Inventor · disambiguated record
Hirokuni Fujiyama
Also filed as: FUJIYAMA HIROKUNI
11 granted patents·1 pending application·59 citations·filing 2000–2014
88Inventor score
Top patents by PatentIndex Score
12 records- 0189US7587010B2Complex filter circuit and receiver circuitPANASONIC CORP·Filed 2005·Granted Sep 8, 2009·19 cites·18 claims
- 0264US8093881B2Reference voltage generation circuit with start-up circuitFUJIYAMA HIROKUNI·Filed 2011·Granted Jan 10, 2012·6 cites·11 claims
- 0361US7688059B2Filter characteristic adjusting apparatus and filter characteristic adjusting methodPANASONIC CORP·Filed 2005·Granted Mar 30, 2010·4 cites·7 claims
- 0461US7477099B2Filter adjustment circuitPANASONIC CORP·Filed 2005·Granted Jan 13, 2009·4 cites·23 claims
- 0560US6714075B2Variable gain amplifier and filter circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 30, 2004·8 cites·20 claims
- 0659US6970313B1Write compensation circuit and signal interpolation circuit of recording deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 29, 2005·7 cites·3 claims
- 0755US7523154B2Write compensation circuit and signal interpolation circuit of recording devicePANASONIC CORP·Filed 2005·Granted Apr 21, 2009·0 cites·5 claims
- 0852US6882207B2Offset control circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 19, 2005·7 cites·11 claims
- 0950US6784654B2Signal reproduction blockMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 31, 2004·1 cites·8 claims
- 1044US6745218B1Adaptive digital filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jun 1, 2004·3 cites·7 claims
- 1143US9236857B2Voltage detection circuitPANASONIC CORP·Filed 2014·Granted Jan 12, 2016·0 cites·15 claims
- 1229US2012262146A1Reference-voltage generation circuitMORITA AYAKO·Filed 2012·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →