Inventor · disambiguated record
Hirohisa Koyama
Also filed as: KOYAMA HIROHISA
5 granted patents·2 pending applications·281 citations·filing 1994–2012
82Inventor score
Top patents by PatentIndex Score
7 records- 0193US5943049AImage processor for displayed message, balloon, and character's faceCASIO COMPUTER CO LTD·Filed 1996·Granted Aug 24, 1999·235 cites·13 claims
- 0274US7130394B2Imaging apparatus with communication function, image data storing method and computer programCASIO COMPUTER CO LTD·Filed 2004·Granted Oct 31, 2006·14 cites·14 claims
- 0369US5446238AVoice processorYAMAHA CORP·Filed 1994·Granted Aug 29, 1995·23 cites·7 claims
- 0458US7844302B2Communication terminal, reception notifying method, and computer-readable recording mediumCASIO HITACHI MOBILE COMM CO·Filed 2006·Granted Nov 30, 2010·2 cites·19 claims
- 0546US2004239686A1Data communications device, image transmission method and image transmission programCASIO COMPUTER CO LTD·Filed 2004·Application pending·0 cites
- 0636USRE37041EVoice processorYAMAHA CORP·Filed 1997·Granted Feb 6, 2001·7 cites·46 claims
- 0736US2014029787A1Data transmission device, method for adding copyright notice, and programKOYAMA HIROHISA·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →