Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5258631 | Semiconductor device having a two-dimensional electron gas as an active layer | Toshiyuki Usagawa, Kenji Hiruma, Masahiko Kawata, Shigeo Goto, Katsuhiko Mitani +3 more | 1993-11-02 |
| 4914488 | Compound semiconductor structure and process for making same | Tomoyoshi Mishima, Shigeo Goto, Susumu Takahashi, Makoto Morioka | 1990-04-03 |