Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9946896 | Attribute information provision method and attribute information provision system | Natsuki Watanabe, Katsuaki Nakahara | 2018-04-17 |
| 9479330 | Method, information service system and program for information encryption/decryption | Hisayoshi Sato, Yoshiaki Isobe, Suguru Iwasaki | 2016-10-25 |
| 9419804 | Data authenticity assurance method, management computer, and storage medium | Natsuki Watanabe, Yoko Hashimoto, Kunihiko Miyazaki, Naoki Hayashi, Yoshiaki Isobe +2 more | 2016-08-16 |