Patents by Inventor Takaya Suzuki

Takaya Suzuki 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: 20240343871
    Abstract: Provided is a thermoplastic resin prepreg comprising a fiber-reinforced substrate and a thermoplastic resin composition partially or completely impregnated in the fiber-reinforced substrate, the thermoplastic resin prepreg being characterized in that the thermoplastic resin composition contains at least 50 [mass %] of polyether ether ketone among all the thermoplastic resins contained in the thermoplastic resin composition, and the sum of the crystallinity WC [%] of the thermoplastic resin composition and the rigid amorphous component proportion WRAP [%] in the thermoplastic resin composition is in the range of 51 to 100 [%].
    Type: Application
    Filed: July 28, 2022
    Publication date: October 17, 2024
    Applicant: TEIJIN LIMITED
    Inventors: Akimichi ODA, Takaya SUZUKI, Takuro KOBAYASHI
  • Patent number: 12084546
    Abstract: The present invention provides a thermosetting resin composition characterized by comprising a bismaleimide compound and a triazine compound having a diaminotriazine structure.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: September 10, 2024
    Assignee: TEIJIN LIMITED
    Inventors: Miki Horikawa, Takaya Suzuki, Hiroaki Kuwahara
  • Patent number: 11993538
    Abstract: A quartz glass provides an opaque quartz glass having high light-shielding property, excellent mechanical strength and excellent cleaning resistance against hydrofluoric acid. By setting the maximum width of the amorphous bubbles existing in the opaque quartz glass to an average of 3 to 15 ?m and the density to 2.15 g/cm3 or more, the mechanical strength after baking and the cleaning resistance by hydrofluoric acid are improved. The opaque quartz glass has a whiteness at a thickness of 10 mm of 75 to 90%, the reflectance of light with a wavelength of 0.24 to 2.6 ?m at a thickness of 4 mm is 60 to 85%, and the bending strength after baking is 95 MPa. In addition, a foaming agent may be mixed in the opaque quartz glass. An opaque quartz glass having cleaning resistance against acid can be obtained.
    Type: Grant
    Filed: January 30, 2021
    Date of Patent: May 28, 2024
    Assignee: TOSOH QUARTZ CORPORATION
    Inventors: Takashi Taniguchi, Chiemi Ito, Takaya Suzuki, Yuka Oba
  • Publication number: 20240083803
    Abstract: A quartz glass provides an opaque quartz glass having high light-shielding property, excellent mechanical strength and excellent cleaning resistance against hydrofluoric acid. By setting the maximum width of the amorphous bubbles existing in the opaque quartz glass to an average of 3 to 15 ?m and the density to 2.15 g/cm3 or more, the mechanical strength after baking and the cleaning resistance by hydrofluoric acid are improved. The opaque quartz glass has a whiteness at a thickness of 10 mm of 75 to 90%, the reflectance of light with a wavelength of 0.24 to 2.6 ?m at a thickness of 4 mm is 60 to 85%, and the bending strength after baking is 95 MPa. In addition, a foaming agent may be mixed in the opaque quartz glass. An opaque quartz glass having cleaning resistance against acid can be obtained.
    Type: Application
    Filed: January 30, 2021
    Publication date: March 14, 2024
    Inventors: Takashi TANIGUCHI, Chiemi ITO, Takaya SUZUKI, Yuka OBA
  • Patent number: 11746445
    Abstract: An object of the present invention is to provide a carbon fiber which exhibits excellent strength development rate when used in a composite material. The present invention that solves the problems is a carbon fiber which simultaneously satisfies the following formulae (1) and (2): Lc/d?3??(1) TS×d×Lc>6.0×105??(2) wherein: Lc is an X-ray crystallite size (?), d is a filament diameter (?m), and TS is a strand tensile strength (MPa).
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: September 5, 2023
    Assignees: TEIJIN LIMITED, Teijin Carbon Europe GmbH
    Inventors: Shuhei Yoshida, Hidekazu Yoshikawa, Yosuke Nakamura, Hironori Kawamoto, Takaya Suzuki, Toru Kaneko
  • Patent number: 11560646
    Abstract: An object of the present invention is to provide a carbon fiber which exhibits excellent strength development rate when used in a composite material. The present invention that solves the problems is a carbon fiber which simultaneously satisfies the following formulae (1) and (2): Lc/d?3??(1) TS×d×Lc>6.0×105??(2) wherein: Lc is an X-ray crystallite size (?), d is a filament diameter (?m), and TS is a strand tensile strength (MPa).
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: January 24, 2023
    Assignees: TEIJIN LIMITED, Teijin Carbon Europe GmbH
    Inventors: Shuhei Yoshida, Hidekazu Yoshikawa, Yosuke Nakamura, Hironori Kawamoto, Takaya Suzuki, Toru Kaneko
  • Publication number: 20230017814
    Abstract: An object of the present invention is to provide a carbon fiber which exhibits excellent strength development rate when used in a composite material. The present invention that solves the problems is a carbon fiber which simultaneously satisfies the following formulae (1) and (2): Lc/d?3??(1) TS×d×Lc>6.0×105??(2) wherein: Lc is an X-ray crystallite size (?), d is a filament diameter (?m), and TS is a strand tensile strength (MPa).
    Type: Application
    Filed: September 13, 2022
    Publication date: January 19, 2023
    Applicants: Teijin Limited, Teijin Carbon Europe GmbH
    Inventors: Shuhei YOSHIDA, Hidekazu Yoshikawa, Yosuke Nakamura, Hironori Kawamoto, Takaya Suzuki, Toru Kaneko
  • Publication number: 20220386613
    Abstract: The present invention is aimed at providing a weed control method and a mixed agrochemical composition for soil treatment, which, in a soil treatment of farmland with pyroxasulfone, not only can inhibit or reduce crop injury caused by absorption into cultivated crops, without being influenced by heavy rainfall, soil type, seeding depth and the like, but also are effective against a wide range of weed species. The weed control method includes a soil treatment step of performing a soil treatment on farmland with an agrochemical composition for soil treatment, which contains pyroxasulfone, and with a protoporphyrinogen oxidase inhibitor, simultaneously or sequentially, the method being characterized in that the agrochemical composition for soil treatment further contains a masking substance that masks the pyroxasulfone, and the pyroxasulfone is microencapsulated in or coated with the masking substance.
    Type: Application
    Filed: October 21, 2020
    Publication date: December 8, 2022
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Takaya SUZUKI
  • Publication number: 20220369640
    Abstract: The present invention is aimed at providing: an agrochemical composition for soil treatment which, in a soil treatment of farmland with pyroxasulfone, not only can inhibit or reduce crop injury caused by absorption into cultivated crops, without being influenced by heavy rainfall, soil type, seeding depth and the like, but also is highly safe and has a broad herbicidal spectrum; and a pest control method using the agrochemical composition. The agrochemical composition for soil treatment contains pyroxasulfone and a masking substance that masks the pyroxasulfone, in which the pyroxasulfone is microencapsulated in or coated with the masking substance.
    Type: Application
    Filed: October 21, 2020
    Publication date: November 24, 2022
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Takaya SUZUKI
  • Publication number: 20220256695
    Abstract: A circuit board being able to easily ensure flatness of solder placed on a substrate for bonding an electronic component and improve bonding reliability of the electronic component by the solder, includes: a substrate having a plurality of layers made of a conductive material; a land provided on a first layer arranged on one side of the substrate, to which the electronic component is soldered; a heat sink provided on a different layer arranged on the substrate; a via hole provided on the substrate from a part of the land over to a part of the heat sink and electrically connected to the land and the heat sink; and an insulating resist disposed on the land and surrounding the entire circumference of the via hole.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 11, 2022
    Applicant: AISIN CORPORATION
    Inventors: Kohei HAYASHI, Shuichi TAKEMOTO, Yuji KONDO, Takaya SUZUKI
  • Publication number: 20220017698
    Abstract: The present invention provides a thermosetting resin composition characterized by comprising a bismaleimide compound and a triazine compound having a diaminotriazine structure.
    Type: Application
    Filed: November 26, 2019
    Publication date: January 20, 2022
    Applicant: TEIJIN LIMITED
    Inventors: Miki HORIKAWA, Takaya SUZUKI, Hiroaki KUWAHARA
  • Publication number: 20210403374
    Abstract: A method for manufacturing a large sized opaque quartz glass ingot having excellent heat ray shielding and light blocking properties without using a foaming agent. The obtained opaque quartz glass has small diameter spherical bubbles and a preferable mechanical strength. Silica powder is dispersed in water to form a slurry having a silica powder concentration of 45 to 75 wt % and the average particle size of the silica powder is adjusted to 8 ?m or less and the standard deviation of the particle size is adjusted to 6 ?m or more by wet pulverization. The slurry is sprayed for forming granules of the silica powder. An opaque quartz glass ingot with a small bubble diameter and high mechanical strength is obtained by melting the granulated silica powder.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 30, 2021
    Inventors: Chiemi ITO, Takeshi MUTOU, Masahiro SATO, Takaya SUZUKI, Minoru KUNIYOSHI
  • Publication number: 20210347096
    Abstract: A prepreg consisting cf a fiber reinforcement material and a resin composition containing a bismaleimide resin is molded through a first heating step in which the prepreg is held at a temperature (T1) equal to or higher than a temperature at which the resin composition exhibits a viscosity of 100 (Pa·s) and equal to or lower than a temperature at which the resin composition exhibits the minimum viscosity for 30 minutes or more, followed by being held at a temperature equal to or higher than a curing temperature of the bismaleimide resin.
    Type: Application
    Filed: April 27, 2021
    Publication date: November 11, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Miki HORIKAWA, Takaya Suzuki
  • Patent number: 10927226
    Abstract: The invention provides a prepreg comprising: a primary prepreg composed of reinforcing fibers and a resin composition (I) impregnating the interior of a reinforcing fiber layer formed from these fibers; and a surface layer composed of a resin composition (II) formed on one or both sides of the primary prepreg; wherein the resin composition (I) is an epoxy resin composition [B] containing at least an epoxy resin and a thermoplastic resin, and the resin composition (II) is an epoxy resin composition [A] containing at least an epoxy resin and conductive particles.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: February 23, 2021
    Assignee: TOHO TENAX CO., LTD.
    Inventors: Takaya Suzuki, Hajime Sakamoto, Toyoaki Ishiwata, Yoshitaka Umemoto
  • Publication number: 20210039978
    Abstract: To provide an opaque quartz glass having excellent heat insulating property, mechanical strength and surface smoothness, a silica powder water slurry of concentration of 45 to 75 wt % is subjected to wet pulverization with silicon nitride beads having a mean diameter of 0.1 mm to 3 mm. The silica powder and silicon nitride beads are subjected to abrasion and the silicon nitride powder works as foaming agent and independent spherical bubbles are formed for manufacturing opaque quartz glass which has air cells having a mean diameter of 2 to 30 ?m and are independent spherical, having a density of 1.90 to 2.20 g/cm3, a whiteness of 80 or more, a reflectance of 80% or more for light of a wavelength of 0.2 to 3 ?m at thickness of 3 mm, a bending strength of 70 MPa or more, a surface roughness Ra of the baked surface of 0.7 ?m or less.
    Type: Application
    Filed: March 9, 2018
    Publication date: February 11, 2021
    Inventors: Minoru KUNIYOSHI, Yukihiro SUGANO, Chiemi ITO, Takaya SUZUKI
  • Publication number: 20200407548
    Abstract: The present invention provides an epoxy resin composition including tetraglycidyl-3,4?-diaminodiphenyl ether, and a curing agent composed of an aromatic polyamine having a predetermined substituent in at least one ortho position with respect to an amino group, a predetermined aromatic epoxy resin having a glycidyl ether group, or an epoxy resin having a predetermined epoxy equivalent weight.
    Type: Application
    Filed: March 14, 2019
    Publication date: December 31, 2020
    Applicant: TEIJIN LIMITED
    Inventors: Suguru OZAWA, Hironori KAWAMOTO, Takaya SUZUKI, Hiroaki KUWAHARA, Toru KANEKO
  • Publication number: 20200385891
    Abstract: An object of the present invention is to provide a carbon fiber which exhibits excellent strength development rate when used in a composite material. The present invention that solves the problems is a carbon fiber which simultaneously satisfies the following formulae (1) and (2): Lc/d?3??(1) TS×d×Lc>6.0×105??(2) wherein: Lc is an X-ray crystallite size (?), d is a filament diameter (?m), and TS is a strand tensile strength (MPa).
    Type: Application
    Filed: November 22, 2018
    Publication date: December 10, 2020
    Applicants: TEIJIN LIMITED, TEIJIN CARBON EUROPE GMBH
    Inventors: Shuhei YOSHIDA, Hidekazu YOSHIKAWA, Yosuke NAKAMURA, Hironori KAWAMOTO, Takaya SUZUKI, Toru KANEKO
  • Patent number: 10690038
    Abstract: There is provided a motorcycle. A side stand is disposed at a side-lower portion of an engine and configured to be rotatable between a using position at which the side stand can be grounded to a ground surface and a retraction position at which the side stand cannot be grounded to the ground surface. An inflow piping is configured to supply cooling water delivered from a water pump to a supercharger. An outflow piping is disposed above the supercharger and configured to return the cooling water having cooled the supercharger to the water pump. The outflow piping is provided to be horizontal or to have an upward gradient from an upstream side toward a downstream side in a state where the side stand is displaced to the using position to be grounded to the ground surface and the engine is inclined toward the side stand-side.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: June 23, 2020
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Kazuhiro Okita, Takaya Suzuki
  • Patent number: 10640170
    Abstract: There is provided a straddle-type vehicle. A water jacket is configured to cool an engine by cooling water discharged from a water pump. A radiator is arranged in front of the engine. A cooling water stream control unit is configured to control a flow rate of the cooling water to circulate in the radiator, based on a temperature of the cooling water after cooling the engine. The water pump is mounted to a part of a crankcase at one side in a right and left direction of the straddle-type vehicle. The cooling water stream control unit is arranged at a position that is located at the one side of a center of the straddle-type vehicle in the right and left direction, is lower than a cylinder head cover and is located between the engine and the radiator, when seeing the straddle-type vehicle from a side.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: May 5, 2020
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Kazuhiro Okita, Takaya Suzuki
  • Patent number: 10294854
    Abstract: There is provided a saddle-ridden type vehicle. An air intake piping is connected between an air cleaner and a supercharger. An air outlet piping is connected between the supercharger and an intercooler. An air bypass passage is provided between the air outlet piping and the air intake piping to allow compressed air to escape toward an upstream side of the supercharger without flowing in the supercharger. An air bypass valve is configured to open and close the air bypass passage. The supercharger is disposed in front of the engine. The air cleaner is disposed above the engine. The air intake piping extends in an upper-lower direction in a region ranging from the above of the engine to a front of the engine at one side in a vehicle width direction. The air bypass valve is disposed at the rear of the air intake piping.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: May 21, 2019
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Kazuhiro Okita, Takaya Suzuki