Patents by Inventor Shingo Sugiyama

Shingo Sugiyama 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: 10756165
    Abstract: A high-frequency transistor includes a source electrode, a drain electrode, a gate electrode, and a gate drive line that applies a voltage to the gate electrode. An impedance adjustment circuit is connected between the gate electrode and the gate drive line. A characteristic impedance of the gate electrode is Z1, when a connecting point between the impedance adjustment circuit and the gate electrode is viewed from the impedance adjustment circuit. A characteristic impedance of the gate drive line is Z2, when a connecting point between the impedance adjustment circuit and the gate drive line is viewed from the impedance adjustment circuit. X that denotes a characteristic impedance of the impedance adjustment circuit is a value between Z1 and Z2.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 25, 2020
    Assignee: PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
    Inventors: Kouki Yamamoto, Masatoshi Kamitani, Shingo Matsuda, Hiroshi Sugiyama, Kaname Motoyoshi, Masao Nakayama
  • Patent number: 10577282
    Abstract: Provided is a cement composition that has high fluidity (for example, a 0-drop flow value of 200 mm or more) before curing and exhibits high compressive strength (for example, 320 N/mm2 or more) after curing. The cement composition includes a cement, a silica fume having a BET specific surface area of from 10 m2/g to 25 m2/g, an inorganic powder having a 50% cumulative particle size of from 0.8 ?m to 5 ?m, a fine aggregate having a maximum particle size of 1.2 mm or less, a water reducing agent, an antifoaming agent, and water. The ratio of the cement is from 55 vol % to 65 vol %, the ratio of the silica fume is from 5 vol % to 25 vol %, and the ratio of the inorganic powder is from 15 vol % to 35 vol % in the total amount of 100 vol % of the cement, the silica fume, and the inorganic powder.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: March 3, 2020
    Assignee: TAIHEIYO CEMENT CORPORATION
    Inventors: Risa Nakayama, Katsuya Kono, Katsuhiko Tada, Hiroaki Mori, Shingo Sugiyama, Shinpei Maehori
  • Publication number: 20190378894
    Abstract: A high-frequency transistor includes a source electrode, a drain electrode, a gate electrode, and a gate drive line that applies a voltage to the gate electrode. An impedance adjustment circuit is connected between the gate electrode and the gate drive line. A characteristic impedance of the gate electrode is Z1, when a connecting point between the impedance adjustment circuit and the gate electrode is viewed from the impedance adjustment circuit. A characteristic impedance of the gate drive line is Z2, when a connecting point between the impedance adjustment circuit and the gate drive line is viewed from the impedance adjustment circuit. X that denotes a characteristic impedance of the impedance adjustment circuit is a value between Z1 and Z2.
    Type: Application
    Filed: August 23, 2019
    Publication date: December 12, 2019
    Inventors: Kouki YAMAMOTO, Masatoshi KAMITANI, Shingo MATSUDA, Hiroshi SUGIYAMA, Kaname MOTOYOSHI, Masao NAKAYAMA
  • Publication number: 20190276363
    Abstract: Provided is a cement composition that has high fluidity (for example, a 0-drop flow value of 200 mm or more) before curing and exhibits high compressive strength (for example, 320 N/mm2 or more) after curing. The cement composition includes a cement, a silica fume having a BET specific surface area of from 10 m2/g to 25 m2/g, an inorganic powder having a 50% cumulative particle size of from 0.8 ?m to 5 ?m, a fine aggregate having a maximum particle size of 1.2 mm or less, a water reducing agent, an antifoaming agent, and water. The ratio of the cement is from 55 vol % to 65 vol %, the ratio of the silica fume is from 5 vol % to 25 vol %, and the ratio of the inorganic powder is from 15 vol % to 35 vol % in the total amount of 100 vol % of the cement, the silica fume, and the inorganic powder.
    Type: Application
    Filed: May 28, 2019
    Publication date: September 12, 2019
    Inventors: Risa NAKAYAMA, Katsuya KONO, Katsuhiko TADA, Hiroaki MORI, Shingo SUGIYAMA, Shinpei MAEHORI
  • Patent number: 10351476
    Abstract: Provided is a cement composition that has high fluidity (for example, a 0-drop flow value of 200 mm or more) before curing and exhibits high compressive strength (for example, 320 N/mm2 or more) after curing. The cement composition includes a cement, a silica fume having a BET specific surface area of from 10 m2/g to 25 m2/g, an inorganic powder having a 50% cumulative particle size of from 0.8 ?m to 5 ?m, a fine aggregate having a maximum particle size of 1.2 mm or less, a water reducing agent, an antifoaming agent, and water. The ratio of the cement is from 55 vol % to 65 vol %, the ratio of the silica fume is from 5 vol % to 25 vol %, and the ratio of the inorganic powder is from 15 vol % to 35 vol % in the total amount of 100 vol % of the cement, the silica fume, and the inorganic powder.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: July 16, 2019
    Assignee: TAIHEIYO CEMENT CORPORATION
    Inventors: Risa Nakayama, Katsuya Kono, Katsuhiko Tada, Hiroaki Mori, Shingo Sugiyama, Shinpei Maehori
  • Publication number: 20170275203
    Abstract: Provided is a cement composition that has high fluidity (for example, a 0-drop flow value of 200 mm or more) before curing and exhibits high compressive strength (for example, 320 N/mm2 or more) after curing. The cement composition includes a cement, a silica fume having a BET specific surface area of from 10 m2/g to 25 m2/g, an inorganic powder having a 50% cumulative particle size of from 0.8 ?m to 5 ?m, a fine aggregate having a maximum particle size of 1.2 mm or less, a water reducing agent, an antifoaming agent, and water. The ratio of the cement is from 55 vol % to 65 vol %, the ratio of the silica fume is from 5 vol % to 25 vol %, and the ratio of the inorganic powder is from 15 vol % to 35 vol % in the total amount of 100 vol % of the cement, the silica fume, and the inorganic powder.
    Type: Application
    Filed: August 25, 2015
    Publication date: September 28, 2017
    Inventors: Risa NAKAYAMA, Katsuya KONO, Katsuhiko TADA, Hiroaki MORI, Shingo SUGIYAMA, Shinpei MAEHORI
  • Publication number: 20160271645
    Abstract: To provide a fixing pressure roller having low roller hardness, low heat capacity, and low thermal expansion coefficient, and a fixing device including the fixing pressure roller. The fixing pressure roller of the invention for employment in a fixing unit of a fixing device has a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product formed by mixing a raw silicone rubber with resin microballoons and water, to thereby prepare a dispersion, and then curing the raw silicone rubber; and the silicone rubber product includes therein first voids provided from the resin microballoons and second voids which are smaller than the first voids and which are provided by evaporation of water.
    Type: Application
    Filed: May 26, 2016
    Publication date: September 22, 2016
    Inventors: Akira NISHIDA, Shingo SUGIYAMA, Masaya SUZUKI
  • Patent number: 9383699
    Abstract: The present invention provides a fixing pressure roller exhibiting excellent compression set and having low hardness and low heat capacity, as well as a fixing device including the fixing pressure roller. A pressure roller employed in a fixing unit of a fixing device includes a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product produced by mixing a silicone rubber raw material with resin microballoons and water, and then curing the silicone rubber raw material; and the silicone rubber product includes therein voids provided by breakage of the resin microballoons through application of pressure, and voids provided through evaporation of the water.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: July 5, 2016
    Assignee: SYNZTEC CO., LTD.
    Inventors: Masaya Suzuki, Akira Nishida, Shingo Sugiyama
  • Publication number: 20160085192
    Abstract: The present invention provides a fixing pressure roller exhibiting excellent compression set and having low hardness and low heat capacity, as well as a fixing device including the fixing pressure roller. A pressure roller employed in a fixing unit of a fixing device includes a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product produced by mixing a silicone rubber raw material with resin microballoons and water, and then curing the silicone rubber raw material; and the silicone rubber product includes therein voids provided by breakage of the resin microballoons through application of pressure, and voids provided through evaporation of the water.
    Type: Application
    Filed: November 27, 2015
    Publication date: March 24, 2016
    Inventors: Masaya SUZUKI, Akira NISHIDA, Shingo SUGIYAMA
  • Patent number: 9091982
    Abstract: The invention provides a fixing pressure roller having an elastic layer formed of a porous material produced from an emulsion, the roller having improved durability. The fixing pressure roller has a core, a rubber layer which has a thickness of 1.0 mm or less and which is provided around the core, and an elastic layer which is formed of a porous elastomer produced from an emulsion composition and which is provided around the rubber layer, the emulsion composition having a continuous phase of a liquid rubber material which forms an elastomer through curing.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: July 28, 2015
    Assignees: NOK CORPORATION, SYNZTEC CO., LTD.
    Inventors: Shingo Sugiyama, Junichi Nakayama, Wataru Nemoto, Atsushi Ikeda
  • Publication number: 20150125195
    Abstract: To provide a fixing pressure roller having low roller hardness, low heat capacity, and low thermal expansion coefficient, and a fixing device including the fixing pressure roller. The fixing pressure roller of the invention for employment in a fixing unit of a fixing device has a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product formed by mixing a raw silicone rubber with resin microballoons and water, to thereby prepare a dispersion, and then curing the raw silicone rubber; and the silicone rubber product includes therein first voids provided from the resin microballoons and second voids which are smaller than the first voids and which are provided by evaporation of water.
    Type: Application
    Filed: October 30, 2014
    Publication date: May 7, 2015
    Inventors: AKIRA NISHIDA, SHINGO SUGIYAMA, MASAYA SUZUKI
  • Patent number: 8965260
    Abstract: The present invention provides a fixation member having a multi-layer metallic structure, which member comprises a substrate employing electroformed nickel for preventing image quality failure. The fixation member of the present invention includes a metallic substrate including a first layer formed of an electroformed seamless belt made of nickel or a nickel alloy, and a second layer formed of an electroformed seamless belt made of a metal having a thermal conductivity greater than that of the first layer; an adhesion layer disposed on the surface of the second layer; and a fluororesin layer disposed by the mediation of the adhesion layer, wherein the ratio of the thickness of the second layer to the total thickness of the metallic substrate is 0.66 to 0.95.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: February 24, 2015
    Assignees: Nok Corporation, Synztec Co., Ltd.
    Inventors: Shingo Sugiyama, Akira Nishida, Minoru Takeda
  • Patent number: 8958733
    Abstract: The disclosed fixing pressure member has a simple structure, is produced through simplified production processes, causes no problem due to continued use thereof, and exhibits excellent durability. Also disclosed is a method for producing such. The fixing pressure member employed in a fixing unit of a fixing device includes a sliding sheet having a sliding surface which slides with respect to the inner peripheral surface of a belt of the fixing unit, and an elastic member provided inside the sliding sheet. The sliding sheet is formed of a resin fiber woven fabric, a resin fiber knitted fabric, a resin nonwoven fabric, or a resin film. The elastic member and sliding sheet are formed through integral molding such that the elastic member is bonded to at least the inner surface of the sliding sheet opposite the sliding surface. The sliding surface has thereon an embossment formed through an embossing process.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: February 17, 2015
    Assignees: Nok Corporation, Synztec Co., Ltd.
    Inventors: Akira Nishida, Shingo Sugiyama
  • Publication number: 20150023706
    Abstract: The present invention provides a fixing pressure roller exhibiting excellent compression set and having low hardness and low heat capacity, as well as a fixing device including the fixing pressure roller. A pressure roller employed in a fixing unit of a fixing device includes a core, and an elastic layer provided around the core, wherein the elastic layer is formed of a silicone rubber product produced by mixing a silicone rubber raw material with resin microballoons and water, and then curing the silicone rubber raw material; and the silicone rubber product includes therein voids provided by breakage of the resin microballoons through application of pressure, and voids provided through evaporation of the water.
    Type: Application
    Filed: July 17, 2014
    Publication date: January 22, 2015
    Inventors: Masaya SUZUKI, Akira NISHIDA, Shingo SUGIYAMA
  • Publication number: 20140301761
    Abstract: The invention provides a multilayer metal member for image fixation which does not readily undergo breakage due to bending stress during use thereof and which has improved durability. The multilayer metal member includes a metal substrate formed of at least three laminated metal layers, and a fluororesin layer disposed on the metal substrate, wherein the metal substrate has a first layer which is an electrocast seamless belt formed of nickel or a nickel alloy, a second layer which is an electrocast seamless belt formed of a metal having a Young's modulus smaller than that of the first layer, and a third layer formed of a metal having a corrosion resistance higher than that of the second layer; and the ratio (y) of the thickness of the third layer to that of the first layer satisfies the following formula: y(x)??7.5x+3.015, including the ratio (x) of the thickness of the second layer to the total thickness of the metal substrate.
    Type: Application
    Filed: April 2, 2014
    Publication date: October 9, 2014
    Applicants: SYNZTEC CO., LTD., NOK CORPORATION
    Inventors: Shingo SUGIYAMA, Akira NISHIDA, Masaya SUZUKI, Minoru TAKEDA
  • Publication number: 20140242412
    Abstract: The multilayer metal member of the invention includes a metallic base having a first layer 11 which is an electrocast seamless belt made of nickel or a nickel alloy, and a second layer 12 which is an electrocast seamless belt made of a metal having a Young's modulus lower than that of the first layer 11; and a fluororesin layer 17 provided on the second layer 12 side of the metallic base by the mediation of an adhesion layer, wherein the ratio of the thickness of the second layer 12 to the total thickness of the metallic base is 0.25 to 0.65.
    Type: Application
    Filed: October 2, 2012
    Publication date: August 28, 2014
    Inventors: Shingo Sugiyama, Akira Nishida, Minoru Takeda
  • Publication number: 20140224660
    Abstract: Disclosed is a method for producing an electrocast belt which method ensures long-term use of an electrocasting bath and which method enables provision of an electrocast belt having a required product quality even when an electrocasting bath that has been used in electrolysis with a large cumulative amount of electricity. The method includes a first step of producing an electrocast belt having a required product quality in an electrocasting bath of a specific composition until a predetermined period of time has elapsed; a second step of subsequently producing an electrocast belt in the same electrocasting bath; and a third step of polishing a surface of the electrocast belt produced from the second step so that the electrocast belt produced from the third step has a product quality equivalent to that of the electrocast belt produced from the first step.
    Type: Application
    Filed: November 14, 2013
    Publication date: August 14, 2014
    Applicants: SYNZTEC CO., LTD., NOK CORPORATION
    Inventors: Shingo SUGIYAMA, Akira NISHIDA, Masaya SUZUKI, Minoru TAKEDA
  • Patent number: 8708086
    Abstract: A saddle-ride type vehicle in which the body frame can be reinforced without using a special reinforcing member includes left and right rear frame portions extending rearward and upward from a down frame. The right and left rear frame portions each include a rear frame front half portion and a rear frame rear half portion that are joined together at a joint. The left and right rear frame front half portions are connected to each other by a cross frame. The rear frame rear half portions extend further forward from its joint with the rear frame front half portion and are also joined together by the cross frame, which supports a seat through a storage box.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: April 29, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hidenori Nagura, Junichi Sakamoto, Shingo Sugiyama
  • Publication number: 20140086652
    Abstract: The present invention provides a fixation member which exhibits enhanced wear resistance and sliding property between the peripheral surface of the fixation member and a pressure member, which can reduce driving torque at a fixation unit, and which does not cause stick slipping even in a high-load operational mode, and a fixation apparatus having the fixation member. The fixation member employed in a fixation unit of the fixation apparatus has a metallic substrate having at least one layer of an electrocast seamless belt, and a slide layer disposed on the inner peripheral surface of the metallic substrate, wherein the slide layer is formed of at least one species of the group consisting of a polyamide-imide resin and a polyimide resin, and a fluororesin; the slide layer has a fluororesin content of 27.5 mass % to 50 mass %; and the slide layer has a surface roughness Ra of 0.4 ?m or less.
    Type: Application
    Filed: September 11, 2013
    Publication date: March 27, 2014
    Applicants: NOK CORPORATION, SYNZTEC CO., LTD., NOK KLUEBER CO., LTD.
    Inventors: Shingo SUGIYAMA, Masaya SUZUKI, Akira NISHIDA, Hitoshi OKABE, Tetsuhiro KITAHARA, Yujiro YAMASAKI
  • Publication number: 20130287461
    Abstract: The invention provides a fixing pressure roller having an elastic layer formed of a porous material produced from an emulsion, the roller having improved durability. The fixing pressure roller has a core, a rubber layer which has a thickness of 1.0 mm or less and which is provided around the core, and an elastic layer which is formed of a porous elastomer produced from an emulsion composition and which is provided around the rubber layer, the emulsion composition having a continuous phase of a liquid rubber material which forms an elastomer through curing.
    Type: Application
    Filed: April 24, 2013
    Publication date: October 31, 2013
    Applicants: SYNZTEC CO., LTD., NOK CORPORATION
    Inventors: Shingo SUGIYAMA, Junichi NAKAYAMA, Wataru NEMOTO, Atsushi IKEDA