Patents by Inventor Katsuo Shimosawa

Katsuo Shimosawa 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: 20180174706
    Abstract: (Problem) Provided is a twisted pair cable that has moderate flexibility and uniformity in bending with respect to a bending direction. (Solution) A twisted pair cable (10) includes a double-twisted core line (28) formed by twisting two core lines (26) having conductors (22) and dielectric layers (24) formed on outer circumferences thereof, an inclusion (30) formed of polytetrafluoroethylene and twisted and combined with the double-twisted core line (28), a winding body layer (32) wound on an outer circumference of the core lines (26) and the inclusion (30), an outer conductor (34) installed on an outer circumference of the winding body layer (32), and an outer coating (36) installed on an outer circumference of the outer conductor (34) and has ellipticity of an overall cross-sectional shape of the cable formed to be within a range of 2% to 8%.
    Type: Application
    Filed: February 4, 2016
    Publication date: June 21, 2018
    Applicant: JUNKOSHA INC.
    Inventors: Katsuo SHIMOSAWA, Yuu MATSUBARA
  • Publication number: 20120024566
    Abstract: A high-speed differential cable (1) comprises two-core signal lines in each of which a first dielectric layer (12) is provided around the perimeter of an internal conductor (11), which are arranged so that the cores thereof are in parallel, a second dielectric layer (13) provided around the perimeter of the two-core signal lines, drain lines (14) which are disposed outside the second dielectric layer and at both sides of the two-core signal lines, respectively, and arranged in parallel to the signal lines, an external conductor (15) which is provided longitudinally around the perimeter of the second dielectric layer and the drain lines, with the insulative side thereof arranged outside and the conductive side thereof arranged inside, a casing (16) provided around the perimeter of the external conductor, and drain line trenches (17) provided at the perimeter of the second dielectric layer, where the drain lines are disposed.
    Type: Application
    Filed: March 10, 2010
    Publication date: February 2, 2012
    Inventors: Katsuo Shimosawa, Ken Oda, Osamu Arai, Takashi Wada, Masato Kubo
  • Publication number: 20090283296
    Abstract: As a coaxial cable includes a dielectric layer around a center conductor, an outer conductor layer around the dielectric layer, and a sheath around the outer conductor layer, wherein the dielectric layer is made of unsintered polytetrafluoroethylene, and a metal foil imparting an increased shielding effectiveness and shape maintainability is provided between the dielectric layer made of the unsintered polytetrafluoroethylene and the outer conductor layer, it is possible to make it a high frequency coaxial cable which, having a very excellent low insertion loss, and also having a high shielding effectiveness against a signal leakage increasing an attenuation, can be bent easily and freely by hand without using a tool or the like while effectively maintaining an electrical characteristic for a high frequency signal and, after being bent, has an excellent shape maintainability in that bent condition, enabling an easy wiring work or connecting work by virtue of the excellent shape maintainability.
    Type: Application
    Filed: December 25, 2006
    Publication date: November 19, 2009
    Applicant: JUNKOSHA INC.
    Inventors: Katsuo Shimosawa, Hajime Ohki
  • Patent number: 4594638
    Abstract: A liquid leak detecting sensor in the form of a coaxial cable assembly is provided in which means are provided for enhancing the passage of leaks from the outer surface of the outer conductor into the sensing layer which separates the inner and outer conductors. The change in permittivity of the sensing layer caused by the leak enables rapid detection of the location of the leak along the cable.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: June 10, 1986
    Assignee: Junkosha Co. Ltd.
    Inventors: Hirosuke Suzuki, Satoru Kobayashi, Katsuo Shimosawa