Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872066 | Drop-out correction apparatus | Shigeo Yamagata, Masahiro Takei, Tadashi Takayama | 1989-10-03 |
| 4843024 | Method of producing a Schottky gate field effect transistor | — | 1989-06-27 |
| D301612 | Table top for massaging and chiropractic therapy | Teruo Masuda, Kazuyuki Yamaguchi | 1989-06-13 |
| 4802015 | Image reproducing apparatus | — | 1989-01-31 |