Patents Assigned to Konica Minolta Holdings, Inc.
  • Patent number: 8683577
    Abstract: An authentication method in a system having a display and a storage device is provided. The authentication method includes the steps of registering an object selected for each user from among a plurality of visually distinguishable objects prepared in advance as a key object in the storage device; and presenting the plurality of objects to the display, accepting selection of an object by a user to be authenticated, and performing authentication based on matching/mismatching of the selected object with the key object registered in association with the user. The step of registering includes a step of determining a degree of freedom of selection of the object at the time of registration of the key object according to a degree of overlapping of the key object already registered in the storage device.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: March 25, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Chiho Murai, Motohiro Asano
  • Patent number: 8682223
    Abstract: An image forming device includes a development member carrying a developer for forming a toner image at an image carrier, a cleaning member abutting against the development member for removing the developer remaining on the development member, a transportation member provided in contact with the development member for transporting the developer supplied to the development member, and a driving unit controlling driving of at least one of the transportation member and the development member. The driving unit executes preliminary driving of the development member and transportation member for a given time under a state where supply of the developer to the transportation member is stopped, prior to main driving in image formation. Consumption and/or degradation of the developer in preliminary driving is suppressed while strain at the development member or transportation member formed of a resilient member is removed.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: March 25, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Keiko Momotani
  • Patent number: 8678565
    Abstract: An electromechanical transducer (1) has a pressurizing chamber (21) and a side-chamber (23) formed in a plate (11). On a driven film (13) forming the upper wall surface (21a) of the pressurizing chamber (21) and the side-chamber (23), a lower electrode (33), a driving member, and an upper electrode (35) are formed in this order. The driving member is composed of an operation section (31p) located over the pressurizing chamber (21), and an extended section (31a) extending from the operation section (31p) to over the side-chamber (23). The side-chamber (23) has a smaller width than the pressurizing chamber (21) in a second direction perpendicular to a first direction in which the side-chamber (23) is located beside the pressurizing chamber (21). The extended section (31a) of the driving member has a smaller width than the side-chamber (23) in the second direction.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: March 25, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kusunoki Higashino, Shinya Matsuda
  • Publication number: 20140076490
    Abstract: Disclosed is a transparent electrode containing a transparent support having thereon: a conductive layer A having a conductive fiber; and a conductive layer B having a conductive polymer, wherein the conductive layer A and the conductive layer B are disposed adjacent each other and the conductive layer A is located nearer to the transparent support than the conductive layer B; and a first surface of the conductive layer B contacting with the conductive layer A has a smoothness Ra(B): Ra(B)?30 nm.
    Type: Application
    Filed: November 25, 2013
    Publication date: March 20, 2014
    Applicant: Konica Minolta Holdings, Inc.
    Inventor: Hiroshi TAKADA
  • Patent number: 8662611
    Abstract: A inkjet printer including a plurality of heads installed in a staggered arrangement, and a relay board for receiving image data, a control signal conforming to each head, and a timing signal for determining timed intervals to emit ink particles from the control unit of the inkjet printer, and for sending the received image data, control signal and timing signal to the aforementioned plurality of respective drive signal generating circuits.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: March 4, 2014
    Assignee: Konica Minolta Holdings, Inc
    Inventor: Minoru Yasuda
  • Patent number: 8660449
    Abstract: This invention provides a developer concentration adjustment apparatus, a method for concentration adjustment, and an image forming apparatus, in which concentration adjustment is performed by use of a stirring load as a substitute characteristic of viscosity which represents a developer concentration, wherein a trouble of abnormality generation in toner concentration detection due to drying-adhesion of a residual developer on the stirrer is reduced. At the time of finishing the concentration adjustment, a concentration adjustment tank is made to be empty and the stirrer is cleaned by carrier liquid or a liquid developer having a concentration lower than a predetermined concentration. Alternatively, the stirrer is cleaned by empty-stirring operation not being put in a cleaning developer.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: February 25, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Keiko Momotani, Atsuto Hirai, Kazuko Fukumoto
  • Patent number: 8652625
    Abstract: A transparent gas barrier film comprising a substrate having thereon a gas barrier layer comprising at least a low density layer and a high density layer, wherein one or more intermediate density layers are sandwiched between the low density layer and the high density layer.
    Type: Grant
    Filed: September 7, 2005
    Date of Patent: February 18, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Kazuhiro Fukuda, Toshio Tsuji, Chikao Mamiya, Hiroaki Arita
  • Patent number: 8653527
    Abstract: Disclosed is a method for manufacturing a thin film transistor in which a semiconductor film in a channel portion is provided between a source electrode and a drain electrode, wherein a partition layer (a bank) can be appropriately formed. The method comprises the steps of: forming two underlying electrodes on an underlying layer; forming a partition layer on the surface of the underlying layer containing the two underlying electrodes so as to surround an area where the source electrode and the drain electrode are to be formed; forming the source electrode and the drain electrode by a plating method on the surfaces of the two underlying electrodes, which are surrounded by the partition layer; and applying semiconductor solution, in which a semiconductor material is dissolved or dispersed, to the area surrounded by the partition layer so that a semiconductor film is formed in the area.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: February 18, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Jun Yamada
  • Patent number: 8648525
    Abstract: Disclosed are a transparent electrode with excellent optical transmittance and conductivity, a purifying method of conductive fibers employed in the transparent electrode and an organic electroluminescence element with reduced luminance unevenness and long product lifetime employing the transparent electrode. The transparent electrode of the invention comprises a transparent substrate and provided thereon, a transparent conductive layer containing conductive fibers and a transparent conductive material, featured in that the content rate of conductive fibers with an aspect ratio of not less than 100 contained in the transparent conductive layer is 99.00% or more.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: February 11, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Takato Chiba, Shinichi Kurakata
  • Patent number: 8647164
    Abstract: An organic electroluminescent element includes a laminated body incorporating an anode substrate, an anode, at least one non-light emitting organic layer A exhibiting positive hole transportability, at least one light emitting organic layer B, at least one non-light emitting organic layer C exhibiting electron transportability, a cathode, and a cathode substrate in the sequence set forth. At least 80% by weight of the organic layer A and the organic layer C in the laminated body is formed via a wet process, and the laminated body is made with an adhesion process between the organic layer A and the organic layer B, or between the organic layer B and the organic layer C.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: February 11, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Masato Nishizeki, Yoshiyuki Suzuri
  • Patent number: 8646897
    Abstract: Provided is a method for forming an image using an ink-jet recording method which forms the image with a single pass printing method employing an ink comprising water in an amount of 20 to 90 weight % based on the total weight of the ink, a pigment and a water soluble resin containing an acidic group which is neutralized with ammonia or an amine compound, the method containing the steps of: applying a processing solution on a coated paper for printing; and ejecting droplets of the ink on the coated paper for printing, wherein the processing solution is capable of aggregating an ingredient of the ink or increasing a viscosity of the ink, and the coated paper for printing is heated from 40 to 60° C. during the step of ejecting the droplets of the ink.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: February 11, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hisashi Mori, Hirotaka Iijima, Manabu Kaneko, Masashi Ikeda
  • Patent number: 8642118
    Abstract: The present invention can easily provide a method of manufacturing a pattern electrode with excellent electroconductivity and excellent transparency and a pattern electrode manufactured according to the method. The method of manufacturing a pattern electrode is characterized in that it comprises the steps of forming on a substrate an electroconductive layer containing metal nanowires, and carrying out pattern printing on the electroconductive layer employing a metal nanowire removing solution, followed by washing with water.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: February 4, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Masaki Goto, Akihiko Takeda, Kazuaki Nakamura
  • Patent number: 8638483
    Abstract: A video image display device (1) is provided with an ocular optical system (12) that guides video image light from a display element (11) to the pupil of an observer through an ocular prism (21) and at the same time guides ambient light to the pupil of the observer through the ocular prism (21). The eyepiece optical system (12) has reflection planes set in the ocular prism (21) that are provided with three or more planes to fold down three or more times an optical path for the video image light from the display element (11), wherein an HOE (23) is formed on at least one plane of the reflection planes. The video image display device (1) satisfies a conditional equation that properly prescribes the relationship between an incident range of the video image light incident on the HOE (23) formed plane in the ocular prism (21) and a display screen size of the display element (11).
    Type: Grant
    Filed: September 12, 2009
    Date of Patent: January 28, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Keiko Yamada, Yoshie Shimizu
  • Patent number: 8637198
    Abstract: A fuel cell system (101) comprising a fuel cell (120) and a reaction container (103), wherein the fuel cell (120) comprises a fuel electrode (121), an air electrode (122) and an electrolyte film (123) and the reaction container (103) comprises a hydrogen storage material (106) and a heater (114) and can supply hydrogen to the fuel cell (120), and wherein a water flow path (109) for supplying water produced in the air electrode (122) to the reaction container (103) is provided.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: January 28, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Nobuhisa Ishida, Kouichi Sameshima, Hiroko Ohmori
  • Patent number: 8633316
    Abstract: Provided is a method for producing a nitrogen-containing condensed heterocyclic compound containing the step of: reacting a compound represented by Formula (1a) or Formula (1b) with a compound represented by Formula (2) under existence of cupper or a cupper ion, and a ligand to produce a nitrogen-containing condensed heterocyclic compound represented by Formula (3a) or Formula (3b):
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: January 21, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shuichi Sugita, Eisaku Katoh, Rie Fujisawa
  • Patent number: 8632157
    Abstract: An inkjet recording device for ejecting ink onto a recording medium to form an image on the recording medium while a recording head is moved with relative movement to the recording medium in a direction along an upper surface of the recording medium, including: a recording head for ejecting ink onto a recording medium; a heating device for heating the recording medium; a conveyance device for conveying the recording medium having been heated by the heating device to under the recording head; and a cooling device which is provided in a state of insulation from the recording head, and has a cooling surface which is cooled to a temperature lower than a temperature of a nozzle surface of the recording head, wherein the cooling surface and the nozzle surface of the recording head are disposed along a direction of the relative movement and to face the recording medium.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: January 21, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shingo Uraki, Kumiko Furuno
  • Patent number: 8630568
    Abstract: Provided is a liquid development apparatus having a constitution in which liquid developer containing carrier liquid with toner dispersed therein is supplied from a liquid developer/cleaning liquid supply member on a pool forming member arranged facing to a supply roller so as to form a pool of the liquid developer, from which pool the liquid developer is supplied to the supply roller, wherein a liquid developer/cleaning liquid supply member supplies cleaning liquid on a pool forming member to form a suitable pooling portion of the cleaning liquid and the liquid developer remaining on the surface of the supply roller is removed and cleaned.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: January 14, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Naoki Yoshie, Yuji Kamoda, Keiko Momotani, Kazuko Fukumoto, Yasuo Shirodai, Eiji Tabata
  • Patent number: 8604504
    Abstract: An organic light-emitting element including an organic light-emitting layer, a transparent substrate, and a transparent electrode disposed between the organic light-emitting layer and the transparent substrate; and which treats the surface of the transparent substrate on the opposite side from the transparent electrode as a light-extraction surface. The transparent substrate has birefringence, and has a refraction index of a P polarized light that is less than a refraction index of an S polarized light. A polarized light wherein an oscillation direction of an electric field is parallel to a laminated surface of the light-emitting layer is designated S polarized light, and a polarized light that includes a vector of the direction of the progression of the light and in which the oscillation direction of the electric field is included in a plane perpendicular to the laminated surface is designated P polarized light.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: December 10, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Koujirou Sekine, Mitsuru Yokoyama
  • Patent number: 8592057
    Abstract: Disclosed is an organic electroluminescence element comprising an anode, a cathode and a plurality of organic compound layers between the anode and the cathode, provided that one of the organic compound layers is a light emitting layer containing a phosphorescence emitting compound, wherein at least one of the organic compound layers contains a compound represented by Formula (2): wherein, X represents O or S; three of Y1 to Y4 each are a group represented by Formula (2A), and one of Y1 to Y4 is a hydrogen atom. Formula (2A) is: Ar1L1n1* wherein, L1 represents a divalent linking group derived from an aromatic hydrocarbon ring or an aromatic heterocycle; n1 represents an integer of 0 to 3, provided that when n1 is 2 or 3, a plurality of L1s may be the same or different; “*” indicates a linking position with Formula (2).
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: November 26, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Rie Katakura, Shuichi Sugita, Eisaku Katoh, Motoaki Sugino, Rie Fujisawa
  • Patent number: 8587743
    Abstract: An inkjet image-drawing device having: a head module having inkjet heads for forming a pattern on a substrate; a head module moving means; a substrate support stage; a substrate support stage moving means including first and second linear moving means, and a rotation moving means; an image pickup means which picks up an mage of the substrate; and an alignment adjusting means which picks up images of markers arranged on the substrate with the image pickup means, and moves the substrate support stage based on a result of the picking up images to adjust the alignment, wherein the image pickup means has, on the main body the device, a camera fixedly disposed outside of a moving range of the head module in the vector direction of the first linear moving means, and a camera fixedly disposed outside of the moving range, in the vector direction of the second linear moving means.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: November 19, 2013
    Assignee: Konica Minolta Holdings, Inc.
    Inventor: Yoshifumi Takafuji