Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10133875 | Digital rights management system implementing version control | — | 2018-11-20 |
| 10079833 | Digital rights management system with confirmation notification to document publisher during document protection and distribution | Kyohei Shiraishi | 2018-09-18 |
| 9990474 | Access control for selected document contents using document layers and access key sequence | Kyohei Shiraishi | 2018-06-05 |
| 9992262 | Personalized document content aggregation and document association implemented in a digital rights management system | — | 2018-06-05 |
| 9959395 | Hybrid digital rights management system and related document access authorization method | Kyohei Shiraishi | 2018-05-01 |