Patents by Inventor Akira Tamai

Akira Tamai 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: 11331876
    Abstract: The present invention provides an electrically insulating resin composition comprising a polysulfone resin including a plurality of sulfonyl groups in the molecule and a polyamide resin, wherein the proportion of the polyamide resin is 1 to 45% by mass. The present invention also provides a laminate sheet obtained by bonding a plurality of sheet materials with a resin composition layer interposed therebetween, wherein the resin composition layer comprises a polysulfone resin including a plurality of sulfonyl groups in the molecule and a polyamide resin, and the proportion of the polyamide resin is 1 to 45% by mass.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: May 17, 2022
    Assignees: NITTO SHINKO CORPORATION, NITTO DENKO CORPORATION
    Inventors: Yasuyuki Kihara, Akira Tamai, Hiroichi Ukei, Tomoyuki Kasagi, Mizuki Yamamoto
  • Publication number: 20160303821
    Abstract: The present invention provides an electrically insulating resin composition comprising a polysulfone resin including a plurality of sulfonyl groups in the molecule and a polyamide resin, wherein the proportion of the polyamide resin is 1 to 45% by mass. The present invention also provides a laminate sheet obtained by bonding a plurality of sheet materials with a resin composition layer interposed therebetween, wherein the resin composition layer comprises a polysulfone resin including a plurality of sulfonyl groups in the molecule and a polyamide resin, and the proportion of the polyamide resin is 1 to 45% by mass.
    Type: Application
    Filed: June 24, 2016
    Publication date: October 20, 2016
    Applicants: NITTO SHINKO CORPORATION, NITTO DENKO CORPORATION
    Inventors: Yasuyuki KIHARA, Akira TAMAI, Hiroichi UKEI, Tomoyuki KASAGI, Mizuki YAMAMOTO
  • Publication number: 20140048309
    Abstract: The present invention aims to provide a three-dimensionally shaped electrically insulating product having excellent formability in the process of three-dimensional formation and electrical insulation properties that are suppressed from deteriorating. Provided is a three-dimensionally shaped electrically insulating product formed by subjecting a sheet material having electrical insulation properties at least to a bending process, in which the sheet material includes a resin layer in the form of a sheet containing a thermoplastic resin having nitrogen or sulfur in a molecule and a protective layer in the form of a sheet disposed on each of both sides of the resin layer.
    Type: Application
    Filed: April 11, 2012
    Publication date: February 20, 2014
    Applicants: NITTO SHINKO CORPORATION, NITTO DENKO CORPORATION
    Inventors: Yasuyuki Kihara, Noburo Tambo, Hiroyuki Makida, Akira Tamai, Hiroichi Ukei, Tomoyuki Kasagi, Yoshiko Kira
  • Publication number: 20130115844
    Abstract: The present invention provides an electrically insulating resin composition including a polysulfone resin including a plurality of sulfonyl groups in the molecule and a polyamide resin, wherein the proportion of the polyamide resin is 1 to 45% by mass. The present invention also provides a laminate sheet obtained by bonding a plurality of sheet materials with a resin composition layer interposed therebetween, wherein the resin composition layer includes a polysulfone resin including a plurality of sulfonyl groups in the molecule and a polyamide resin, and the proportion of the polyamide resin is 1 to 45% by mass.
    Type: Application
    Filed: July 8, 2011
    Publication date: May 9, 2013
    Applicants: NITTO DENKO CORPORATION, NITTO SHINKO CORPORATION
    Inventors: Yasuyuki Kihara, Akira Tamai, Hiroichi Ukei, Tomoyuki Kasagi, Mizuki Yamamoto