Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871245 | Surgical microscope | Takashi Fukaya, Toshiyuki Tsunoda, Hiroshi Fujiwara | 1989-10-03 |
| 4833508 | High electron mobility device with intrinsic AlAs/GaAs superlattice separator region | Shigehiko Sasa, Satoshi Hiyamizu | 1989-05-23 |