Inventor · disambiguated record
Sawako Usuki
Also filed as: USUKI SAWAKO
22 granted patents·1 pending application·813 citations·filing 1987–2007
97Inventor score
Top patents by PatentIndex Score
23 records- 0194US7536211B2Speaker system, mobile terminal device, and electronic devicePANASONIC CORP·Filed 2006·Granted May 19, 2009·45 cites·12 claims
- 0294US7050600B2Speaker system, mobile terminal device, and electronic deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 23, 2006·103 cites·15 claims
- 0394US6208237B1Electro-mechanical and acoustic transducer for portable terminal unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 27, 2001·172 cites·76 claims
- 0493US4868357AMicrowave heating appliance for automatically heating an object on the basis of a distinctive feature of the objectMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Sep 19, 1989·73 cites·12 claims
- 0591US7382890B2Sound reproduction device and portable terminal apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 3, 2008·58 cites·23 claims
- 0691US7106878B2Speaker and mobile terminal deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 12, 2006·56 cites·12 claims
- 0787US7120264B2Sound reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 10, 2006·39 cites·5 claims
- 0887US6920957B2Loudspeaker diaphragmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 26, 2005·39 cites·30 claims
- 0985US6658133B1Electromagnetic transducer and portable communicating deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 2, 2003·34 cites·47 claims
- 1074US7212648B2Loudspeaker system in which a diaphragm panel is driven by an electromechanical acoustic converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 1, 2007·17 cites·6 claims
- 1174US7006641B1Driving circuit, electro-mechanical-acoustic transducer, and portable terminal apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 28, 2006·15 cites·54 claims
- 1272US4899390AThin speaker having an enclosure within an open portion and a closed portionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Feb 6, 1990·44 cites·18 claims
- 1371US6920230B2Electromagnetic transducer and portable communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 19, 2005·14 cites·44 claims
- 1466US7194287B2Electric-mechanical-acoustic-transducer and portable communication device including the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 20, 2007·10 cites·16 claims
- 1564US7231058B2Electroacoustic transducer and electronic apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 12, 2007·8 cites·18 claims
- 1662US6259935B1Electro-mechanical-acoustic transducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jul 10, 2001·34 cites·23 claims
- 1759US7187779B2Electromagnetic transducer and portable communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 6, 2007·6 cites·14 claims
- 1859US6600400B1Electromagnetic electro-acoustic transducerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 29, 2003·9 cites·13 claims
- 1953US7085394B2Electro-acoustic transducer and electronic deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 1, 2006·3 cites·41 claims
- 2053US2007206830A1Electroacoustic transducer and electronic apparatusUSUKI SAWAKO·Filed 2007·Application pending·0 cites
- 2150US6856691B2Electronic apparatus including loudspeaker systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 15, 2005·1 cites·7 claims
- 2249US5073946AThin speaker having an enclosure with an open portion and a closed portionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Dec 17, 1991·19 cites·10 claims
- 2343US6671383B2Electromagnetic transducer and portable communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 30, 2003·14 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →