Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889831 | Method of forming a high temperature stable ohmic contact to a III-V substrate | Kazuaki Ishii, Toshiro Futatsugi, Toshio Oshima, Naoki Yokoyama, Akihiro Shibatomi | 1989-12-26 |
| 4833101 | Method of growing quaternary or pentanary alloy semiconductor lattice-matched to substrate by MBE | — | 1989-05-23 |
| 4825264 | Resonant tunneling semiconductor device | Tsuguo Inata, Shunichi Muto | 1989-04-25 |
| 4799088 | High electron mobility single heterojunction semiconductor devices and methods for production thereof | Satoshi Hiyamizu | 1989-01-17 |