Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7696747 | Electromagnetic induction type inspection device and method | Kazuhiko Yasohama, Makio Iwamoto, Takayuki Yamaki, Ichiro Fujitomi | 2010-04-13 |
| 5689183 | Electromagnetic-induction type inspection device employing two induction coils connected in opposite phase relation | — | 1997-11-18 |
| 5548214 | Electromagnetic induction inspection apparatus and method employing frequency sweep of excitation current | Kazuhiko Yasohama | 1996-08-20 |
| 5432444 | Inspection device having coaxial induction and exciting coils forming a unitary coil unit | Kazuhiko Yasohama, Hirofumi Takahashi | 1995-07-11 |