Patents by Inventor Teruhisa Miyata

Teruhisa Miyata 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: 11929054
    Abstract: An object of the present invention is to provide a soundproof material having a practically useful high-level sound absorption coefficient that while maintaining thinness, and further having an expanded sound-absorbable frequency region. A means for solving the problem is a soundproof material comprising: a surface cover layer composed of a fiber material; a back-surface layer laminated onto the surface cover layer, and composed of a porous material with voids interconnected with each other; and a joining layer laminated between the surface cover layer and the back-surface layer, and composed of a joining material, wherein the fiber material has an average fiber diameter of 1 to 10 ?m and an air-permeation volume of 5 to 200 cm3/cm2·sec, and wherein the joining layer has a joint area percentage of 50 to 95% with respect to the entire surface where the surface cover layer and the back-surface layer face each other.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: March 12, 2024
    Assignee: MAXELL, LTD.
    Inventors: Norikazu Matsumoto, Shoko Sakai, Kenji Ohtani, Teruhisa Miyata
  • Publication number: 20220076653
    Abstract: A control method of sound absorption characteristics of a soundproof material is provided to change the sound absorption characteristics of the soundproof material while equally maintaining constituent materials, total thickness, and total weight of the soundproof material. The soundproof material includes: a surface cover layer composed of a fiber material; a back-surface layer laminated onto the surface cover layer, and composed of a porous material with voids interconnected with each other; and one or more joining layers laminated between the surface cover layer and the back-surface layer, each joining layer being composed of a joining material, having a total joint area percentage of less than 100% with respect to the entire contact surface between the surface cover layer and the back-surface layer. The sound absorption characteristics are changed by changing the areas of the joining layers.
    Type: Application
    Filed: December 2, 2019
    Publication date: March 10, 2022
    Inventors: Norikazu MATSUMOTO, Shoko SAKAI, Kenji OHTANI, Teruhisa MIYATA
  • Publication number: 20210272545
    Abstract: An object of the present invention is to provide a soundproof material having a practically useful high-level sound absorption coefficient that while maintaining thinness, and further having an expanded sound-absorbable frequency region. A means for solving the problem is a soundproof material comprising: a surface cover layer composed of a fiber material; a back-surface layer laminated onto the surface cover layer, and composed of a porous material with voids interconnected with each other; and a joining layer laminated between the surface cover layer and the back-surface layer, and composed of a joining material, wherein the fiber material has an average fiber diameter of 1 to 10 ?m and an air-permeation volume of 5 to 200 cm3/cm2·sec, and wherein the joining layer has a joint area percentage of 50 to 95% with respect to the entire surface where the surface cover layer and the back-surface layer face each other.
    Type: Application
    Filed: July 26, 2019
    Publication date: September 2, 2021
    Inventors: Norikazu MATSUMOTO, Shoko SAKAI, Kenji OHTANI, Teruhisa MIYATA
  • Patent number: 10746911
    Abstract: A transparent heat-shielding/heat-insulating member having a transparent screen function of the present invention includes: an infrared reflective layer and an optical adjustment protective layer in this order from a transparent base substrate side; and a light diffusing layer on a surface of the transparent base substrate that is opposite to the surface on which the infrared reflective layer is formed or between the transparent base substrate and the infrared reflective layer. The optical adjustment protective layer includes at least a high refractive index layer and a low refractive index layer in this order from the infrared reflective layer side. The transparent heat-shielding/heat-insulating member has a visible light reflectance of 12% or more and 30% or less, a haze value of 5% or more and 35% or less, a shading coefficient of 0.69 or less, and a normal emissivity of 0.22 or less.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: August 18, 2020
    Assignee: MAXELL HOLDINGS, LTD.
    Inventors: Teruhisa Miyata, Yoshimasa Mitsumoto
  • Publication number: 20200165163
    Abstract: A transparent heat-shielding/heat-insulating member including a transparent base substrate and a functional layer formed on the transparent base substrate. The functional layer includes an infrared reflective layer and a protective layer in this order from the transparent base substrate side. The infrared reflective layer includes a first metal suboxide layer or metal oxide layer, a metal layer, and a second metal suboxide layer or metal oxide layer in this order from the transparent base substrate side. The total thickness of the infrared reflective layer is ?25 nm. The thickness of the second metal suboxide layer or metal oxide layer is ?25% of the total thickness of the infrared reflective layer. The protective layer contains a single layer or multiple layers. At least the layer of the protective layer that is in contact with the second metal suboxide layer or metal oxide layer includes a corrosion inhibitor for metal.
    Type: Application
    Filed: June 26, 2018
    Publication date: May 28, 2020
    Applicant: MAXELL HOLDINGS, LTD.
    Inventors: Takuo MIZUTANI, Teruhisa MIYATA, Fumie MITSUHASHI
  • Patent number: 10317149
    Abstract: A transparent heat-shielding/heat-insulating member includes a transparent substrate 11 and, from the transparent substrate side, an infrared reflective layer 12 and a protective layer 18 in this order. The protective layer 18 includes, from the infrared reflective layer side, a medium refractive index layer 13, a high refractive index layer 14 and a low refractive index layer 15 in this order. The medium refractive index layer 13 has a light refractive index at a wavelength of 550 nm of 1.45 to 1.55 and a thickness of 80 to 200 nm. The high refractive index layer 14 has a light refractive index at a wavelength of 550 nm of 1.65 to 1.95 and a thickness of 100 to 350 nm. The low refractive index layer 15 has a light refractive index at a wavelength of 550 nm of 1.30 to 1.45 and a thickness of 70 to 150 nm.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: June 11, 2019
    Assignee: MAXELL HOLDINGS, LTD.
    Inventors: Yoshimasa Mitsumoto, Teruhisa Miyata, Noriaki Otani
  • Publication number: 20190033504
    Abstract: A transparent heat-shielding/heat-insulating member having a transparent screen function of the present invention includes: an infrared reflective layer and an optical adjustment protective layer in this order from a transparent base substrate side; and a light diffusing layer on a surface of the transparent base substrate that is opposite to the surface on which the infrared reflective layer is formed or between the transparent base substrate and the infrared reflective layer. The optical adjustment protective layer includes at least a high refractive index layer and a low refractive index layer in this order from the infrared reflective layer side. The transparent heat-shielding/heat-insulating member has a visible light reflectance of 12% or more and 30% or less, a haze value of 5% or more and 35% or less, a shading coefficient of 0.69 or less, and a normal emissivity of 0.22 or less.
    Type: Application
    Filed: January 27, 2017
    Publication date: January 31, 2019
    Applicant: Maxell Holdings, Ltd.
    Inventors: Teruhisa MIYATA, Yoshimasa MITSUMOTO
  • Patent number: 9678256
    Abstract: A transparent heat-shielding member according to the present invention includes a transparent base substrate, an infrared reflective layer and a transparent screen function layer. The infrared reflective layer includes at least one selected from a metal oxide layer and a metal nitride layer, and a metal layer. The transparent screen function layer is formed of a light diffusing layer. The light diffusing layer contains light diffusing particles and a transparent resin. The light diffusing particles are dispersed in the transparent resin. The transparent heat-shielding member has a visible light reflectance measured in accordance with JIS R3106-1998 of 12% or more and 30% or less, a haze value measured in accordance with JIS K7136-2000 of 5% or more and 35% or less, and a shading coefficient measured in accordance with JIS A5759-2008 of 0.69 or less.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: June 13, 2017
    Assignee: HITACHI MAXELL, LTD.
    Inventors: Teruhisa Miyata, Yoshimasa Mitsumoto
  • Publication number: 20170067593
    Abstract: A transparent heat-shielding/heat-insulating member 10 according to the present invention includes a transparent substrate 11 and a functional layer 23 formed on the transparent substrate 11. The functional layer 23 includes, from the transparent substrate 11 side, an infrared reflective layer 21 and a protective layer 22 in this order. The infrared reflective layer 21 includes, from the transparent substrate 11 side, at least a metal layer 13 and a metal suboxide layer 14 in which a metal is partially oxidized, in this order. The protective layer 22 has a total thickness of 200 to 980 nm and includes, from the infrared reflective layer 21 side, at least a high refractive index layer 17 and a low refractive index layer 18 in this order.
    Type: Application
    Filed: September 7, 2016
    Publication date: March 9, 2017
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Yoshimasa MITSUMOTO, Teruhisa MIYATA
  • Publication number: 20160282529
    Abstract: A transparent heat-shielding member according to the present invention includes a transparent base substrate, an infrared reflective layer and a transparent screen function layer. The infrared reflective layer includes at least one selected from a metal oxide layer and a metal nitride layer, and a metal layer. The transparent screen function layer is formed of a light diffusing layer. The light diffusing layer contains light diffusing particles and a transparent resin. The light diffusing particles are dispersed in the transparent resin. The transparent heat-shielding member has a visible light reflectance measured in accordance with JIS R3106-1998 of 12% or more and 30% or less, a haze value measured in accordance with JIS K7136-2000 of 5% or more and 35% or less, and a shading coefficient measured in accordance with JIS A5759-2008 of 0.69 or less.
    Type: Application
    Filed: March 25, 2016
    Publication date: September 29, 2016
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Teruhisa MIYATA, Yoshimasa MITSUMOTO
  • Publication number: 20160258694
    Abstract: A transparent heat-shielding/heat-insulating member according to the present invention includes a transparent substrate 11 and a functional layer 19 formed on the transparent substrate 11. The functional layer 19 includes, from the transparent substrate side, an infrared reflective layer 12 and a protective layer 18 in this order. The protective layer 18 includes, from the infrared reflective layer side, a medium refractive index layer 13, a high refractive index layer 14 and a low refractive index layer 15 in this order. The infrared reflective layer 12 includes a metal oxide layer and a metal layer. The medium refractive index layer 13 has a light refractive index at a wavelength of 550 nm of 1.45 to 1.55 and a thickness of 80 to 200 nm. The high refractive index layer 14 has a light refractive index at a wavelength of 550 nm of 1.65 to 1.95 and a thickness of 100 to 350 nm. The low refractive index layer 15 has a light refractive index at a wavelength of 550 nm of 1.30 to 1.
    Type: Application
    Filed: March 3, 2016
    Publication date: September 8, 2016
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Yoshimasa MITSUMOTO, Teruhisa MIYATA, Noriaki OTANI
  • Patent number: 7662490
    Abstract: A near-infrared shield according to the present invention includes a base and a near-infrared absorption layer disposed on one main surface of the base. When the near-infrared shield is irradiated from the near-infrared absorption layer side with xenon light having a wavelength of 380 nm to 1200 nm at an illuminance of 60 W/m2 (an energy density in a range of 300 nm to 400 nm) for 16 hours under a condition of BPT of 63° C. and a relative humidity of 50%, chromaticity changes ?x, ?y of transmitted light, which are shown in a chromaticity diagram of a CIE1931XYZ color system, are 0.005 or less respectively. The near-infrared shield has an excellent near-infrared shielding property and an excellent light resistance, and its near-infrared absorptivity does not deteriorate even after long-term storage.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: February 16, 2010
    Assignee: Hitachi Maxell, Ltd
    Inventors: Noriaki Otani, Yuji Yamashita, Teruhisa Miyata, Tetsuya Taki
  • Patent number: 7422923
    Abstract: A photoelectric transducer comprises an electrode (5) on which a semiconductor layer (7) carrying a sensitizing dye is deposited. The semiconductor layer (7) contains semiconductor particles and a binder and has a porosity of 40 to 80%. A method for manufacturing a photoelectric transducer by applying a solution containing semiconductor particles and a binder to an electrode (5), drying the electrode, and pressing the electrode under a pressure of 20 to 200 Mpa so as to form a semiconductor layer (7) is also disclosed. By the method, a photoelectric transducer comprising a semiconductor layer where a conduction path of photo-excited electrons is ensured without sintering the semiconductor layer at a high temperature and which has an adhesive power adaptable to the flexibility of the base and exhibiting excellent photoelectric transducing characteristics can be provided.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: September 9, 2008
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Katsunori Kojima, Teruhisa Miyata
  • Publication number: 20070194311
    Abstract: A photoelectric transducer comprises an electrode (5) on which a semiconductor layer (7) carrying a sensitizing dye is deposited. The semiconductor layer (7) contains semiconductor particles and a binder and has a porosity of 40 to 80%. A method for manufacturing a photoelectric transducer by applying a solution containing semiconductor particles and a binder to an electrode (5), drying the electrode, and pressing the electrode under a pressure of 20 to 200 Mpa so as to form a semiconductor layer (7) is also disclosed. By the method, a photoelectric transducer comprising a semiconductor layer where a conduction path of photo-excited electrons is ensured without sintering the semiconductor layer at a high temperature and which has an adhesive power adaptable to the flexibility of the base and exhibiting excellent photoelectric transducing characteristics can be provided.
    Type: Application
    Filed: April 18, 2007
    Publication date: August 23, 2007
    Applicant: Matsushita Electric Works, Ltd.
    Inventors: Katsunori Kojima, Teruhisa Miyata
  • Patent number: 7224036
    Abstract: A photoelectric transducer comprises an electrode (5) on which a semiconductor layer (7) carrying a sensitizing dye is deposited. The semiconductor layer (7) contains semiconductor particles and a binder and has a porosity of 40 to 80%. A method for manufacturing a photoelectric transducer by applying a solution containing semiconductor particles and a binder to an electrode (5), drying the electrode, and pressing the electrode under a pressure of 20 to 200 Mpa so as to form a semiconductor layer (7) is also disclosed. By the method, a photoelectric transducer comprising a semiconductor layer where a conduction path of photo-excited electrons is ensured without sintering the semiconductor layer at a high temperature and which has an adhesive power adaptable to the flexibility of the base and exhibiting excellent photoelectric transducing characteristics can be provided.
    Type: Grant
    Filed: June 13, 2003
    Date of Patent: May 29, 2007
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Katsunori Kojima, Teruhisa Miyata
  • Publication number: 20070020470
    Abstract: The present invention provides an optical film including: a base; a first functional layer provided on one principal plane of the base via a first adhesion-improving layer; and a second functional layer that is different from the first functional layer and is provided on the other principal plane of the base via a second adhesion-improving layer. The first adhesion-improving layer contains a resin that is different from a resin contained in the second adhesion-improving layer, and the second functional layer contains a resin of the same type as the resin contained in the second adhesion-improving layer. The optical film according to the present invention achieves excellent adhesion between the respective functional layers and the base as well as excellent reflectance spectral characteristics.
    Type: Application
    Filed: July 24, 2006
    Publication date: January 25, 2007
    Inventors: Tomoki Inakura, Teruhisa Miyata, Noriaki Otani, Sadamu Kuse
  • Publication number: 20060105175
    Abstract: A near-infrared shield according to the present invention includes a base and a near-infrared absorption layer disposed on one main surface of the base. When the near-infrared shield is irradiated from the near-infrared absorption layer side with xenon light having a wavelength of 380 nm to 1200 nm at an illuminance of 60 W/m2 (an energy density in a range of 300 nm to 400 nm) for 16 hours under a condition of BPT of 63° C. and a relative humidity of 50%, chromaticity changes ?x, ?y of transmitted light, which are shown in a chromaticity diagram of a CIE1931XYZ color system, are 0.005 or less respectively. The near-infrared shield has an excellent near-infrared shielding property and an excellent light resistance, and its near-infrared absorptivity does not deteriorate even after long-term storage.
    Type: Application
    Filed: November 17, 2005
    Publication date: May 18, 2006
    Inventors: Noriaki Otani, Yuji Yamashita, Teruhisa Miyata, Tetsuya Taki
  • Publication number: 20040232506
    Abstract: A photoelectric transducer comprises an electrode (5) on which a semiconductor layer (7) carrying a sensitizing dye is deposited. The semiconductor layer (7) contains semiconductor particles and a binder and has a porosity of 40 to 80%. A method for manufacturing a photoelectric transducer by applying a solution containing semiconductor particles and a binder to an electrode (5), drying the electrode, and pressing the electrode under a pressure of 20 to 200 Mpa so as to form a semiconductor layer (7) is also disclosed. By the method, a photoelectric transducer comprising a semiconductor layer where a conduction path of photo-excited electrons is ensured without sintering the semiconductor layer at a high temperature and which has an adhesive power adaptable to the flexibility of the base and exhibiting excellent photoelectric transducing characteristics can be provided.
    Type: Application
    Filed: March 16, 2004
    Publication date: November 25, 2004
    Inventors: Katsunori Kojima, Teruhisa Miyata
  • Patent number: 5952074
    Abstract: A magnetic recording medium wherein thickness of the magnetic layer is less than the wavelength of projected light onto the surface of the magnetic recording medium having a multiplicity of magnetic-head tracking recesses formed thereon at predetermined intervals, and data tracks for recording thereon predetermined information provided between every two adjacent magnetic-head tracking recesses, each tracking recess and data track having a function to track a magnetic head in accordance with reflected light from the magnetic-head tracking recesses, the data tracks being provided at a track density greater than 1000 TPI and light transmittance of the magnetic recording medium is less than 5%.
    Type: Grant
    Filed: August 2, 1995
    Date of Patent: September 14, 1999
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Nobuhiro Umebayashi, Teruhisa Miyata
  • Patent number: 5789062
    Abstract: In a magnetic recording medium in which light is applied to a magnetic head-tracking optical recess and a data track between these recesses so as to effect a tracking of a magnetic head in accordance with light reflected by them,variation in light reflectance is limited to not more than 4 dB in a frequency range of 100 Hz to 2 KHz anda thickness of the magnetic layer at the data track, or a depth of the recess is set to a specified range so that a tracking servo can be effected properly, thereby enhancing reliability of the magnetic recording medium.
    Type: Grant
    Filed: June 15, 1993
    Date of Patent: August 4, 1998
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Nobuhiro Umebayashi, Akira Miyake, Teruhisa Miyata, Yoshikazu Kai