Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689244 | Communication system and electronic apparatus | Yuko Iijima, Harumi Kawamura, Makoto Sato | 1997-11-18 |
| 5673357 | Video recording, transmitting and reproducing apparatus with concurrent recording and transmitting or multiple dubbing of copy protected video signals | — | 1997-09-30 |
| 5621725 | Communication system capable of preventing dropout of data block | Harumi Kawamura, Keiko Tamamizu | 1997-04-15 |