Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599576 | Insulated gate type field effect semiconductor device and a circuit employing the device | Isao Yoshida, Takeaki Okabe, Hidefumi Ito, Masatomo Furumi, Masaru Takeuchi +1 more | 1986-07-08 |
| 4443812 | High-breakdown-voltage semiconductor device | Ichiro Imaizumi, Masatoshi Kimura, Masayoshi Yoshimura, Takashi Yamaguchi, Toyomasa Koda | 1984-04-17 |
| 4423433 | High-breakdown-voltage resistance element for integrated circuit with a plurality of multilayer, overlapping electrodes | Ichiro Imaizumi, Masatoshi Kimura, Masayoshi Yoshimura, Takashi Yamaguchi, Toyomasa Koda | 1983-12-27 |
| 4317055 | High-voltage circuit for insulated gate field-effect transistor | Isao Yoshida, Minoru Nagata, Hisao Katto | 1982-02-23 |
| 4213140 | Insulated-gate semiconductor device | Takeaki Okabe, Isao Yoshida, Mineo Katsueda, Hidefumi Ito, Masatomo Furumi | 1980-07-15 |