Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8829778 | White light-emitting semiconductor devices | Hiroaki Sakuta, Yoshihito Satou, Hiroaki Okagawa, Shin Hiraoka | 2014-09-09 |
| 8829780 | White semiconductor light emitting device | Hiroaki Sakuta, Yoshihito Satou, Shin Hiraoka | 2014-09-09 |
| 8710741 | Illuminating device | Akeo Kasakura, Naoto Kijima | 2014-04-29 |
| 8581488 | White light-emitting semiconductor devices | Hiroaki Sakuta, Yoshihito Satou, Hiroaki Okagawa, Shin Hiraoka | 2013-11-12 |
| 8258699 | Illuminating device | Akeo Kasakura, Naoto Kijima | 2012-09-04 |
| 8115124 | Circuit breaker | Takanao Maruyama | 2012-02-14 |
| 8089021 | Vacuum circuit breaker | — | 2012-01-03 |
| 7923928 | Illuminating device | Akeo Kasakura, Naoto Kijima | 2011-04-12 |
| 7098418 | Vacuum circuit breaker, vacuum circuit breaker contact slow closing method, and contact erosion measuring method and contact gap length setting method using that slow closing method | Hiroshi Yamada | 2006-08-29 |
| 6574084 | Electromagnetic repulsion driven switch | Yukimori Kishida, Hiroyuki Sasao, Chie Takahashi, Yoichi Ueno, Eiji Moritoh +2 more | 2003-06-03 |
| 6369995 | Protection relay device for distribution equipment | Eiji Moritoh | 2002-04-09 |
| 6295191 | Switching apparatus | Yukimori Kishida, Hiroyuki Sasao, Chie Takahashi, Toshie Takeuchi, Hiroyuki Akita +1 more | 2001-09-25 |