Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11909873 | Decryption device, cryptographic system, and decryption method | Katsuyuki Takashima, Tatsuaki Okamoto | 2024-02-20 |
| 11888968 | Signature device, verification device, signature method, verification method, and computer readable medium | Katsuyuki Takashima, Tatsuaki Okamoto | 2024-01-30 |