Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156693 | Information recording medium | Yukio Ide, Makoto Harigaya, Hiroko Iwasaki | 1992-10-20 |
YK
Yoshiyuki Kageyma
Overall (All Time): #3,861,631 of 4,157,543Top 95%
1
Patents All Time