Patents by Inventor Takeshi Hakii

Takeshi Hakii 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: 20150287953
    Abstract: A transparent electrode includes a conductive layer and an intermediate layer disposed adjacent to the conductive layer. The transparent electrode has a light transmittance of 50% or more at a wavelength of 550 nm and a sheet resistance of 20?/? or less. The intermediate layer contains an organic compound containing a sulfur atom having an unshared electron pair. The conductive layer is composed of silver as a main component.
    Type: Application
    Filed: October 21, 2013
    Publication date: October 8, 2015
    Inventors: Hidekane Ozeki, Takayuki Iijima, Kazuhiro Yoshida, Takeshi Hakii
  • Patent number: 9112168
    Abstract: Provided are an organic electroluminescence element, an illumination device, and a display device having lower driving voltage and excellent luminous efficiency. An organic electroluminescence element has a supporting substrate; and a cathode, a light emitting layer and an adjacent layer provided on the supporting substrate, wherein the adjacent layer is arranged adjacent to the outer side of the cathode (i.e., the side opposite to the light emitting layer), wherein the cathode is a transparent layer containing a metal and having a film thickness of 2 nm or more but less than 10 nm; and wherein the adjacent layer has a refractive index of between 1.6 and 1.95, a film thickness of between 15 nm and 180 nm, and contains no light scattering particle.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: August 18, 2015
    Assignee: KONICA MINOLTA, INC.
    Inventors: Hiroshi Ishidai, Takeshi Hakii
  • 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: 20150207080
    Abstract: Provided is a transparent electrode having both sufficient conductivity and sufficient optical transparency. The transparent electrode includes a nitrogen-containing layer including a compound that contains a nitrogen atom or atoms and has an effective lone pair content n/M of 2.0×10?3 or more, wherein n represents the number of unshared electron pairs that neither contribute to aromaticity nor are coordinated to metal among the unshared electron pairs of the nitrogen atom or atoms, and M represents the molecular weight of the compound; an electrode layer including silver as a main component; and a high surface energy material layer that includes a high surface energy material having a sublimation enthalpy higher than that of silver and is provided between and in contact with the nitrogen-containing layer and the electrode layer.
    Type: Application
    Filed: August 21, 2013
    Publication date: July 23, 2015
    Applicant: Konica Minolta Inc.
    Inventors: Kazuhiro Yoshida, Takeshi Hakii, Hiroshi Ishidai, Toshiyuki Kinoshita, Takatoshi Tsujimura, Minako Ono
  • Publication number: 20150128855
    Abstract: The electronic device manufacturing apparatus is provided with: a substrate holding member; a first supply source which is provided so as to move relative to the primary surface side of the substrate, and which forms a nitrogen-containing layer by supplying a nitrogen-containing compound towards the primary surface of the substrate; and a second supply source which is disposed downstream of the first supply source in the direction of movement relative to the substrate, which forms a transparent electrode layer by supplying towards the primary surface of the substrate an electrode material having silver as the main component thereof, and which is disposed such that, between starting formation and two minutes after finishing formation of the nitrogen-containing layer at a prescribed position on the substrate, formation of the transparent electrode layer is started at said prescribed position on the substrate.
    Type: Application
    Filed: April 26, 2013
    Publication date: May 14, 2015
    Inventors: Toshiyuki Kinoshita, Takeshi Hakii, Hiroshi Ishidai, Kazuhiro Yoshida, Minako Ono, Takatoshi Tsujimura
  • Publication number: 20150123091
    Abstract: A transparent electrode is provided with a nitrogen-containing layer, an electrode layer having silver as the main component thereof, and an aluminum intermediate layer, wherein the aluminum intermediate layer is in contact with the nitrogen-containing layer and the electrode layer and sandwiched between the nitrogen-containing layer and the electrode layer. The nitrogen-containing layer is formed by using a compound containing a nitrogen atom. The effective unshared electron pair content [n/M] of this compound satisfies “3.9×10?3?[n/M]”, where n is the number of unshared electron pair(s) not involved in aromaticity and not coordinated to metal, among unshared electron pair(s) owned by the nitrogen atom, and M is molecular weight.
    Type: Application
    Filed: April 17, 2013
    Publication date: May 7, 2015
    Inventors: Takeshi Hakii, Hiroshi Ishidai, Toshiyuki Kinoshita, Kazuhiro Yoshida, Takatoshi Tsujimura, Minako Ono
  • Publication number: 20150118507
    Abstract: A transparent electrode includes a conductive layer and an intermediate layer disposed adjacent to the conductive layer. The intermediate layer contains a halogen compound. The conductive layer is composed of silver as a main component.
    Type: Application
    Filed: April 22, 2013
    Publication date: April 30, 2015
    Inventors: Hidekane Ozeki, Takayuki Iijima, Kazuhiro Yoshida, Takeshi Hakii
  • Publication number: 20150090978
    Abstract: A transparent electrode comprising a nitrogen-containing layer, and an electrode layer provided adjacent to the nitrogen-containing layer and having silver as a main component. The nitrogen-containing layer is configured using a compound containing nitrogen atoms, wherein the effective unshared electron pair content [n/M] is 2.0×10?3?[n/M], n being the number of unshared electron pairs that are not involved in aromaticity and that are not coordinated with the metal from among the unshared electron pairs of the nitrogen atoms, and M being the molecular weight.
    Type: Application
    Filed: April 15, 2013
    Publication date: April 2, 2015
    Inventors: Kazuhiro Yoshida, Takeshi Hakii, Hiroshi Ishidai, Toshiyuki Kinoshita, Takatoshi Tsujimura, Minako Ono
  • Publication number: 20150041788
    Abstract: An organic electroluminescence element includes: a first electrode and a second electrode, a plurality of light emitting units stacked one on top of another between the first electrode and the second electrode and each having a light emitting layer formed by using an organic material, and a transparent conductive layer arranged between the plurality of light emitting units. The transparent conductive layer is formed by using silver or an alloy containing silver as a main component, and is arranged adjacent to a nitrogen-containing layer formed by using a compound containing nitrogen atom.
    Type: Application
    Filed: March 11, 2013
    Publication date: February 12, 2015
    Inventors: Hiroshi Ishidai, Takeshi Hakii, Toshiyuki Kinoshita, Kazuhiro Yoshida, Takatoshi Tsujimura
  • Publication number: 20150028320
    Abstract: Provided is a transparent electrode having both sufficient conductivity and light transmittance, and also provided is an electronic device which improves performance by using said transparent electrode. Further provided is method of manufacturing said transparent electrode. This transparent electrode is provided with a nitrogen-containing layer and an electrode layer. The nitrogen-containing layer is formed at a deposition speed of 0.3 nm/s or greater, and is configured using a compound containing nitrogen atoms. Further, the electrode layer is provided adjacent to the nitrogen-containing layer, has a 12 nm or lower film thickness and a measurable sheet resistance, and is configured using silver or an alloy having silver as the main component.
    Type: Application
    Filed: April 15, 2013
    Publication date: January 29, 2015
    Inventors: Toshiyuki Kinoshita, Takeshi Hakii, Hiroshi Ishidai, Kazuhiro Yoshida, Minako Ono, Takatoshi Tsujimura
  • Publication number: 20150001516
    Abstract: The present invention is made to provide a transparent electrode having both electrical conductivity and light transmissibility, and improve the performance of an electronic device and an organic electroluminescence element. A transparent electrode (1) includes a nitrogen-containing layer (1a) and an electrode layer (1b) formed adjacent to the nitrogen-containing layer (1a). The electrode layer (1b) is formed using silver or an alloy having silver as a main component. The nitrogen-containing layer (1a) is composed of a compound that satisfies Formulas (1) and (2).
    Type: Application
    Filed: December 25, 2012
    Publication date: January 1, 2015
    Inventors: Kazuhiro Yoshida, Takeshi Hakii, Tomohiro Oshiyama, Hiroshi Ishidai, Toshiyuki Kinoshita, Takatoshi Tsujimura
  • Publication number: 20140272398
    Abstract: Provided is a transparent electrode having both sufficient conductivity and light transmittance, as well as an electronic device whose performance is improved by using the transparent electrode. A transparent electrode (1) includes: a nitrogen-containing layer (1a) formed by using a compound containing nitrogen atom; and an electrode layer (1b) formed adjacent to the nitrogen-containing layer (1a) by using silver or an alloy having silver as a main component.
    Type: Application
    Filed: October 25, 2012
    Publication date: September 18, 2014
    Inventors: Takeshi Hakii, Kazuhiro Yoshida
  • Publication number: 20140209886
    Abstract: Provided are an organic electroluminescence element, an illumination device, and a display device having lower driving voltage and excellent luminous efficiency. An organic electroluminescence element has a supporting substrate; and a cathode, a light emitting layer and an adjacent layer provided on the supporting substrate, wherein the adjacent layer is arranged adjacent to the outer side of the cathode (i.e., the side opposite to the light emitting layer), wherein the cathode is a transparent layer containing a metal and having a film thickness of 2 nm or more but less than 10 nm; and wherein the adjacent layer has a refractive index of between 1.6 and 1.95, a film thickness of between 15 nm and 180 nm, and contains no light scattering particle.
    Type: Application
    Filed: August 10, 2012
    Publication date: July 31, 2014
    Applicant: Konica Minolta, Inc.
    Inventors: Hiroshi Ishidai, Takeshi Hakii
  • Publication number: 20130313542
    Abstract: An object is providing an organic electroluminescence element and an illumination device in which a driving voltage does not increase even when a high-productivity sputtering method is used to form a transparent conductive layer of the organic electroluminescence element of a top or top-and-bottom emission type, and hence which has an improved driving voltage. The organic electroluminescence element includes at least a light emitting layer and a transparent conductive layer. Between the light emitting layer and the transparent conductive layer, a transparent protective layer is disposed. The light emitting layer contains a phosphorescence emitting compound. The transparent protective layer contains a metal oxide. The metal oxide is a molybdenum (VI) oxide, a rhenium (VI) oxide or a nickel (II) oxide in an oxygen deficient state.
    Type: Application
    Filed: February 6, 2012
    Publication date: November 28, 2013
    Applicant: KONICA MINOLTA , INC.
    Inventors: Takeshi Hakii, Hiroshi Ishidai
  • Patent number: 8437067
    Abstract: Provided is an electrochemical display element composed of a simple member structure, capable of driving at low voltage, and exhibiting high display contrast and white display reflectance, and further to provide the electrochemical display element exhibiting reduced variation in reflectance during repetitive driving even after storage for a long duration. Disclosed is an electrochemical display element possessing an N-oxyl derivative represented by the following Formula (1), an electrolyte and a pair of facing electrodes: wherein each of R1, R2, R3 and R4 independently represents an aliphatic hydrocarbon group, an aromatic hydrocarbon group or a heterocyclic group, which may have a hydrogen atom or a substituent; Z1 represents a group of atoms having 2 or 3 atoms to form a cyclic structure; and Z1 may also have a substituent.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: May 7, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Takamune Hattori, Osamu Ishige, Takeshi Hakii
  • Patent number: 8384982
    Abstract: A display element containing an electrolyte (containing a metal salt compound) disposed between counter electrodes, wherein a compound represented by the following Formula (A) is immobilized on at least one of the counter electrodes: wherein R22 represents an aryl group, R23 and R24 independently represents a hydrogen atom or a substituent; X represents >N—R25, an oxygen atom or sulfur atom; and R25 represents a hydrogen atom or a substituent, a ratio of a region on which the compound of Formula (A) is immobilized to a region on which the compound is not immobilized is 1:4 to 4:1. A black display, a white display and a color display having a color other than black are achieved by the operation of the counter electrodes.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: February 26, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Takeshi Hakii
  • Patent number: 8383829
    Abstract: An electrochromic compound represented by Formula (1), wherein R1 is an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group; R2 and R3 are each a hydrogen atom or a substituent; X is N—R4, an oxygen atom, or a sulfur atom; and R4 is a hydrogen atom or a substituent; provided that at least one of R1-R4 has a partial structure represented by Formula (2), —Si(Y)nR?(3-n)??Formula (2) wherein Y is a halogen atom or OR, R is an alkyl group, or an aryl group; R? is an alkyl group, an alkenyl group, an aryl group, or a heterocyclic group, and n is an integer of 1-3.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: February 26, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kaori Ono, Osamu Ishige, Takeshi Hakii, Akihito Hisamitsu
  • Patent number: 8064119
    Abstract: This invention provides a novel electrochemical display element, which can realize bright white display, high-contrast black and white display, and full-color display by a simple member construction, and a method for driving the display element. The display element is characterized in that it comprises opposed electrodes, and an electrolyte, an electrochromic compound, a metal salt compound, and a white scattering material between the opposed electrodes, and multicolor display of three or more colors is carried out by black display, white display, and display of color other than black by driving the opposed electrodes by taking advantage of 1) a color change as a result of oxidation and reduction reactions of the electrochromic compound, and 2) a color change as a result of reduction precipitation and oxidation dissolution of a metallic element contained in the metal salt compound in at least one of the opposed electrodes.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: November 22, 2011
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Noriyuki Kokeguchi, Takeshi Hakii, Osamu Ishige
  • Patent number: 8049948
    Abstract: This invention provides a novel process for producing an electrochemical display element, which can easily form a white scattering layer between opposed electrodes, has a high level of suitability for production, and has high stability after long-term use. The production process is characterized in that a film containing a white scattering material and a polymeric binder is formed on at least one electrode in opposed electrodes, the other electrode is disposed so as to face the electrode with film formed thereon, a low-viscosity electrolyte is poured into a space between the opposed electrodes, and the polymeric binder is dissolved in or swollen in the electrolyte to form a gel-like electrolyte layer containing the white scattering material and the polymeric binder within the space.
    Type: Grant
    Filed: June 3, 2008
    Date of Patent: November 1, 2011
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Takeshi Hakii, Tomoo Izumi
  • Patent number: 8030648
    Abstract: Disclosed is a stable organic thin film transistor having good switching property and a process for manufacturing an organic thin film transistor by a simple method. The organic thin film transistor comprises a substrate and provided thereon, at least a source electrode, a drain electrode, an organic semiconductor connecting the source electrode and the drain electrode, a gate electrode, and an insulating layer composed of a plurality of layers, the insulating layer being provided between the gate electrode and the organic semiconductor, wherein the organic thin film transistor comprises a mercapto group-containing compound represented by the following formula (I), (R)n—Si(A)3-n-(B)??Formula (I) wherein R represents an alkyl group having a carbon atom number of not more than 8; A represents an alkoxy group or a halogen atom; B represents a substituent containing an SH group; and n is an integer of from 0 to 2.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: October 4, 2011
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Takeshi Hakii