Patents by Inventor Koichi Sumioka

Koichi Sumioka 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: 9073302
    Abstract: A screen printing machine including: a screen mask detachably mounted to a mask mounting area set in advance; a squeegee, arranged above the screen mask mounted to the mask mounting area, that reciprocates relative to the screen mask in a Y-axis direction (a squeegee-movement direction); and scraping member (144) that comes into sliding contact with the squeegee upon suspension of printing and scraping off applying material adhered to the squeegee.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: July 7, 2015
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Koichi Sumioka, Mitsuhara Morita
  • Patent number: 8973496
    Abstract: A screen printing machine including: a screen mask 1 detachably mounted to a mask mounting area set in advance; a squeegee, which is arranged above the screen mask mounted to the mask mounting area, and the squeegee reciprocates relative to the screen mask in a squeegee-movement direction; and a receptacle which is installed at a location so that the screen mask is allowed to be attached and detached and which catches applying material adhered to the squeegee.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: March 10, 2015
    Assignee: Yamaha Hatsudoki Kabushiki Kaisha
    Inventors: Koichi Sumioka, Mitsuharu Morita
  • Publication number: 20140020579
    Abstract: A screen printing machine including: a screen mask detachably mounted to a mask mounting area set in advance; a squeegee, arranged above the screen mask mounted to the mask mounting area, that reciprocates relative to the screen mask in a Y-axis direction (a squeegee-movement direction); and scraping member (144) that comes into sliding contact with the squeegee upon suspension of printing and scraping off applying material adhered to the squeegee.
    Type: Application
    Filed: July 3, 2013
    Publication date: January 23, 2014
    Applicant: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Koichi SUMIOKA, Mitsuharu MORITA
  • Publication number: 20140020578
    Abstract: A screen printing machine including: a screen mask 1 detachably mounted to a mask mounting area set in advance; a squeegee, which is arranged above the screen mask mounted to the mask mounting area, and the squeegee reciprocates relative to the screen mask in a squeegee-movement direction; and a receptacle which is installed at a location so that the screen mask is allowed to be attached and detached and which catches applying material adhered to the squeegee.
    Type: Application
    Filed: July 3, 2013
    Publication date: January 23, 2014
    Inventors: Koichi SUMIOKA, Mitsuharu MORITA
  • Patent number: 8383831
    Abstract: The dye for a dye-sensitized solar cell, which dye is a compound classified into melocyanine dyes and has a structure in which an electron donor unit and an electron acceptor unit are connected with conjugated double bonds, provided by this invention, has excellent photoelectric conversion efficiency and excellent durability, and according to this invention, there can be provided a semiconductor electrode sensitized by the dye and a dye-sensitized solar cell using the semiconductor electrode.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: February 26, 2013
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Masakazu Takata, Koichi Sumioka, Takaaki Kozai
  • Publication number: 20110155241
    Abstract: The dye for a dye-sensitized solar cell, which dye is a compound classified into melocyanine dyes and has a structure in which an electron donor unit and an electron acceptor unit are connected with conjugated double bonds, provided by this invention, has excellent photoelectric conversion efficiency and excellent durability, and according to this invention, there can be provided a semiconductor electrode sensitized by the dye and a dye-sensitized solar cell using the semiconductor electrode.
    Type: Application
    Filed: August 5, 2009
    Publication date: June 30, 2011
    Inventors: Masakazu Takata, Koichi Sumioka, Takaaki Kozai
  • Patent number: 6821585
    Abstract: There are disclosed an ink-jet recording material comprising a support, and an ink-receptive layer provided on the support, wherein the ink-jet recording material contains at least one compound selected from a carbohydrazide compound in which at least one nitrogen atom at 1-position and 5-position is substituted by two substituents other than a hydrogen atom and a compound having a 4-oxysemicarbazide structure, and ink for ink-jet recording comprising at least one of the above-mentioned compound.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: November 23, 2004
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Koichi Sumioka, Kozo Haino
  • Patent number: 6607269
    Abstract: There is disclosed an ink-jet recording material including a water resistant support, and a porous ink-receptive layer containing inorganic fine particles having an average particle size of primary particles of 30 nm or less provided on the support, wherein the ink-jet recording material contains at least one hydrazine compound.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: August 19, 2003
    Assignees: Mitsubishi Paper Mills Limited, Seiko Epson Corporation
    Inventors: Koichi Sumioka, Kozo Haino, Hiroshi Sakaguchi, Yukihiro Suzuki, Yukio Tokunaga, Masahiro Hanmura, Hiroyuki Onishi
  • Publication number: 20030072923
    Abstract: There are disclosed an ink-jet recording material comprising a support, and an ink-receptive layer provided on the support, wherein the ink-jet recording material contains at least one compound selected from a carbohydrazide compound in which at least one nitrogen atom at 1-position and 5-position is substituted by two substituents other than a hydrogen atom and a compound having a 4-oxysemicarbazide structure, and ink for ink-jet recording comprising at least one of the above-mentioned compound.
    Type: Application
    Filed: April 23, 2002
    Publication date: April 17, 2003
    Inventors: Koichi Sumioka, Kozo Haino
  • Publication number: 20020140796
    Abstract: There is disclosed an ink-jet recording material comprising a water resistant support, and a porous ink-receptive layer containing inorganic fine particles having an average particle size of primary particles of 30 nm or less provided on the support, wherein the ink-jet recording material contains at least one hydrazine compound.
    Type: Application
    Filed: December 21, 2001
    Publication date: October 3, 2002
    Inventors: Koichi Sumioka, Kozo Haino, Hiroshi Sakaguchi, Yukihiro Suzuki, Yukio Tokunaga, Masahiro Hanmura, Hiroyuki Onishi
  • Patent number: 4904578
    Abstract: This invention provides a light absorbing dye for silver halide photographic light-sensitive material which is represented by the following formula [I] or [II]: ##STR1## wherein R.sub.1 and R.sub.2 which may be identical or different each represents a substituted or unsubstituted alkyl group and may link to each other to form a ring, R.sub.3 represents an alkyl group substituted with at least one sulfo group or an aryl group substituted with at least one sulfo group, R.sub.4 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a carboxy group or an alkoxycarbonyl group, and n represents an integer of 1-4; ##STR2## wherein R.sub.1 represents an alkyl group or an aryl group, R.sub.2 represents an aryl group substituted with sulfo group and R.sub.3 represents an alkyl group.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: February 27, 1990
    Assignee: Mitsubishi Paper Mills, Ltd.
    Inventors: Akira Tanaka, Koichi Sumioka