Patents by Inventor Yoshimasa Kobayashi

Yoshimasa Kobayashi 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: 20140212604
    Abstract: Provided is a thermal transfer sheet capable of repressing residue that accumulates before insertion of a heating element of the thermal head. In the thermal transfer sheet, a heat-resistant lubricating layer is formed on a surface of the substrate, wherein the heat-resistant lubricating layer includes one or more of layers which include a back face layer, the back face layer is arranged at a position farthest from the substrate, at least one layer which composes the heat-resistant lubricating layer includes a binder resin and organic minute particles which each has a polygonal shape, and a portion of surfaces of the organic minute particles protrude from a surface of the back layer.
    Type: Application
    Filed: September 26, 2012
    Publication date: July 31, 2014
    Applicant: DAI Nippon Printing Co., Ltd
    Inventors: Tomoko Suzuki, Yoshimasa Kobayashi, Kano Sakamoto
  • Patent number: 8717397
    Abstract: There is provided a thermal transfer sheet that, by virtue of flexibility and heat resistance imparted by a primer layer constituting the thermal transfer sheet, is less likely to be broken even upon exposure to a high level of thermal energy and is highly suitable for high-speed printing. The thermal transfer sheet has a thermally transferable colorant layer provided on one surface of a base material sheet, and a heat-resistant slipping layer provided on the other surface of the base material sheet through a primer layer. The primer layer contains at least a polyvinyl alcohol resin and a crosslinking agent.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: May 6, 2014
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Tomoko Suzuki, Yoshimasa Kobayashi, Kano Sakamoto, Shinya Yoda, Mitsuhiro Oota
  • Publication number: 20140021662
    Abstract: A manufacturing method of a sintered ceramic body mixes barium silicate with aluminum oxide, a glass material, and an additive oxide to prepare a material mixture, molds the material mixture and fires the molded object. The barium silicate is monoclinic and has an average particle diameter in a range of 0.3 ?m to 1 ?m and a specific surface area in a range of 5 m2/g to 20 m2/g. The aluminum oxide has an average particle diameter in a range of 0.4 ?m to 10 ?m, a specific surface area in a range of 0.8 m2/g to 8 m2/g. A volume ratio of the aluminum oxide to the barium silicate is in a range of 10% by volume to 25% by volume.
    Type: Application
    Filed: September 11, 2013
    Publication date: January 23, 2014
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yunie IZUMI, Yoshimasa KOBAYASHI, Yuji KATSUDA
  • Publication number: 20140011667
    Abstract: A silicon carbide porous body according to the present invention contains silicon carbide particles, metallic silicon, and an oxide phase, in which the silicon carbide particles are bonded together via at least one of the metallic silicon and the oxide phase. The primary component of the oxide phase is cordierite, and the open porosity is 10% to 40%. Preferably, the silicon carbide porous body contains 50% to 80% by weight of silicon carbide, 15% to 40% by weight of metallic silicon, and 1% to 25% by weight of cordierite. Preferably, the volume resistivity is 1 to 80 ?cm, and the thermal conductivity is 30 to 70 W/m·K.
    Type: Application
    Filed: September 10, 2013
    Publication date: January 9, 2014
    Applicant: NGK INSULATORS, LTD.
    Inventors: Takahiro TOMITA, Kiyoshi MATSUSHIMA, Katsuhiro INOUE, Yoshimasa KOBAYASHI
  • Patent number: 8603625
    Abstract: A manufacturing method of a sintered ceramic body mixes barium silicate with aluminum oxide, a glass material, and an additive oxide to prepare a material mixture, molds the material mixture and fires the molded object. The barium silicate is monoclinic and has an average particle diameter in a range of 0.3 ?m to 1 ?m and a specific surface area in a range of 5 m2/g to 20 m2/g. The aluminum oxide has an average particle diameter in a range of 0.4 ?m to 10 ?m, a specific surface area in a range of 0.8 m2/g to 8 m2/g. A volume ratio of the aluminum oxide to the barium silicate is in a range of 10% by volume to 25% by volume.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: December 10, 2013
    Assignee: NGK Insulators, Ltd.
    Inventors: Yunie Izumi, Yoshimasa Kobayashi, Yuji Katsuda
  • Publication number: 20130316129
    Abstract: A silicon carbide material according to the present invention includes a substrate containing, as a main component, silicon carbide or containing, as main components, silicon carbide and metallic silicon, and a film covering at least a portion of the surface of the substrate. The film contains, as a main component, a phase including at least four elements: lithium (Li), aluminum (Al), silicon (Si), and oxygen (O). One example of such a silicon carbide material includes a substrate having a structure in which silicon carbide particles are bonded by metallic silicon, and a lithium aluminosilicate film covering at least a portion of the surface of the silicon carbide particles. Such a silicon carbide material can be used for a DPF, an electric heating type catalytic converter, or the like.
    Type: Application
    Filed: July 31, 2013
    Publication date: November 28, 2013
    Applicant: NGK Insulators, Ltd.
    Inventors: Miyuki YABUKI, Takahiro TOMITA, Yoshimasa KOBAYASHI
  • Publication number: 20130255213
    Abstract: There are disclosed a porous material having excellent heat resisting properties and an excellent resistance to heat shock. A porous material contains aggregates and an amorphous binding agent to bind the aggregates to one another in a state where pores are formed among the aggregates, the binding agent contains a rare earth element, the amorphous binding agent preferably contains magnesium, aluminum, silicon, the rare earth element and oxygen, and the amorphous binding agent preferably contains 8.0 to 15.0 mass % of MgO, 30.0 to 60.0 mass % of Al2O3, 30.0 to 55.0 mass % of SiO2, and 1.5 to 10.0 mass % of the rare earth oxide.
    Type: Application
    Filed: March 25, 2013
    Publication date: October 3, 2013
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yunie IZUMI, Yoshimasa KOBAYASHI
  • Publication number: 20130255207
    Abstract: There is disclosed a honeycomb structure which has an excellent collecting performance of a particulate matter and in which a pressure loss during flowing of a fluid through the honeycomb structure is low. The honeycomb structure includes a honeycomb base material having porous partition walls with which a plurality of cells are formed to become through channels of a fluid, a value of a ratio of an average open frontal area diameter of pores which are open in the surfaces of the partition walls to an average pore diameter of the pores formed in the partition walls is from 0.05 to 0.45, the partition walls have a single layer structure, and preferably, an open frontal area diameter of each of the pores which are open in the surfaces of the partition walls is from 0.5 to 10 ?m.
    Type: Application
    Filed: March 21, 2013
    Publication date: October 3, 2013
    Applicant: NGK INSULATORS, LTD.
    Inventors: Yunie IZUMI, Yoshimasa KOBAYASHI
  • Publication number: 20130236078
    Abstract: A medical image interpretation system according to an embodiment of the present invention including: uninterpreted inspection data; known abnormal data in each of which a disease has been diagnosed; an interpretation data generation section that mixes, at a predetermined mixing ratio, the known abnormal data with the uninterpreted inspection data to create interpretation data in which the known abnormal data are inserted in a random position of the uninterpreted inspection data; a true/false determination section that determines true/false of interpretation judgment made for the known abnormal data included in the interpretation data; a totalizing section that totalizer results of interpretation with respect to the known abnormal data; and a message generation section that generates, in accordance with the interpretation result, an alert message to a radiologist.
    Type: Application
    Filed: February 19, 2013
    Publication date: September 12, 2013
    Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha Toshiba
    Inventors: Yoshimasa KOBAYASHI, Kyojiro Nambu
  • Publication number: 20130197673
    Abstract: The object is to maintain the operations of a logistic system. The recovering method of the logistic system includes a plurality of controllers connected with each other via a local network. A recovery method for the logistic system comprises detecting an abnormal state of the plurality of controllers, outputting a switching requesting signal, receiving a control signal, and outputting the control signal. In outputting the switching requesting signal, when an abnormal controller that shows the abnormal state is detected, a switching requesting signal to switch from the abnormal controller to an alternate controller is outputted from the logistic system to the alternate controller. In receiving the control signal, a control signal that controls at least a part of operations of the logistic system instead of the abnormal controller is received from the alternate controller.
    Type: Application
    Filed: September 5, 2011
    Publication date: August 1, 2013
    Applicant: Murata Machinery, Ltd.
    Inventor: Yoshimasa Kobayashi
  • Publication number: 20130135417
    Abstract: There is provided a thermal transfer sheet that, by virtue of flexibility and heat resistance imparted by a primer layer constituting the thermal transfer sheet, is less likely to be broken even upon exposure to a high level of thermal energy and is highly suitable for high-speed printing. The thermal transfer sheet has a thermally transferable colorant layer provided on one surface of a base material sheet, and a heat-resistant slipping layer provided on the other surface of the base material sheet through a primer layer. The primer layer contains at least a polyvinyl alcohol resin and a crosslinking agent.
    Type: Application
    Filed: August 25, 2010
    Publication date: May 30, 2013
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Tomoko Suzuki, Yoshimasa Kobayashi, Kano Sakamoto, Shinya Yoda, Mitsuhiro Oota
  • Patent number: 8236722
    Abstract: An aluminum oxide sintered product including a layer phase containing a rare-earth element and fluorine among grains of aluminum oxide serving as a main component, or a phase containing a rare-earth element and fluorine along edges of grains of aluminum oxide serving as a main component. The product includes a phase containing a rare-earth element and a fluorine element among grains of aluminum oxide, the phase not being in the form of localized dots but in the form of line segments, when viewed in an SEM image. The product can be readily adjusted to have a volume resistivity in the range of 1×1013 to 1×1016 ?·cm, the volume resistivity being calculated from a current value after the lapse of 1 minute from the application of a voltage of 2 kV/mm to the aluminum oxide sintered product at room temperature.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: August 7, 2012
    Assignee: NGK Insulators, Ltd.
    Inventors: Naomi Teratani, Yuji Katsuda, Yoshimasa Kobayashi
  • Patent number: 8231985
    Abstract: The aluminum-nitride-based composite material according to the present invention is an aluminum-nitride-based composite material that is highly pure with the content ratios of transition metals, alkali metals, and boron, respectively as low as 1000 ppm or lower, has AlN and MgO constitutional phases, and additionally contains at least one selected from the group consisting of a rare earth metal oxide, a rare earth metal-aluminum complex oxide, an alkali earth metal-aluminum complex oxide, a rare earth metal oxyfluoride, calcium oxide, and calcium fluoride, wherein the heat conductivity is in the range of 40 to 150 W/mK, the thermal expansion coefficient is in the range of 7.3 to 8.4 ppm/° C., and the volume resistivity is 1×1014 ?·cm or higher.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: July 31, 2012
    Assignee: NGK Insulators, Ltd.
    Inventors: Yoshimasa Kobayashi, Akira Goto, Yuji Katsuda, Naohito Yamada
  • Publication number: 20120186723
    Abstract: The present invention provides a Ti3SiC2 based material that exhibits excellent arc resistance, an electrode, a spark plug, and methods of manufacturing the same. A Ti3SiC2 based material according to the present invention includes Ti3SiC2 as a main phase, the Ti3SiC2 based material having a TiC content of 0.5 mass % or less and an open porosity of 0.5% or less. It may be preferable that 0 to 30 mol % of Si contained in the main phase Ti3SiC2 be substituted with Al. A spark plug according to the present invention includes an electrode formed using the Ti3SiC2 based material.
    Type: Application
    Filed: January 26, 2012
    Publication date: July 26, 2012
    Applicant: NGK Insulators, Ltd.
    Inventors: Tetsuya HATTORI, Takafumi Kimata, Yoshimasa Kobayashi
  • Patent number: 8226865
    Abstract: The aluminum-nitride-based composite material according to the present invention is an aluminum-nitride-based composite material that is highly pure with the content ratios of transition metals, alkali metals, and boron, respectively as low as 1000 ppm or lower, has AlN and MgO constitutional phases, and additionally contains at least one selected from the group consisting of a rare earth metal oxide, a rare earth metal-aluminum complex oxide, an alkali earth metal-aluminum complex oxide, a rare earth metal oxyfluoride, calcium oxide, and calcium fluoride, wherein the heat conductivity is in the range of 40 to 150 W/mK, the thermal expansion coefficient is in the range of 7.3 to 8.4 ppm/° C., and the volume resistivity is 1×1014 ?·cm or higher.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: July 24, 2012
    Assignee: NGK Insulators, Ltd.
    Inventors: Yoshimasa Kobayashi, Akira Goto, Yuji Katsuda, Naohito Yamada
  • Publication number: 20120052326
    Abstract: The aluminum-nitride-based composite material according to the present invention is an aluminum-nitride-based composite material that is highly pure with the content ratios of transition metals, alkali metals, and boron, respectively as low as 1000 ppm or lower, has AlN and MgO constitutional phases, and additionally contains at least one selected from the group consisting of a rare earth metal oxide, a rare earth metal-aluminum complex oxide, an alkali earth metal-aluminum complex oxide, a rare earth metal oxyfluoride, calcium oxide, and calcium fluoride, wherein the heat conductivity is in the range of 40 to 150 W/mK, the thermal expansion coefficient is in the range of 7.3 to 8.4 ppm/° C., and the volume resistivity is 1×1014 ?·cm or higher.
    Type: Application
    Filed: November 3, 2011
    Publication date: March 1, 2012
    Applicant: NGK Insulators, Ltd.
    Inventors: Yoshimasa Kobayashi, Akira Goto, Yuji Katsuda, Naohito Yamada
  • Patent number: 8126288
    Abstract: An image processing apparatus includes a storing section which stores data of a digital image, a rotation processing section which generates a plurality of rotated digital images having different rotation angles from the digital image, an image processing section which generates a plurality of image-processed digital images from the rotated digital images, a reverse processing section which generates a plurality of reversed digital images from the image-processed digital images, and a combining section which combines the reversed digital images into one digital image.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: February 28, 2012
    Assignees: A school juridical person Fujita Educational Institution, Toshiba Medical Systems Corporation
    Inventors: Hisato Maeda, Yoshimasa Kobayashi, Nobutoku Motomura
  • Publication number: 20110117360
    Abstract: A manufacturing method of a sintered ceramic body mixes barium silicate with aluminum oxide, a glass material, and an additive oxide to prepare a material mixture, molds the material mixture and fires the molded object. The barium silicate is monoclinic and has an average particle diameter in a range of 0.3 ?m to 1 ?m and a specific surface area in a range of 5 m2/g to 20 m2/g. The aluminum oxide has an average particle diameter in a range of 0.4 ?m to 10 ?m, a specific surface area in a range of 0.8 m2/g to 8 m2/g. A volume ratio of the aluminum oxide to the barium silicate is in a range of 10% by volume to 25% by volume.
    Type: Application
    Filed: October 27, 2010
    Publication date: May 19, 2011
    Applicant: NGK Insulators, Ltd.
    Inventors: Yunie IZUMI, Yoshimasa Kobayashi, Yuji Katsuda
  • Patent number: 7915189
    Abstract: An electrostatic chuck that is a member for a semiconductor-manufacturing apparatus contains an yttrium oxide material containing first inorganic particles and second inorganic particles. The first inorganic particles form solid solutions in yttrium oxide, can be precipitated from yttrium oxide, and are present in grains of yttrium oxide. The second inorganic particles can form solid solutions in the first inorganic particles, are unlikely to form any solid solution in yttrium oxide, and are present at boundaries between the yttrium oxide grains. The first inorganic particles contain at least one of ZrO2 and HfO2. The second inorganic particles contain at least one selected from the group consisting of MgO, CaO, SrO, and BaO. The yttrium oxide material is produced in such a manner that solid solution particles are prepared by mixing and firing the first and second inorganic particles and are mixed with yttrium oxide and the mixture is fired.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: March 29, 2011
    Assignee: NGK Insulators, Ltd.
    Inventors: Yoshimasa Kobayashi, Yuji Katsuda
  • Patent number: 7833924
    Abstract: There is provided an yttrium oxide-containing material with excellent mechanical characteristics. The yttrium oxide-containing material becomes strong by adding silicon carbide (SiC) and yttrium fluoride (YF3) to yttrium oxide (Y2O3). Accordingly, the yield, handling and reliability can be improved when this strengthened yttrium oxide-containing material is applied to and used for components of semiconductor manufacturing equipment.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: November 16, 2010
    Assignees: NGK Insulators, Ltd., Nagaoka University of Technology
    Inventors: Yoshimasa Kobayashi, Yuji Katsuda, Hiroaki Sakai, Koichi Niihara, Tadachika Nakayama