Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825461 | Data communication apparatus for data and/or speech communication on a plurality of communication lines | Koichi Matsumoto, Toshihiko Nakazawa | 1989-04-25 |
KK
Kenji Kurita
Overall (1989): #88,410 of 140,708Top 65%
1
Patents 1989