Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8829890 | Optical voltage sensor | Masao Takahashi, Junichi Sato, Takashi Miyabe, Tokihiro Umemura | 2014-09-09 |
| 8319958 | Phase modulator, phase modulator assembly, and photosensor | Kinichi Sasaki, Masao Takahashi, Masahiro Hamaguchi, Takashi Miyabe, Tokihiro Umemura | 2012-11-27 |
| 8115473 | Optical voltage transformer | Junichi Sato, Masao Takahashi, Miwa Takeuchi, Teruhiko Maeda, Mitsuhiro Fujikawa +1 more | 2012-02-14 |