Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652822 | Video signal recording and reproducing apparatus | Kazuaki Sugawara, Hideo Ito | 1997-07-29 |
YK
Yoshio Koizumi
Overall (1997): #56,014 of 185,788Top 35%
1
Patents 1997