Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5615206 | Optical disk | Seiichi Ohsawa, Hiroki Kuribayashi | 1997-03-25 |
TY
Takuma Yanagisawa
Overall (1997): #70,413 of 185,788Top 40%
1
Patents 1997