Patents by Inventor Kiyoshi Kumasawa

Kiyoshi Kumasawa 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).

  • Covering body for heating pipe
    Patent number: 7168452
    Abstract: A covering body for heating a pipe to be attached to the pipe and to conduct external heat to heat the pipe, including: a surrounding body including at least two parts having a divided shape of a cylindrical body along an axial line of the cylindrical body, the surrounding body having: a through hole having a diameter corresponding to an outer diameter of the pipe; and a concave groove provided on an outer peripheral surface of at least one of the at least two parts and extending in a longitudinal direction of the surrounding body, a fitting member including: a first fitting plate including a first arc band-shaped plate longer than a half of circumference of an outer peripheral surface of the surrounding body and having a first extended portion and a first cutout at one end of the first arc band-shaped plate; a second fitting plate including a second arc band-shaped plate longer than the half of circumference of the outer peripheral surface of the surrounding body and having, at one end of the second arc band
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: January 30, 2007
    Assignee: Nichias Corporation
    Inventors: Akira Sasaki, Yoshiyuki Motoyoshi, Tsuyoshi Kobayashi, Mitsushi Wadasako, Kiyoshi Kumasawa
  • Covering body for heating pipe and heating structure for heating pipe
    Publication number: 20060289471
    Abstract: The present invention provides a covering body for heating a pipe to be attached to the pipe so as to surround the pipe and to conduct external heat to heat the pipe, the covering body having: a pair of half-cylinder parts each having a halved shape of a cylindrical body along an axial line thereof, the half-cylinder parts each having a cut surface, the cylindrical body having a through hole along an axial line thereof, the pair of the half cylinder parts defining a gap between the cut surfaces upon the covering body being attached to the pipe.
    Type: Application
    Filed: June 27, 2006
    Publication date: December 28, 2006
    Applicant: NICHIAS CORPORATION
    Inventors: Akira Sasaki, Yoshiyuki Motoyoshi, Tsuyoshi Kobayashi, Kiyoshi Kumasawa, Mitsushi Wadasako
  • Covering body for heating pipe
    Publication number: 20060231151
    Abstract: A covering body for heating a pipe to be attached to the pipe and to conduct external heat to heat the pipe, including: a surrounding body including at least two parts having a divided shape of a cylindrical body along an axial line of the cylindrical body, the surrounding body having: a through hole having a diameter corresponding to an outer diameter of the pipe; and a concave groove provided on an outer peripheral surface of at least one of the at least two parts and extending in a longitudinal direction of the surrounding body, a fitting member including: a first fitting plate including a first arc band-shaped plate longer than a half of circumference of an outer peripheral surface of the surrounding body and having a first extended portion and a first cutout at one end of the first arc band-shaped plate; a second fitting plate including a second arc band-shaped plate longer than the half of circumference of the outer peripheral surface of the surrounding body and having, at one end of the second arc band
    Type: Application
    Filed: March 31, 2006
    Publication date: October 19, 2006
    Applicant: Nichias Corporation
    Inventors: Akira Sasaki, Yoshiyuki Motoyoshi, Tsuyoshi Kobayashi, Mitsushi Wadasako, Kiyoshi Kumasawa