Patents by Inventor Mitsuhiko Samata

Mitsuhiko Samata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Positive electrode for battery, and battery
    Patent number: 10211460
    Abstract: A positive electrode for a battery includes a positive active material, a conductive agent, and a copolymer. The copolymer includes a constituent unit (a) represented by the following general formula (1) and a constituent unit (b) represented by the following general formula (2): (wherein R1, R2, R3, R5, R6, R7 and R9 are the same or different and denote a hydrogen atom, a methyl group or an ethyl group, R4 denotes a hydrocarbon group having 8 to 30 carbon atoms, R8 denotes a linear or branched alkylene group having 2 to 4 carbon atoms, X1 and X2 denote an oxygen atom or NH, and p denotes a number of 1 to 50).
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: February 19, 2019
    Assignee: GS Yuasa International Ltd.
    Inventors: Kazuo Kuwahara, Shuichi Inaya, Yuichi Ito, Kohei Tsujita, Mitsuhiko Samata
  • POSITIVE ELECTRODE FOR BATTERY, AND BATTERY
    Publication number: 20150028264
    Abstract: A positive electrode for a battery includes a positive active material, a conductive agent, and a copolymer. The copolymer includes a constituent unit (a) represented by the following general formula (1) and a constituent unit (b) represented by the following general formula (2): (wherein R1, R2, R3, R5, R6, R7 and R9 are the same or different and denote a hydrogen atom, a methyl group or an ethyl group, R4 denotes a hydrocarbon group having 8 to 30 carbon atoms, R8 denotes a linear or branched alkylene group having 2 to 4 carbon atoms, X1 and X2 denote an oxygen atom or NH, and p denotes a number of 1 to 50.
    Type: Application
    Filed: April 2, 2013
    Publication date: January 29, 2015
    Inventors: Kazuo Kuwahara, Shuichi Inaya, Yuichi Ito, Kohei Tsujita, Mitsuhiko Samata