Patents by Inventor Mayumi Yamauchi

Mayumi Yamauchi 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).

  • Dripping inhibitor and resin compound
    Patent number: 9475935
    Abstract: Provided is a dripping inhibitor excellent in handling characteristics. The present invention provides a dripping inhibitor including a modified polytetrafluoroethylene, the inhibitor having an average particle size of 300 to 800 ?m, an apparent density of 0.40 to 0.52 g/ml, a compression ratio of 1.20 or less, an aggregate disintegration degree with 50-sec vibration of 70% or more, a cylinder extrusion pressure at a reduction ratio 1500 of 80 MPa or less, and a standard specific gravity (SSG) of 2.140 to 2.230.
    Type: Grant
    Filed: September 29, 2011
    Date of Patent: October 25, 2016
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Taku Yamanaka, Masayoshi Miyamoto, Shunji Kasai, Masayuki Tsuji, Kazuya Kawahara, Mayumi Yamauchi, Taketo Kato, Yasuhiko Sawada
  • Dripping inhibitor and resin compound
    Patent number: 9458316
    Abstract: Provided is a dripping inhibitor excellent in handling characteristics. The present invention provides a dripping inhibitor including a modified polytetrafluoroethylene, the inhibitor having an average particle size of 300 to 800 ?m, an apparent density of 0.40 to 0.52 g/ml, a compression ratio of 1.20 or less, an aggregate disintegration degree with 50-sec vibration of 70% or more, a cylinder extrusion pressure at a reduction ratio 1500 of 80 MPa or less, and a standard specific gravity (SSG) of 2.140 to 2.230.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: October 4, 2016
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Taku Yamanaka, Masayoshi Miyamoto, Shunji Kasai, Masayuki Tsuji, Kazuya Kawahara, Mayumi Yamauchi, Taketo Kato, Yasuhiko Sawada
  • DRIPPING INHIBITOR AND RESIN COMPOUND
    Publication number: 20140336315
    Abstract: Provided is a dripping inhibitor excellent in handling characteristics. The present invention provides a dripping inhibitor including a modified polytetrafluoroethylene, the inhibitor having an average particle size of 300 to 800 ?m, an apparent density of 0.40 to 0.52 g/ml, a compression ratio of 1.20 or less, an aggregate disintegration degree with 50-sec vibration of 70% or more, a cylinder extrusion pressure at a reduction ratio 1500 of 80 MPa or less, and a standard specific gravity (SSG) of 2.140 to 2.230.
    Type: Application
    Filed: July 23, 2014
    Publication date: November 13, 2014
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taku YAMANAKA, Masayoshi MIYAMOTO, Shunji KASAI, Masayuki TSUJI, Kazuya KAWAHARA, Mayumi YAMAUCHI, Taketo KATO, Yasuhiko SAWADA
  • DRIPPING INHIBITOR AND RESIN COMPOUND
    Publication number: 20130184395
    Abstract: Provided is a dripping inhibitor excellent in handling characteristics. The present invention provides a dripping inhibitor including a modified polytetrafluoroethylene, the inhibitor having an average particle size of 300 to 800 ?m, an apparent density of 0.40 to 0.52 g/ml, a compression ratio of 1.20 or less, an aggregate disintegration degree with 50-sec vibration of 70% or more, a cylinder extrusion pressure at a reduction ratio 1500 of 80 MPa or less, and a standard specific gravity (SSG) of 2.140 to 2.230.
    Type: Application
    Filed: September 29, 2011
    Publication date: July 18, 2013
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taku Yamanaka, Masayoshi Miyamoto, Shunji Kasai, Masayuki Tsuji, Kazuya Kawahara, Mayumi Yamauchi, Taketo Kato, Yasuhiko Sawada