Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159561 | Zero-phase sequence current detector | Masami Watanabe, Noboru Mikami, Eiya Aikawa | 1992-10-27 |
| 5012182 | Electrical measuring device | Toshisada Fujiki, Taikichi Kondo, Kazuaki Kato, Akimichi Okimoto, Kenji Tsuge | 1991-04-30 |
| 4894609 | Electrical measuring device | Toshisada Fujiki, Taikichi Kondo, Kazuaki Kato, Akimichi Okimoto, Kenji Tsuge | 1990-01-16 |