Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11575805 | Information processing apparatus and information processing system to process document involving user authentication | Tetsuo Iyoda, Takuya Masuda | 2023-02-07 |
| 11418484 | Document management system | Tetsuo Iyoda, Akio Yamashita | 2022-08-16 |
| 11178292 | Information processing apparatus, protection processing apparatus and terminal device for limiting access to a document | Tetsuo Iyoda, Akio Yamashita | 2021-11-16 |
| 11042658 | Document management system and processing apparatus | Tetsuo Iyoda | 2021-06-22 |
| 11010331 | Document management system | Tetsuo Iyoda | 2021-05-18 |
| 10938863 | Secure document management through verification of security states of information processing apparatuses in the peer-to-peer transmission of encrypted documents | Tetsuo Iyoda | 2021-03-02 |
| 10917408 | Secure document management through verification of security states of information processing apparatuses in peer-to-peer transmission of encrypted documents | Tetsuo Iyoda | 2021-02-09 |
| 10896262 | Document management system and management apparatus | Tetsuo Iyoda | 2021-01-19 |
| 10853423 | Information processing apparatus and non-transitory computer readable medium | Tetsuo Iyoda | 2020-12-01 |
| 10657269 | Management apparatus and document management system | Tetsuo Iyoda | 2020-05-19 |
| 7421082 | Data delivery method and data delivery system using sets of passkeys generated by dividing an encryption key | Masami Yamashita | 2008-09-02 |
| 7340764 | Data transmission system | Ichiro Kubota | 2008-03-04 |