Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833508 | High electron mobility device with intrinsic AlAs/GaAs superlattice separator region | Tomonori Ishikawa, Satoshi Hiyamizu | 1989-05-23 |
SS
Shigehiko Sasa
Overall (1989): #56,950 of 140,708Top 45%
1
Patents 1989