Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10347447 | Tank type vacuum circuit breaker | Masahiro Arioka, Tadahiro Yoshida, Toshihiro Matsunaga, Toru Kimura, Naoki Tanaka | 2019-07-09 |
| 9496100 | Switchgear state display device | Toshihiro Matsunaga, Toru Kimura | 2016-11-15 |
| 9472356 | Tank-type vacuum circuit breaker | Toshihiro Matsunaga, Masahiro Arioka, Tadahiro Yoshida, Toru Kimura, Naoki Tanaka | 2016-10-18 |
| 9305725 | Switching apparatus | Tadahiro Yoshida, Toshihiro Matsunaga, Toru Kimura, Koichi Kagawa, Munetaka Kashiwa | 2016-04-05 |
| 5673150 | Anti-glare electrochromic mirror | Koichi Ono, Yutaka Yoshida, Tamotsu Horiba | 1997-09-30 |
| 5469296 | Control device for antiglare mirror | Kouichi Ohno, Yutaka Yoshida | 1995-11-21 |