Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11657985 | Operation switch unit, remote operation terminal and operation system | Shigetoshi Fujitani, Ikuo Maeda, Eiji Yoshi | 2023-05-23 |
| 6525667 | Operation indicator device and panel unit | Toshihiro Fujita, Yoshitaka Tsuji, Tatsunobu Nakai, Yoshihide NAKANO, Yosio Sekino +9 more | 2003-02-25 |
| 4771253 | Operation indicating device for electromagnetic relay | Naruhito Sasaki, Shigeru Tsujimura, Toshio Watanabe | 1988-09-13 |