Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580447 | Video signal switching arrangement and conference video display system using same | Kazuo Shimizu, Satoshi Kawaguchi, Kouji Takahashi | 2003-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580447 | Video signal switching arrangement and conference video display system using same | Kazuo Shimizu, Satoshi Kawaguchi, Kouji Takahashi | 2003-06-17 |