Patents by Inventor Nobuyuki Hiruma

Nobuyuki Hiruma 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).

  • Wiper blade and method for producing the same
    Patent number: 7776400
    Abstract: A wiper blade (1) comprising a base portion (3) to be attached to a wiper arm, a lip portion (4) to sweep away a water droplet or dust etc. adhered to a glass window, a thin neck portion (2) for connecting the lip portion (4) and the base portion (3), and a sweeping surface layer portion formed on a side surface of a cross section of the lip portion (4), the sweeping surface layer (7) comprising a scale-like powder (9) having good sliding property and a binder (10) comprising a water-repellency silicone-base rubber composition for binding the scale-like powder (9) to the lip portion (4). The scale-like powder (9) is laminated in a thickness direction of the lip portion (4) and the laminated scale-like powder is bound to each other with the binder (10).
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: August 17, 2010
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Nobuyuki Hiruma, Masahide Takahashi, Yoshinari Shizukuda
  • Wiper blade
    Patent number: 7441302
    Abstract: A wiper blade (1) includes a base portion (3) to be attached to a wiper arm, a lip portion (4) to sweep away a water droplet or dust etc. adhered to a glass window, a thin neck portion (2) for connecting the lip portion (4) and the base portion (3), and a sweeping surface layer portion formed on a side surface of a cross section of the lip portion (4), with the sweeping surface layer (7) including a scale-like powder (9) having a good sliding property and a binder (10) including a water-repellency silicone-base rubber composition for binding the scale-like powder (9) to the lip portion (4). The scale-like powder (9) is laminated in a thickness direction of the lip portion (4) and the laminated scale-like powder is bound to each other with the binder (10).
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: October 28, 2008
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Nobuyuki Hiruma, Masahide Takahashi, Yoshinari Shizukuda
  • Wiper blade and method for producing the same
    Publication number: 20080040880
    Abstract: A wiper blade (1) comprising a base portion (3) to be attached to a wiper arm, a lip portion (4) to sweep away a water droplet or dust etc. adhered to a glass window, a thin neck portion (2) for connecting the lip portion (4) and the base portion (3), and a sweeping surface layer portion formed on a side surface of a cross section of the lip portion (4), the sweeping surface layer (7) comprising a scale-like powder (9) having good sliding property and a binder (10) comprising a water-repellency silicone-base rubber composition for binding the scale-like powder (9) to the lip portion (4). The scale-like powder (9) is laminated in a thickness direction of the lip portion (4) and the laminated scale-like powder is bound to each other with the binder (10).
    Type: Application
    Filed: October 5, 2007
    Publication date: February 21, 2008
    Inventors: Nobuyuki Hiruma, Masahide Takahashi, Yoshinari Shizukuda
  • Wiper blade and method of manufacturing the wiper blade
    Publication number: 20040237229
    Abstract: A wiper blade (1) comprising a base portion (3) to be attached to a wiper arm, a lip portion (4) to sweep away a water droplet or dust etc. adhered to a glass window, a thin neck portion (2) for connecting the lip portion (4) and the base portion (3), and a sweeping surface layer portion formed on a side surface of a cross section of the lip portion (4), the sweeping surface layer (7) comprising a scale-like powder (9) having good sliding property and a binder (10) comprising a water-repellency silicone-base rubber composition for binding the scale-like powder (9) to the lip portion (4). The scale-like powder (9) is laminated in a thickness direction of the lip portion (4) and the laminated scale-like powder is bound to each other with the binder (10).
    Type: Application
    Filed: February 10, 2004
    Publication date: December 2, 2004
    Inventors: Nobuyuki Hiruma, Masahide Takahashi, Yoshinari Shizukuda