Inventor
OKADA YUKIHIRO
JP65 patents
⚠️ This page may combine multiple inventors who share the name “OKADA YUKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
15 patentsUS5773169AJun 30, 1998
Active material and positive electrode for alkaline storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93
US5744259AApr 28, 1998
Nickel positive electrode for alkaline storage battery and sealed nickel-metal hydride storage battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93
US7358008B2Apr 15, 2008
Electrochemical device including electrolyte
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations92
US7081317B2Jul 25, 2006
Polymer electrolyte thin film fuel cell and method of operating the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US5621260AApr 15, 1997
Coreless motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US6836045B2Dec 28, 2004
Electrical motor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations91
US5673152ASep 30, 1997
Optical pickup comprising a heat-insulating material
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations91
US6417583B1Jul 9, 2002
Linear actuator with movable magnets
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations84
US6562516B2May 13, 2003
Nickel positive electrode for alkaline storage batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6144188ANov 7, 2000
Method for detecting fully charged condition of secondary battery and detector using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations74
US6066416AMay 23, 2000
Nickel hydroxide positive electrode active material having a surface layer containing a solid solution nickel hydroxide with manganese incorporated therein
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US7438990B2Oct 21, 2008
Electrochemical device including electrolyte
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US6756148B2Jun 29, 2004
Fuel cell system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US6790558B2Sep 14, 2004
Electrode alloy powder and method of producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72
US6517326B2Feb 11, 2003
Blowing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
PANASONIC CORP
11 patentsUS7670705B2Mar 2, 2010
Fuel cell system with purifying apparatus
PANASONIC CORP20 citations92
US7514174B2Apr 7, 2009
Electrochemical device including electrolyte
PANASONIC CORP13 citations92
US7498097B2Mar 3, 2009
Fuel cell and production method thereof
PANASONIC CORP12 citations84
US7604887B2Oct 20, 2009
Electrolyte membrane, membrane electrode assembly using this and fuel cell
PANASONIC CORP14 citations83
US8044547B2Oct 25, 2011
Radial-direction gap type magnet motor
PANASONIC CORP2 citations63
US7985495B2Jul 26, 2011
Assembled battery, power-supply system and production method of assembled battery
PANASONIC CORP3 citations63
US7582371B2Sep 1, 2009
Fuel cell system having fuel and water controlling means
PANASONIC CORP6 citations63
US8371021B2Feb 12, 2013
Manufacturing method of rare earth-iron ring magnet with continuous orientation controlled anisotropy
PANASONIC CORP0 citations52
US8354187B2Jan 15, 2013
Secondary battery and method for producing the same
PANASONIC CORP1 citations52
USRE41695ESep 14, 2010
Fuel cell system
PANASONIC CORP0 citations52
US7759833B2Jul 20, 2010
Permanent magnet rotator and motor using the same
PANASONIC CORP1 citations52
TOYOTA MOTOR CO LTD
4 patentsUS10297814B2May 21, 2019
Lithium ion secondary battery
TOYOTA MOTOR CO LTD2 citations72
US10522816B2Dec 31, 2019
Lithium secondary battery
TOYOTA MOTOR CO LTD1 citations63
US10263294B2Apr 16, 2019
Lithium ion secondary battery
TOYOTA MOTOR CO LTD1 citations62
US10115959B2Oct 30, 2018
Method of manufacturing non-aqueous liquid electrolyte secondary battery
TOYOTA MOTOR CO LTD1 citations51
OKADA YUKIHIRO
3 patentsUS8999585B2Apr 7, 2015
Nonaqueous electrolyte secondary battery
OKADA YUKIHIRO2 citations61
US8323826B2Dec 4, 2012
Sealed secondary battery
OKADA YUKIHIRO5 citations61
US8195062B2Jun 5, 2012
Electrically conducting structure and electrical apparatus provided with electrically conducting structure
OKADA YUKIHIRO0 citations50
FUJITSU LTD
2 patentsTAKAHATA KOJI
2 patentsUEKI TOMOYOSHI
2 patentsMATSUSHITA ELECTRIC IND CO L T
1 patentAKIYAMA TAKASHI
1 patentNAGAI HIROKI
1 patentMORITA MASAHIRO
1 patentNIPPON DENKI HOME ELECTRONICS
1 patentLI HU
1 patentCANON KK
1 patentHOJO NOBUHIKO
1 patentNARIHARA KOJI
1 patentMURAOKA YOSHIYUKI
1 patentUNIV GUNMA NAT UNIV CORP
1 patentShowing the top 50 of 65 patents by PatentIndex Score.