Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6040528 | Insulating supporting structure for high-voltage apparatus including inorganic insulating layer formed on a surface of an organic insulating structure | Tadao Kitamura | 2000-03-21 |
| 5985000 | Method for manufacturing electrode material for vacuum circuit breaker | Katsuro Shiozaki, Kazuro Shibata, Masayuki Furusawa, Shunichi Hatakeyama, Hiromi Iwai +2 more | 1999-11-16 |
| 5853083 | Contact material for a vacuum circuit breaker and a method for manufacturing the same | Masayuki Furusawa, Nobuyuki Odaka, Katsuhiko Taguchi, Yukio Osawa, Kazuro Shibata +1 more | 1998-12-29 |
| 5199553 | Sliding contactor for electric equipment | Naoshi Uchida, Kiyoshi Kandatsu, Soujun Matsumura, Tadashi Chiba, Shigeharu Miyazaki | 1993-04-06 |
| 5140114 | Electric contact with base metal | Mitsuo Sunaga, Kiyoshi Sekiguchi, Akihiro Takahashi, Hiroshi Hikita, Takashi Nara +1 more | 1992-08-18 |
| 5023416 | Circuit breaker | Jun Oyama, Naoshi Uchida, Makoto Unuma, Tatsunori Takahashi, Kiyoshi Kandatsu | 1991-06-11 |
| 4808223 | Silver/metal oxide material for electrical contacts and method of producing the same | Ryoji Ozaki, Hironobu Yamamoto, Takashi Nara, Hajime Yoshida | 1989-02-28 |