Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4599576 | Insulated gate type field effect semiconductor device and a circuit employing the device | Isao Yoshida, Takeaki Okabe, Shikayuki Ochi, Hidefumi Ito, Masaru Takeuchi +1 more | 1986-07-08 |
| 4213140 | Insulated-gate semiconductor device | Takeaki Okabe, Isao Yoshida, Mineo Katsueda, Hidefumi Ito, Shikayuki Ochi | 1980-07-15 |