Patents by Inventor Keiichi Arakawa

Keiichi Arakawa 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).

  • Bush
    Patent number: 9546705
    Abstract: A bush (20) includes a base material (45) that is disposed at a vehicle body (12), an inter ring (48) that is integrally disposed at the base material (45), and a surface layer (51) that is disposed inside the inter ring (48). The inter ring (48) is arranged along an opening (47) in such a manner as to surround the opening (47). The surface layer (51) includes an insertion hole (52) and is integrally formed from a self-adhesive elastic material into a thin wall shape. A stabilized rod (14) is inserted into the insertion hole (52).
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: January 17, 2017
    Assignees: Honda Motor Co., Ltd., Yamashita Rubber Co., Ltd.
    Inventors: Hisashi Ishimatsu, Tetsu Ogawa, Masashi Furuya, Takahiro Kato, Jun Saito, Shigeo Kojima, Keiichi Arakawa
  • BUSH
    Publication number: 20150008630
    Abstract: A bush (20) includes a base material (45) that is disposed at a vehicle body (12), an inter ring (48) that is integrally disposed at the base material (45), and a surface layer (51) that is disposed inside the inter ring (48). The inter ring (48) is arranged along an opening (47) in such a manner as to surround the opening (47). The surface layer (51) includes an insertion hole (52) and is integrally formed from a self-adhesive elastic material into a thin wall shape. A stabilized rod (14) is inserted into the insertion hole (52).
    Type: Application
    Filed: December 18, 2012
    Publication date: January 8, 2015
    Inventors: Hisashi Ishimatsu, Tetsu Ogawa, Masashi Furuya, Takahiro Kato, Jun Saito, Shigeo Kojima, Keiichi Arakawa
  • VIBRATION-INSULATING RUBBER COMPOSITION
    Publication number: 20120305828
    Abstract: A vibration-insulating rubber composition includes: a rubber component (A) that is composed of an isoprene-based rubber; a rubber component (B) that is composed of a butadiene-based rubber; carbon black that is present mainly in the rubber component (B); and silica that is present mainly in the rubber component (A). The rubber composition exhibits improved durability without suffering from deterioration of vibration-insulation characteristics.
    Type: Application
    Filed: January 31, 2011
    Publication date: December 6, 2012
    Applicant: Yamashita Rubber Co., Ltd.
    Inventors: Yoshiaki Gomi, Jun Aizawa, Keiichi Arakawa, Yu Annaka