Inventor · disambiguated record

Ryou Ishikawa

Also filed as: ISHIKAWA RYOU

1 granted patent·8 citations·filing 1992–1992

30Inventor score

Technology areasH04B

Files withCASIO COMPUTER CO LTD1

Top patents by PatentIndex Score

1 record

0130US5408583ASound outputting devices using digital displacement data for a PWM sound signalCASIO COMPUTER CO LTD·Filed 1992·Granted Apr 18, 1995·8 cites·8 claims

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