Patents Assigned to Kotobuki & Co., Ltd.
  • Coat transfer tool
    Patent number: 6325130
    Abstract: A coat transfer tool includes a case having a plate-shaped part, a feed reel provided in the case and wound with a coat transfer tape, a takeup reel provided in the case, for taking up the carrier tape fed by the feed reel, and an applying strip disposed on the path of the tape running between the feed reel and the takeup reel and pressed against a surface of a substrate. An elastic pressing arm protrudes from the plate-shaped part of the case to be kept in contact with a surface of the applying strip and to elastically press the applying strip in a direction substantially vertical to the surface.
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: December 4, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Sadahiro Anzai, Yoshihide Mitsuya
  • Writing utensils
    Patent number: 6309129
    Abstract: A writing utensil includes an external cylinder, a lead feeding mechanism housed in the external cylinder and propelling a lead forward, and a rear-end knocking member movable in conjunction with the lead feeding mechanism in an axial direction. The rear-end knocking member is integrally formed and includes a cylindrical section, a clip section, and a connecting section. The cylindrical section has a central hole into which the rear end of a lead case of the lead feeding mechanism is inserted and in which the rear of the cylindrical section protrudes from the rear end of the external cylinder. A clip section extends outside and along the external cylinder in an axial direction and a connecting section passing through a stem hole formed in the rear side face of the external cylinder for connecting the cylindrical section and the clip section together.
    Type: Grant
    Filed: July 6, 1999
    Date of Patent: October 30, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Hidehei Kageyama, Osamu Takahashi
  • Knocking writing utensil
    Patent number: 6287036
    Abstract: A knocking writing utensil for use with a writing medium includes an external cylinder for receiving the writing medium located inside the external cylinder, the medium being urged rearwardly, a rotational cam mechanism including a cam cylinder capable of rotating and moving rearwardly and forwardly inside the external cylinder and regulating rearwardly movement of the writing medium, a cam body for rotating the cam cylinder at a predetermined angle each time the cam cylinder is propelled forwardly so that the cam cylinder moves alternately to a forward position and a withdrawal position, and a cam bar capable of pushing the cam cylinder forward. A knock body is connected with the cam bar so that a knock operation is feasible, the knock body undergoing a knock operation so that the cam cylinder rotates as well as moves rearwardly and forwardly in the axial direction to drive the writing medium.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: September 11, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventors: Tadashi Keda, Yoshihide Mitsuya
  • Aqueous ink composition for ball-point pen
    Patent number: 6275816
    Abstract: A aqueous ink for a ball-point pen which is stable over time and has high pigment dispersion stability, includes a pigment, a water-soluble organic solvent, water, xanthane gum of about 0.01 to about 0.2 wt. % and a sodium alginate of about 0.2 to about 0.6 wt. % of a total amount of the ink.
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: August 14, 2001
    Assignee: Kotobuki & Co., LTD
    Inventors: Katsuya Hattori, Akio Nakamura, Mikio Morishita
  • Writing instrument with cap member therefor
    Patent number: D442635
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: May 22, 2001
    Assignee: Kotobuki and Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D444172
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: June 26, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D444173
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: June 26, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D444174
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: June 26, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D444498
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: July 3, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D444500
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: July 3, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D444815
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: July 10, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D445131
    Type: Grant
    Filed: July 26, 2000
    Date of Patent: July 17, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda
  • Pattern of a writing instrument barrel
    Patent number: D445132
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: July 17, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Juri Saito
  • Barrel for a writing instrument
    Patent number: D445455
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: July 24, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Juri Saito
  • Writing instrument
    Patent number: D445829
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: July 31, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D448803
    Type: Grant
    Filed: April 17, 2000
    Date of Patent: October 2, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D448804
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: October 2, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D450347
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: November 13, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda
  • Writing instrument
    Patent number: D450768
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: November 20, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Tadashi Keda
  • Barrel for a writing instrument
    Patent number: D451142
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: November 27, 2001
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Juri Saito