Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4236811 | Electrophotographic copying apparatus | Akira Hirose, Keiji Sugita | 1980-12-02 |
YT
Yasuzi Takagi
Overall (All Time): #4,124,859 of 4,157,543Top 100%
1
Patents All Time