Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10885498 | Attendance registration device, attendance registration method, and recording medium | Taro Ejiri, Tatsuzi Ichikawa | 2021-01-05 |
TI
Toshitatsu Ishida — 1 Patent
Overall (All Time): #2,703,354 of 4,157,543Top 70%
1
Patents All Time