Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222091 | Structure for indium phosphide/indium gallium arsenide phosphide buried heterostructure semiconductor | Roger P. Holmstrom, William Powazinik | 1993-06-22 |
| 5093225 | Processing method for fabricating electrical contacts to mesa structures in semiconductor devices | Roger P. Holmstrom, F. David Crawford | 1992-03-03 |
| 5082799 | Method for fabricating indium phosphide/indium gallium arsenide phosphide buried heterostructure semiconductor lasers | Roger P. Holmstrom, William Powazinik | 1992-01-21 |