Patents by Inventor Hiroshi Ichiyanagi

Hiroshi Ichiyanagi 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).

  • Compressor with thrust bearing having insular pressure- receiving portions on sliding surface and diamond-like carbon layer on another sliding surface
    Patent number: 8007262
    Abstract: A scroll compressor (11) comprising a thrust bearing (53) including a first sliding surface (100) and a second sliding surface (101) in opposed relation to the first sliding surface (100) is disclosed. The first sliding surface (100) is formed with a plurality of insular pressure-receiving portions (83) surrounded by grooves (85) and independent of each other. The part of the second sliding surface (101) in opposed relation to the pressure-receiving portions (83) is flat as compared with the first sliding surface (100). The outermost front surface of the second sliding surface (101) is formed with a diamond-like carbon layer (101a).
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: August 30, 2011
    Assignee: DENSO CORPORATION
    Inventors: Hiroshi Ichiyanagi, Shigeki Iwanami, Sanemasa Kawabata
  • Compressor
    Publication number: 20090280018
    Abstract: A scroll compressor (11) comprising a thrust bearing (53) including a first sliding surface (100) and a second sliding surface (101) in opposed relation to the first sliding surface (100) is disclosed. The first sliding surface (100) is formed with a plurality of insular pressure-receiving portions (83) surrounded by grooves (85) and independent of each other. The part of the second sliding surface (101) in opposed relation to the pressure-receiving portions (83) is flat as compared with the first sliding surface (100). The outermost front surface of the second sliding surface (101) is formed with a diamond-like carbon layer (101a).
    Type: Application
    Filed: May 20, 2008
    Publication date: November 12, 2009
    Applicant: DENSO CORPORATION
    Inventors: Hiroshi Ichiyanagi, Shigeki Iwanami, Sanemasa Kawabata