Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879509 | Zero-phase-sequence voltage sensing apparatus | Taro Sometani, Mitsuo Aida, Mitsuharu Kudomi, Yasuhiro Tanahashi, Katsunori Aoki | 1989-11-07 |
| 4804922 | Voltage sensor | Taro Sometani, Mitsuo Aida, Mitsuharu Kudomi, Yasuhiro Tanahashi, Katsunori Aoki | 1989-02-14 |
| 4559530 | Overcurrent condition display | Masao Ishigure, Mitsuo Ota, Mitsuharu Kudomi | 1985-12-17 |