Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9950260 | Game system capable of displaying comments, comment display control method, and computer readable storage medium | Yoshiaki Kawano, Kenichi Yamamoto | 2018-04-24 |
| 9861900 | Game system and game device | Kenichi Yamamoto | 2018-01-09 |