Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4742298 | Apparatus for detecting surface flaw of pipeline by electromagnetic induction | Seigo Ando | 1988-05-03 |
| 4716366 | Eddy current distance signal apparatus with temperature change compensation means | Seigo Ando, Yoshihiro Kawase | 1987-12-29 |