Inventor · disambiguated record
Akio Yokoyama
Also filed as: YOKOYAMA AKIO
13 granted patents·5 pending applications·128 citations·filing 1973–2024
91Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD12PANASONIC CORP3HONDA MOTOR CO LTD2ASAHI GLASS CO LTD1
Top patents by PatentIndex Score
18 records- 0178US6930544B2FilterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 16, 2005·20 cites·12 claims
- 0278US6512414B2Automatic filter tuning control systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jan 28, 2003·22 cites·2 claims
- 0372US2024322295A1Battery case and manufacturing method thereofHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0469US7215195B2Differential amplifier and operational amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted May 8, 2007·5 cites·4 claims
- 0568US7084797B2Delta sigma modulating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 1, 2006·16 cites·2 claims
- 0667US6954161B2Cascade delta-sigma modulatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 11, 2005·15 cites·10 claims
- 0765US2025140970A1Friction stir welding method and battery packHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0864US7271652B2Differential amplifier and operational amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Sep 18, 2007·4 cites·1 claims
- 0963US5012201AVariable impedance circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Apr 30, 1991·14 cites·13 claims
- 1062US4001384AProcess for recovery of oxides of sulfur from combustion waste gasASAHI GLASS CO LTD·Filed 1973·Granted Jan 4, 1977·21 cites·8 claims
- 1161US7405636B2Passive polyphase filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jul 29, 2008·5 cites·19 claims
- 1259US7528659B2Fully differential amplification devicePANASONIC CORP·Filed 2007·Granted May 5, 2009·4 cites·8 claims
- 1343US8912740B2Actuator driverPANASONIC CORP·Filed 2013·Granted Dec 16, 2014·0 cites·17 claims
- 1441US7116170B2Differential amplifier and calculation amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 3, 2006·2 cites·4 claims
- 1539US2006068740A1Receiver if circuit including image rejection mixer and active bandpass filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 1638US7474244B2Current addition type digital analog converterPANASONIC CORP·Filed 2007·Granted Jan 6, 2009·0 cites·14 claims
- 1737US2007129041A1ReceiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 1836US2006262230A1Receiver if system having image rejection mixer and band-pass filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →