Jianjun Ma

4 Patents

• US122308002025

  Secondary Battery and Apparatus Containing the Secondary Battery

  CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

  0 cites
• US120341532024

  Secondary Battery, Process for Preparing the Same and Apparatus Containing the Secondary Battery

  Contemporary Amperex Technology Co., Limited

  0 cites
• US117843112023

  Secondary Battery and Apparatus Containing the Secondary Battery

  Contemporary Amperex Technology Co., Limited

  0 cites
• US116644952023

  Negative Electrode Plate, Secondary Battery, Battery Module, Battery Pack, and Apparatus

  Contemporary Amperex Technology Co., Limited

  0 cites