Patents by Inventor Mitsuo Matsumoto
Mitsuo Matsumoto 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).
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Patent number: 11931979Abstract: A tire vulcanization mold in which a surface roughness in the groove molding portion of the tread molding surface is made smaller than a surface roughness in the land portion molding portion, in which a surface roughness in the groove molding portion is minimized to 0.12 ?m or less in a range including at least a main groove molding portion, and in which a surface roughness in the land portion molding portion is made to be 3.2 ?m or more, is used to manufacture a tire, and when cleaning the tread molding surface, the tread molding surface is irradiated with a laser beam to remove contaminant adhered to the tread molding surface.Type: GrantFiled: July 1, 2020Date of Patent: March 19, 2024Assignee: The Yokohama Rubber Co., LTD.Inventors: Tsubasa Kitahara, Yoshiaki Matsumoto, Mika Nagashima, Mitsuo Tsuji, Yoshinori Izumi, Rinko Kushida, Koichiro Miyoshi
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Publication number: 20230148238Abstract: The present invention provides a chlorinated polyvinyl chloride resin that enables the production of a molded article that maintains high adhesion strength even when used in a form subjected to high pressure and is less susceptible to defects such as cracks due to insufficient strength, as well as a resin composition for molding and a molded article each including the chlorinated polyvinyl chloride resin. Provided is a chlorinated polyvinyl chloride resin, containing two components including a A30 component and a B30 component, the A30 component and the B30 component being determined by measuring the resin by a solid echo method using pulse NMR at 30° C.Type: ApplicationFiled: March 30, 2021Publication date: May 11, 2023Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Ryota YAMASUGI, Mitsuo MATSUMOTO, Nami NAKAJIMA, Yasunari KUSAKA
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Publication number: 20230128429Abstract: The present invention provides a chlorinated polyvinyl chloride resin that provides a molded article having excellent heat cycle characteristics and excellent weather resistance, as well as a resin composition for molding and a molded article each including the chlorinated polyvinyl chloride resin. Provided is a chlorinated polyvinyl chloride resin, containing two components including a A30 component and a B30 component, the A30 component and the B30 component being determined by measuring the resin by a solid echo method using pulse NMR at 30° C. to give a free induction decay curve of 1H spin-spin relaxation, and subjecting the free induction decay curve to waveform separation into two curves derived from the A30 component and the B30 component in order of shorter relaxation time using the least square method, and having a ratio of T5B to TB [T5B/TB] of 96% or more and 120% or less, where TB is a relaxation time of the B30 component and T5B is a relaxation time of the B30 component after heating at 200° C.Type: ApplicationFiled: March 30, 2021Publication date: April 27, 2023Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Mitsuo MATSUMOTO, Ryota YAMASUGI, Nami NAKAJIMA, Yasunari KUSAKA
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Publication number: 20230052937Abstract: Provided is a measurement apparatus including a signal source configured to output a binary digital signal configuring a multi-tone waveform, a waveform acquisition unit configured to acquire an analog signal waveform generated in response to application of the digital signal to a device under test, and a computation unit configured to calculate a frequency characteristic of the device under test from the waveform acquired by the waveform acquisition unit, in which the signal source is configured to repeatedly output a signal upconverted by multiplying a pseudo-random binary sequence (PRBS) signal by a repeating rectangular wave with a reference frequency and a reference duty ratio.Type: ApplicationFiled: May 24, 2022Publication date: February 16, 2023Inventors: Masayuki KAWABATA, Mitsuo MATSUMOTO, Shinya SATO, Masakatsu SUDA
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Publication number: 20220363887Abstract: The present invention aims to provide a resin composition for molding that makes it possible to achieve excellent continuous productivity and to produce a molded article having high surface smoothness, capable of reducing defective molding, less likely to crack during use, and also having excellent shock resistance. The present invention also aims to provide a molded article including the resin composition for molding. Provided is a resin composition for molding, containing: a chlorinated polyvinyl chloride resin; and a melt additive, the resin composition containing three components including a A100 component, a B100 component, and a C100 component, and having a percentage of the C100 component [C100 component/(A100 component+B100 component+C100 component)] of 30% or less, the three components being identified by measuring the resin composition by a solid echo method using pulse NMR at 100° C.Type: ApplicationFiled: September 29, 2020Publication date: November 17, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Mitsuo MATSUMOTO, Ryota YAMASUGI, Tomohiro HORINOUCHI, Yoshito ARAI, Yasunari KUSAKA, Nami NAKAJIMA
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Publication number: 20220348755Abstract: The present invention provides a resin composition for molding having excellent thermal meltability and capable of providing a molded article that is less likely to crack from a resin weld during use and has excellent surface gloss, and a molded article including the resin composition for molding. Provided is a resin composition for molding, containing: a chlorinated polyvinyl chloride resin; a polyvinyl chloride resin; and a melt additive, the resin composition having an area ratio of a peak B observed in a range of 0.6 to 1.0 ppm to a peak A observed in a range of 9.5 to 10 ppm (Area of peak B/Area of peak A) of 1 to 1,000 when a 1H NMR spectrum is measured by solution NMR.Type: ApplicationFiled: September 29, 2020Publication date: November 3, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tomohiro HORINOUCHI, Mitsuo MATSUMOTO, Ryota YAMASUGI, Yoshito ARAI, Yasunari KUSAKA, Nami NAKAJIMA
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Patent number: 8534738Abstract: A door hole cover which is intended to be attached to a door inner panel of a vehicle to cover an opening formed in the door inner panel, and which has an average of loss coefficients at frequencies of 150 Hz or less of 0.085 or more.Type: GrantFiled: July 1, 2010Date of Patent: September 17, 2013Assignee: Nitto Denko CorporationInventors: Mitsuo Matsumoto, Katsuhiko Tachibana, Daisuke Tsuchiya, Eiji Matsuda, Kazuyuki Yagura, Natsuko Kagehisa
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Patent number: 8433990Abstract: In a semiconductor test apparatus, a voltage source generates a power supply voltage to be supplied to a DUT. A decision processor makes the DUT execute a predetermined test sequence. A noise generator superimposes a periodic pulse-like noise voltage on the power supply voltage to be supplied to the DUT, while the test sequence is being executed. The noise generator superimposes a noise voltage synchronized with a clock signal to be supplied to the DUT.Type: GrantFiled: May 12, 2008Date of Patent: April 30, 2013Assignee: Advantest CorporationInventor: Mitsuo Matsumoto
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Patent number: 8298673Abstract: A vibration-damping reinforcement composition contains 30 to 300 parts by weight of butyl rubber, 30 to 300 parts by weight of acrylonitrile-butadiene rubber, 100 parts by weight of epoxy resin, and 0.5 to 30 parts by weight of an epoxy resin curing agent.Type: GrantFiled: December 26, 2008Date of Patent: October 30, 2012Assignee: Nitto Denko CorporationInventors: Mitsuo Matsumoto, Yasuhiko Kawaguchi
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Publication number: 20120270041Abstract: The present invention provides a transparent pressure-sensitive adhesive functional film in which interference fringes hardly occur and corrosion resistance is excellent. The invention relates to a pressure-sensitive adhesive functional film including a transparent substrate, a functional layer (hard coat layer and/or anti-reflection layer) on one surface of the transparent substrate, and a pressure-sensitive adhesive layer on the other surface of the transparent substrate, wherein an amount of (meth)acrylic acid ion extracted from the pressure-sensitive adhesive functional film under the specific conditions is suitably controlled, and an approximate integral value calculated by using a transmittance curve at a wavelength of 400 to 780 nm is suitably controlled.Type: ApplicationFiled: April 20, 2012Publication date: October 25, 2012Applicant: NITTO DENKO CORPORATIONInventors: Mitsuo MATSUMOTO, Tomohide BANBA, Tatsuya SUZUKI
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Publication number: 20120169083Abstract: A door hole cover which is intended to be attached to a door inner panel of a vehicle to cover an opening formed in the door inner panel, and which has an average of loss coefficients at frequencies of 150 Hz or less of 0.085 or more.Type: ApplicationFiled: July 1, 2010Publication date: July 5, 2012Applicant: NITTO DENKO CORPORATIONInventors: Mitsuo Matsumoto, Katsuhiko Tachibana, Daisuke Tsuchiya, Eiji Matsuda, Kazuyuki Yagura, Yuki Kaghisa, Natsuko Kagehisa
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Publication number: 20120145305Abstract: Provided is a carrier tape for a foam material which exhibits satisfactory holding properties to a flexible foam material, exhibits satisfactory removability without causing fracture of the foam material, and has good peel properties upon picking up. The carrier tape for a foam material includes a substrate and, arranged on one side thereof, a pressure-sensitive adhesive layer. The carrier tape has a 180-degree peel strength of 0.15 N/20 mm or more at a tensile speed of 300 mm/min with respect to a foam (trade name “SCF100”, supplied by Nitto Denko Corporation). The carrier tape also has a 180-degree peel strength of 0.30 N/20 mm or less at a tensile speed of 10 m/min with respect to the foam (trade name “SCF100”, supplied by Nitto Denko Corporation).Type: ApplicationFiled: July 30, 2010Publication date: June 14, 2012Applicant: NITTO DENKO CORPORATTIONInventors: Mitsuo Matsumoto, Takeshi Yamanaka, Mitsuru Naitou, Itsuhiro Hatanaka, Ikkou Hanaki
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Publication number: 20120077399Abstract: The present invention provides a high-performance, low toluene emission abnormal noise preventing sheet that is fabricated using an acrylic-based pressure-sensitive adhesive (PSA). The abnormal noise preventing sheet 10 of this invention has a substrate 12 comprising a nonwoven fabric 122 and a PSA adhesive layer 14 provided on a first side 12A of the substrate. The PSA constituting the PSA layer 14 contains an acrylic polymer and a tackifier. This sheet 10 has a toluene emission level of 20 ?g or less per gram of PSA layer when the PSA layer 14 is heated at 80° C. for 30 min.Type: ApplicationFiled: June 8, 2010Publication date: March 29, 2012Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NITTO DENKO CORPORATIONInventors: Kazuyuki Yagura, Mitsuo Matsumoto, Shuji Nakagawa
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Patent number: 8130340Abstract: A large liquid crystal display (100) comprises a light guide plate (3) arranged on the back side of a liquid crystal panel (1). The front surface of the light guide plate (3) is flat, while the back surface thereof is concave. The upper and lower end faces of the light guide plate (3) respectively facing hot cathode fluorescent lamps (2a, 2b) have a convex shape projecting toward the respective lamps. White light from the fluorescent lamps is incident on the upper and lower end faces of the light guide plate directly or by being reflected by reflectors (4a, 4b), and propagates within the light guide plate while being reflected by the front and back surfaces of the light guide plate. At the front surface of the light guide plate, a part of the white light is directed toward the back side of the liquid crystal panel (1) by a light guide portion (5).Type: GrantFiled: August 14, 2006Date of Patent: March 6, 2012Assignees: Tohoku University, Kuraray Co., Ltd., Sharp CorporationInventors: Tadahiro Ohmi, Yasuyuki Shirai, Kiwamu Takehisa, Mitsuo Matsumoto, Tokuo Ikari, Toshiaki Sato, Ikuo Onishi, Etsuo Nakazato, Yuichiro Yamada, Tokihiko Shinomiya, Takashi Ishizumi, Yuhsaku Ajichi
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Patent number: 8092906Abstract: The invention provides an adhesive sheet for steel plate that can abate the emission of organic volatile components, while providing good reinforcing effect and vibration suppression effect. In an adhesive sheet for steel plate is provided that includes a restricting layer and a resin layer, the restricting layer having a resin-coated glass fiber cloth made by weaving glass fiber bundles, which are formed by bundling a plurality of glass filaments, into a glass fiber cloth and impregnating epoxy resin composition in the glass fiber cloth, the resin-coated glass fiber cloth having air permeability of not more than 0.5 cm3/cm2/sec. and a permeability rate of the epoxy resin composition to the glass fiber bundles in the range of 20-70%.Type: GrantFiled: August 2, 2004Date of Patent: January 10, 2012Assignee: Nitto Denko CorporationInventors: Katsuhiko Tachibana, Mitsuo Matsumoto, Manabu Matsunaga, Takio Itou
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Patent number: 7994230Abstract: Filling foam composition capable of providing excellent rustproofing and also suppressing reduction of a foam ratio of the filling foam composition even when reusing unwanted parts thereof and inferior goods thereof; a foam filling member using the same filling foam composition; and a filling foam produced by foaming the filling foam composition. The filling foam composition is prepared by mixing foamable polymer, a foaming agent, and a basic oxide in such a mixing ratio that a ratio of the basic oxide can be in the range of 0.05-70 parts by weight per 100 parts by weight of foaming agent. The mounting member for the filling foam composition to be mounted in an internal space of a hollow member is produced by mounting a mounting member on the filling foam composition obtained. The filling foam is formed by fitting the foam filling member in the internal space of the hollow member and, then, foaming the filling foam composition by the application of heat.Type: GrantFiled: October 26, 2009Date of Patent: August 9, 2011Assignee: Nitto Denko CorporationInventors: Takehiro Ui, Manabu Matsunaga, Mitsuo Matsumoto
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Patent number: 7989515Abstract: Filling foam composition capable of providing excellent rustproofing and also suppressing reduction of a foam ratio of the filling foam composition even when reusing unwanted parts thereof and inferior goods thereof; a foam filling member using the same filling foam composition; and a filling foam produced by foaming the filling foam composition. The filling foam composition is prepared by mixing foamable polymer, a foaming agent, and a basic oxide in such a mixing ratio that a ratio of the basic oxide can be in the range of 0.05-70 parts by weight per 100 parts by weight of foaming agent. The mounting member for the filling foam composition to be mounted in an internal space of a hollow member is produced by mounting a mounting member on the filling foam composition obtained. The filling foam is formed by fitting the foam filling member in the internal space of the hollow member and, then, foaming the filling foam composition by the application of heat.Type: GrantFiled: October 26, 2009Date of Patent: August 2, 2011Assignee: Nitto Denko CorporationInventors: Takehiro Ui, Manabu Matsunaga, Mitsuo Matsumoto
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Publication number: 20110086198Abstract: There are provided a foaming filler member which allows, even when the inner space of a hollow member has a protruding space, easy filling of the protruding space without using an extra member, a heat-foamable sheet used for the foaming filler member, a method for manufacturing the heat-foamable sheet, and a method for filling the inner space of the hollow member. A heat-foamable sheet which extends in one direction when heated at 100 to 130° C. for 20 minutes and has an extension ratio of 5 to 50% in the extension direction is manufactured by stretch-forming a heat-foamable material. Even when the inner space has the protruding space, the protruding space can be easily filled at low cost without using an extra member by using the heat-foamable sheet as the foaming filler member, disposing the foaming filler member in the main space of the inner space, and foaming it such that the extending direction of the heat-foamable sheet is oriented toward the protruding space.Type: ApplicationFiled: December 10, 2010Publication date: April 14, 2011Applicant: Nitto Denko CorporationInventors: Takehiro Ui, Yoshiaki Mitsuoka, Mitsuo Matsumoto
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Publication number: 20110079932Abstract: There are provided a foaming filler member which allows, even when the inner space of a hollow member has a protruding space, easy filling of the protruding space without using an extra member, a heat-foamable sheet used for the foaming filler member, a method for manufacturing the heat-foamable sheet, and a method for filling the inner space of the hollow member. A heat-foamable sheet which extends in one direction when heated at 100 to 130° C. for 20 minutes and has an extension ratio of 5 to 50% in the extension direction is manufactured by stretch-forming a heat-foamable material. Even when the inner space has the protruding space, the protruding space can be easily filled at low cost without using an extra member by using the heat-foamable sheet as the foaming filler member, disposing the foaming filler member in the main space of the inner space, and foaming it such that the extending direction of the heat-foamable sheet is oriented toward the protruding space.Type: ApplicationFiled: December 10, 2010Publication date: April 7, 2011Applicant: Nitto Denko CorporationInventors: Takehiro Ui, Yoshiaki Mitsuoka, Mitsuo Matsumoto
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Patent number: 7887724Abstract: There are provided a foaming filler member which allows, even when the inner space of a hollow member has a protruding space, easy filling of the protruding space without using an extra member, a heat-foamable sheet used for the foaming filler member, a method for manufacturing the heat-foamable sheet, and a method for filling the inner space of the hollow member. A heat-foamable sheet which extends in one direction when heated at 100 to 130° C. for 20 minutes and has an extension ratio of 5 to 50% in the extension direction is manufactured by stretch-forming a heat-foamable material. Even when the inner space has the protruding space, the protruding space can be easily filled at low cost without using an extra member by using the heat-foamable sheet as the foaming filler member, disposing the foaming filler member in the main space of the inner space, and foaming it such that the extending direction of the heat-foamable sheet is oriented toward the protruding space.Type: GrantFiled: September 13, 2006Date of Patent: February 15, 2011Assignee: Nitto Denko CorporationInventors: Takehiro Ui, Yoshiaki Mitsuoka, Mitsuo Matsumoto