Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5990440 | Switch and arc extinguishing material for use therein | Shoji Yamaguchi, Itsuo Nishiyama, Fumiaki Baba, Mitugu Takahasi, Takao Mitsuhashi +7 more | 1999-11-23 |
| 5841088 | Switch and arc extinguishing material for use therein | Shoji Yamaguchi, Itsuo Nishiyama, Fumiaki Baba, Mitugu Takahasi, Takao Mitsuhashi +7 more | 1998-11-24 |
| 5180532 | Process for preparing mica-containing ceramic composite | Takashi Shirazawa, Kazuharu Kato | 1993-01-19 |
| 5061308 | Method of manufacturing readily machinable high strength glass ceramics | Takasi Shirazawa | 1991-10-29 |
| 4746346 | Method for producing air-tight, heat-resistant plate | Kiyoshi Takata, Kazuharu Kato, Kazuo Okahashi, Hitoshi Yamazaki, Takao Takeda | 1988-05-24 |
| 4486546 | Process for preparing a heat resistant soft composite | Yasuhiko Ikeda, Isao Ishii | 1984-12-04 |
| 4466793 | Heat treatment jig for use in the manufacture of cathode-ray tubes | Yoshihiro Murakami, Toyoshi Takeuchi, Isao Ishii, Hiroshi Takayanagi | 1984-08-21 |
| 4412010 | Arc resistant insulator | Isao Ishii, Yoshiaki Sakamoto, Yoshikazu Utsumi, Tatsuharu Nakamura, Hiroshi Takayanagi | 1983-10-25 |