Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8753239 | Power transmission device | Hideki Miura | 2014-06-17 |
| 8460117 | Power transmission device | Junji Ohtsuka, Hideki Miura, Yasushi Koyama | 2013-06-11 |
| 6295192 | Switchgear | Yukimori Kishida, Kenichi Koyama, Hiroyuki Sasao, Yuichi Yamaji, Toshimasa Maruyama | 2001-09-25 |
| 6046423 | Switchgear | Yukimori Kishida, Kenichi Koyama, Hiroyuki Sasao, Yuichi Yamaji, Toshimasa Maruyama | 2000-04-04 |