Patents by Inventor Kiyokazu Tanahashi

Kiyokazu Tanahashi 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: 8962068
    Abstract: An objective is to provide a method of manufacturing an organic electroluminescence element possessing a thin film exhibiting relatively low film-strength formed via a continuous wet coating process. Disclosed is a method of manufacturing an organic electroluminescence element possessing a substrate film and provided thereon at least an organic layer placed between a pair of facing electrodes, possessing a light emitting layer containing an organic light emission material; possessing the steps of forming the organic layer on a first electrode provided on the substrate film by a continuous wet coating method; and cutting the substrate film with an upper cutting blade and a lower cutting blade, wherein the lower blade faces the substrate film, the upper blade has a blade edge angle of 30-60°, and the lower blade has a blade edge angle of 80-90°.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: February 24, 2015
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kiyokazu Tanahashi, Keiichi Aoki, Yousuke Takashima
  • Patent number: 8574661
    Abstract: This invention provides a process for producing an organic EL element that, in forming, by a coating method, an organic EL element comprising a substrate bearing a plurality of organic EL elements each comprising at least a first electrode, one or more organic compound layers, a second electrode, and a sealing layer, can easily form an external connection terminal forming part for external connection terminal formation and can realize high production efficiency and stable performance quality.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: November 5, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Yousuke Takashima, Kiyokazu Tanahashi, Keiichi Aoki
  • Patent number: 8297218
    Abstract: A coating apparatus for conducting coating by discharging liquid droplets onto a substrate, is provided with a discharging head having an external terminal to receive control signals and a plurality of nozzles to discharge liquid droplets in response to the control signals; a drive control board to output the control signals to the discharging head; a cable to transmit the control signals from the drive control board to the discharging head; a relay board having a first terminal to form a first joint section to joint with the external terminal of the discharging head and a second terminal to form a second joint section to joint with the cable; and an intercepting member to intercept contact between the first joint section and outside air and to intercept contact between the second joint section and outside air.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: October 30, 2012
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kiyokazu Tanahashi, Kiyoshi Endo, Kazuhiko Sakata
  • Publication number: 20100229791
    Abstract: A coating apparatus for conducting coating by discharging liquid droplets onto a substrate, is provided with a discharging head having an external terminal to receive control signals and a plurality of nozzles to discharge liquid droplets in response to the control signals; a drive control board to output the control signals to the discharging head; a cable to transmit the control signals from the drive control board to the discharging head; a relay board having a first terminal to form a first joint section to joint with the external terminal of the discharging head and a second terminal to form a second joint section to joint with the cable; and an intercepting member to intercept contact between the first joint section and outside air and to intercept contact between the second joint section and outside air.
    Type: Application
    Filed: May 25, 2007
    Publication date: September 16, 2010
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Kiyokazu Tanahashi, Kiyoshi Endo, Kazuhiko Sakata
  • Publication number: 20090267507
    Abstract: This invention provides a process for producing an organic EL element that, in forming, by a coating method, an organic EL element comprising a substrate bearing a plurality of organic EL elements each comprising at least a first electrode, one or more organic compound layers, a second electrode, and a sealing layer, can easily form an external connection terminal forming part for external connection terminal formation and can realize high production efficiency and stable performance quality.
    Type: Application
    Filed: August 24, 2006
    Publication date: October 29, 2009
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Yousuke Takashima, Kiyokazu Tanahashi, Keiichi Aoki
  • Publication number: 20080226942
    Abstract: An objective is to provide a method of manufacturing an organic electroluminescence element possessing a thin film exhibiting relatively low film-strength formed via a continuous wet coating process. Disclosed is a method of manufacturing an organic electroluminescence element possessing a substrate film and provided thereon at least an organic layer placed between a pair of facing electrodes, possessing a light emitting layer containing an organic light emission material; possessing the steps of forming the organic layer on a first electrode provided on the substrate film by a continuous wet coating method; and cutting the substrate film with an upper cutting blade and a lower cutting blade, wherein the lower blade faces the substrate film, the upper blade has a blade edge angle of 30-60°, and the lower blade has a blade edge angle of 80-90 °.
    Type: Application
    Filed: September 29, 2006
    Publication date: September 18, 2008
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Kiyokazu Tanahashi, Keiichi Aoki, Yousuke Takashima
  • Publication number: 20060099335
    Abstract: A spray coating apparatus is provided with a conveying apparatus that conveys the object to be coated in the conveyance direction, a spraying head that is placed in a direction that intersects said conveyance direction and that coats the coating solution onto the object to be coated, and a tensile force applying device that applies a prescribed tensile force to the object to be coated in the coating section by said spraying head, and said tensile force applying device maintains the variation of the average positions of the surface of the object to be coated in said coating section from the tip of said spray head, between in the uncoated condition and during coating to be within 0.5% relative to the width of the object to be coated at right angles to said conveyance direction.
    Type: Application
    Filed: November 2, 2005
    Publication date: May 11, 2006
    Applicant: Konica Minolta Photo Imaging, Inc.
    Inventors: Tomohiko Sakai, Kiyokazu Tanahashi, Kiyoshi Endo
  • Publication number: 20060035033
    Abstract: A spray coating device for coating of a surface layer of an inkjet recording sheet, to form a surface layer by spraying coating solution onto at least one layer of ink absorption layer formed on a substrate is composed of a backup roller to support a substrate and to carry out a continuous conveyance of the substrate, a spray coater placed near a substrate to carry out spray coating of coating solution onto the substrate and a coating solution scatter prevention means to prevent sprayed coating solution from scattering, including a body having a box-shaped structure with an opening on a side of the spray coater and a suction means connected to the body to reduce pressure in the body.
    Type: Application
    Filed: August 2, 2005
    Publication date: February 16, 2006
    Inventors: Kiyokazu Tanahashi, Kiyoshi Endo, Tomohiko Sakai
  • Patent number: 6053643
    Abstract: In a container for storing plural different kinds of photosensitive material processing agents provided with a first storing room having a first opening; a second storing room having a second opening; a third storing room having a third opening; a first flange section to enclose the periphery of the first opening; a second flange section to enclose the periphery of both the second opening and the third opening; and a cover member to cover the first opening, the second opening and the third opening, the second storing room is located between the first storing room and the third storing room and a first distance between the first storing room and the second storing room and is made larger than a second distance between the second storing room and the third storing room.
    Type: Grant
    Filed: February 1, 1999
    Date of Patent: April 25, 2000
    Assignee: Konica Corporation
    Inventors: Kiyokazu Tanahashi, Nobuaki Takahashi, Toshio Kato, Michihide Murase, Hideo Kobayashi, Naoki Shimizu, Osamu Shibazaki, Tomohiro Uchida, Masahiko Taguchi