Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331623 | Optical retrieval system for encoding pit angular data and optical recording element therefor | Hirotsugu Matoba, Toshihisa Deguchi, Shigeo Terashima | 1994-07-19 |
HY
Hideyoshi Yamaoka
Overall (1994): #123,886 of 165,921Top 75%
1
Patents 1994