Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10991197 | Game machine system | Hidehiko Sakamoto, Jong Hak CHOI, Hiroaki Kashima | 2021-04-27 |
| 10964166 | Operating device of game machine and game machine | Hidehiko Sakamoto, Jong Hak CHOI, Nobuyuki Matsutani, Hiroaki Kashima, Yuta Kikuchi +8 more | 2021-03-30 |