Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853066 | Method for growing compound semiconductor crystal | Seikoh Yoshida, Toshio Kikuta | 1989-08-01 |
| 4798743 | Vapor deposition method for the GaAs thin film | Seiji Kojima, Masakiyo Ikeda, Hiroshi Kikuchi | 1989-01-17 |