Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11145222 | Language learning system, language learning support server, and computer program product | Ken-ichi Kainuma | 2021-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11145222 | Language learning system, language learning support server, and computer program product | Ken-ichi Kainuma | 2021-10-12 |