Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5276401 | Method for diagnosing an insulation deterioration of an electric apparatus | Kenichiro Soma, Kazuo Kotani | 1994-01-04 |
| 4980645 | Method for diagnosing an insulation deterioration of a power cable | Kenichiro Soma, Kazuo Kotani, Chuki Ikeda, Moritada Marumo | 1990-12-25 |