Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980645 | Method for diagnosing an insulation deterioration of a power cable | Kenichiro Soma, Kazuo Kotani, Nobuju Takaoka, Chuki Ikeda | 1990-12-25 |
| 4909960 | Semiconductor resin composition | Kiyoshi Watanabe, Toshio Shiina, Yukio Shimazaki, Hideki Yagyu, Katsutoshi Hanawa | 1990-03-20 |