Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4416967 | Diazo copying element | Tsutomu Matsuda, Takeo Hirabayashi, Takeshi Yanagihara | 1983-11-22 |
SS
Shinjiro Sakurai
Overall (All Time): #4,061,243 of 4,157,543Top 100%
1
Patents All Time