Patents by Inventor Hidehiro Mukai

Hidehiro Mukai 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).

  • Bolt and nut unit coated with lubricant
    Patent number: 4206060
    Abstract: A bolt and nut unit coated with lubricant comprising graphite and/or molybdenum disulfide, an ethylene-vinyl acetate copolymer and a fatty acid or a metallic soap thereof. This lubricant has low temperature sensitivity, and the bolt and nut unit coated therewith can be tightened precisely into position with a constant torque regardless of variations in ambient temperature and humidity.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: June 3, 1980
    Assignees: Sumitomo Kinzoku Kogyo Kabushiki Kaisha, Umebachi Fastener Kabushiki Kaisha
    Inventors: Hideo Yamamoto, Toshiro Mase, Hidehiro Mukai, Hisao Nakayama