Patents by Inventor Takayuki Ishihara
Takayuki Ishihara 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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Publication number: 20240351351Abstract: A heating device includes a heater and a cover to cover the heater. In the heating device, the cover includes a first cover disposed in a first direction of the heater and a second cover disposed in the first direction, and the second cover is adjacent to the first cover. In the heating device, the first cover and the second cover have a gap in between, and the gap has a length greater than an amount of thermal deformation of either one of the first cover or the second cover or a total amount of thermal deformation of the first cover and the second cover.Type: ApplicationFiled: April 19, 2024Publication date: October 24, 2024Applicant: Ricoh Company Ltd.Inventors: Takayuki SEKI, Kenji NOZAWA, Kohki ASADA, Genichiroh KAWAMICHI, Takehiro NAKAMURA, Hiroki ISHIHARA
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Patent number: 11738538Abstract: A multilayered structure that includes an olefin resin layer and a gas-barrier layer. An adhesive layer is provided adjoining the olefin resin layer and the gas-barrier layer, the adhesive layer consisting of an acid-modified olefin resin. The acid-modified olefin resin has methyl branches in a number of 10 to 200 per 1000 carbon atoms on a main chain thereof, and has not more than 50 branches that are larger than the methyl groups.Type: GrantFiled: July 1, 2021Date of Patent: August 29, 2023Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Shinya Seito, Takayuki Ishihara, Yosuke Akutsu
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Publication number: 20230124370Abstract: A high-pressure pump includes a valve member that allows or blocks a flow of fuel to a pressure chamber. A needle is reciprocable inside a cylinder member. One end of the needle facing the pressure chamber is provided with the valve member. Another end of the needle is provided with a movable core that faces a fixed core in an axial direction of the needle. The high-pressure pump includes a coil assembly that includes a coil, a terminal connected to the coil, and first and second yokes that form a magnetic circuit on both sides of the coil in the axial direction. The coil assembly is between a first connection portion and a second connection portion. The first connection portion connects the coil assembly and the fixed core. The second connection portion connects the coil assembly and the cylinder member.Type: ApplicationFiled: December 21, 2022Publication date: April 20, 2023Inventors: Takayuki ISHIHARA, Tatsurou KOGA, Yasuhiro SAWADA
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Publication number: 20220332930Abstract: A propylene-based resin composition including an impact polypropylene component (A), and a linear low-density polyethylene component (B) containing methylpentene as a comonomer, the composition being characterized by containing a xylene-soluble fraction in an amount of 8 mass % or higher, and having an intrinsic viscosity measured for the xylene-soluble fraction is in a range from 1.0 to 2.9 dL/g.Type: ApplicationFiled: September 3, 2020Publication date: October 20, 2022Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Seishi YOSHIKAWA, Koki SHIBATA, Atsushi EBATA, Takayuki ISHIHARA
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Patent number: 11370207Abstract: A packing material for surfactant-containing products includes a solid surface layer (3) that contains a non-aromatic silicone type polymer and a silicone oil layer (1) held on the solid surface layer (3), wherein the non-aromatic silicone type polymer is at least the one kind of polymer selected from a silicone resin, a silicone-modified olefin resin, silicone-modified polysaccharides and a silicone-modified acrylic resin.Type: GrantFiled: January 16, 2019Date of Patent: June 28, 2022Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Takuo Murakami, Shinya Seito, Takayuki Ishihara, Kousuke Ueda, Saya Sugioka
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Patent number: 11365038Abstract: A packaging material having a contact surface formed of a thermoplastic resin that is adapted for contacting a viscous content. The contact surface is a mirror surface having a roughness Sa of not more than 100 nm and a water contact angle of not less than 60° C. at 20° C.Type: GrantFiled: April 19, 2018Date of Patent: June 21, 2022Assignee: TOYO SEIKAN GROUP HOLDINGS. LTD.Inventors: Shinya Seito, Takayuki Ishihara, Saya Sugioka, Kousuke Ueda, Kota Okamoto
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Patent number: 11298926Abstract: A gas-barrier multilayered container having (i) a layer of a propylene type polymer which chiefly includes a homopolypropylene having an isotactic index of not less than 93%, and (ii) a layer of an ethylene-vinyl alcohol copolymer having not less than two crystal melting peak temperatures. Also disclosed is a lustrous and shock-resistant multilayered container having at least (i) an outermost layer of a propylene type polymer A which chiefly includes a homopolypropylene having a melt flow rate of 2.0 to 10.0 g/10 min., and (ii) an inner layer of a propylene type polymer B which chiefly includes a homopolypropylene having a melt flow rate of not more than 1.0 g/10 min.Type: GrantFiled: March 14, 2018Date of Patent: April 12, 2022Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Yuuki Tashiro, Takayuki Ishihara, Azusa Otsuki
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Publication number: 20210323272Abstract: A multilayered structure that includes an olefin resin layer and a gas-barrier layer. An adhesive layer is provided adjoining the olefin resin layer and the gas-barrier layer, the adhesive layer consisting of an acid-modified olefin resin. The acid-modified olefin resin has methyl branches in a number of 10 to 200 per 1000 carbon atoms on a main chain thereof, and has not more than 50 branches that are larger than the methyl groups.Type: ApplicationFiled: July 1, 2021Publication date: October 21, 2021Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Shinya SEITO, Takayuki Ishihara, Yosuke Akutsu
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Patent number: 11148402Abstract: A multilayer container including: an outermost layer (1) containing a propylene-based polymer A containing homopolypropylene as a main component having a melt flow rate in a range of 2.0 to 10.0 g/10 min; an inner layer (2) containing 50 to 99% by weight of a propylene-based polymer B containing homopolypropylene as a main component having a melt flow rate of not more than 5.0 g/10 min and an isotactic index of not less than 93%, and 1 to 50% by weight of an ethylene-?-olefin copolymer C; and a barrier layer (4) occupying 5 to 20% by weight of the whole container. The ratio (L/D) of container height (L) to diameter (D) is not less than 0.5, and a volume shrinkage based on volume measured before and after heat sterilization at 121° C. for 30 minutes is not more than 5%.Type: GrantFiled: August 30, 2019Date of Patent: October 19, 2021Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Yuuki Tashiro, Takayuki Ishihara, Azusa Otsuki, Kenji Ichikawa, Toshiki Yamada, Seishi Yoshikawa, Koki Shibata
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Publication number: 20210300650Abstract: A packaging material having a contact surface formed of a thermoplastic resin that is adapted for contacting a viscous content. The contact surface is a mirror surface having a roughness Sa of not more than 100 nm and a water contact angle of not less than 60° C. at 20° C.Type: ApplicationFiled: April 19, 2018Publication date: September 30, 2021Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Shinya SEITO, Takayuki ISHIHARA, Saya SUGIOKA, Kousuke UEDA, Kota OKAMOTO
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Patent number: 11084248Abstract: An adhesive for polyolefin used for an extrusion-formed multilayered structure that includes, at least, a propylene type resin layer and an ethylene type resin layer, the adhesive for polyolefin comprising an olefin resin that has methyl branches at a ratio of 10 to 200 per 1000 carbon atoms on a main chain thereof.Type: GrantFiled: July 24, 2017Date of Patent: August 10, 2021Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Shinya Seito, Takayuki Ishihara, Yosuke Akutsu
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Publication number: 20210197538Abstract: A multilayer container including: an outermost layer (1) containing a propylene-based polymer A containing homopolypropylene as a main component having a melt flow rate in a range of 2.0 to 10.0 g/10 min; an inner layer (2) containing 50 to 99% by weight of a propylene-based polymer B containing homopolypropylene as a main component having a melt flow rate of not more than 5.0 g/10 min and an isotactic index of not less than 93%, and 1 to 50% by weight of an ethylene-?-olefin copolymer C; and a barrier layer (4) occupying 5 to 20% by weight of the whole container. The ratio (L/D) of container height (L) to diameter (D) is not less than 0.5, and a volume shrinkage based on volume measured before and after heat sterilization at 121° C. for 30 minutes is not more than 5%.Type: ApplicationFiled: August 30, 2019Publication date: July 1, 2021Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Yuuki TASHIRO, Takayuki ISHIHARA, Azusa OTSUKI, Kenji ICHIKAWA, Toshiki YAMADA, Seishi YOSHIKAWA, Kouki SHIBATA
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Publication number: 20200346447Abstract: A packing material for surfactant-containing products includes a solid surface layer (3) that contains a non-aromatic silicone type polymer and a silicone oil layer (1) held on the solid surface layer (3), wherein the non-aromatic silicone type polymer is at least the one kind of polymer selected from a silicone resin, a silicone-modified olefin resin, silicone-modified polysaccharides and a silicone-modified acrylic resin.Type: ApplicationFiled: January 16, 2019Publication date: November 5, 2020Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Takuo MURAKAMI, Shinya SEITO, Takayuki ISHIHARA, Kousuke UEDA, Saya SUGIOKA
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Publication number: 20200239660Abstract: An article represented by a container that is formed of a thermoplastic resin blended with a metal or a metal compound that can react with a corrosive gas or a volatile sulfur compound and give a color. The thermoplastic resin includes at least one metal selected from three metals of Zn, Sn and Mn or one metal compound thereof, and a metal or a metal compound that is not any of these three metals and that can react with the corrosive gas or the volatile sulfur compound and give a color. The metal selected from the three metals or the metal compound functions as a scavenger for the corrosive gas or the volatile sulfur compound.Type: ApplicationFiled: July 25, 2018Publication date: July 30, 2020Applicants: TOYO SEIKAN GROUP HOLDINGS, LTD., TOYO SEIKAN CO., LTD.Inventors: Kousuke UEDA, Yuuki TASHIRO, Takayuki ISHIHARA, Azusa OTSUKI, Toshihiro TANABE, Masashi ATSUGI, Yuusuke ITOU, Gou SAITOU
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Publication number: 20190291384Abstract: An adhesive for polyolefin used for an extrusion-formed multilayered structure that includes, at least, a propylene type resin layer and an ethylene type resin layer, the adhesive for polyolefin comprising an olefin resin that has methyl branches at a ratio of 10 to 200 per 1000 carbon atoms on a main chain thereof.Type: ApplicationFiled: July 24, 2017Publication date: September 26, 2019Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Shinya SEITO, Takayuki ISHIHARA, Yosuke AKUTSU
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Patent number: 10351680Abstract: A formed body having a layer of a resin composition constituted by a thermoplastic resin and a barrier resin, wherein the layer of the resin composition forms, in a matrix of the thermoplastic resin, a layer structure in which the barrier resin is dispersed in the form of a lamellar dispersion phase stretching in one direction; and the ratio (a)/(b) of an aspect ratio (a) of the dispersion phase of the barrier resin near the surfaces of the layer and an aspect ratio (b) of the dispersion phase of the barrier resin in the central portion in the direction of thickness of the layer, is not more than 2.0. The formed body has the layer of the resin composition constituted by the thermoplastic resin and the barrier resin, and has a dispersion structure capable of exhibiting excellent barrier property despite of the single layer.Type: GrantFiled: April 3, 2014Date of Patent: July 16, 2019Assignees: NIPPON CLOSURES CO., LTD., TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Yuhei Yonekawa, Daisuke Tsuchimoto, Hiroaki Kikuchi, Takayuki Ishihara
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Patent number: 10336529Abstract: The present invention is a polyolefin packing container having on the inner surface thereof an olefin resin layer that contains an ethylenebis fatty acid amide, wherein the ethylenebis fatty acid amide is bleeding in the inner surface in an amount of 12.5 to 200 mg/m2. Without using unstable compound such as organic peroxide, the packing container, even when hot-filled with a content, assures very improved content fall-down performance when inverted.Type: GrantFiled: April 3, 2012Date of Patent: July 2, 2019Assignee: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Yosuke Akutsu, Takayuki Ishihara, Hiroko Hosono, Keiko Narita
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Patent number: 10213991Abstract: A multilayered container includes at least a polyolefin inner layer; an adhesive layer; a gas-barrier layer; an oxygen-absorbing layer; a gas-barrier layer; an adhesive layer; a polyolefin outer layer, and having at least a body portion and a bottom portion, wherein the gas-barrier layers include an ethylene-vinyl alcohol copolymer, the oxygen-absorbing layer includes an oxygen-absorbing resin composition that contains the ethylene-vinyl alcohol copolymer and an oxidizing organic component, an adsorbing agent is contained on the side inside of said gas-barrier layer, the thickness of the multilayered container at the thinnest portion is not more than 430 ?m, and the amount of oxygen absorbed after the heat-sterilization is not less than 23 cc per gram of the oxygen-absorbing resin composition. Despite of this decreased thickness, the multilayered container maintains excellent oxygen-barrier property and property for retaining flavor of the content even when it is subjected to the retort sterilization.Type: GrantFiled: September 27, 2013Date of Patent: February 26, 2019Assignee: TOKYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Takayuki Ishihara, Yuuki Tashiro, Kota Mori, Go Saito
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Publication number: 20180141733Abstract: A multilayered container obtained by heat-forming a multilayered sheet or a multilayered preform that includes inner and outer layers of an ethylene terephthalate type polyester resin, and at least one intermediate layer of at least a lowly crystalline ethylene terephthalate type polyester resin and a gas-barrier aromatic polyamide resin, wherein a difference of refractive index (?RI) between the lowly crystalline ethylene terephthalate type polyester resin and the gas-barrier aromatic polyamide resin represented by the following formula (1), ?RI=|RIE?RIA|??(1) wherein RIE and RIA are refractive indexes of injection-formed plates made, respectively, from the lowly crystalline ethylene terephthalate type polyester resin and the gas-barrier aromatic polyamide resin after they have been monoaxially stretched into 3 times, is not more than 0.03, and a haze in a side surface of the container is not more than 5%.Type: ApplicationFiled: June 30, 2016Publication date: May 24, 2018Applicant: TOYO SEIKAN GROUP HOLDINGS, LTD.Inventors: Yukiko HIRAYAMA, Toshiki YAMADA, Takayuki ISHIHARA, Yuuki TASHIRO
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Patent number: 9956716Abstract: Disclosed is a multilayered container having an intermediate layer comprising an oxygen-absorbable barrier resin composition showing excellent processability upon molding. Specifically disclosed is a multilayered container which comprises an inner layer and an outer layer each comprising an olefin resin and an intermediate layer provided between the inner layer and the outer layer and comprising an oxygen-absorbable barrier resin composition, wherein the oxygen-absorbable barrier resin composition has a cooling crystallization peak temperature lower than that of a base resin (an oxygen barrier resin) which constitutes the oxygen-absorbable barrier resin composition, the multilayered container is formed by a solid-phase-forming process at a temperature lower by 1 to 15° C. than the cooling crystallization starting temperature (Tc2) of the base resin, and the body of the container shows a calorific value of less than 0.5 J/g by the isothermal crystallization after heating from 30° C. to 130° C.Type: GrantFiled: October 24, 2014Date of Patent: May 1, 2018Assignee: TOYO SEIKAN KAISHA, LTD.Inventors: Takayuki Ishihara, Atsushi Kikuchi, Hiroaki Gotou, Shinji Tanaka, Kengo Matsumoto