Assignee
YAMAMOTO SHUZO
3 granted patents·80 citations·filing 1982–2008
Top patents by PatentIndex Score
3 records- 0186US4462596APiece-stacking game device utilizing magnetic forcesYAMAMOTO SHUZO·Filed 1982·Granted Jul 31, 1984·63 cites·8 claims
- 0279US8330874B2Video signal conversion device, video signal conversion method and video display deviceYAMAMOTO SHUZO·Filed 2008·Granted Dec 11, 2012·8 cites·6 claims
- 0343US4430824AComposite-picture forming play kitYAMAMOTO SHUZO·Filed 1982·Granted Feb 14, 1984·9 cites·4 claims
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