Patents by Inventor Masakazu Tonishi

Masakazu Tonishi 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: 9627653
    Abstract: Provided is an organic EL element having both excellent light extraction efficiency and excellent weather resistance. The organic EL element (10) has a configuration comprising: an organic EL element main body (1) including an organic compound layer (13) including a light-emitting layer; and a light extraction sheet (2) provided on the light-extraction side of the organic EL element main body (1). In addition, the organic EL element (10) is characterized by: the light extraction sheet (2) including a silicon compound; the haze value of the light extraction sheet (2) being at least 90; and the total light transmittance of the light extraction sheet (2) being at least 80%.
    Type: Grant
    Filed: October 3, 2012
    Date of Patent: April 18, 2017
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kuniaki Uezawa, Masakazu Tonishi
  • Patent number: 9236583
    Abstract: Provided is an organic EL element, wherein the thickness of the organic EL element can be made small and the width of a seal can be made narrower, and change in light-emitting quality over time can be inhibited. The organic EL element (1) is configured to be provided with: a second electrode (13) provided so as to cover an organic compound layer (12); an inorganic insulation film (15) formed within a prescribed area within a non light-emitting area of a first electrode (11), and formed between the first electrode (11) and the second electrode (13); an inorganic film (14) provided so as to cover the second electrode (13); a sealing resin layer (3) provided so as to cover the inorganic film (14); and a sealing base material (4) provided upon the sealing resin layer (3).
    Type: Grant
    Filed: October 3, 2012
    Date of Patent: January 12, 2016
    Assignee: KONICA MINOLTA, INC.
    Inventors: Masato Okuyama, Masakazu Tonishi
  • Publication number: 20140306211
    Abstract: Provided is an organic EL element, wherein the thickness of the organic EL element can be made small and the width of a seal can be made narrower, and change in light-emitting quality over time can be inhibited. The organic EL element (1) is configured to be provided with: a second electrode (13) provided so as to cover an organic compound layer (12); an inorganic insulation film (15) formed within a prescribed area within a non light-emitting area of a first electrode (11), and formed between the first electrode (11) and the second electrode (13); an inorganic film (14) provided so as to cover the second electrode (13); a sealing resin layer (3) provided so as to cover the inorganic film (14); and a sealing base material (4) provided upon the sealing resin layer (3).
    Type: Application
    Filed: October 3, 2012
    Publication date: October 16, 2014
    Inventors: Masato Okuyama, Masakazu Tonishi
  • Publication number: 20140264317
    Abstract: Provided is an organic EL element having both excellent light extraction efficiency and excellent weather resistance. The organic EL element (10) has a configuration comprising: an organic EL element main body (1) including an organic compound layer (13) including a light-emitting layer; and a light extraction sheet (2) provided on the light-extraction side of the organic EL element main body (1). In addition, the organic EL element (10) is characterized by: the light extraction sheet (2) including a silicon compound; the haze value of the light extraction sheet (2) being at least 90; and the total light transmittance of the light extraction sheet (2) being at least 80%.
    Type: Application
    Filed: October 3, 2012
    Publication date: September 18, 2014
    Applicant: Konica Minolta, Inc.
    Inventors: Kuniaki Uezawa, Masakazu Tonishi
  • Patent number: 6027867
    Abstract: A silver halide light sensitive color photographic material comprising a support having thereon hydrophilic colloid layers including a silver halide emulsion layer, at least one of the hydrophilic colloid layers containing a DIR coupler represented by the following formulas: ##STR1## wherein Y represents a yellow coupler moiety, and the residual atomic group represents a development inhibitor residue capable of being released from Y upon coupling reaction with an oxidation product of a color developing agent.
    Type: Grant
    Filed: June 19, 1998
    Date of Patent: February 22, 2000
    Assignee: Konica Corporation
    Inventors: Osamu Ishige, Masakazu Tonishi, Masato Nishizeki, Naoki Sato
  • Patent number: 5382500
    Abstract: Disclosed is a silver halide color photographic light-sensitive material comprising a support and thereon a blue-sensitive silver halide emulsion layer, a green-sensitive silver emulsion layer and a red-sensitive silver halide emulsion layer, wherein said green-sensitive emulsion layer contains at least one coupler represented by Formula M-I and at least one of a non-color-forming compound represented by Formula A-1 or A-2: ##STR1## wherein R represents a hydrogen atom or a substituent; X represents a hydrogen atom or a substituent capable of splitting upon making a reaction with an oxidized product of a color developing agent; and Z represents a group consisting of metal atoms necessary to form a nitrogen-containing heterocyclic ring:Formula (A-1)R.sub.21 --NHSO.sub.2 --R.sub.22wherein R.sub.21 and R.sub.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: January 17, 1995
    Assignee: Konica Corporation
    Inventors: Shuichi Sugita, Hidenobu Ohya, Masakazu Tonishi