Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4982961 | Game with spinning tops | — | 1991-01-08 |
| 4458899 | Game capable of collecting and then randomly dispensing objects | Hideyuki Kanno | 1984-07-10 |
| 4304043 | Process for preparing semiconductor device _by forming reinforcing regions to facilitate separation of pellets | Hiroshi Gamo, Shigeru Hokuyo, Takeshi Yamamoto | 1981-12-08 |