Patents by Inventor Yasushi Okubo

Yasushi Okubo 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).

  • Publication number: 20240089390
    Abstract: An image processing apparatus includes a placement unit that is provided on an upper surface of a housing and on which a document is placed, an imaging unit that images the placement unit from above, a light emitting device that causes at least a part of the placement unit to emit light, and a processor configured to: control the light emitting device not to emit light, in a case where it is detected that the document is placed on the placement unit.
    Type: Application
    Filed: March 23, 2023
    Publication date: March 14, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yasushi ICHINOWATARI, Yuki NOGUCHI, Megumi OKUBO, Miki HAGIWARA
  • Patent number: 10527931
    Abstract: A mask blank is provided, by which an alignment mark can be formed between a transparent substrate and a laminated structure of a light semitransmissive film, etching stopper film, and light shielding film during manufacture of a transfer mask.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: January 7, 2020
    Assignee: HOYA CORPORATION
    Inventors: Osamu Nozawa, Ryo Ohkubo, Hiroaki Shishido, Yasushi Okubo
  • Publication number: 20190004419
    Abstract: A mask blank is provided, by which an alignment mark can be formed between a transparent substrate and a laminated structure of a light semitransmissive film, etching stopper film, and light shielding film during manufacture of a transfer mask.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 3, 2019
    Applicant: HOYA CORPORATION
    Inventors: Osamu NOZAWA, Ryo Ohkubo, Hiroaki Shishido, Yasushi Okubo
  • Patent number: 10101650
    Abstract: A mask blank is provided, by which an alignment mark can be formed between a transparent substrate and a laminated structure of a light semitransmissive film, etching stopper film, and light shielding film during manufacture of a transfer mask.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: October 16, 2018
    Assignee: HOYA CORPORATION
    Inventors: Osamu Nozawa, Ryo Ohkubo, Hiroaki Shishido, Yasushi Okubo
  • Patent number: 9972802
    Abstract: The organic electroluminescent element has a pair of electrodes and at least two organic functional layers including a light-emitting layer on a substrate. The light-emitting layer contains a host compound and a phosphorescent dopant. The light-emitting layer or the layer adjacent to the light-emitting layer contains quantum dots.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: May 15, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Dai Ikemizu, Takayuki Iijima, Takamune Hattori, Yasushi Okubo, Hideo Taka
  • Patent number: 9952497
    Abstract: A mask blank suitable for fabricating a phase shift mask having a thin film pattern composed of a material enabling dry etching with a fluorine-based gas and a substrate-engraved pattern. The mask blank 100 is used to fabricate a phase shift mask having a thin film pattern and a substrate-engraved pattern. The mask blank 100 has a structure in which an etching stopper film 2, a thin film for pattern formation 3 and an etching mask film 4 are laminated in this order on a transparent substrate 1. The etching stopper film 2 is made of a material that contains chromium and oxygen and the oxygen content thereof is more than 50 at %. The thin film 3 is made of a material that can be dry-etched by a fluorine-based gas. The etching mask film 4 is made of a material that contains chromium, the chromium content thereof is not less than 45 at %, and the oxygen content thereof is not more than 30 at %.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: April 24, 2018
    Assignee: HOYA CORPORATION
    Inventors: Yasushi Okubo, Ryo Ohkubo
  • Patent number: 9941422
    Abstract: Provided are a transparent conductive film having a simple manufacturing process and high transparency, high photoelectric conversion efficiency, and excellent durability and an organic photoelectric conversion element using this transparent conductive film. The transparent conductive film of the present invention is formed by laminating a ground layer which contains a nitrogen-containing organic compound and a metal thin film layer which contains a metal element of Group 11 of the periodic table and has a thickness of from 2 to 10 nm.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: April 10, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Yasushi Okubo, Hiroaki Itoh, Ayako Wachi, Hiroshi Ishidai
  • Patent number: 9935269
    Abstract: Disclosed is an electroluminescence element, wherein at least a first electrode, a light-emitting layer, and a second electrode may be laminated on a substrate in said order. In said element, the light-emitting layer may contain quantum dots, and an intermediate layer formed from a polymer containing nitrogen atoms may be formed between the first electrode and the light-emitting layer.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: April 3, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Yasushi Okubo, Dai Ikemizu, Hideo Taka
  • Patent number: 9882072
    Abstract: Provided is a solar cell including a pair of electrodes, and a photoelectric conversion layer of chalcopyrite structure sandwiched between the pair of electrodes. At least one of the pair of electrodes, adapted to serve as a transparent electrode, has a nitrogen-containing layer composed with the use of an organic compound containing a nitrogen atom, and an electrode layer containing a metal of the Group 11 of the periodic table, which is provided to be laminated on the nitrogen-containing layer, thereby improving the photoelectric conversion efficiency.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: January 30, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Yasushi Okubo, Hiroaki Itoh, Ayako Wachi, Hidekane Ozeki, Kazuhiro Yoshida, Takeshi Hakii
  • Patent number: 9666818
    Abstract: A tandem-type organic photoelectric conversion element has at least a first electrode, a second electrode, and a plurality of bulk heterojunction layers each comprising a p-type organic semiconductor material and an n-type organic semiconductor material. The tandem-type organic photoelectric conversion element and a solar battery are characterized in that when the absorption wavelengths of the bulk heterojunction layers are such that a second bulk heterojunction layer absorbs up to a longer wavelength than a first bulk heterojunction layer, the LUMO energy level (LUMO(n1)) of the film of the n-type semiconductor in the first bulk heterojunction layer and the LUMO energy level (LUMO(n2)) of the film of the n-type semiconductor in the second bulk heterojunction layer satisfy the following equation (1): 0.4 eV?LUMO(n1)?LUMO(n2)?0.1 eV??(1).
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: May 30, 2017
    Assignee: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Yasushi Okubo, Noriko Yasukawa, Hiroaki Itoh, Takamune Hattori
  • Patent number: 9634261
    Abstract: Disclosed is an organic photoelectric conversion element which has a reverse layer structure wherein at least a first electrode, a photoelectric conversion layer and a second electrode are arranged on a substrate in this order. The organic photoelectric conversion element is characterized in that: the photoelectric conversion layer is a bulk heterojunction layer that is composed of a p-type organic semiconductor material and an n-type organic semiconductor material; and a compound that has a linear or branched fluorinated alkyl group having 6-20 carbon atoms is contained as the p-type organic semiconductor material.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: April 25, 2017
    Assignee: KONICA MINOLTA INC.
    Inventors: Yasushi Okubo, Kunio Tani
  • Publication number: 20170023856
    Abstract: A mask blank suitable for fabricating a phase shift mask having a thin film pattern composed of a material enabling dry etching with a fluorine-based gas and a substrate-engraved pattern. The mask blank 100 is used to fabricate a phase shift mask having a thin film pattern and a substrate-engraved pattern. The mask blank 100 has a structure in which an etching stopper film 2, a thin film for pattern formation 3 and an etching mask film 4 are laminated in this order on a transparent substrate 1. The etching stopper film 2 is made of a material that contains chromium and oxygen and the oxygen content thereof is more than 50 at %. The thin film 3 is made of a material that can be dry-etched by a fluorine-based gas. The etching mask film 4 is made of a material that contains chromium, the chromium content thereof is not less than 45 at %, and the oxygen content thereof is not more than 30 at %.
    Type: Application
    Filed: October 6, 2016
    Publication date: January 26, 2017
    Applicant: HOYA CORPORATION
    Inventors: Yasushi OKUBO, Ryo OHKUBO
  • Patent number: 9494852
    Abstract: A mask blank suitable for fabricating a phase shift mask having a thin film pattern composed of a material enabling dry etching with a fluorine-based gas and a substrate-engraved pattern. The mask blank 100 is used to fabricate a phase shift mask having a thin film pattern and a substrate-engraved pattern. The mask blank 100 has a structure in which an etching stopper film 2, a thin film for pattern formation 3 and an etching mask film 4 are laminated in this order on a transparent substrate 1. The etching stopper film 2 is made of a material that contains chromium and oxygen and the oxygen content thereof is more than 50 at %. The thin film 3 is made of a material that can be dry-etched by a fluorine-based gas. The etching mask film 4 is made of a material that contains chromium, the chromium content thereof is not less than 45 at %, and the oxygen content thereof is not more than 30 at %.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: November 15, 2016
    Assignee: HOYA CORPORATION
    Inventors: Yasushi Okubo, Ryo Ohkubo
  • Publication number: 20160285008
    Abstract: An object of the present invention is to provide an organic electroluminescent element which has a high luminous efficiency and an excellent driving voltage and exhibits excellent stability, and a display device and a lighting device that are equipped with the organic electroluminescent element. The organic electroluminescent element of the present invention is an organic electroluminescent element which includes at least an electron injection layer, an electron transport layer, and a luminous layer between a positive electrode and a negative electrode and in which the electron injection layer contains an electride, the electron transport layer contains an organic compound having a nitrogen atom, at least one of the nitrogen atoms has a lone pair of electrons that does not participate in aromaticity, and the lone pair of electrons does not coordinate a metal.
    Type: Application
    Filed: October 28, 2014
    Publication date: September 29, 2016
    Inventors: Yasushi OKUBO, Keiko ISHIDAI, Takeshi HAKII
  • Publication number: 20160187769
    Abstract: A mask blank is provided, by which an alignment mark can be formed between a transparent substrate and a laminated structure of a light semitransmissive film, etching stopper film, and light shielding film during manufacture of a transfer mask.
    Type: Application
    Filed: September 5, 2014
    Publication date: June 30, 2016
    Applicant: HOYA CORPORATION
    Inventors: Osamu NOZAWA, Ryo OHKUBO, Hiroaki SHISHIDO, Yasushi OKUBO
  • Patent number: 9318707
    Abstract: An organic photoelectric conversion element which sequentially comprises a transparent first electrode, a photoelectric conversion layer that contains a p-type organic semiconductor material and an n-type organic semiconductor material, and a second electrode in this order on a transparent substrate.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: April 19, 2016
    Assignee: KONICA MINOLTA, INC.
    Inventors: Takamune Hattori, Yasushi Okubo
  • Publication number: 20150287927
    Abstract: Disclosed is an electroluminescence element, wherein at least a first electrode, a light-emitting layer, and a second electrode may be laminated on a substrate in said order. In said element, the light-emitting layer may contain quantum dots, and an intermediate layer formed from a polymer containing nitrogen atoms may be formed between the first electrode and the light-emitting layer.
    Type: Application
    Filed: October 9, 2013
    Publication date: October 8, 2015
    Inventors: Yasushi Okubo, Dai Ikemizu, Hideo Taka
  • Publication number: 20150221793
    Abstract: Provided is a solar cell including a pair of electrodes, and a photoelectric conversion layer of chalcopyrite structure sandwiched between the pair of electrodes. At least one of the pair of electrodes, adapted to serve as a transparent electrode, has a nitrogen-containing layer composed with the use of an organic compound containing a nitrogen atom, and an electrode layer containing a metal of the Group 11 of the periodic table, which is provided to be laminated on the nitrogen-containing layer, thereby improving the photoelectric conversion efficiency.
    Type: Application
    Filed: September 4, 2013
    Publication date: August 6, 2015
    Applicant: Konica Minolta, Inc.
    Inventors: Yasushi Okubo, Hiroaki Itoh, Ayako Wachi, Hidekane Ozeki, Kazuhiro Yoshida, Takeshi Hakii
  • Publication number: 20150198873
    Abstract: A mask blank suitable for fabricating a phase shift mask having a thin film pattern composed of a material enabling dry etching with a fluorine-based gas and a substrate-engraved pattern. The mask blank 100 is used to fabricate a phase shift mask having a thin film pattern and a substrate-engraved pattern. The mask blank 100 has a structure in which an etching stopper film 2, a thin film for pattern formation 3 and an etching mask film 4 are laminated in this order on a transparent substrate 1. The etching stopper film 2 is made of a material that contains chromium and oxygen and the oxygen content thereof is more than 50 at %. The thin film 3 is made of a material that can be dry-etched by a fluorine-based gas. The etching mask film 4 is made of a material that contains chromium, the chromium content thereof is not less than 45 at %, and the oxygen content thereof is not more than 30 at %.
    Type: Application
    Filed: June 25, 2013
    Publication date: July 16, 2015
    Applicant: HOYA CORPORATION
    Inventors: Yasushi Okubo, Ryo Ohkubo
  • Patent number: 9075319
    Abstract: A mask blank and transfer mask that overcomes problems caused by an electromagnetic field (EMF) effect when a DRAM half pitch (hp) is 32 nm or less specified in semiconductor device design specifications. The mask blank is used in manufacturing a transfer mask to which ArF exposure light is applied, and includes a light shielding film 10 having a multilayer structure. The multilayer structure includes a light shielding layer 11 and a surface anti-reflection layer 12 formed on a transparent substrate 1. An auxiliary light shielding film 20 is formed on the light shielding film 10. The light shielding film 10 has a thickness of 40 nm or less and an optical density of 2.0 or more to 2.7 or less for exposure light. The optical density is 2.8 or more for exposure light in the multilayer structure of the light shielding film 10 and the auxiliary light shielding film 20.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: July 7, 2015
    Assignee: HOYA CORPORATION
    Inventors: Masahiro Hashimoto, Hiroyuki Iwashita, Yasushi Okubo, Osamu Nozawa