Patents by Inventor Ken Kitahara, deceased

Ken Kitahara, deceased 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).

  • Plain bearing
    Patent number: 7234870
    Abstract: A plain bearing comprising a housing and two plain bearing halves forming a cylindrical shape in combination and fixed in the housing. Each of the plain bearing halves has crush reliefs formed at both ends of an inner circumferential surface thereof in a circumferential direction, an oil groove formed on the inner circumferential surface thereof and extending in the circumferential direction, a central crown portion at substantially central position in the circumferential direction and in communication with the oil groove, and inflow preventing portions formed between the crush reliefs and the oil groove.
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: June 26, 2007
    Assignee: Daido Metal Company Ltd.
    Inventors: Keiko Kitahara, legal representative, Katsumi Asai, Arihiro Kimura, Atsushi Okado, Masaaki Sakamoto, Ken Kitahara, deceased