Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663775 | Video projector with luminance and chrominance optical modulation LCD's | Hiroshi Kawamura, Yoshisuke Ohtsuru | 1997-09-02 |
HK
Hisao Koizumi
Overall (1997): #141,723 of 185,788Top 80%
1
Patents 1997