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: 20240343871Abstract: 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: ApplicationFiled: July 28, 2022Publication date: October 17, 2024Applicant: TEIJIN LIMITEDInventors: Akimichi ODA, Takaya SUZUKI, Takuro KOBAYASHI
-
Patent number: 12084546Abstract: The present invention provides a thermosetting resin composition characterized by comprising a bismaleimide compound and a triazine compound having a diaminotriazine structure.Type: GrantFiled: November 26, 2019Date of Patent: September 10, 2024Assignee: TEIJIN LIMITEDInventors: Miki Horikawa, Takaya Suzuki, Hiroaki Kuwahara
-
Patent number: 11993538Abstract: 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: GrantFiled: January 30, 2021Date of Patent: May 28, 2024Assignee: TOSOH QUARTZ CORPORATIONInventors: Takashi Taniguchi, Chiemi Ito, Takaya Suzuki, Yuka Oba
-
Publication number: 20240083803Abstract: 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: ApplicationFiled: January 30, 2021Publication date: March 14, 2024Inventors: Takashi TANIGUCHI, Chiemi ITO, Takaya SUZUKI, Yuka OBA
-
Patent number: 11746445Abstract: 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: GrantFiled: September 13, 2022Date of Patent: September 5, 2023Assignees: TEIJIN LIMITED, Teijin Carbon Europe GmbHInventors: Shuhei Yoshida, Hidekazu Yoshikawa, Yosuke Nakamura, Hironori Kawamoto, Takaya Suzuki, Toru Kaneko
-
Patent number: 11560646Abstract: 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: GrantFiled: November 22, 2018Date of Patent: January 24, 2023Assignees: TEIJIN LIMITED, Teijin Carbon Europe GmbHInventors: Shuhei Yoshida, Hidekazu Yoshikawa, Yosuke Nakamura, Hironori Kawamoto, Takaya Suzuki, Toru Kaneko
-
Publication number: 20230017814Abstract: 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: ApplicationFiled: September 13, 2022Publication date: January 19, 2023Applicants: Teijin Limited, Teijin Carbon Europe GmbHInventors: Shuhei YOSHIDA, Hidekazu Yoshikawa, Yosuke Nakamura, Hironori Kawamoto, Takaya Suzuki, Toru Kaneko
-
Publication number: 20220386613Abstract: 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: ApplicationFiled: October 21, 2020Publication date: December 8, 2022Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.Inventor: Takaya SUZUKI
-
Publication number: 20220369640Abstract: 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: ApplicationFiled: October 21, 2020Publication date: November 24, 2022Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.Inventor: Takaya SUZUKI
-
Publication number: 20220256695Abstract: 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: ApplicationFiled: February 7, 2022Publication date: August 11, 2022Applicant: AISIN CORPORATIONInventors: Kohei HAYASHI, Shuichi TAKEMOTO, Yuji KONDO, Takaya SUZUKI
-
Publication number: 20220017698Abstract: The present invention provides a thermosetting resin composition characterized by comprising a bismaleimide compound and a triazine compound having a diaminotriazine structure.Type: ApplicationFiled: November 26, 2019Publication date: January 20, 2022Applicant: TEIJIN LIMITEDInventors: Miki HORIKAWA, Takaya SUZUKI, Hiroaki KUWAHARA
-
Publication number: 20210403374Abstract: 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: ApplicationFiled: December 14, 2018Publication date: December 30, 2021Inventors: Chiemi ITO, Takeshi MUTOU, Masahiro SATO, Takaya SUZUKI, Minoru KUNIYOSHI
-
Publication number: 20210347096Abstract: 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: ApplicationFiled: April 27, 2021Publication date: November 11, 2021Applicant: TEIJIN LIMITEDInventors: Miki HORIKAWA, Takaya Suzuki
-
Patent number: 10927226Abstract: 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: GrantFiled: September 25, 2013Date of Patent: February 23, 2021Assignee: TOHO TENAX CO., LTD.Inventors: Takaya Suzuki, Hajime Sakamoto, Toyoaki Ishiwata, Yoshitaka Umemoto
-
Publication number: 20210039978Abstract: 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: ApplicationFiled: March 9, 2018Publication date: February 11, 2021Inventors: Minoru KUNIYOSHI, Yukihiro SUGANO, Chiemi ITO, Takaya SUZUKI
-
Publication number: 20200407548Abstract: 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: ApplicationFiled: March 14, 2019Publication date: December 31, 2020Applicant: TEIJIN LIMITEDInventors: Suguru OZAWA, Hironori KAWAMOTO, Takaya SUZUKI, Hiroaki KUWAHARA, Toru KANEKO
-
Publication number: 20200385891Abstract: 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: ApplicationFiled: November 22, 2018Publication date: December 10, 2020Applicants: TEIJIN LIMITED, TEIJIN CARBON EUROPE GMBHInventors: Shuhei YOSHIDA, Hidekazu YOSHIKAWA, Yosuke NAKAMURA, Hironori KAWAMOTO, Takaya SUZUKI, Toru KANEKO
-
Patent number: 10690038Abstract: 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: GrantFiled: July 9, 2018Date of Patent: June 23, 2020Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki
-
Patent number: 10640170Abstract: 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: GrantFiled: June 22, 2018Date of Patent: May 5, 2020Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki
-
Patent number: 10294854Abstract: 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: GrantFiled: October 26, 2016Date of Patent: May 21, 2019Assignee: SUZUKI MOTOR CORPORATIONInventors: Kazuhiro Okita, Takaya Suzuki