Patents Assigned to Konica Minolta Holdings, Inc.
  • Patent number: 8885185
    Abstract: An image forming system comprising: a controller, provided with a list creation means to create a display list by analyzing PDL data, a decompression means to decompress compressed image data, a drawing means to execute drawing based on the image data, and a print data creation means to create the print data based on the image data, for sending the print data to a printer; and a rasterization accelerator, provided with a second drawing means to execute drawing processing based on the display list, and a compression means to compress the image data drawn by the second drawing unit, for sending the image data to the controller, wherein the rasterization accelerator comprises a determination means for determining, based on the information of the display list, whether to execute or not the compression of the image data, and a compression method in case of executing the compression.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: November 11, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shinya Fujisawa, Kiyoshi Takagi, Takenori Kitada, Hitoshi Koyanagi
  • Patent number: 8873981
    Abstract: An image forming apparatus includes: a development member carrying developer for forming a toner image on an image carrier; a cleaning member in contact with the development member for removing the developer left on the development member; a carrying member provided in contact with the development member, for carrying the supplied developer to the development member; a driving part driving at least one of the carrying member and the development member; and a regulating mechanism for separating the cleaning member and the development member from each other. The driving part causes preliminary rotation of the development member and the carrying member with the cleaning member separated from the development member, before starting main rotation for image formation.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: October 28, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kazuko Fukumoto, Atsuto Hirai
  • Patent number: 8865793
    Abstract: An ink-jet recording ink which is utilized for printing on a heated recording medium, wherein the ink contains at least (1) a pigment, (2) an ink-soluble resin of 2-10 weight % based on a solid content, (3) a water-soluble organic solvent, and (4) a silicone type or a fluorine type surfactant, and the ink-soluble resin and the water-soluble organic solvent satisfy the following conditions: 1) at least one type of the ink-soluble resin is provided with a carboxyl group as an acid group, and an acid value of not less than 80 and less than 300, and 2) the water-soluble organic solvent contains at least 5-15 weight % of solvent A, and 2-15 weight % of solvent B; solvent A: a glycol ether or 1,2-alkanediols, and solvent B: a cyclic solvent, a cyclic ester solvent or a dimethyl sulfoxide, containing a nitrogen or a sulfur atom.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: October 21, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hidenobu Ohya, Masayuki Ushiku, Tomoe Kawanami
  • Patent number: 8860014
    Abstract: An organic electroluminescent member comprising: a positive electrode and a negative electrode on a substrate: multiple organic layers which include at least a positive hole transport layer, a light-emitting layer and an electron transport layer, and which are arranged between the positive electrode and the negative electrode; and an electron injection layer arranged between the electron transport layer and the negative electrode. The electron injection layer is formed from at least one selected from the group consisting of alkali metals and compounds containing alkali metals having a melting point of less than 90° C., and at least one selected from the group consisting of alkali metals, alkaline earth metals, compounds containing alkali metals, and compounds containing.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: October 14, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kenji Arai, Toshihiko Iwasaki
  • Patent number: 8862006
    Abstract: A wet-type image forming apparatus forms a toner image on an image carrier using liquid developer containing carrier liquid and toner dispersed therein. The apparatus includes: a developing member carrying the liquid developer to develop a latent image thereby forming the toner image on the image carrier; a charger for charging the liquid developer on the developing member according to a current applied on the charger; a measuring member for measuring a potential of the liquid developer charged by the charger; and a controller for controlling an amount of the liquid developer on the developing member, before the toner image is formed on the image carrier, by setting plural values of the current to be applied on the charger and controlling the amount of the liquid developer based on results of measurement of potentials of the liquid developer charged by the charger with the plural values of the applied current.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: October 14, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Atsuto Hirai
  • Patent number: 8854647
    Abstract: Whether or not allocation to router control is used up is determined. Whether or not CPU utilization allocated to the router control is used up is determined. If it is determined that the allocation for router control is used up, a sub-allocation changing process is executed for changing the CPU utilization. If it is determined that the allocation for router control is not used up, a router control allocation subtracting process is executed.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: October 7, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Kenji Masaki
  • Patent number: 8852757
    Abstract: Disclosed is an organic electroluminescent device having high external quantum efficiency and long emission life. Also disclosed are an illuminating device and a display, each comprising such an organic electroluminescent device. The organic electroluminescent device is characterized by comprising at least an anode and a cathode on a supporting substrate, while having at least one light-emitting layer between the anode and the cathode. The organic electroluminescent device is also characterized by containing a polymer which at least partially contains a compound A having a partial structure represented by the general formula (a) below and a reactive group, and is obtained by polymerizing the compound A through the reactive group. (In the formula, Ar1 and Ar2 respectively represent an aromatic ring.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: October 7, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Rie Katakura, Hiroshi Kita, Tatsuo Tanaka, Hideo Taka
  • Patent number: 8846187
    Abstract: Disclosed is a transparent gas barrier film having good transparency and good gas barrier properties, which exhibits excellent adhesion even after storage under severe environmental conditions, and does not deteriorate even when a large impact is applied thereto. The transparent gas barrier film is characterized by having, on a resin base, at least two layers having different elastic moduluses. The transparent gas barrier film is further characterized in that the elastic modulus difference between adjoining layers is not less than 1 GPa but not more than 20 GPa, and each layer has a thickness of not less than 1 nm but not more than 10 nm.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: September 30, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Kazuhiro Fukuda
  • Patent number: 8841928
    Abstract: In an organic EL panel inspection method, to determine whether an organic EL panel is good or bad, a plurality of voltages having different values are sequentially applied to the organic EL panel, thereby measuring the respective currents. According to the currents, the following three criteria are checked: criterion (1), whether or not a spike current is present in the measured currents, criterion (2), between when the plurality of voltages are sequentially applied from one direction to the other direction of the voltage and when the plurality of voltages are sequentially applied from the other direction to the one direction, whether or not currents having different current densities occur at the same voltage, and criterion (3), the absolute value of the current density of current flowing when a predetermined voltage in the reverse direction is applied to the organic EL panel.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: September 23, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Keiichi Furukawa, Kuniaki Uezawa, Toshiyuki Kinoshita
  • Patent number: 8823694
    Abstract: Provided is a display apparatus having: a voltage application control section to apply a voltage onto electrochemical display elements of an ED type for each frame period; a frame control section 84 to control the number of frequencies at which the period of the frame has elapsed after the start of the erasure or writing of an image by the voltage application unit with a frame number; an assigning section 82 to assign starting frame numbers at which the individual electrochemical display elements start the erasure or writing before the erasure or writing is performed; and a voltage application control unit 83 to control the voltage application unit so that the voltages may be applied to the individual electrochemical display elements on the basis of the stating frame numbers and the frame number.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: September 2, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Naoki Masazumi
  • Patent number: 8818243
    Abstract: A wet-type development device includes a draw-up roller and a conveyance roller rotating in contact with each other's surface, and a developer regulating member arranged facing to and keeping a distance from a nip section formed between the draw-up roller and the conveyance roller at the contact surface. The developer regulating member forms a storage space for storing developer to be supplied toward the nip section, on the upstream side of the nip section. The fluid level of developer in the vertical direction in the storage space is higher than the nip section when the developer is being supplied to the nip section.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: August 26, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Yasuo Shirodai
  • Patent number: 8808874
    Abstract: An organic electroluminescent element containing an anode and a cathode having therebetween a light emitting layer, wherein the light emitting layer contains a guest compound having a substructure represented by Formula (AA): wherein A represents a group of atoms necessary to form an aromatic hydrocarbon ring or an aromatic heterocycle, B represents a group of atoms necessary to form a 5-membered aromatic heterocycle containing nitrogen or a 5-membered heterocycle containing nitrogen and M represents Ir or Pt, and a host compound represented by Formula (1):
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: August 19, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shinya Otsu, Masato Nishizeki, Eisaku Katoh, Tomohiro Oshiyama
  • Patent number: 8809091
    Abstract: A method of manufacturing an organic electroluminescence element having on a belt-formed flexible base material, a first electrode, at least one organic functional layer, and a second electrode, includes continuously forming at least one organic functional layer by coating the same on a first electrode which is formed continuously on the flexible base material in the conveying direction thereof, further forming a second electrode on the organic functional layer, so as to make a plurality of organic electroluminescence element structures in the conveying direction, and then cutting the electroluminescence element structures into individual organic electroluminescence elements so as to manufacture organic electroluminescence elements.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: August 19, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Nobuaki Takahashi, Shigetoshi Kawabe, Natsuki Yamamoto
  • Patent number: 8794755
    Abstract: A printed matter production process including ejecting droplets of an actinic ray curable inkjet ink in a heated state through a head to supply the droplets onto a recording medium, thereby forming an image, the actinic ray curable inkjet ink including a polymerizable compound, a photopolymerization initiator and a gelling agent, having a viscosity of from 60 to 200 mPasecond at 25° C. and at a shear rate of 1000/second and showing a phase transition at a temperature of not lower than 25° C., characterized in that the actinic ray curable inkjet ink includes a bifunctional polymerizable compound with a molecular weight of not lower than 400 and with a viscosity at 25° C. of not more than 100 mPasecond in an amount of not less than 75 % by mass of the total amount of the polymerizable compound.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: August 5, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hirotaka Iijima, Toshiyuki Takabayashi, Akio Maeda
  • Patent number: 8796674
    Abstract: Provided is a method of manufacturing an organic electronic device, wherein an organic electronic device that controls the injection and mobility of carriers in an organic charge transport layer thereof is manufactured by laminating organic layers comprising the same charge transportable organic compound, when manufacturing the organic electronic device with the coating method.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: August 5, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shun Furukawa, Tomoyuki Nakayama, Hiroshi Ishidai
  • Patent number: 8790793
    Abstract: Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode, wherein the plurality of organic layers comprise: a light emitting layer containing a phosphorescence emitting compound; and an electron transport layer containing a compound represented by Formula (1), (Ar1)n1-Y1??Formula (1) wherein n1 is an integer of 1 or more; Y1 is a substituent when n1 is 1, and Y1 is a single bond or a linking group of n1 valences when n1 is two or more; Ar1 is a group represented by Formula (A), a plurality of Ar1 may be the same or different with each other when n1 is two or more; and the compound represented by Formula (1) contains at least two condensed aromatic heterocyclic rings each comprising 3 or more rings condensed with each other.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: July 29, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Noriko Yasukawa, Hiroshi Kita, Eisaku Katoh, Tatsuo Tanaka, Shinya Otsu, Rie Katakura, Hidekane Ozeki, Hideo Taka
  • Patent number: 8778509
    Abstract: An organic electroluminescence element comprising at least an emission layer sandwiched between an anode and a cathode, wherein the emission layer comprises a metal complex having a partial structure represented by Formula (1):
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: July 15, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Noriko Yasukawa, Eisaku Katoh, Tomohiro Oshiyama
  • Patent number: 8778507
    Abstract: Disclosed is an organic electroluminescent (EL) device having high emission luminance and high emission efficiency. Particularly disclosed are a blue-light emitting organic EL device, which is high in emission luminance, color purity, emission efficiency and durability, a display and an illuminating device each employing the organic EL device. The organic El device is characterized in that it comprises a light emission layer containing two or more kinds of host compounds and at least one dopant, wherein at least one of the two or more kinds of host compounds has an excited triplet energy of not less than 2.7 eV, and the dopant is a phosphorescent compound.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: July 15, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Junko Tamura, Hiroshi Kita, Eisaku Katoh, Noriko Yasukawa
  • Patent number: 8778506
    Abstract: An organic electroluminescent element comprising a metal complex represented by Formula (1), wherein Z is a hydrocarbon ring or a heterocyclic ring, provided that each of the hydrocarbon ring and the heterocyclic ring has a substituent having a steric parameter (Es) of ?0.5 or less at the third atom of the ring counted from a nitrogen atom attached to Z, the nitrogen atom being counted as the first atom, X, Y, A, B, X1-L1-X2, M1, m1 and m2 are described in the specification.
    Type: Grant
    Filed: February 16, 2007
    Date of Patent: July 15, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Dai Ikemizu, Hiroshi Kita, Masato Nishizeki, Eisaku Katoh, Tomohiro Oshiyama
  • Patent number: RE45216
    Abstract: An organic electroluminescent element including at least an emission layer sandwiched between an anode and a cathode, wherein the emission layer comprises at least a compound represented by Formula (A),
    Type: Grant
    Filed: September 25, 2012
    Date of Patent: October 28, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Tatsuo Tanaka, Hideo Taka