara, Toshihide Kawabe | 1993-05-11 |