Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4719583 | Method and apparatus of evaluating mechanical properties of steel | Tsugio Ishida, Shoichi SEKIGUCHI | 1988-01-12 |
| 4684293 | Cable for fastening structures and method of detecting damage to corrosion-preventive layer thereof | — | 1987-08-04 |
| 4649256 | High-frequency electric resistance welding method using irradiation with a laser beam | Katsuhiro Minamida, Hiroya Haga, Nobuo Mizuhashi | 1987-03-10 |
| 4560855 | Method for joining of articles by energy beam and apparatus for controlling said method | Katsuhiro Minamida, Shigehiro Yamaguchi | 1985-12-24 |
| 4539848 | Method of determining grain size using ultrasonic waves | Shoichi SEKIGUCHI | 1985-09-10 |
| 4471204 | Method for joining of articles by energy beam and apparatus for controlling said method | Katsuhiro Minamida, Shigehiro Yamaguchi | 1984-09-11 |