Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10937110 | Tax calculator, tax calculation method, and storage medium storing program | — | 2021-03-02 |
| 10289602 | Calculation apparatus, displaying method in calculation apparatus, and recording medium | Hironori Yoshikawa, Kazuhiko Arikawa, Hiroaki Yoshizawa, Shinichi Tamamoto | 2019-05-14 |
| 10235328 | Calculation device, calculation method, and storage medium | Kazuhiko Arikawa, Hiroaki Yoshizawa, Hironori Yoshikawa | 2019-03-19 |
| 10114791 | Electronic apparatus, calculation processing method, and recording medium storing calculation processing program | — | 2018-10-30 |