Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316814 | Optical information recording medium | Toru Yashiro, Yutaka Ueda | 1994-05-31 |
YS
Yasuo Sawada
Overall (1994): #49,634 of 165,921Top 30%
1
Patents 1994