Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956721 | Method of facsimile transmission after collection of facsimile charge and apparatus therefor | Hisashi Tasaki | 1990-09-11 |
| 4879744 | Card-operated telephone | Hisashi Tasaki | 1989-11-07 |
| 4783823 | Card identifying method and apparatus | Hisashi Tasaki, Ichiro Miyagi, Shinichiro Tsunemi, Yuichi SAIDA, Katsuo Nakagaki | 1988-11-08 |
| 4528442 | Personal identification system | — | 1985-07-09 |