Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9672752 | Learning assistance server, learning assistance system, and learning assistance program | Takahiro Obae, Masahiro Koizumi | 2017-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9672752 | Learning assistance server, learning assistance system, and learning assistance program | Takahiro Obae, Masahiro Koizumi | 2017-06-06 |