Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872043 | Charge coupled device with reduced surface state at semiconductor-insulator interface | — | 1989-10-03 |
| D302057 | Portable vacuum cleaner | Kuniyuki Shimoo | 1989-07-04 |
| 4806498 | Semiconductor charge-coupled device and process of fabrication thereof | — | 1989-02-21 |