Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9794071 | Digital data content certification system, data certification device, user terminal, computer program and method therefor | — | 2017-10-17 |
| 9576059 | Human relationships registering system and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program and readable by computer | Kenichi Ninomiya | 2017-02-21 |