Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476852 | Imaging device for endoscope equipped with both NTSC system and PAL system | — | 2002-11-05 |
| 6459447 | Video signal transmission device | Mitsuhisa Nakagawa, Keiichi Negishi | 2002-10-01 |