Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644587 | Optical data communication system | Hiroshi Kadonaga, Satoshi Ishikawa, Junichi Kikuchi | 1987-02-17 |
YT
Yoshifusa Takahashi
Overall (All Time): #3,968,678 of 4,157,543Top 100%
1
Patents All Time