Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5970202 | Communication apparatus | Masahiro Takei, Tadashi Takayama | 1999-10-19 |
| D307439 | Printer | — | 1990-04-24 |
| D305426 | Portable still video transmitter | — | 1990-01-09 |
SD
Susumu Doi
Overall (All Time): #1,635,870 of 4,157,543Top 40%
3
Patents All Time