Inventor
YOSHIDA AKIHIKO
JP97 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA AKIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
36 patentsUS5150283ASep 22, 1992
Electric double layer capacitor and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD184 citations97
US5889459AMar 30, 1999
Metal oxide film resistor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD103 citations96
US5450279ASep 12, 1995
Electric double layer capacitor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD124 citations96
US4737889AApr 12, 1988
Polarizable electrode body and method for its making
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD109 citations96
US4597028AJun 24, 1986
Electric double layer capacitor and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD68 citations96
US4562511ADec 31, 1985
Electric double layer capacitor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD166 citations96
US5381303AJan 10, 1995
Electric double layer capacitor and method for manufacture thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD70 citations95
US6818339B1Nov 16, 2004
Polymer electrolyte type fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations93
US4184192AJan 15, 1980
Solid electrolyte compacitor using low resistivity metal oxide as cathode collector
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations93
US6168869B1Jan 2, 2001
Anti-microbial aluminum product and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US5961919AOct 5, 1999
Deodorizing and sterilizing device having catalyst deterioration sensing function
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US5667888ASep 16, 1997
Color filters and methods of manufacturing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US5578248ANov 26, 1996
Composition for use in a transparent and electrically conductive film and a method for making the film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US5406852AApr 18, 1995
Pressure sensor having a resistor element on a glass dryer with electrodes connected thereto
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations92
US5403616AApr 4, 1995
Method for forming patterned transparent conducting film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations92
US5245492ASep 14, 1993
Magnetic head
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US5242722ASep 7, 1993
Strain sensor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US5346523ASep 13, 1994
Method of molding chalcogenide glass lenses
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations91
US5315434AMay 24, 1994
Infrared-transmissive lens and human body detecting sensor using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations91
US4276128AJun 30, 1981
Humidity sensing element of electric capacitance change type and method of producing same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations91
US4105513AAug 8, 1978
Solid electrolyte capacitor having metallic cathode collector in direct contact with manganese dioxide electrolyte and method of producing same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations89
US7220514B2May 22, 2007
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84
US7150934B2Dec 19, 2006
Electrolyte film electrode union, fuel cell containing the same and process for producing them
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US7060384B2Jun 13, 2006
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations84
US6991870B2Jan 31, 2006
Gas diffusion electrode and fuel cell using this
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84
US4217623AAug 12, 1980
Humidity sensor of capacitance change type
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations82
US4186423AJan 29, 1980
Solid electrolyte capacitor using oxide of Ru, Rh, Re, Os or Ir as electrolyte
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations82
US4282480AAug 4, 1981
Apparatus for humidity detection
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations79
US7201993B2Apr 10, 2007
Polymer electrolyte fuel cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US7097932B1Aug 29, 2006
Polymer electrolytic fuel cell and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US5998011ADec 7, 1999
Composition for use in a transparent and electrically conductive film and a method for making the film
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5224001AJun 29, 1993
Magnetic head
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US5181947AJan 26, 1993
Method for manufacturing a glass fiber
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US4921686AMay 1, 1990
Method of carbonizing and activating fiber materials
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations74
US4814145AMar 21, 1989
Apparatus for carbonizing and activating fiber materials
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations74
US4046645ASep 6, 1977
Method of manufacturing solid electrolytic capacitor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
NGK INSULATORS LTD
5 patentsUS5194337AMar 16, 1993
Glass joint body and method of manufacturing the same
NGK INSULATORS LTD28 citations92
US5161908ANov 10, 1992
Joined structure comprising members of different coefficients of thermal expansion and joining method thereof
NGK INSULATORS LTD30 citations92
US5380596AJan 10, 1995
Glass joint body and method of manufacturing the same
NGK INSULATORS LTD9 citations74
US5163770ANov 17, 1992
Method of bonding members having different coefficients of thermal expansion
NGK INSULATORS LTD12 citations74
US4959258ASep 25, 1990
Joined metal-ceramic assembly method of preparing the same
NGK INSULATORS LTD11 citations74
TAKAHASHI YOSUKE
2 patentsSHINETSU CHEMICAL CO
2 patentsZEXEL CORP
1 patentSHOWA SHELL SEKIYU
1 patentHITACHI LTD
1 patentSONY CORP
1 patentTOKYO ELECTRIC POWER CO
1 patentShowing the top 50 of 97 patents by PatentIndex Score.