Patents by Inventor Kazuki Obara

Kazuki Obara 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: 5235389
    Abstract: A toner cartridge employed in an electrophotographic printer and capable of attachment to or detachment from the electrophotographic printer. The toner cartridge includes a stirring member (4) which touches the inner wall of the cartridge (100) to reliably stir the toner contained in the cartridge (100). The stirring member (4) is rotatable and is interlocked with a gear (5) which is rotated by an external drive force.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: August 10, 1993
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Hiroshi Kikuchi, Yukio Ota, Yoshitomo Koga, Kazuki Obara, Yoshiharu Momiyama, Shigeki Nakajima, Kiyoshi Matsuda, Hisao Ono
  • Patent number: 4851861
    Abstract: In a thermal transfer recording device which performs thermal transfer recording by using an ink ribbon which applies monochrome or polychrome transfer of ink to a base film and moves the ink ribbon and paper holding them between a thermal head and a platen, a first control section outputs a signal for the control of the heat quantity of the thermal head based on input binary data, a second control section outputs a signal for the control of the heat quantity of the thermal head based on input multi-value data, a setting unit outputs setting results based on the setting of the binary data print mode or the multi-value data print mode, and a selection unit selects the output signal of the first control section or the second control section based on the above mentioned setting results and supplies it to the above-mentioned thermal head.
    Type: Grant
    Filed: January 19, 1988
    Date of Patent: July 25, 1989
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Hiroshi Kikuchi, Jiro Tanuma, Kazuki Obara, Kazuyoshi Yoshida
  • Patent number: 4750881
    Abstract: A carriage mechanism of a printer includes a carriage frame, a printed circuit board mounted on the carriage frame and having an exposed wiring portion and a plurality portion of guide holes, and a cable having at one end thereof an exposed wiring portion to be electrically connected to the exposed wiring portion of the printed circuit board. An inked ribbon feed mechanism has guide projections to be inserted into the guide holes and a plurality of elastic hooks for fastening to the carriage frame. A cable fixing mechanism includes a flexible film member to be superimposed over the end of the flexible cable and fixed thereto. One end of the flexible film member is shaped as the end of the flexible cable and the other end of the flexible film member is progressively narrower and projects toward a folded portion of the flexible cable.
    Type: Grant
    Filed: March 5, 1986
    Date of Patent: June 14, 1988
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Hiroshi Kikuchi, Kazuki Obara, Kuniharu Hayashi, Masanori Maekawa, Yukio Ota, Shyoichi Watanabe