Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887162 | Facsimile machine having retransmission function | — | 1989-12-12 |
| 4879552 | Variable capacitance type encoder | Kouji Sasaki, Takanori Ohsaki | 1989-11-07 |
| 4843387 | Variable capacitance type encoder | Kouji Sasaki, Takanori Ohsaki | 1989-06-27 |
| 4835068 | Magnetic recording medium | Tadashi Yasunaga, Ryuji Shirahata | 1989-05-30 |