Learn more

HITACHI VEHICLE ENERGY LTD

Overview
  • Total Patents
    785
  • GoodIP Patent Rank
    205,072
About

HITACHI VEHICLE ENERGY LTD has a total of 785 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and transport are ALL WIN GREEN POWER TECHNOLOGY CORP, SHENZHEN OPTIMUMNANO ENERGY CO LTD and VEHICLE ENERGY JAPAN INC.

Patent filings per year

Chart showing HITACHI VEHICLE ENERGY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kudo Akihiko 67
#2 Emori Akihiko 62
#3 Ishizu Takenori 54
#4 Aota Kinya 44
#5 Sasaki Takashi 43
#6 Nakai Kenji 40
#7 Tsunaki Takuro 37
#8 Suzuki Katsunori 37
#9 Kojima Akira 34
#10 Urano Kazuaki 33

Latest patents

Publication Filing date Title
JP2014150074A Rectangular lithium secondary battery
JP2014103125A Square secondary battery
JP2014072190A Square secondary battery
JP2014003030A Lithium ion secondary battery
JP2013232439A Flat wound secondary battery and method for manufacturing the same
JP2014150047A Electricity storage element
JP2013219061A Secondary battery
JP2013235827A Battery block and secondary battery module
JP2014179289A Power storage module
JP2014179228A Battery pack
JP2014175209A Power storage module
JP2014170671A Square storage element
US2015346285A1 Device for Assessing Extent of Degradation of Secondary Battery
JP2014167862A Power storage element
JP2014164805A Secondary battery
JP2014161145A Secondary battery and secondary battery module
WO2014125641A1 Battery block and secondary battery module
JP2014157722A Battery pack
WO2014125578A1 Secondary battery and secondary battery module
WO2014122721A1 Cell control device