Patents by Inventor Hikaru AIMI

Hikaru AIMI 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).

  • ORGANIC EXPANDER FOR LEAD STORAGE BATTERIES, AND METHOD FOR PRODUCING SAME
    Publication number: 20230038014
    Abstract: An organic expander for lead storage batteries and a method for producing the same wherein: an organic expander for lead storage batteries containing lignosulfonate, in which a content of reducing sugars per solid content is 5% by mass or less of the total, and a content of a substance with a molecular weight of 5,000 or less per solid content is 30% by mass or less of the total; and a method for producing the organic expander for lead storage batteries, the method including a step of subjecting a sulfite cooking black liquor to ultrafiltration treatment using an ultrafiltration membrane to recover a concentrated liquor of the sulfite cooking black liquor obtained.
    Type: Application
    Filed: March 8, 2021
    Publication date: February 9, 2023
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Hiroki SHINDO, Yoshito NISHIMORI, Hikaru AIMI
  • Organic expander for lead storage battery
    Patent number: 11251434
    Abstract: An organic expander for a lead storage battery, the organic expander containing lignin in which the methoxy group content relative to the solid content is 3 to 20 mass %, wherein the organic expander contains an organic acid in an amount of 0.0001 to 5 mass % relative to the solid content of the organic expander. It is possible to improve charge acceptance while maintaining the discharge characteristics of the lead storage battery.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: February 15, 2022
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Shigeki Yokoyama, Hikaru Aimi
  • ORGANIC EXPANDER FOR LEAD STORAGE BATTERY
    Publication number: 20210265635
    Abstract: An organic expander for a lead storage battery, the organic expander containing lignin in which the methoxy group content relative to the solid content is 3 to 20 mass %, wherein the organic expander contains an organic acid in an amount of 0.0001 to 5 mass % relative to the solid content of the organic expander. It is possible to improve charge acceptance while maintaining the discharge characteristics of the lead storage battery.
    Type: Application
    Filed: July 8, 2019
    Publication date: August 26, 2021
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Shigeki YOKOYAMA, Hikaru AIMI