Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4218876 | Combined timekeeper and calculator with low power consumption features | Hirohide Nakagawa, Toshio Nishimura | 1980-08-26 |
SH
Shintarou Hashimoto
Overall (All Time): #4,118,313 of 4,157,543Top 100%
1
Patents All Time