Patents by Inventor Masami Iwahori

Masami Iwahori 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).

  • Nonaqueous electrolyte solution and nonaqueous electrolyte battery
    Patent number: 10056646
    Abstract: A nonaqueous electrolyte solution includes a lithium salt and a nonaqueous solvent that dissolves the lithium salt. The nonaqueous electrolyte solution contains from at least 0.01 ppm to not more than 100 ppm of a compound represented by the following general formula (1): R1—CR2OR3—CR22OR3??(1) (in formula (1), R1 and R3 represent an organic group having 1 to 10 carbon atoms and optionally having a substituent; R2 represents hydrogen or an organic group having 1 to 10 carbon atoms and optionally having a substituent; and R1 to R3 may each represent the same group or may each represent different groups).
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: August 21, 2018
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masami Iwahori, Yasushi Oura, Kanako Takiguchi
  • NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS ELECTROLYTE BATTERY
    Publication number: 20150004481
    Abstract: A nonaqueous electrolyte solution includes a lithium salt and a nonaqueous solvent that dissolves the lithium salt. The nonaqueous electrolyte solution contains from at least 0.01 ppm to not more than 100 ppm of a compound represented by the following general formula (1): R1—CR2OR3—CR22OR3??(1) (in formula (1), R1 and R3 represent an organic group having 1 to 10 carbon atoms and optionally having a substituent; R2 represents hydrogen or an organic group having 1 to 10 carbon atoms and optionally having a substituent; and R1 to R3 may each represent the same group or may each represent different groups).
    Type: Application
    Filed: September 19, 2014
    Publication date: January 1, 2015
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Masami Iwahori, Yasushi Oura, Kanako Takiguchi