Patents by Inventor Hiroto Itoh

Hiroto Itoh 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: 20230393067
    Abstract: To provide an information processing apparatus, an information processing system, and a trained model that perform analysis using information that is difficult to handle deductively with human reasoning. An information processing apparatus includes: a first acquisition unit that acquires a-posteriori information related to a predetermined target; an extraction unit that extracts a feature from the a-posteriori information; and an analysis unit that analyzes the target based on the feature.
    Type: Application
    Filed: October 26, 2021
    Publication date: December 7, 2023
    Inventors: Yuki ONO, Ippei ENOKIDA, Hiroto ITOH, Saburou HIRAOKA
  • Patent number: 8426846
    Abstract: An objective in the present invention is to provide an organic EL element exhibiting high emission efficiency and long lifetime, together with a lighting device and a display device thereof. In the present invention, disclosed is an organic electroluminescent element comprising a support substrate provided thereon an anode and a cathode, the organic electroluminescent element comprising an organic layer containing a reactive organic compound between the anode and the cathode, wherein the reactive organic compound contained in the organic layer has nonuniform concentration at any point in time between termination of a process of preparing the organic electroluminescent element and a start of electricity application to the organic electroluminescent element.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: April 23, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Tatsuo Tanaka, Hiroshi Kita, Hiroto Itoh, Hideo Taka
  • Publication number: 20110260152
    Abstract: Provided is an organic electroluminescence element comprising an anode, a cathode and at least one light emitting layer sandwiched between the anode and the cathode as a constituting layer, wherein the light emitting layer contains a dopant and a host; crystal grains made of the dopant, the host, or the mixture of the dopant and the host are contained in the light emitting layer; and the crystal grains exhibit an X-ray diffraction peak.
    Type: Application
    Filed: January 12, 2010
    Publication date: October 27, 2011
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Tomoyuki Nakayama, Hiroto Itoh, Yoshiyuki Suzuri
  • Publication number: 20100171101
    Abstract: An objective in the present invention is to provide an organic EL element exhibiting high emission efficiency and long lifetime, together with a lighting device and a display device thereof. In the present invention, disclosed is an organic electroluminescent element comprising a support substrate provided thereon an anode and a cathode, the organic electroluminescent element comprising an organic layer containing a reactive organic compound between the anode and the cathode, wherein the reactive organic compound contained in the organic layer has nonuniform concentration at any point in time between termination of a process of preparing the organic electroluminescent element and a start of electricity application to the organic electroluminescent element.
    Type: Application
    Filed: March 22, 2007
    Publication date: July 8, 2010
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Tatsuo Tanaka, Hiroshi Kita, Hiroto Itoh, Hideo Taka
  • Publication number: 20100120965
    Abstract: Provided are an optical organic-inorganic composite material exhibiting excellent transparency with respect to light having a short wavelength of around 405 nm and an optical element fitted with the optical organic-inorganic composite material, and sufficiently improving temperature dependence of the optical property (refractive index) by utilizing a resin with which an optical element is prepared at low coat in comparison to a glass material. Disclosed is an optical organic-inorganic composite material comprising inorganic particles possessing a composite oxide in which at least two kinds of metal oxides are incorporated, the inorganic particles dispersed in a resin in a state of primary particles or in a state where the plural number of primary particles are coagulated, wherein the dispersed particles have a refractive index variation standard deviation ? of 0.03 or less, and the inorganic particles have an average primary particle diameter of 1-50 nm.
    Type: Application
    Filed: March 11, 2008
    Publication date: May 13, 2010
    Inventors: Masako Kikuchi, Hiroto Itoh, Akiyoshi Kimura
  • Publication number: 20100010138
    Abstract: Disclosed are an organic-inorganic composite material which is small in rate of variation of refractive index with respect to temperature and is excellent in transparency, and an optical element. The organic-inorganic composite material comprises a resin and inorganic microparticles dispersed therein, characterized in that the inorganic microparticles are dispersed in the resin to form dispersion particles in the form of primary particles or in the form in which several primary particles are aggregated, and when particle diameter of the dispersion particles is expressed by D and center-to-center distance between the centers of any of the dispersion particles and a dispersion particle adjacent thereto is expressed by L, the particle diameter D and the center-to-center distance L satisfy the conditions defined by the following formulas (1) and (2).
    Type: Application
    Filed: February 13, 2007
    Publication date: January 14, 2010
    Inventors: Masako Kikuchi, Hiroto Itoh
  • Patent number: 7442627
    Abstract: A transparent conductive layer forming method is disclosed which comprises the steps of introducing a reactive gas to a discharge space, exciting the reactive gas in a plasma state by discharge at atmospheric pressure or at approximately atmospheric pressure, and exposing a substrate to the reactive gas in a plasma state to form a transparent conductive layer on the substrate, wherein the reactive gas comprises a reducing gas.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: October 28, 2008
    Assignee: Konica Corporation
    Inventors: Toshio Tsuji, Hiroto Itoh, Takakazu Kiyomura
  • Publication number: 20070036914
    Abstract: A transparent conductive layer forming method is disclosed which comprises the steps of introducing a reactive gas to a discharge space, exciting the reactive gas in a plasma state by discharge at atmospheric pressure or at approximately atmospheric pressure, and exposing a substrate to the reactive gas in a plasma state to form a transparent conductive layer on the substrate, wherein the reactive gas comprises a reducing gas.
    Type: Application
    Filed: September 29, 2006
    Publication date: February 15, 2007
    Applicant: KONICA CORPORATION
    Inventors: Toshio TSUJI, Hiroto ITOH, Takakazu KIYOMURA
  • Publication number: 20030207093
    Abstract: A transparent conductive layer forming method is disclosed which comprises the steps of introducing a reactive gas to a discharge space, exciting the reactive gas in a plasma state by discharge at atmospheric pressure or at approximately atmospheric pressure, and exposing a substrate to the reactive gas in a plasma state to form a transparent conductive layer on the substrate, wherein the reactive gas comprises a reducing gas.
    Type: Application
    Filed: November 22, 2002
    Publication date: November 6, 2003
    Inventors: Toshio Tsuji, Hiroto Itoh, Takakazu Kiyomura
  • Patent number: 6638447
    Abstract: A preparation method of an oxygen-introduced rare earth activated alkaline earth metal fluorohalide stimulable phosphor is disclosed, comprising (a) preparing a reactant solution having a barium concentration of not less than 3.3 mol/l in a reaction vessel, (b) forming a precursor of the stimulable phosphor, and (c) removing a solvent from a mother liquor.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: October 28, 2003
    Assignee: Konica Corporation
    Inventors: Hideaki Wakamatsu, Hiroto Itoh, Hiroyuki Nabeta, Kanae Kawabata
  • Patent number: 6576326
    Abstract: An ink jet recording sheet comprising a support having thereon a porous ink absorptive layer comprising, inorganic particles, polyvinyl alcohol and a zirconium compound or an aluminum compound, wherein the ink absorptive layer exhibits a concentration gradient of said zirconium compound or the aluminum compound, wherein the concentration increases from the surface of the support towards the surface of the ink absorptive layer.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: June 10, 2003
    Assignee: Konica Corporation
    Inventors: Osamu Hatano, Eisaku Katoh, Masayuki Ushiku, Yoshinori Tsubaki, Hiroto Itoh
  • Patent number: 6531073
    Abstract: A method for preparing a rare earth activated alkaline earth metal fluorohalide stimulable phosphor represented by formula (Ba1−xM2x)FBryI1−y:aM1, bLn, cO is discloded, comprising the steps of (a) preparing an aqueous mother liquor containing BaX2 of not less than 2.0 mol/l and a halide of Ln, (b) adding an aqueous solution containing an inorganic fluoride of not less than 5 mol/l to the mother liquor while maintaining a temperature of at least 50° C. to form a crystalline precipitate of a precursor of the stimulable phosphor, (c) separating the precipitate of the precursor from the mother liquor, and (d) calcining the separated precipitate.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: March 11, 2003
    Assignee: Konica Corporation
    Inventors: Hideaki Wakamatsu, Haruhiko Masutomi, Yasushi Nakano, Akihiro Maezawa, Hiroto Itoh, Isao Kobayashi, Sadatoshi Nishibuchi
  • Publication number: 20020094420
    Abstract: An ink jet recording sheet comprising a support having thereon a porous ink absorptive layer comprising, inorganic particles, polyvinyl alcohol and a zirconium compound or an aluminum compound, wherein the ink absorptive layer exhibits a concentration gradient of said zirconium compound or the aluminum compound, wherein the concentration increases from the surface of the support towards the surface of the ink absorptive layer.
    Type: Application
    Filed: November 26, 2001
    Publication date: July 18, 2002
    Inventors: Osamu Hatano, Eisaku Katoh, Masayuki Ushiku, Yoshinori Tsubaki, Hiroto Itoh
  • Publication number: 20020001669
    Abstract: A preparation method of an oxygen-introduced rare earth activated alkaline earth metal fluorohalide stimulable phosphor is disclosed, comprising (a) preparing a reactant solution having a barium concentration of not less than 3.3 mol/l in a reaction vessel, (b) forming a precursor of the stimulable phosphor, and (c) removing a solvent from a mother liquor.
    Type: Application
    Filed: April 20, 2001
    Publication date: January 3, 2002
    Inventors: Hideaki Wakamatsu, Hiroto Itoh, Hiroyuki Nabeta, Kanae Kawabata
  • Patent number: D544529
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: June 12, 2007
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventors: Noriaki Takahashi, Hiroto Itoh