Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4349395 | Method for producing MOS semiconductor device | Nobuo Toyokura, Hiroshi Tokunaga, Shinichi Inoue, Hajime Ishikawa | 1982-09-14 |
| 4343657 | Process for producing a semiconductor device | Takashi Ito, Hajime Ishikawa | 1982-08-10 |
| 4298629 | Method for forming a nitride insulating film on a silicon semiconductor substrate surface by direct nitridation | Takao Nozaki, Takashi Ito, Hideki Arakawa, Hajime Ishikawa | 1981-11-03 |
| 4270136 | MIS Device having a metal and insulating layer containing at least one cation-trapping element | Nobuo Toyokura, Hiroshi Tokunaga, Shinichi Inoue, Hajime Ishikawa | 1981-05-26 |