Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5712756 | Substation with surge arresters | Jun Ozawa, Katsuji Shindo, Takahide Matsuo, Yoshitaka Yagihashi, Takeo Yamazaki | 1998-01-27 |
| 5585996 | Arrestor for gas insulated switchgear | Jun Ozawa, Katsuji Shindo, Yoshitaka Yagihashi, Shingo Shirakawa, Satoshi Watahiki | 1996-12-17 |
| 5373279 | Arrester for gas insulated switchgear device | Jun Ozawa, Katsuji Shindo, Yoshitaka Yagihashi | 1994-12-13 |
| 5359316 | Zinc oxide type arrester | Jun Ozawa, Katsuji Shindo | 1994-10-25 |
| 5283709 | Lightning arrester on tower for power transmission | Shingo Shirakawa, Syuichi Terakado, Jun Ozawa | 1994-02-01 |
| 4769659 | Printer utilizing optical switch elements | Takao Umeda, Tatsuo Igawa, Yasuro Hori | 1988-09-06 |
| 4712876 | Driving ferroelectric liquid crystal printers via short circuiting | Takao Umeda, Tatsuo Igawa, Yasuro Hori | 1987-12-15 |
| 4591886 | Driving method and apparatus for optical printer with liquid-crystal switching element | Takao Umeda, Tatsuo Igawa, Yasuro Hori, Yoshiharu Nagae, Masato Isogai | 1986-05-27 |