Patents by Inventor Shota Hayakawa
Shota Hayakawa 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: 11939443Abstract: A polyphenylene ether resin composition includes (A) polyphenylene ether, and (B) a block copolymer including a butadiene block having a molar ratio of a 1,2-bonding structure to a 1,4-bonding structure of 80:20 to 100:0 and a styrene block. The number average molecular weight (Mn) of the component (A) may be 1,000 to 7,000, the weight ratio of the styrene block to the butadiene block in the component (B) may be 10:90 to 80:20, and the weight average molecular weight (Mw) of the component (B) may be 2,000 to 100,000.Type: GrantFiled: July 7, 2020Date of Patent: March 26, 2024Assignee: NIPPON SODA CO., LTD.Inventors: Shota Osumi, Izumi Tando, Hiroki Ueda, Yoshio Hayakawa
-
Publication number: 20240039577Abstract: Performance is improved in a wireless communication terminal in which an antenna is connected to a transmission circuit and a reception circuit. A transmission/reception switching circuit includes a first N-type transistor and a second N-type transistor. The first N-type transistor has a drain connected to the antenna and a gate to which a constant voltage is applied. Furthermore, the second N-type transistor has a drain connected to a source of the first N-type transistor and a gate to which a transmission signal is input. Furthermore, the second N-type transistor supplies a reception signal from one of a source and the drain.Type: ApplicationFiled: October 28, 2021Publication date: February 1, 2024Inventors: HIDESHI MOTOYAMA, SHOTA HAYAKAWA
-
Publication number: 20220403124Abstract: The invention provides a biaxially oriented polyester film having excellent impact strength and heat resistance and a method for producing same. The method comprises (A) melt-extruding a composition comprising polyester resin for which Tc?(Tg+Tm)/2 is 25?30° C. to obtain unstretched polyester resin composition sheet, which (B) is heated at Tg+5 (° C.) to Tg+40 (° C.) of the polyester resin and stretched in the machine direction at 2×-6× to obtain uniaxially oriented polyester resin composition film, which (C) is heated at Tc?46 (° C.) to Tc+25 (° C.) of the polyester resin and stretched in the transverse direction at 4×?8× to obtain biaxially oriented polyester resin composition film, which (D) undergoes relaxation at 3%-20% in the transverse direction as heated at Tm?40 (° C.) to Tm?5 (° C.) of the polyester resin.Type: ApplicationFiled: December 16, 2020Publication date: December 22, 2022Applicant: TOYOBO CO., LTD.Inventors: Toshiyuki SHIMIZU, Shota HAYAKAWA, Kenta KAWAGUCHI, Shinya HIGASHIURA
-
Patent number: 11511473Abstract: It is provided that a method for producing a biaxially oriented polyester film that can be used for industrial and packaging applications. A method for producing a biaxially oriented polyester film, comprising: a step of feeding a polyester resin into an extruder, a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C., a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, and a step of biaxially stretching the unstretched sheet, wherein the polyester resin fulfills the following (A) to (C): (A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol; (B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more; (C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×107 ?·cm or less.Type: GrantFiled: February 28, 2018Date of Patent: November 29, 2022Assignees: TOYOBO CO., LTD., FURANIX TECHNOLOGIES B.V.Inventors: Shota Hayakawa, Yukihiro Numata, Katsuya Ito, Jun Inagaki, Toshiyuki Shimizu, Shoichi Gyobu, Chikao Morishige, Jesper Gabriel Van Berkel
-
Publication number: 20220363008Abstract: A three-dimensional fabrication apparatus includes a flattening member and a rotation drive unit. The flattening member moves on layers of a fabrication material to flatten an upper surface of the layers of the fabrication material. The rotation drive unit rotates the flattening member and determines a circumferential position of the flattening member.Type: ApplicationFiled: April 11, 2022Publication date: November 17, 2022Applicant: Ricoh Company, Ltd.Inventors: Shota HAYAKAWA, Masato TSUJI, Yunsheng SUN, Haruyuki SUZUKI, Hayato FUJITA
-
Patent number: 11325363Abstract: An object is to provide a laminate having excellent lamination strength that includes a polyester film having a furandicarboxylate unit and a heat-sealable resin layer, and to provide a packaging bag including the same. A laminate including a polyester film and a heat-sealable resin layer, wherein the polyester film is a biaxially oriented polyester film containing a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol, a plane orientation coefficient ?P of the film is 0.100 or more and 0.160 or less, a thickness of the film is 1 ?m or more and 300 ?m or less, a heat shrinkage rate of the film is 10% or less when heated at 150° C. for 30 minutes, and lamination strength of the laminate is 2.0 N/15 mm or more.Type: GrantFiled: February 28, 2018Date of Patent: May 10, 2022Assignees: TOYOBO CO., LTD., Furanix Technologies B.V.Inventors: Shota Hayakawa, Yukihiro Numata, Katsuya Ito, Jun Inagaki, Jesper Gabriel Van Berkel
-
Patent number: 11312830Abstract: It is provided that a polyester film excellent in heat resistant dimension stability, impact-resistant strength properties, easy-slipping properties, mechanical properties, transparency, and gas barrier performance, and a film roll obtained by winding up this polyester film. A polyester film includes at least one layer mainly including a polyester resin containing a dicarboxylic acid component including furandicarboxylic acid as a main component and a glycol component including ethylene glycol as a main component; and the polyester film has a plane orientation coefficient ?P of not less than 0.005 and not more than 0.200, a thickness of not less than 1 ?m and not more than 300 ?m, a heat shrinkage rate of 3.2% or less in each of the MD direction and the TD direction at 150° C. for 30 minutes, and a layer containing at least one additive.Type: GrantFiled: January 29, 2021Date of Patent: April 26, 2022Assignees: TOYOBO CO., LTD., Furanix Technologies B.V.Inventors: Jun Inagaki, Katsuya Ito, Yukihiro Numata, Shota Hayakawa, Jesper Gabriel Van Berkel
-
Publication number: 20210147618Abstract: It is provided that a polyester film excellent in heat resistant dimension stability, impact-resistant strength properties, easy-slipping properties, mechanical properties, transparency, and gas barrier performance, and a film roll obtained by winding up this polyester film. A polyester film includes at least one layer mainly including a polyester resin containing a dicarboxylic acid component including furandicarboxylic acid as a main component and a glycol component including ethylene glycol as a main component; and the polyester film has a plane orientation coefficient ?P of not less than 0.005 and not more than 0.200, a thickness of not less than 1 ?m and not more than 300 ?m, a heat shrinkage rate of 3.2% or less in each of the MD direction and the TD direction at 150° C. for 30 minutes, and a layer containing at least one additive.Type: ApplicationFiled: January 29, 2021Publication date: May 20, 2021Applicants: TOYOBO CO., LTD., Furanix Technologies B.V.Inventors: Jun INAGAKI, Katsuya ITO, Yukihiro NUMATA, Shota HAYAKAWA, Jesper Gabriel VAN BERKEL
-
Patent number: 10941244Abstract: It is provided that a polyester film excellent in heat resistant dimension stability, impact-resistant strength properties, easy-slipping properties, mechanical properties, transparency, and gas barrier performance, and a film roll obtained by winding up this polyester film. A polyester film includes at least one layer mainly including a polyester resin containing a dicarboxylic acid component including furandicarboxylic acid as a main component and a glycol component including ethylene glycol as a main component; and the polyester film has a plane orientation coefficient ?P of not less than 0.005 and not more than 0.200, a thickness of not less than 1 ?m and not more than 300 ?m, a heat shrinkage rate of 3.2% or less in each of the MD direction and the TD direction at 150° C. for 30 minutes, and a layer containing at least one additive.Type: GrantFiled: March 7, 2017Date of Patent: March 9, 2021Assignees: TOYOBO CO., LTD., Furanix Technologies B.V.Inventors: Jun Inagaki, Katsuya Ito, Yukihiro Numata, Shota Hayakawa, Jesper Gabriel Van Berkel
-
Publication number: 20210016484Abstract: It is provided that a method for producing a biaxially oriented polyester film that can be used for industrial and packaging applications. A method for producing a biaxially oriented polyester film, comprising: a step of feeding a polyester resin into an extruder, a step of extruding the molten polyester resin from an extruder to obtain a molten resin sheet at 250 to 310° C., a step of attaching the molten resin sheet closely to a cooling roll by an electrostatic application method to obtain an unstretched sheet, and a step of biaxially stretching the unstretched sheet, wherein the polyester resin fulfills the following (A) to (C): (A) the polyester resin comprises a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol; (B) an intrinsic viscosity of the polyester resin is 0.50 dL/g or more; (C) a melt specific resistance value at 250° C. of the polyester resin is 3.0×107 ?·cm or less.Type: ApplicationFiled: February 28, 2018Publication date: January 21, 2021Applicants: TOYOBO CO., LTD., FURANIX TECHNOLOGIES B.V.Inventors: Shota HAYAKAWA, Yukihiro NUMATA, Katsuya ITO, Jun INAGAKI, Toshiyuki SHIMIZU, Shoichi GYOBU, Chikao MORISHIGE, Jesper Gabriel VAN BERKEL
-
Publication number: 20200262153Abstract: A fabricating apparatus is configured to fabricate a three-dimensional object, the apparatus includes a discharging device, a heating device, and control circuitry. The discharging device is configured to discharge a fabrication material to form a fabrication material layer. The heating device is configured to heat the fabrication material layer formed by the discharging device. The control circuitry is configured to control at least one of a heating range of the fabrication material layer heated by the heating device and a heating energy applied to the fabrication material layer by the heating device when the discharging device discharges the fabrication material to laminate another fabrication material layer on the fabrication material layer heated by the heating device.Type: ApplicationFiled: February 11, 2020Publication date: August 20, 2020Applicant: Ricoh Company, Ltd.Inventors: Tsuyoshi Arao, Yoichi Ito, Atsushi Takai, Yoshinobu Takeyama, Soichi Nakamura, Masato Tsuji, Hirotoshi Nakayama, Shota Hayakawa
-
Publication number: 20190389189Abstract: An object is to provide a laminate having excellent lamination strength that includes a polyester film having a furandicarboxylate unit and a heat-sealable resin layer, and to provide a packaging bag including the same. A laminate including a polyester film and a heat-sealable resin layer, wherein the polyester film is a biaxially oriented polyester film containing a polyethylene furandicarboxylate resin composed of a furandicarboxylic acid and ethylene glycol, a plane orientation coefficient ?P of the film is 0.005 or more and 0.200 or less, a thickness of the film is 1 ?m or more and 300 ?m or less, a heat shrinkage rate of the film is 10% or less when heated at 150° C. for 30 minutes, and lamination strength of the laminate is 2.0 N/15 mm or more.Type: ApplicationFiled: February 28, 2018Publication date: December 26, 2019Applicants: TOYOBO CO., LTD., SYNVINA C.V.Inventors: Shota HAYAKAWA, Yukihiro NUMATA, Katsuya ITO, Jun INAGAKI, Jesper Gabriel VAN BERKEL
-
Publication number: 20190106534Abstract: It is provided that a polyester film excellent in heat resistant dimension stability, impact-resistant strength properties, easy-slipping properties, mechanical properties, transparency, and gas barrier performance, and a film roll obtained by winding up this polyester film. A polyester film includes at least one layer mainly including a polyester resin containing a dicarboxylic acid component including furandicarboxylic acid as a main component and a glycol component including ethylene glycol as a main component; and the polyester film has a plane orientation coefficient ?P of not less than 0.005 and not more than 0.200, a thickness of not less than 1 ?m and not more than 300 ?m, a heat shrinkage rate of 3.2% or less in each of the MD direction and the TD direction at 150° C. for 30 minutes, and a layer containing at least one additive.Type: ApplicationFiled: March 7, 2017Publication date: April 11, 2019Applicants: TOYOBO CO., LTD., SYNVINA C.V.Inventors: Jun INAGAKI, Katsuya ITO, Yukihiro NUMATA, Shota HAYAKAWA, Jesper Gabriel VAN BERKEL
-
Patent number: 8232351Abstract: The inventive heat-shrinkable polystyrene film is high in shrinkability in the longitudinal direction that is its main shrinkage direction, is excellent in perforated line openability, and has high toughness. The heat-shrinkable polystyrene film is characterized by particular values with respect to hot-water heat shrinkage ratio in the longitudinal and width directions, right angle tear strength in the width direction, and breaking energies in the longitudinal and width directions.Type: GrantFiled: December 19, 2007Date of Patent: July 31, 2012Assignee: Toyo Boseki Kabushiki KaishaInventors: Yukinobu Mukoyama, Shota Hayakawa, Naonobu Oda, Masayuki Haruta, Katsuhiko Nose
-
Publication number: 20100093938Abstract: The inventive heat-shrinkable polystyrene film is high in shrinkability in the longitudinal direction that is its main shrinkage direction, is excellent in perforated line openability, and has high toughness. The heat-shrinkable polystyrene film is characterized by particular values with respect to hot-water heat shrinkage ratio in the longitudinal and width directions, right angle tear strength in the width direction, and breaking energies in the longitudinal and width directions.Type: ApplicationFiled: December 19, 2007Publication date: April 15, 2010Applicant: TOYO BOSEKI KABUSHIKI KAISHAInventors: Yukinobu Mukoyama, Shota Hayakawa, Naonobu Oda, Masayuki Haruta, Katsuhiko Nose