Issued Patents 2021
| 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
Overall (2021): #229,271 of 548,734Top 45%
1
Patents 2021