Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277193 | APNEA preventive stimulating device | Tamotsu Takishima, Wataru Hida | 1994-01-11 |
| 5200878 | Drive circuit for current sense IGBT | Kiyoaki Sasagawa | 1993-04-06 |
| 5200879 | Drive circuit for voltage driven type semiconductor device | Kiyoaki Sasagawa | 1993-04-06 |
| 5178156 | Apnea preventive stimulating device | Tamotsu Takishima, Wataru Hida | 1993-01-12 |
| 5055990 | Snubber circuit for power conversion semiconductor elements and assembly thereof | Yoshitaka Fujiwara, Kiyoshi Iida, Hiromu Takubo, Kunio Shibayama, Shinichi Kobayashi | 1991-10-08 |
| 5043587 | Photocoupler circuit having DC power source in series with detection and switching means | Yasuharu Seki | 1991-08-27 |
| 4949213 | Drive circuit for use with voltage-drive semiconductor device | Kiyoaki Sasagawa, Tadashi Miyasaka, Hideki Ninomiya | 1990-08-14 |