Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155008 | Optical recording medium | Shuichi Yanagisawa, Tatsuro Sakai, Fumio Matsui, Tsuneki Okazaki | 1992-10-13 |
AS
Akira Shimpo
Overall (All Time): #3,861,189 of 4,157,543Top 95%
1
Patents All Time