Inventor · disambiguated record
Akihiko Yoshida
Also filed as: KANAI TEIJIRO · NISHINO ATSUSHI · YOSHIDA AKIHIKO
96 granted patents·19 pending applications·1,855 citations·filing 1975–2025
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD48HITACHI LTD9NGK INSULATORS LTD6PANASONIC CORP6TAKAHASHI YOSUKE6
Top patents by PatentIndex Score
115 records- 0197US4737889APolarizable electrode body and method for its makingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Apr 12, 1988·109 cites·39 claims
- 0296US5150283AElectric double layer capacitor and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Sep 22, 1992·184 cites·18 claims
- 0396US4562511AElectric double layer capacitorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Dec 31, 1985·166 cites·22 claims
- 0495US5889459AMetal oxide film resistorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Mar 30, 1999·103 cites·9 claims
- 0594US5450279AElectric double layer capacitorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 12, 1995·124 cites·7 claims
- 0693US4597028AElectric double layer capacitor and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Jun 24, 1986·68 cites·15 claims
- 0790US4184192ASolid electrolyte compacitor using low resistivity metal oxide as cathode collectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Jan 15, 1980·37 cites·19 claims
- 0886US6818339B1Polymer electrolyte type fuel cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Nov 16, 2004·30 cites·18 claims
- 0986US5381303AElectric double layer capacitor and method for manufacture thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jan 10, 1995·70 cites·11 claims
- 1084US8307455B2Decryption-key distribution method and authentication apparatusTAKAHASHI YOSUKE·Filed 2011·Granted Nov 6, 2012·8 cites·10 claims
- 1184US8228892B2Synchronous delivery methodTAKAHASHI YOSUKE·Filed 2005·Granted Jul 24, 2012·11 cites·10 claims
- 1284US8036652B2Radio access point testing apparatusHITACHI LTD·Filed 2011·Granted Oct 11, 2011·6 cites·9 claims
- 1384US4276128AHumidity sensing element of electric capacitance change type and method of producing sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Jun 30, 1981·35 cites·14 claims
- 1484US4186423ASolid electrolyte capacitor using oxide of Ru, Rh, Re, Os or Ir as electrolyteMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Jan 29, 1980·24 cites·14 claims
- 1584US4105513ASolid electrolyte capacitor having metallic cathode collector in direct contact with manganese dioxide electrolyte and method of producing sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1976·Granted Aug 8, 1978·34 cites·16 claims
- 1683US8071243B2Fuel cell systemSUGAWARA YASUSHI·Filed 2006·Granted Dec 6, 2011·6 cites·16 claims
- 1782US7473486B2Catalyst-coated membrane, membrane-electrode assembly, and polymer electrolyte fuel cellPANASONIC CORP·Filed 2005·Granted Jan 6, 2009·5 cites·5 claims
- 1882US5346523AMethod of molding chalcogenide glass lensesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Sep 13, 1994·33 cites·4 claims
- 1981US7150934B2Electrolyte film electrode union, fuel cell containing the same and process for producing themMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 19, 2006·17 cites·6 claims
- 2080US6991870B2Gas diffusion electrode and fuel cell using thisMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 31, 2006·18 cites·10 claims
- 2180US5403616AMethod for forming patterned transparent conducting filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 4, 1995·45 cites·15 claims
- 2278US7990939B2Information transmitting method and information transmitting systemHITACHI LTD·Filed 2010·Granted Aug 2, 2011·3 cites·10 claims
- 2378US7560180B2Gas diffusion layer and fuel cell using the samePANASONIC CORP·Filed 2005·Granted Jul 14, 2009·3 cites·12 claims
- 2478US5161908AJoined structure comprising members of different coefficients of thermal expansion and joining method thereofNGK INSULATORS LTD·Filed 1988·Granted Nov 10, 1992·30 cites·11 claims
- 2577US7220514B2Polymer electrolyte fuel cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 22, 2007·14 cites·10 claims
- 2676US7622215B2Composite electrolyte membrane, catalyst-coated membrane assembly, membrane-electrode assembly and polymer electrolyte fuel cellPANASONIC CORP·Filed 2005·Granted Nov 24, 2009·3 cites·9 claims
- 2776US6559590B1Paint for heat absorbing film, heat absorbing film and color CRTSONY CORP·Filed 2000·Granted May 6, 2003·15 cites·25 claims
- 2876US4921686AMethod of carbonizing and activating fiber materialsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted May 1, 1990·19 cites·5 claims
- 2975US7060384B2Polymer electrolyte fuel cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 13, 2006·13 cites·10 claims
- 3075US6168869B1Anti-microbial aluminum product and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jan 2, 2001·26 cites·15 claims
- 3175US4042420AMethod of producing manganese oxide solid electrolyte capacitorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1975·Granted Aug 16, 1977·18 cites·14 claims
- 3274US8185159B2Wireless communication systemITAMIYA TAKASHI·Filed 2010·Granted May 22, 2012·6 cites·8 claims
- 3374US5194337AGlass joint body and method of manufacturing the sameNGK INSULATORS LTD·Filed 1991·Granted Mar 16, 1993·28 cites·4 claims
- 3474US4282480AApparatus for humidity detectionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Aug 4, 1981·24 cites·27 claims
- 3573US8175598B2Wireless communication systemKUBO SHIGEYASU·Filed 2010·Granted May 8, 2012·4 cites·7 claims
- 3673US7996033B2Radio communication system and base stationHITACHI COMM TECH LTD·Filed 2008·Granted Aug 9, 2011·4 cites·4 claims
- 3773US7687184B2Membrane electrode assembly with a fibrous substrate, method for producing the same and polymer electrolyte fuel cellPANASONIC CORP·Filed 2005·Granted Mar 30, 2010·2 cites·12 claims
- 3873US7201993B2Polymer electrolyte fuel cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 10, 2007·9 cites·4 claims
- 3973US4217623AHumidity sensor of capacitance change typeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1978·Granted Aug 12, 1980·23 cites·22 claims
- 4072US7859532B2Generating character images based upon display conditionsSQUARE ENIX KK·Filed 2007·Granted Dec 28, 2010·7 cites·20 claims
- 4171US8238927B2OFDM cellular communication method, system and base stationSAITO TOSHIYUKI·Filed 2007·Granted Aug 7, 2012·5 cites·23 claims
- 4271US7097932B1Polymer electrolytic fuel cell and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Aug 29, 2006·8 cites·8 claims
- 4370US7455703B2Method for manufacturing polymer electrolyte fuel cellPANASONIC CORP·Filed 2006·Granted Nov 25, 2008·1 cites·9 claims
- 4470US5315434AInfrared-transmissive lens and human body detecting sensor using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted May 24, 1994·32 cites·8 claims
- 4569US8264986B2Wireless communication network, method of generating neighbor list in the wireless communication network, and control device thereforNAGANO RUMIKO·Filed 2010·Granted Sep 11, 2012·5 cites·6 claims
- 4669US5578248AComposition for use in a transparent and electrically conductive film and a method for making the filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Nov 26, 1996·23 cites·8 claims
- 4768US8121084B2Area management systemYOSHIDA AKIHIKO·Filed 2010·Granted Feb 21, 2012·2 cites·4 claims
- 4868US7724724B2Radio communication apparatusHITACHI LTD·Filed 2004·Granted May 25, 2010·10 cites·12 claims
- 4968US4148131AMethod for manufacturing a solid electrolytic capacitorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1977·Granted Apr 10, 1979·14 cites·3 claims
- 5067US7316860B2Polymer electrolyte fuel cell and production method of the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jan 8, 2008·6 cites·1 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →