Patents by Inventor Porraphon TANTITARNTONG

Porraphon TANTITARNTONG 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).

  • Patent number: 11749805
    Abstract: The present invention relates to a liquid composition for forming an electrochemical device contains one or both of an active material or an electrolyte; a dispersion medium; and a polymer, wherein the polymer contains constituent units having one or both of an amide bond or an imide bond, and having a group represented by a following general formula (I): wherein X is an oxygen atom, or a carbon atom substituted with a hydrogen atom or an alkyl group, wherein R1, R2, R3, and R4 are each independently hydrogen atoms, substituted or unsubstituted alkyl groups, or substituted or unsubstituted cycloalkyl groups, and m and n are positive integers.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: September 5, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Toshiya Sagisaka, Hiromichi Kuriyama, Satoshi Nakajima, Porraphon Tantitarntong
  • Publication number: 20220302454
    Abstract: Provided is a liquid composition containing an active substance, and a dispersion medium having a relative permittivity of 30 or lower at 25 degrees C.
    Type: Application
    Filed: March 12, 2022
    Publication date: September 22, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Satoshi NAKAJIMA, Hiromichi Kuriyama, Tomomasa Kajita, Toshiya Sagisaka, Porraphon Tantitarntong
  • Publication number: 20210234171
    Abstract: The present invention relates to a liquid composition for forming an electrochemical device contains one or both of an active material or an electrolyte; a dispersion medium; and a polymer, wherein the polymer contains constituent units having one or both of an amide bond or an imide bond, and having a group represented by a following general formula (I): wherein X is an oxygen atom, or a carbon atom substituted with a hydrogen atom or an alkyl group, wherein R1, R2, R3, and R4 are each independently hydrogen atoms, substituted or unsubstituted alkyl groups, or substituted or unsubstituted cycloalkyl groups, and m and n are positive integers.
    Type: Application
    Filed: January 26, 2021
    Publication date: July 29, 2021
    Inventors: Toshiya SAGISAKA, Hiromichi KURIYAMA, Satoshi NAKAJIMA, Porraphon TANTITARNTONG