Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5943030 | Display panel driving circuit | — | 1999-08-24 |
| 4288820 | Time-axis picture-signal converter for facsimile and the like | Takashi Ishikawa, Takashi Ogawa | 1981-09-08 |
| 4264932 | Picture signal receiver for facsimile and the like | Takashi Ishikawa | 1981-04-28 |