Patents by Inventor Masakazu Kubota

Masakazu Kubota 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).

  • Patent number: 5679629
    Abstract: A detergent composition for hard surfaces is disclosed, which contains: (a) a mixture consisting of at least two compounds represented by formula (I), wherein s is an integer from 1 to 10, representing the number of moles of the ethylene oxide group, which are different in degree of polymerization, said mixture (a) satisfying relationship (1), wherein N.sub.t is the percent by weight of a compound having t mol of the oxyethylene group added based on the weight of mixture (a). The detergent composition has excellent detergency and foaming properties and is useful for removal of denatured oily dirt in the kitchen.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: October 21, 1997
    Assignee: Kao Corporation
    Inventors: Masakazu Kubota, Norikazu Jin, Kazunori Tsukuda, Hiroshi Nagumo
  • Patent number: 4936537
    Abstract: A sealing body for mounting a mirror to the outside of a front door of a passenger car and a door mirror using the sealing body. The sealing body is sandwiched between a door panel and a mirror pad boot, and consists of a seal frame and a sealing pad. The seal frame has frame portions and openings. The frame portions are in close contact with the mirror pad boot. The sealing pad has protruding portions fitted in the openings. The front end surfaces of the protruding portions are in close contact with the mirror pad boot.
    Type: Grant
    Filed: November 16, 1988
    Date of Patent: June 26, 1990
    Assignees: Tokai Kogyo Kabushiki Kaisha, Kasei Kogyo Company, Ltd., Honda Giken Kogyo
    Inventors: Hiroaki Namba, Masakazu Kubota, Osamu Suzuki