Patents/Inventors

Hiroyuki Hama

TokyoJP3 patents

3 Patents

US124274342025
Spinning Top Toy
TOMY COMPANY, Ltd.
0 cites
US118837542024
Battling Environment with Multiple Play Level Surfaces
TOMY COMPANY, Ltd.
0 cites
USD10040002023
Playing Surface for Spinning Top Toy
TOMY COMPANY, Ltd.
0 cites