Assignee
YOSHIZAWA HIROAKI
JP·7 granted patents·17 citations·filing 2009–2012
Top patents by PatentIndex Score
7 records- 0181US8884842B2Presentation system and display terminal used in the presentation systemYOSHIZAWA HIROAKI·Filed 2012·Granted Nov 11, 2014·7 cites·12 claims
- 0267US8619045B2Calculator and computer-readable mediumYOSHIZAWA HIROAKI·Filed 2010·Granted Dec 31, 2013·4 cites·3 claims
- 0365US8659567B2Electronic device having handwritten mathematical formula recognition functionYOSHIZAWA HIROAKI·Filed 2011·Granted Feb 25, 2014·3 cites·18 claims
- 0463US8196057B2Calculator emulation apparatusYOSHIZAWA HIROAKI·Filed 2009·Granted Jun 5, 2012·3 cites·9 claims
- 0546US9146667B2Electronic device, display system, and method of displaying a display screen of the electronic deviceYOSHIZAWA HIROAKI·Filed 2012·Granted Sep 29, 2015·0 cites·8 claims
- 0643US8842132B2Graphic display apparatus, graphic display method and recording medium in which graphic display program is recordedYOSHIZAWA HIROAKI·Filed 2012·Granted Sep 23, 2014·0 cites·9 claims
- 0729US8817027B2Graph display apparatus, recording medium on which program is recorded and graph display methodYOSHIZAWA HIROAKI·Filed 2011·Granted Aug 26, 2014·0 cites·6 claims
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