Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951756 | Method of forming GaAs/AlGaAs hetero-structure and GaAs/AlGaAs hetero-structure obtained by the method | Satoshi Shimomura, Yasunori Okamoto | 1999-09-14 |
| 5679179 | Method of forming GaAs/AlGaAs hetero-structure and GaAs/AlGaAs hetero-structure obtained by the method | Satoshi Shimomura, Yasunori Okamoto | 1997-10-21 |
| 4833508 | High electron mobility device with intrinsic AlAs/GaAs superlattice separator region | Tomonori Ishikawa, Shigehiko Sasa | 1989-05-23 |
| 4799088 | High electron mobility single heterojunction semiconductor devices and methods for production thereof | Toshio Fujii | 1989-01-17 |
| 4714948 | HEMT with epitaxial narrow bandgap source/drain contacts isolated from wide bandgap layer | Takashi Mimura | 1987-12-22 |