Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D458986 | Valve positioner | — | 2002-06-18 |
| 4649359 | Explosion-proof electro-displacement converter device | Masatoshi Fujiwara, Tatsuhide Shiga, Yohsuke Shono, Mikio Tanaka, Yoshihiro Tsuruoka | 1987-03-10 |
| 4586388 | Three force balanced mechanism | Mikio Tanaka, Yoshihiro Tsuruoka, Masatoshi Fujiwara, Tatsuhide Shiga | 1986-05-06 |
| 4502333 | Three force balanced mechanism | Tatsuhide Shiga, Mikio Tanaka, Yoshihiro Tsuruoka, Masatoshi Fujiwara | 1985-03-05 |