Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710921 | Digital signal transmitting system | Yoshiyuki Kondoh | 1987-12-01 |
| 4656629 | Digital signal transmitting and/or receiving system | Yoshiyuki Kondoh | 1987-04-07 |
| 4443820 | Process for preparing hectographic printing masters | Masayuki Mutoh, Toshihiro Hayashi | 1984-04-17 |