Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396941 | Combined television receiver/tape recorder/calculator | Kosuke Nishimura, Isamu Haneda | 1983-08-02 |
| 4259668 | Television set/calculator interface including exchangeable keyboard panel and program memory cartridge | Kosuke Nishimura, Isamu Haneda | 1981-03-31 |
| 4218876 | Combined timekeeper and calculator with low power consumption features | Shintarou Hashimoto, Toshio Nishimura | 1980-08-26 |