Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668950 | Network service system and communication unit for game machine and game machine capable of using said network service system | Misao Kikuchi, Yasushi Kitagawa, Kenji Noma, Tadayuki Tahara, Yoshinori Saito +3 more | 1997-09-16 |
| 5664778 | Network service system and communication unit for game machine and game machine capable of using said network service system | Misao Kikuchi, Yasushi Kitagawa, Kenji Noma, Tadayuki Tahara, Yoshinori Saito +3 more | 1997-09-09 |