Patents by Inventor Makoto Nakamichi

Makoto Nakamichi 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).

  • Resin composition for intake system part for internal combustion engine and intake system part
    Patent number: 7571702
    Abstract: A resin composition for a component of an air intake system of an internal combustion engine including the following components (1), (2), and (3): [Components] (1) polypropylene-based resin: 67 to 89 wt % (2) acid-modified polypropylene-based resin: 1 to 3 wt % (3) carbon fiber and graphite powder: 10 to 30 wt %, the relationship between the thickness and the resonance frequency of a test specimen formed of the resin composition satisfying the following expression: [Relationship between thickness and resonance frequency]resonance frequency (Hz)?(98.5×thickness (mm))+15.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: August 11, 2009
    Assignee: Toyo Roki Mfg. Co., Ltd.
    Inventors: Sueki Sugawara, Toshiyuki Ishii, Kazuyuki Iida, Taketoshi Matsumoto, Kunimoto Sugiyama, Makoto Nakamichi
  • Resin Composition For Intake System Part For Internal Combustion Engine And Intake System Part
    Publication number: 20080110429
    Abstract: A resin composition for a component of an air intake system of an internal combustion engine including the following components (1), (2), and (3): [Components] (1) polypropylene-based resin: 67 to 89 wt % (2) acid-modified polypropylene-based resin: 1 to 3 wt % (3) carbon fiber and graphite powder: 10 to 30 wt %, the relationship between the thickness and the resonance frequency of a test specimen formed of the resin composition satisfying the following expression: [Relationship between thickness and resonance frequency]resonance frequency (Hz)?(98.5×thickness (mm))+15.
    Type: Application
    Filed: October 6, 2006
    Publication date: May 15, 2008
    Applicant: TOYO ROKI MFG. CO.,LTD.
    Inventors: Sueki Sugawara, Toshiyuki Ishii, Kazuyuki Iida, Taketoshi Matsumoto, Kunimoto Sugiyama, Makoto Nakamichi