Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344789 | Voltage non-linear resistor unit and arrester unit | Takeshi Udagawa, Yoshihiro Ishizaki, Nobuyuki Shimizu, Hironori Suzuki, Hiroyoshi Narita +8 more | 2002-02-05 |
| 5539607 | Tank-shape arrester | Katsuaki Komatsu, Yoshihide Kayano | 1996-07-23 |
| 4791375 | Apparatus for detecting degradation of an arrester | — | 1988-12-13 |