Patents by Inventor Susumu Sudo

Susumu Sudo 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).

  • Silver halide photographic light sensitive material
    Patent number: 5424170
    Abstract: A silver halide photographic light sensitive material contains a novel nucleating compound represented by the following formula (I), which is capable of functioning as a contrast increasing agent in a negative system or as a foggant in a direct positive system ##STR1##
    Type: Grant
    Filed: August 26, 1994
    Date of Patent: June 13, 1995
    Assignee: Konica Corporation
    Inventors: Susumu Sudo, Yasushi Usagawa
  • Grinding tool and method of making the same
    Patent number: 5064445
    Abstract: This invention relates to a grinding tool wherein a thermocontracting tube on which is formed a partial hone grain layer pattern in which parts having no hone grain layer are scattered is applied to cover the peripheral surface of a shaping base on which is formed a molding surface of a required shape and is then heated to closely adhere to the above mentioned molding surface and to a method of making such grinding tools.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: November 12, 1991
    Assignees: Sankyo Rikagaku Co., Ltd., Tawekawa Tekko Kabushiki Kaisha
    Inventors: Hiroshi Okajima, Susumu Sudo
  • Grinding tool and method of making the same
    Patent number: 5020282
    Abstract: A grinding tool wherein a thermocontrating tube on which is formed a partial layer pattern in which parts having no abrasive are scattered and separated, the abrasive part is applied to cover the peripheral surface of a shaped base and is then heated to closely adhere to the surface of the base.
    Type: Grant
    Filed: January 19, 1989
    Date of Patent: June 4, 1991
    Assignees: Sankyo Rikagaku Co., Ltd., Takekawa Tekko Kabushiki Kaisha
    Inventors: Hiroshi Okajima, Susumu Sudo
  • Device for preventing leakage at pipe joints
    Patent number: 4346922
    Abstract: This device comprises a cylindrical member integrally made of an elastic material for covering the inside periphery of a pipe joint, belt members impregnated with a bonding agent to be squeezed out by pressure, and circular expanding members for expanding said cylindrical member when positioned inside the cylindrical member and subsequently expanded.
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: August 31, 1982
    Inventors: Hisao Ohtsuga, Koji Uzawa, Takashi Kamuro, Susumu Sudo, Tomoyoshi Hirose, Masafumi Miyao, Motoyuki Koga