Patents by Inventor Tsuyoshi Haruhara

Tsuyoshi Haruhara 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).

  • Brake drum and process for manufacturing the same
    Publication number: 20070170016
    Abstract: A brake drum has its strength elevated in its disk portion. The brake drum is formed from a composition having ceramics dispersed in a matrix. The disk portion has a high ceramic content and thereby a high strength. Its cylindrical portion has a ceramic content decreasing gradually from the outer edge of the disk portion.
    Type: Application
    Filed: March 9, 2007
    Publication date: July 26, 2007
    Applicants: Nissin Kogyo Co., Ltd., Honda Motor Co., Ltd.
    Inventors: Naoaki Yamamoto, Tsuyoshi Haruhara, Satoshi Matsuura, Hiroto Shoji, Takaharu Echigo, Masashi Hara, Hiroki Takano, Yusuke Toyoda, Takahiro Mizukami, Katsuhiro Shibata
  • Brake drum and process for manufacturing the same
    Patent number: 7216746
    Abstract: A brake drum has its strength elevated in its disk portion. The brake drum is formed from a composition having ceramics dispersed in a matrix. The disk portion has a high ceramic content and thereby a high strength. The brake drum has a disk portion and a cylindrical portion. The disk portion has a first ceramic content by volume and the cylindrical portion has a second ceramic content by volume that is less than the first ceramic content by volume as a result of the application of a higher compression ratio to the disk portion.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: May 15, 2007
    Assignees: Nissin Kogyo Co., Ltd., Honda Motor Co., Ltd.
    Inventors: Naoaki Yamamoto, Tsuyoshi Haruhara, Satoshi Matsuura, Hiroto Shoji, Takaharu Echigo, Masashi Hara, Hiroki Takano, Yusuke Toyoda, Takahiro Mizukami, Katsuhiro Shibata
  • Brake drum and process for manufacturing the same
    Publication number: 20050167214
    Abstract: A brake drum has its strength elevated in its disk portion. The brake drum is formed from a composition having ceramics dispersed in a matrix. The disk portion has a high ceramic content and thereby a high strength. Its cylindrical portion has a ceramic content decreasing gradually from the outer edge of the disk portion.
    Type: Application
    Filed: January 21, 2005
    Publication date: August 4, 2005
    Applicants: Nissin Kogyo Co., Ltd., Honda Motor Co., Ltd.
    Inventors: Naoaki Yamamoto, Tsuyoshi Haruhara, Satoshi Matsuura, Hiroto Shoji, Takaharu Echigo, Masashi Hara, Hiroki Takano, Yusuke Toyoda, Takahiro Mizukami, Katsuhiro Shibata