Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10885498 | Attendance registration device, attendance registration method, and recording medium | Toshitatsu Ishida, Taro Ejiri | 2021-01-05 |
TI
Tatsuzi Ichikawa
Overall (2021): #242,827 of 548,734Top 45%
1
Patents 2021