Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673117 | Data communication apparatus with detachable network control unit | Toshio Kenmochi, Hisashi Toyoda, Takeshi Tsukamoto | 1997-09-30 |
| 5668641 | Facsimile apparatus for error retransmission | Takeshi Tsukamoto | 1997-09-16 |