Patents by Inventor Shinichirou KUMAGAI

Shinichirou KUMAGAI 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).

  • RUBBER BEARING
    Publication number: 20170211288
    Abstract: Provided is a rubber bearing formed from a polychloroprene composition and having higher ozone resistance. The rubber bearing comprises a laminate prepared by alternately laminating a plurality of soft layers having rubber elasticity and a plurality of hard layers having rigidity, and a covering layer covering an outer peripheral part of the laminate. The soft layer comprises a rubber composition containing a polychloroprene, and the covering layer comprises a blend rubber composition containing 30 to 95 parts by mass of a polychloroprene and 70 to 5 parts by mass of an elastomer other than the polychloroprene.
    Type: Application
    Filed: September 29, 2015
    Publication date: July 27, 2017
    Applicant: DENKA COMPANY LIMITED
    Inventors: Yasushi KAMIHIGASHI, Shinichirou KUMAGAI, Takumi NISHIMURA, Koji FUJITA, Takehiro TOMITA, Tatsuji MATSUMOTO, Yasuhiko KONDO, Yasuchika ITO, Takashi SUNADA, Nobuhiko FUJII, Hideki TOYA, Yasushi ABE