Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666151 | Multiple audio and video signal providing apparatus | Yoshiyuki Kondo, Tetsu Shigetomi | 1997-09-09 |
| 5600365 | Multiple audio and video signal providing apparatus | Yoshiyuki Kondo, Tetsu Shigetomi | 1997-02-04 |