Patents by Inventor Kozo Nakamura

Kozo Nakamura 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).

  • Patent number: 9057174
    Abstract: A construction machine diagnosis system is provided. A diagnosis device 10 acquires diagnostic data from a diagnostic data storage device 30, extracts data characteristics from the information contained in the diagnostic data, acquires from a diagnostic knowledge storage device 20 any diagnosing techniques considered to be effective for the data characteristics, and presents to a user the diagnosing techniques along with respective degrees of effectiveness. The user uses the presented degrees of effectiveness to select a desired diagnosing technique and conduct a diagnosis. In addition, in order to make effective use of the diagnostic knowledge stored within the diagnostic knowledge storage device 20, a diagnostic knowledge generating section 107 classifies common data characteristics by elements of diagnosing techniques and stores the classified data characteristics and the elements of the diagnosing techniques, as new diagnostic knowledge.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: June 16, 2015
    Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Hiroki Uchiyama, Yoshinori Furuno, Hideaki Suzuki, Kozo Nakamura
  • Patent number: 9044323
    Abstract: The present invention provides a bearing material that is excellent in durability and is capable of maintaining wear resistance over a long period of time. The bearing material of the present invention is a high wear-resistance bearing material 10 for being used under a humid environment comprising: a base body 12 made of a polymer material having a methylene group; and a polymer layer 30 covering a bearing surface 16 of the substrate 12, the polymer layer 30 comprising polymer chains which have a phosphorylcholine group and are grafted from the bearing surface 16, wherein a phosphoric index of the sliding surface 16 which is calculated by dividing a peak intensity of phosphate group in an infrared spectrum measured on the sliding surface by a peak intensity of the methylene group therein is not less than 0.28.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: June 2, 2015
    Assignee: KYOCERA MEDICAL CORPORATION
    Inventors: Masayuki Kyomoto, Toru Moro, Kazuhiko Ishihara, Tomohiro Konno, Kozo Nakamura, Yoshio Takatori, Hiroshi Kawaguchi, Hiroaki Takadama, Makoto Kondo, Noboru Yamawaki, Takeshi Nizuka, Masami Hashimoto
  • Patent number: 9034414
    Abstract: The object of the present invention is to provide a joint prosthesis, bearing material and a production method thereof, which suppresses wear in a sliding section and suppresses the production of abrasive powder even during repeated daily operation. To achieve the object, there is provided a biomaterial comprising: a substrate made of metal, alloy or ceramic; and a biocompatible material layer laminated on the substrate, wherein hydroxyl groups are formed on the substrate by surface-treating, while the biocompatible material layer comprises a polymer containing phosphorylcholine groups, the substrate and the biocompatible material layer are bound via a binder layer which is combined with the hydroxyl groups of the substrate and with the biocompatible material layer.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: May 19, 2015
    Assignees: KYOCERA MEDICAL CORPORATION, THE UNIVERSITY OF TOKYO, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
    Inventors: Masayuki Kyomoto, Kazuhiko Ishihara, Yasuhiko Iwasaki, Toru Moro, Kozo Nakamura, Yoshio Takatori, Hiroshi Kawaguchi, Tomohiro Konno, Noboru Yamawaki
  • Patent number: 9020942
    Abstract: A maintenance operation instance collection apparatus includes: a storage unit that includes a maintenance operation instance database in which operation information obtained from a device via a sensor and maintenance information on a measure to deal with the operation information corresponding thereto are stored in association with each other; and a control unit that receives an input of new operation information, receives an input of new maintenance information, searches the maintenance operation instance database using the newly-received maintenance information as a search key, acquires searched operation information, compares the newly-received operation information to the acquired operation information, determines whether or not the newly-received operation information is close to the acquired operation information in such a degree of satisfying a prescribed criterion, and, if the newly-received operation information is not determined to be close to the acquired operation information, prompts a re-input
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: April 28, 2015
    Assignee: Hitachi, Ltd.
    Inventors: Hiroki Uchiyama, Shinya Yuda, Kozo Nakamura
  • Patent number: 8994901
    Abstract: A display device in which an image with a wide color reproduction range and bright red can be displayed is provided. The display device is a display device such as, for example, a liquid crystal display device, a cathode ray tube, an organic electroluminescent display device, a plasma display panel, and a field emission display. The display device includes a display surface including a pixel having red, green, blue, and yellow sub-pixels, wherein the red sub-pixel preferably has the largest aperture area.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: March 31, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kozo Nakamura, Shun Ueki, Tokio Taguchi, Akiko Itou
  • Patent number: 8964136
    Abstract: The present invention provides active shutter glasses including shutters in which orientations of their components are freely determined, and provides a stereoscopic image projection system. The present invention provides active shutter glasses for a stereoscopic image projection system, the active shutter glasses comprising: a right-eye shutter; and a left-eye shutter, wherein the right-eye shutter and the left-eye shutter each include a liquid crystal layer and a linear polarizing element, at least one of the right-eye shutter and the left-eye shutter includes a layer adopted to change a vibration direction of polarized light, the linear polarizing element is provided at the outer side of the liquid crystal layer, and the layer adapted to change a vibration direction of polarized light is provided at the outer side of the linear polarizing element.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: February 24, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takahiro Nakahara, Shun Ueki, Kozo Nakamura, Akira Sakai
  • Patent number: 8922724
    Abstract: Disclosed are active shutter glasses and a three-dimensional image recognition unit capable of visually recognizing a three-dimensional image with excellent display quality. The active shutter glasses are active shutter glasses for three-dimensional image recognition. The active shutter glasses comprise a right temple, a left temple, a right-eye lens, and a left-eye lens. The right-eye lens and the left-eye lens comprise liquid crystal cells. The right-eye lens and the left-eye lens have an inclination with respect to a state where the right-eye lens and the left-eye lens are arranged on the same plane, and are arranged on a surface orthogonal to a horizontal surface including the top surfaces of the right temple and the left temple.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: December 30, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shun Ueki, Kozo Nakamura, Takahiro Nakahara
  • Publication number: 20140349123
    Abstract: The present invention provides an interlayer film for laminated glass, that exhibits an excellent sound-insulating performance for solid-borne sound in an environment at or below 0° C. Another object is to provide laminated glass that is obtained using this interlayer film for laminated glass. The present invention is an interlayer film for laminated glass, that has a sound-insulating layer for which a temperature T1, which is the temperature that gives the maximum value of tan ? at a frequency of 1 Hz, is in the range from ?30° C. to 0° C.
    Type: Application
    Filed: August 6, 2014
    Publication date: November 27, 2014
    Inventors: Shouta MATSUDA, Kozo NAKAMURA, Michio SHIMAMOTO, Sinyul YANG
  • Patent number: 8881859
    Abstract: An air guiding structure introduces a cooling air to be supplied to a radiator, positioned forwardly of a combustion engine, and an engine intake air from a single opening in a fairing. The fairing encloses at least an area forwardly of a head pipe and an area laterally outwardly of the radiator. A portion of an inner peripheral face of the opening is formed by an inner cowl. An intake air inlet for introducing the engine intake air is disposed above the radiator. The inner cowl is extended rearwardly to form a cowl extension confronting at least a lower portion of the head pipe and a lower bracket of a front fork assembly from outside. A side wall of the inner cowl including the cowl extension is formed with a guide for guiding an incoming air towards the intake air inlet.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: November 11, 2014
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventor: Kozo Nakamura
  • Patent number: 8838324
    Abstract: Monitoring and diagnosing device including: a classification information storage section; frequency information storage section: a first data classifier section reading out reference classification information from the classification information storage section, comparing operational data, detected by a plurality of sensors and inputted in time sequence, with the reference classification information to classify the operational data, and then generating operational data classification information; a frequency comparator section compiling the operational data classification information, generating operational data frequency information by adding, to the operational data classification information, appearance frequency information for each classification of operational data, reading out reference frequency information from the frequency information storage section, and then generating operational data frequency comparison information by comparing operational data frequency information with the reference frequenc
    Type: Grant
    Filed: January 28, 2010
    Date of Patent: September 16, 2014
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Hideaki Suzuki, Yoshinori Furuno, Kozo Nakamura, Shinya Yuda, Hiroki Uchiyama
  • Patent number: 8828549
    Abstract: The present invention provides an interlayer film for laminated glass, that exhibits an excellent sound-insulating performance for solid-borne sound in an environment at or below 0° C. Another object is to provide laminated glass that is obtained using this interlayer film for laminated glass. The present invention is an interlayer film for laminated glass, that has a sound-insulating layer for which a temperature T1, which is the temperature that gives the maximum value of tan ? at a frequency of 1 Hz, is in the range from ?30° C. to 0° C.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: September 9, 2014
    Assignee: Sekisui Chemical Co., Ltd.
    Inventors: Shouta Matsuda, Kozo Nakamura, Michio Shimamoto, Sinyul Yang
  • Patent number: 8780029
    Abstract: A multiprimary liquid crystal display device in which deteriorations in display quality caused by the coloration of a gray representation when viewed from an oblique direction are suppressed, and a signal conversion circuit for use in such a multiprimary liquid crystal display device are provided. A signal conversion circuit according to the present invention is for use in a multiprimary liquid crystal display device, the multiprimary liquid crystal display device having a pixel defined by a plurality of subpixels including a red subpixel, a green subpixel, a blue subpixel, and a yellow subpixel, and performing multicolor display by using four or more primary colors to be displayed by the plurality of subpixels, the signal conversion circuit converting an input video signal to a multiprimary signal corresponding to four or more primary colors. When a video signal for the pixel to display a gray color having a normalized luminance of no less than 0.2 and no more than 0.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: July 15, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kozo Nakamura, Shun Ueki, Kazunari Tomizawa, Tomohiko Mori, Yuichi Yoshida
  • Patent number: 8773340
    Abstract: A color conversion circuit converts a three-primary-color signal PS0 to a 5-color signal PS5, and includes (i) a color component extraction module that generates, by performing isochromatic conversion, a 7-color signal PS2 made up of 7 color components equivalent in terms of color to color components d1 through d5 of the 5-color signal PS5, and (ii) a matrix operation module that generates color components of the 5-color signal by performing linear combination of the color components of the 7-color signal. With this, it is possible to realize a color conversion circuit by which colors represented by a signal after conversion can be adjusted using intuitively-understandable parameters.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: July 8, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kazunari Tomizawa, Kozo Nakamura
  • Publication number: 20140170331
    Abstract: The object of the present invention is to provide a joint prosthesis, bearing material and a production method thereof, which suppresses wear in a sliding section and suppresses the production of abrasive powder even during repeated daily operation. To achieve the object, there is provided a biomaterial comprising: a substrate made of metal, alloy or ceramic; and a biocompatible material layer laminated on the substrate, wherein hydroxyl groups are formed on the substrate by surface-treating, while the biocompatible material layer comprises a polymer containing phosphorylcholine groups, the substrate and the biocompatible material layer are bound via a binder layer which is combined with the hydroxyl groups of the substrate and with the biocompatible material layer.
    Type: Application
    Filed: February 21, 2014
    Publication date: June 19, 2014
    Applicants: KYOCERA Medical Corporation, NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY, THE UNIVERSITY OF TOKYO
    Inventors: Masayuki KYOMOTO, Kazuhiko ISHIHARA, Yasuhiko IWASAKI, Toru MORO, Kozo NAKAMURA, Yoshio TAKATORI, Hiroshi KAWAGUCHI, Tomohiro KONNO, Noboru YAMAWAKI
  • Publication number: 20140111748
    Abstract: The present invention provides a display device capable of presenting a display with a large color reproduction range and displaying bright red. A display device according to the present invention forms an image by using red, green, blue, and yellow pixels, and includes a light source. Light emitted from the light source has a red peak wavelength of 615 nm or more and 650 nm or less. A half-width of the red peak is 15 nm or more and 70 nm or less when the peak wavelength is 615 nm or more and 635 nm or less, 40 nm or more and 93 nm or less when the peak wavelength is more than 635 nm and 640 nm or less, and 57 nm or more and 93 nm or less when the peak wavelength is more than 640 nm and 650 nm or less.
    Type: Application
    Filed: May 31, 2012
    Publication date: April 24, 2014
    Inventors: Kozo Nakamura, Satoru Kishimoto
  • Patent number: 8697238
    Abstract: The object of the present invention is to provide a joint prosthesis, bearing material and a production method thereof, which suppresses wear in a sliding section and suppresses the production of abrasive powder even during repeated daily operation. To achieve the object, there is provided a biomaterial comprising: a substrate made of metal, alloy or ceramic; and a biocompatible material layer laminated on the substrate, wherein hydroxyl groups are formed on the substrate by surface-treating, while the biocompatible material layer comprises a polymer containing phosphorylcholine groups, the substrate and the biocompatible material layer are bound via a binder layer which is combined with the hydroxyl groups of the substrate and with the biocompatible material layer.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: April 15, 2014
    Assignees: Kyocera Medical Corporation, The University of Tokyo, National University Corporation Tokyo Medical and Dental University
    Inventors: Masayuki Kyomoto, Kazuhiko Ishihara, Yasuhiko Iwasaki, Toru Moro, Kozo Nakamura, Yoshio Takatori, Hiroshi Kawaguchi, Tomohiro Konno, Noboru Yamawaki
  • Publication number: 20140052299
    Abstract: A hydraulic shovel (1) constituted by a plurality of components includes: a storage unit (20) which stores an operation history of a target component included in the plurality of components and targeted for life span estimation, a discrimination threshold value used for classifying usage of the target component into a plurality of usage modes based on the operation history, and a usage mode-specific estimated life span indicative of an estimated life span of the target component in each of the usage modes; and an arithmetic and control unit (10) which performs a process of calculating an operating time of the target component in each of the usage modes in accordance with the operation history of the target component and the discrimination threshold value, and a process of estimating the life span of the target component based on the operating time of the target component calculated for each of the usage modes in the aforementioned process and on the usage mode-specific estimated life span.
    Type: Application
    Filed: April 24, 2012
    Publication date: February 20, 2014
    Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Hideaki Suzuki, Kozo Nakamura, Shinya Yuda, Hiroki Uchiyama, Takashi Saeki, Kesaaki Minemura, Jyunsuke Fujiwara
  • Publication number: 20140000977
    Abstract: The present invention provides an interlayer film for laminated glass, that exhibits an excellent sound-insulating performance for solid-borne sound in an environment at or below 0° C. Another object is to provide laminated glass that is obtained using this interlayer film for laminated glass. The present invention is an interlayer film for laminated glass, that has a sound-insulating layer for which a temperature T1, which is the temperature that gives the maximum value of tan ? at a frequency of 1 Hz, is in the range from ?30° C. to 0° C.
    Type: Application
    Filed: September 6, 2013
    Publication date: January 2, 2014
    Applicant: Sekisui Chemical Co., Ltd.
    Inventors: Shouta MATSUDA, Kozo NAKAMURA, Michio SHIMAMOTO, Sinyul YANG
  • Publication number: 20130301130
    Abstract: There is provided a light diffusing element of a thin film, which has high light diffusibility and a small depolarization factor. A light diffusing element according to an embodiment of the present invention includes: a first region having a first refractive index; a refractive index modulation region having a substantially spherical shell shape, which surrounds the first region; and a second region having a second refractive index, which is positioned on a side of the refractive index modulation region opposite to the first region. The light diffusing element has a haze of 90% to 99.9% and a depolarization factor of 0.2% or less.
    Type: Application
    Filed: September 16, 2011
    Publication date: November 14, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kozo Nakamura, Akinori Nishimura, Hiroyuki Takemoto
  • Publication number: 20130300980
    Abstract: There is provided a light diffusing element made of a thin film capable of realizing low backscattering and a high haze. A light diffusing element according to an embodiment of the present invention includes: a first region having a first refractive index; and a second region having a second refractive index. The first region and the second region form a fine uneven-shaped and spherical shell-shaped boundary.
    Type: Application
    Filed: September 16, 2011
    Publication date: November 14, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Akinori Nishimura, Kozo Nakamura, Hiroyuki Takemoto, Takehito Fuchida