Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5764129 | Ceramic resistor, production method thereof, neutral grounding resistor and circuit breaker | Tadashi Kitami, Seiichi Yamada, Ken Takahashi, Shingo Shirakawa, Takeo Yamazaki +2 more | 1998-06-09 |
| 5610570 | Voltage non-linear resistor and fabricating method thereof | Seiich Yamada, Shigeru Tanaka, Shigehisa Motowaki, Ken Takahashi, Shingo Shirakawa +1 more | 1997-03-11 |