Inventor · disambiguated record
Katsumasa Hijikata
Also filed as: HIJIKATA KATSUMASA
7 granted patents·2 pending applications·83 citations·filing 1999–2015
85Inventor score
Files withPANASONIC CORP4HIJIKATA KATSUMASA2NASU TAKAFUMI1PANASONIC IP MAN CO LTD1SEMICONDUCTOR TECH ACAD RES CT1
Top patents by PatentIndex Score
9 records- 0189US7587010B2Complex filter circuit and receiver circuitPANASONIC CORP·Filed 2005·Granted Sep 8, 2009·19 cites·18 claims
- 0283US9635299B2Solid-state imaging device and imaging apparatus including an adjusting circuit that reduces an amplitude of a control signal from a control unitPANASONIC IP MAN CO LTD·Filed 2015·Granted Apr 25, 2017·4 cites·16 claims
- 0381US8253492B2Variable gain amplifierHIJIKATA KATSUMASA·Filed 2011·Granted Aug 28, 2012·10 cites·1 claims
- 0479US7834704B2Low-noise amplifier circuit and receiving systemPANASONIC CORP·Filed 2006·Granted Nov 16, 2010·12 cites·16 claims
- 0572US6144217ALow switching noise logic circuitSEMICONDUCTOR TECH ACAD RES CT·Filed 1999·Granted Nov 7, 2000·25 cites·12 claims
- 0669US7816990B2Variable gain amplification circuitPANASONIC CORP·Filed 2004·Granted Oct 19, 2010·10 cites·8 claims
- 0751US7613440B2Mixer circuitPANASONIC CORP·Filed 2004·Granted Nov 3, 2009·3 cites·4 claims
- 0838US2009154615A1Integrated circuit for processing multi-channel radio signalHIJIKATA KATSUMASA·Filed 2007·Application pending·0 cites
- 0931US2012139633A1Semiconductor integrated circuit and tuner system including the sameNASU TAKAFUMI·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →