Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433293 | Method and apparatus for detecting abnormal conditions of circuit breakers | Shinichi Ikeda | 1984-02-21 |
| 4400981 | Method and apparatus for detecting abnormal conditions of switch gears | Kazuomi Sakata, Shinichi Ikeda, Mashiro Koyama | 1983-08-30 |