Patents by Inventor Tetsushi KIJIMA

Tetsushi KIJIMA 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).

  • Publication number: 20200270414
    Abstract: A sealing member includes: a rubber base material; and a coating provided on the rubber base material and having a melting point of 50° C. or higher, wherein the coating contains a polymer containing an acrylic acid ester containing a perfluoroalkyl group or a methacrylic acid ester containing a perfluoroalkyl group, as a monomer.
    Type: Application
    Filed: May 12, 2020
    Publication date: August 27, 2020
    Applicant: NOK CORPORATION
    Inventors: Akiko KOGA, Norihiro HAMADA, Taisuke MATSUDA, Tetsushi KIJIMA
  • Publication number: 20190233564
    Abstract: A fluorine-containing copolymer comprises, as copolymer units, (A) a polyfluoroalkyl alcohol (meth)acrylic acid derivative represented by the general formula: CnF2n+1(CH2CF2)a(CF2CF2)b(CH2CH2)cOCOCR?CH2 [I] (R: a hydrogen atom or a methyl group, n:1 to 6, a:1 to 4, b:1 to 3, c:1 to 3), (B) a non-fluorine (meth)acrylic acid ester represented by the general formula: CH2?CRCOOR3 [III] (R is a hydrogen atom or a methyl group, and R3 is a C1-C30 linear, branched, or cyclic hydrocarbon group that may contain an oxygen atom); and (C) a functional group-containing (meth)acrylic acid or an ester thereof represented by the following general formula: CH2?CRCOO(H)p(R4Y)q [IV] (R: a hydrogen atom or a methyl group, p, q:0 or 1, p+q:1, R4: a C1-C30 linear, branched, or cyclic hydrocarbon group that may have an oxygen atom, Y: a phosphate group or an epoxy group), wherein the component (C) is copolymerized at a ratio of 0.01 to 5 wt. % in the entire copolymer.
    Type: Application
    Filed: October 27, 2017
    Publication date: August 1, 2019
    Applicant: Unimatec Co., Ltd.
    Inventor: Tetsushi KIJIMA