Inventor · disambiguated record
Kouichi Oyama
Also filed as: OYAMA KOUICHI
4 granted patents·1 pending application·16 citations·filing 1996–2009
71Inventor score
Top patents by PatentIndex Score
5 records- 0180US7731194B2Game piece and method of playing game using sameISHIHARA TSUNEKAZU·Filed 2006·Granted Jun 8, 2010·8 cites·50 claims
- 0261US2010038852A1Game piece and method of playing game using sameISHIHARA TSUNEKAZU·Filed 2009·Application pending·0 cites
- 0354US8668562B2Game piece and method of playing game using sameISHIHARA TSUNEKAZU·Filed 2006·Granted Mar 11, 2014·0 cites·70 claims
- 0440US5862296AInformation signal reproducing apparatusSONY CORP·Filed 1996·Granted Jan 19, 1999·6 cites·20 claims
- 0530US6314233B1Information signal reproducing apparatusSONY CORP·Filed 1998·Granted Nov 6, 2001·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →