Inventor · disambiguated record
Hirofumi Matsui
Also filed as: MATSUI HIROFUMI
10 granted patents·1 pending application·97 citations·filing 1977–2009
88Inventor score
Top patents by PatentIndex Score
11 records- 0177US4203771AGreen sand composition for castingMATSUI HIROFUMI·Filed 1978·Granted May 20, 1980·17 cites·18 claims
- 0276US4137085AGreen sand composition for castingMATSUI HIROFUMI·Filed 1977·Granted Jan 30, 1979·17 cites·19 claims
- 0369US7154427B2Electronic circuit apparatusSHARP KK·Filed 2005·Granted Dec 26, 2006·7 cites·27 claims
- 0462US8587573B2Drive circuit and display deviceWATANABE TOSHIO·Filed 2009·Granted Nov 19, 2013·1 cites·21 claims
- 0556US6778120B2D/A converter circuit, and portable terminal device and audio device using the D/A converter circuitSHARP KK·Filed 2003·Granted Aug 17, 2004·11 cites·10 claims
- 0653US5845016AImage compressing apparatusSHARP KK·Filed 1996·Granted Dec 1, 1998·20 cites·14 claims
- 0748US5703503AWinner-take-all circuitSHARP KK·Filed 1996·Granted Dec 30, 1997·16 cites·6 claims
- 0831US5796647AInner product calculation deviceSHARP KK·Filed 1996·Granted Aug 18, 1998·3 cites·6 claims
- 0930US5818267AInput detectorSHARP KK·Filed 1997·Granted Oct 6, 1998·3 cites·12 claims
- 1029US5878171AEncoding apparatusSHARP KK·Filed 1996·Granted Mar 2, 1999·2 cites·11 claims
- 1128US2007247347A1Electronic Circuit DeviceMATSUI HIROFUMI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →