Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11115214 | Biometric signature system and biometric signature method | Kenta Takahashi, Masakazu Fujio | 2021-09-07 |
| 11018876 | Signature verification system, signature verification method, and storage medium | Kenta Takahashi, Masakazu Fujio, Ken Naganuma | 2021-05-25 |