Patents by Inventor Kenichi NAGARA

Kenichi NAGARA 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).

  • METHOD FOR KNEADING RUBBER
    Publication number: 20230135651
    Abstract: A method for kneading rubber has a first step of preparing a reference rubber composition and measuring a spring property of reference crosslinked rubber obtained by crosslinking the reference rubber composition, a second step of preparing a target rubber composition and measuring a spring property of target crosslinked rubber obtained by crosslinking the target rubber composition, and a third step of comparing the spring property of the target crosslinked rubber with the spring property of the reference crosslinked rubber to set one or more of a compounding condition and a squeezing condition that is adopted in the case of kneading the target lot of the raw rubber in a product composition.
    Type: Application
    Filed: September 7, 2022
    Publication date: May 4, 2023
    Applicant: Sumitomo Riko Company Limited
    Inventors: Kenichi NAGARA, Takayuki MATSUBARA, Yuta OZAKI, Chiaki UCHIYAMA, So KUGUMIYA