Inventor
NITTA YOSHIAKI
JP53 patents
⚠️ This page may combine multiple inventors who share the name “NITTA YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
27 patentsUS6090505AJul 18, 2000
Negative electrode materials for non-aqueous electrolyte secondary batteries and said batteries employing the same materials
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD163 citations99
US5393622AFeb 28, 1995
Process for production of positive electrode active material
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD159 citations99
US6605386B1Aug 12, 2003
Non-aqueous electrolyte secondary battery comprising composite particles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD94 citations98
US5626635AMay 6, 1997
Processes for making positive active material for lithium secondary batteries and secondary batteries therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD101 citations97
US6882130B2Apr 19, 2005
Battery-driven electronic device and mobile communication apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations96
US5952123ASep 14, 1999
Electrode plates for lead-acid battery and their manufacturing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD50 citations95
US5168018ADec 1, 1992
Method of manufacturing zinc-alkaline batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD63 citations95
US6824920B1Nov 30, 2004
Non-aqueous electrolyte secondary battery comprising composite particles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations93
US6653019B1Nov 25, 2003
Non-aqueous electrolyte secondary cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations93
US6506520B1Jan 14, 2003
Non-aqueous electrolyte secondary battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations93
US6821675B1Nov 23, 2004
Non-Aqueous electrolyte secondary battery comprising composite particles
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD29 citations92
US6548208B1Apr 15, 2003
Non-aqueous electrolyte secondary battery and its negative electrode
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations92
US6440606B1Aug 27, 2002
Nonaqueous electrolyte battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations92
US6420070B1Jul 16, 2002
Nonaqueous electrolyte secondary battery and its anode
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32 citations92
US5128222AJul 7, 1992
Zinc-alkaline batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD35 citations92
US6881518B2Apr 19, 2005
Process for manufacture of negative electrode material for a non-aqueous electrolyte secondary battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations84
US6410188B1Jun 25, 2002
Non-aqueous electrolyte secondary cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations84
US7378192B2May 27, 2008
Nonaqueous electrolyte battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US6911282B2Jun 28, 2005
Non-aqueous electrolyte secondary battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6761998B2Jul 13, 2004
Non-aqueous electrolyte secondary cell
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US7122278B1Oct 17, 2006
Non-aqueous electrolyte secondary battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US6576366B1Jun 10, 2003
Non-aqueous electrolyte secondary cell, and material for negative electrode used therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US5308374AMay 3, 1994
Method of manufacturing zinc-alkaline batteries
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations73
US6770400B2Aug 3, 2004
Negative electrode material for nonaqueous electrolyte secondary battery and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72
US5770173AJun 23, 1998
Method of producing cathode active material for non-aqueous electrolyte secondary battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations69
US6593030B2Jul 15, 2003
Non-aqueous electrolyte secondary battery
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US6027832AFeb 22, 2000
Lead acid storage battery and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
SAMSUNG SDI CO LTD
5 patentsUS7517614B2Apr 14, 2009
Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
SAMSUNG SDI CO LTD26 citations92
US7432015B2Oct 7, 2008
Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
SAMSUNG SDI CO LTD31 citations92
US7781103B2Aug 24, 2010
Negative active material for lithium secondary battery and negative electrode and lithium secondary battery comprising same
SAMSUNG SDI CO LTD8 citations84
US7972724B2Jul 5, 2011
Negative electrode for lithium secondary battery and lithium secondary battery comprising same
SAMSUNG SDI CO LTD3 citations62
US9012082B2Apr 21, 2015
Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
SAMSUNG SDI CO LTD1 citations52
NISSAN MOTOR
4 patentsUS10270127B2Apr 23, 2019
Nonaqueous electrolyte secondary battery
NISSAN MOTOR2 citations72
US10033033B2Jul 24, 2018
Non-aqueous electrolyte secondary battery
NISSAN MOTOR2 citations71
US10186693B2Jan 22, 2019
Flat secondary battery
NISSAN MOTOR1 citations57
US9608261B2Mar 28, 2017
Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same
NISSAN MOTOR1 citations50
PANASONIC CORP
2 patentsSHEEM KYOU-YOON
2 patentsUS8440352B2May 14, 2013
Negative active material for lithium secondary battery and negative electrode and lithium secondary battery comprising same
SHEEM KYOU-YOON4 citations62
US8110168B2Feb 7, 2012
Negative active material for lithium secondary battery and negative electrode and lithium secondary battery comprising same
SHEEM KYOU-YOON0 citations51
ENVISION AESC JAPAN LTD
2 patentsMITSUBISHI CHEM CORP
1 patentLEE SANG-MIN
1 patentSUMITOMO METAL IND
1 patentKOTOBUKI SANGYO
1 patentSUGA SOHEI
1 patentCHO CHUNG-KUN
1 patentMATSUYAMA CHIZURU
1 patentOBIKA MOTOHARU
1 patentShowing the top 50 of 53 patents by PatentIndex Score.