Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888795 | Videotelephone apparatus for transmitting high and low resolution video signals over telephone exchange lines | Kazuo Ichinokawa, Takayuki Yokoyama | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888795 | Videotelephone apparatus for transmitting high and low resolution video signals over telephone exchange lines | Kazuo Ichinokawa, Takayuki Yokoyama | 1989-12-19 |