Patents by Inventor Koji Hanada

Koji Hanada 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).

  • Method of controlling size of light beam
    Patent number: 5229877
    Abstract: A method of controlling a size of a light beam, which comprises rotating a disk having a groove whose size changes continuously or a polygonal-shaped rotor having grooves of different sizes, on the circumferential surface, and irradiating the groove or grooves with a light beam, whereby the groove or grooves provide a transmitted light beam having a size that change continuously or stepwise, respectively, while retaining an analogous form of the light beam.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: July 20, 1993
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventor: Koji Hanada
  • Heat-sensitive transfer material
    Patent number: 4925731
    Abstract: This invention provides a heat-sensitive transfer layer which comprises a substrate and a heat-melting ink layer provided to one surface of said substrate, characterized by providing, between said substrate and heat-melting ink layer, an interlayer which breaks away within itself by separation under heat at the time of heat transfer.
    Type: Grant
    Filed: February 2, 1989
    Date of Patent: May 15, 1990
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Koji Hanada, Masashi Sawamura, Takeshi Yoshikawa, Hiroyuki Nihashi, Tsuneo Tanaka
  • Heat-sensitive transfer material
    Patent number: 4877681
    Abstract: This invention provides a heat-sensitive transfer layer which comprises a substrate and a heat-melting ink layer provided to one surface of said substrate, characterized by providing, between said substrate and heat-melting ink layer, an interlayer which breaks away within itself by separation under heat at the time of heat transfer.
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: October 31, 1989
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Koji Hanada, Masashi Sawamura, Takeshi Yoshikawa, Hiroyuki Nihashi, Tsuneo Tanaka
  • Heat-sensitive transfer sheet
    Patent number: 4708903
    Abstract: A heat-sensitive transfer sheet comprising a base film, a first hot melt layer composed mainly of wax, a coloring layer comprising at least one colorant and at least one a resin as a vehicle, and a second hot melt layer composed mainly of wax, these layers being formed on said base film in this order.
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: November 24, 1987
    Assignees: Toyo Ink Manufacturing Co., Ltd., Toppan Printing Co., Ltd.
    Inventors: Tsuneo Tanaka, Tetsuro Yoshitomi, Koji Hanada, Mashato Ohashi, Michichika Hikosaka
  • Housing for an electromagnetic relay
    Patent number: 4578660
    Abstract: A small electromagnetic relay in which an electromagnet (116), having at least a core (130), a coil bobbin (128) and an armature (117), is accommodated in a box-shaped insulated housing (110) which has surrounding walls (114a, 114b) to hold contact terminals (111a, 111b, 112a, 112b), the electromagnet having an accommodation portion that is molded on the outer surface of a flange (138) of the coil bobbin as a unitary structure to rotatably hold the armature, the coil bobbin being equipped with the armature and the core.
    Type: Grant
    Filed: April 21, 1982
    Date of Patent: March 25, 1986
    Assignee: Fujitsu Limited
    Inventors: Koji Hanada, Yuji Kinoshita, Masaru Tamura