Patents by Inventor Ken Kitagawa

Ken Kitagawa 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).

  • STATOR
    Publication number: 20240146140
    Abstract: In this stator, lead wire extended portions and a power wire extended portion are extended from a resin portion by an extended portion separating portion such that the lead wire extended portions are separated from the power wire extended portion by distances that are greater than a maximum value of the width of clearance between an end-side portion of the lead wire extended portion and a facing portion located next to the end-side portion, the resin portion being provided so as to cover lead wire portions and a power wire portion.
    Type: Application
    Filed: February 1, 2022
    Publication date: May 2, 2024
    Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATION
    Inventors: Toshiya SUGIYAMA, Munehiro TAKAHASHI, Keisuke KIMURA, Ken TAKEDA, Takahito NOZAWA, Takashi MATSUMOTO, Yoshitada YAMAGISHI, Katsuhide KITAGAWA, Hajime KATO
  • Method of forming the spacer of an optical fiber cable
    Patent number: 4814133
    Abstract: A method for forming a spacer of an optical fiber cable includes the steps of providing a tension member and covering it with a spacer body of crystalline thermoplastic resin, the spacer body being formed on its outer periphery with a plurality of grooves each for supporting an optical fiber therein. An apparent diameter d0 of the tension member and a target diameter d3 of the spacer body measured at bottoms of the grooves are so determined as to satisfy an expression 0.5<d0/d3<1.
    Type: Grant
    Filed: March 29, 1988
    Date of Patent: March 21, 1989
    Assignee: Ube-Nitto Kasei Co., Ltd.
    Inventors: Ken Kitagawa, Shigehiro Matsuno, Kazuaki Toda
  • Spacer of optical fiber cable and method for forming the same
    Patent number: 4781434
    Abstract: A method for forming a spacer of an optical fiber cable includes the steps of providing a tension member and covering it with a spacer body of crystalline thermoplastic resin, the spacer body being formed on its outer periphery with a plurality of grooves each for supporting an optical fiber therein. An apparent diameter d0 of the tension member and a target diameter d3 of the spacer body measured at bottoms of the grooves are so determined as to satisfy an expression 0.5<d0/d3<1.
    Type: Grant
    Filed: December 2, 1986
    Date of Patent: November 1, 1988
    Assignee: Ube-Nitto Kasei Co., Ltd.
    Inventors: Ken Kitagawa, Shigehiro Matsuno, Kazuaki Toda