Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642169 | Television signal converting apparatus | Toshinori Yamamoto | 1997-06-24 |
HI
Hisashi Ishikawa
Overall (1997): #142,109 of 185,788Top 80%
1
Patents 1997