Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679430 | Optical recording medium | Masahiro Shinkai, Takahiko Suzuki, Kenryo Namba | 1997-10-21 |
SK
Sumiko Kitagawa
Overall (1997): #73,571 of 185,788Top 40%
1
Patents 1997