Patents by Inventor Hideki Ishikawa
Hideki Ishikawa 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: 20240118234Abstract: A joint portion evaluating method for measuring and evaluating a joint state of a joint portion at which a first joint body and a second joint body are joined together, the joint portion evaluating method including the steps of: acquiring as a reference value a capacitance value of the joint portion in a reference measurement state serving as a reference for measurement conditions; changing a measurement state from the reference measurement state and acquiring as a measured value a capacitance value of the joint portion in a changed measurement state arising after the change of the measurement state; deriving as a measurement evaluation value a value obtained by referencing the measured value with the reference value; and performing an evaluation based on the derived measurement evaluation value.Type: ApplicationFiled: February 9, 2022Publication date: April 11, 2024Inventors: Mikio MURAOKA, Nobuyuki KAMIHARA, Kiyoka TAKAGI, Sota KAMO, Naomoto ISHIKAWA, Hideki HORIZONO, Toshiyuki TAKAYANAGI
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Patent number: 11955256Abstract: A signal transmission cable is provided with a conductor, an insulator covering around the conductor, a shield layer covering around the insulator, a sheath covering around the shield layer, and a plating base layer is provided between the insulator and the shield layer to cover around the insulator. The shield layer has a plating layer provided to cover the plating base layer to be in contact with an outer peripheral surface of the plating base layer. A surface roughness of an outer peripheral surface of the plating layer is less than a surface roughness of an inner peripheral surface of the plating layer.Type: GrantFiled: July 7, 2022Date of Patent: April 9, 2024Assignee: PROTERIAL, LTD.Inventors: Hideyuki Sagawa, Detian Huang, Takahiro Sugiyama, Hideki Nonen, Masashi Arai, Hiroshi Ishikawa, Xinweilong Li
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Patent number: 11931479Abstract: The present invention provides an artificial blood vessel that can achieve a balance between cell penetration efficiency and crush resistance and can regenerate a blood vessel at very high efficiency. Provided is an artificial blood vessel having a tubular shape, including: a foam containing a bioabsorbable material; a reinforcement A containing a bioabsorbable material; and a reinforcement B including threads containing a bioabsorbable material, the foam being reinforced with the reinforcements A and B, wherein the reinforcement A is a non-woven fabric, a film, or a weft-knitted, warp-knitted, or woven fabric made of knitted or woven fibers, the reinforcement B includes monofilament threads each having a cross-sectional diameter of 0.Type: GrantFiled: October 6, 2020Date of Patent: March 19, 2024Assignee: GUNZE LIMITEDInventors: Goki Matsumura, Hideki Sato, Mieko Ishikawa
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Patent number: 11929481Abstract: A method for manufacturing a rechargeable battery includes forming a mixture layer and an insulating layer on an electrode substrate having an edge extending in a specified direction so that an exposed portion where the electrode substrate is exposed extends between the edge and the insulating layer; pressing the mixture layer; and stretching an extension portion, located between the edge and the mixture layer, and the insulating layer in the specified direction. The stretching includes applying a stress greater than or equal to yield stress of the electrode substrate or greater than or equal to 0.2% proof stress of the electrode substrate and less than tensile strength of the electrode substrate to the extension portion, and applying a stress greater than or equal to yield stress of the insulating layer or greater than or equal to 0.2% proof stress of the insulating layer to the insulating layer.Type: GrantFiled: November 30, 2022Date of Patent: March 12, 2024Assignees: PRIMEARTH EV ENERGY CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Masakazu Umehara, Naomichi Ishikawa, Naoto Ooshiro, Yuuki Kudou, Hideki Hayashi, Hiroki Yamada, Naoya Kishimoto
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Publication number: 20240050152Abstract: The related-art medical treatment instrument had one or more of various problems such as aging degradation of a microwave radiation switch and coagulation unevenness. It has been confirmed that the configuration of the medical treatment instrument according to the present invention solves the one or more of the problems described above, and the present invention has been completed.Type: ApplicationFiled: March 4, 2021Publication date: February 15, 2024Applicants: NIKKISO CO., LTD., SANEY SEIKO INC.Inventors: Yoshihiko KINOSHITA, Hisahide OHDAIRA, Takuji ASANO, Masato TAKADA, Yasuhiro MANPUKU, Hideki ISHIKAWA, Yasunori ISHIZEKI, Mariho OGIWARA, Masahiro MATSUZAKI, Tomoki KUMAGAI
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Publication number: 20230203329Abstract: An inkjet ink which can sufficiently suppress photofading of printed images and has good lightfastness, and to provide a tablet including a printed part that is printed using the inkjet ink. The inkjet ink contains Blue No. 1 as a food dye, a disaccharide whose solubility in 100 ml of water at 20° C. is in the range of 20 g or more and 39 g or less as a fixing agent, and a solvent containing water and at least one of propylene glycol and ethanol.Type: ApplicationFiled: March 3, 2023Publication date: June 29, 2023Applicant: TOPPAN INC.Inventors: Seiya KOSEKI, Hideki ISHIKAWA, Yuichi HOSHINO, Masatoshi SAITO
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Publication number: 20230203328Abstract: An edible inkjet ink which can sufficiently suppress photodiscoloration or photofading of printed images and has good lightfastness, and to provide a tablet including a printed part that is printed using the edible inkjet ink. The edible inkjet ink contains Red No. 3, and hydroxy acid salt having two or more carboxyl groups.Type: ApplicationFiled: March 2, 2023Publication date: June 29, 2023Applicant: TOPPAN INC.Inventors: Seiya KOSEKI, Hideki ISHIKAWA, Yuichi HOSHINO, Masatoshi SAITO
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Patent number: 11614243Abstract: The present disclosure is to reduce a blowing resistance while securing a mechanical strength of a fan guard. An outdoor unit 100 includes a housing 10 in which an air discharge port X is formed on an upper wall 11, a blowing fan 20 disposed inside the housing 10 to correspond to the air discharge port X, and a fan guard 30 configured to cover the blowing fan 20, wherein the fan guard 30 includes a plurality of annular ribs 32 disposed to be spaced apart from each other in a radial direction of the blowing fan 20, and radial ribs 33 configured to connect a plurality of the annular ribs 32, and wherein the radial ribs 33 are formed such that free ends 3a thereof are bent in the same direction in a cross section orthogonal to a stretching direction and a pair of opposing piece portions 3b including each of the free ends 3a are in surface contact with each other.Type: GrantFiled: December 13, 2018Date of Patent: March 28, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Takeshi Takahara, Hideki Ishikawa, Suguru Nakagawa, JeiMin Choi, JaeSung Yoo, Joonho Yoon, DongSik Jin
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Publication number: 20230024428Abstract: An edible aqueous inkjet ink and a tablet. The edible aqueous inkjet ink contains a relatively large amount of volatile alcohol, which has improved or even excellent transfer durability and reduces ink ejection failure. The tablet includes a portion printed with the edible aqueous inkjet ink. The edible aqueous inkjet ink according to the present embodiment includes food coloring, ethanol, and a surfactant which has a hydrophilic-lipophilic balance value (HLB) in a range of 16 or more and 20 or less. The food coloring may preferably be sodium copper chlorophyllin. The surfactant may preferably be a sucrose fatty acid ester.Type: ApplicationFiled: October 4, 2022Publication date: January 26, 2023Applicant: TOPPAN INC.Inventors: Seiya KOSEKI, Masato FUKUSHIRO, Hideki ISHIKAWA, Yuichi HOSHINO, Masatoshi SAITO
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Publication number: 20220233451Abstract: An edible IJ ink that has good dispersion stability and printing resumability (intermission resumability), dries quickly, and provides good print quality (for example, prevents streaking), and to provide a tablet and a capsule including a printed part printed using the edible IJ ink, the edible IJ ink comprises water, titanium oxide, a dispersant, a wetting agent, and a water-soluble polysaccharide having a weight average molecular weight smaller than 10,000, and the dispersant includes at least one of sodium carboxymethyl cellulose, sodium alginate, and sodium carbonate.Type: ApplicationFiled: April 12, 2022Publication date: July 28, 2022Applicant: TOPPAN INC.Inventors: Masato FUKUSHIRO, Yuichi HOSHINO, Masatoshi SAITO, Hideki ISHIKAWA
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Publication number: 20210380828Abstract: An inkjet ink that shows only a small amount of discoloration over time and is capable of printing with a stable color, not only when printed on a surface of a print object having a relatively low ink permeability, but also when printed on a surface of a print object having a relatively high ink permeability, and provide a printed item including a printed area printed using the inkjet ink. A gray ink according to the present embodiment is an edible inkjet ink which contains at least a first colorant which is a food dye and a second colorant which is a food dye, and the first colorant is at least one of Red No. 3, Red No. 40, Red No. 104, Red No. 105, and Red No. 106.Type: ApplicationFiled: August 16, 2021Publication date: December 9, 2021Applicant: TOPPAN PRINTING CO.,LTD.Inventors: Yuichi HOSHINO, Masato FUKUSHIRO, Hideki ISHIKAWA, Masatoshi SAITO
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Publication number: 20210009835Abstract: A blue ink-jet ink that improves lightfastness of the same while maintaining its blue print color and a tablet including a part printed with the blue ink-jet ink. The blue ink-jet ink according to the present embodiment is an edible ink-jet that contains Brilliant Blue FCF (Blue No. 1 Colorant) and New Coccine (Red No. 102 Colorant) as colorants.Type: ApplicationFiled: September 29, 2020Publication date: January 14, 2021Applicant: TOPPAN PRINTING CO.,LTD.Inventors: Hideki ISHIKAWA, Yuichi HOSHINO, Masatoshi SAITO
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Publication number: 20200348032Abstract: The present disclosure is to reduce a blowing resistance while securing a mechanical strength of a fan guard. An outdoor unit 100 includes a housing 10 in which an air discharge port X is formed on an upper wall 11, a blowing fan 20 disposed inside the housing 10 to correspond to the air discharge port X, and a fan guard 30 configured to cover the blowing fan 20, wherein the fan guard 30 includes a plurality of annular ribs 32 disposed to be spaced apart from each other in a radial direction of the blowing fan 20, and radial ribs 33 configured to connect a plurality of the annular ribs 32, and wherein the radial ribs 33 are formed such that free ends 3a thereof are bent in the same direction in a cross section orthogonal to a stretching direction and a pair of opposing piece portions 3b including each of the free ends 3a are in surface contact with each other.Type: ApplicationFiled: December 13, 2018Publication date: November 5, 2020Inventors: Takeshi TAKAHARA, Hideki ISHIKAWA, Suguru NAKAGAWA, JeiMin CHOI, JaeSung YOO, Joonho YOON, DongSik JIN
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Patent number: 10665872Abstract: A fuel cell stack including a plurality of electricity generation units fastened by means of a plurality of fastening members. Each electricity generation unit includes a single cell, and a sealing member sandwiched between two other members thereby sealing one of the anode chamber and the cathode chamber. The surface of the sealing member included in at least one electricity generation units, the surface facing either of the two other members, has a surface roughness Ra of 3.0 ?m or less.Type: GrantFiled: June 7, 2016Date of Patent: May 26, 2020Assignee: NGK SPARK PLUG CO., LTD.Inventors: Nobuyuki Hotta, Hideki Ishikawa, Shunta Ohashi, Yasuki Izutsu
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Patent number: 10637075Abstract: A fuel cell stack including a plurality of electricity generation units fastened by means of a plurality of fastening members. Each electricity generation unit includes a single cell, and a sealing member sandwiched between two other members thereby sealing one of the anode chamber and the cathode chamber. The surface of the sealing member included in at least one electricity generation units, the surface facing either of the two other members, has a surface roughness Ra of 3.0 ?m or less.Type: GrantFiled: June 7, 2016Date of Patent: April 28, 2020Assignee: NGK SPARK PLUG CO., LTD.Inventors: Nobuyuki Hotta, Hideki Ishikawa, Shunta Ohashi, Yasuki Izutsu
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Patent number: 10224555Abstract: The fuel cell includes a fuel cell stack in which a plurality of planar power generation cells are stacked in a thickness direction thereof. The fuel cell also includes a heat exchanger provided between the two adjacent power generation cells in the stacking direction and in contact with the power generation cells, and including an internal first flow path that passes the oxidant gas or fuel gas supplied from outside. The fuel cell also includes a second flow path connected to an outlet side of the first flow path of the heat exchanger and to the cathode side or the anode side of each of the power generation cells, and supplying the oxidant gas or fuel gas that has passed through the first flow path to the cathode side or anode side of each of the power generation cells on both sides in the stacking direction of the heat exchanger.Type: GrantFiled: October 31, 2012Date of Patent: March 5, 2019Assignee: NGK SPARK PLUG CO., LTD.Inventors: Hideki Ishikawa, Hideki Uematsu, Hiroya Ishikawa, Takeshi Ohno, Takafumi Shichida, Shunsuke Tsuga
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Patent number: 10224553Abstract: A fuel cell according to one mode includes a plurality of stacked cell units, each cell unit including at least an electrically conductive interconnector having a front surface and a back surface; a pair of connection members which are electrically connected to the interconnector; a single cell which includes an anode, a cathode, and an electrolyte therebetween and which is electrically connected to the connection members; and a separator having an opening which is connected to an outer peripheral portion of the single cell, the cell units being clamped together in a stacking direction, wherein the connection member on an anode side or a cathode side of the single cell of at least one cell unit of the cell units has a thickness different from that of the connection member on the anode side or the cathode side of the single cell of another cell unit.Type: GrantFiled: February 5, 2014Date of Patent: March 5, 2019Assignee: NGK SPARK PLUG CO., LTD.Inventors: Kenji Miyabata, Hideki Ishikawa
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Publication number: 20180159148Abstract: A fuel cell stack including a plurality of electricity generation units fastened by means of a plurality of fastening members. Each electricity generation unit includes a single cell, and a sealing member sandwiched between two other members thereby sealing one of the anode chamber and the cathode chamber. The surface of the sealing member included in at least one electricity generation units, the surface facing either of the two other members, has a surface roughness Ra of 3.0 ?m or less.Type: ApplicationFiled: June 7, 2016Publication date: June 7, 2018Applicant: NGK SPARK PLUG CO., LTD.Inventors: Nobuyuki HOTTA, Hideki ISHIKAWA, Shunta OHASHI, Yasuki IZUTSU
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Patent number: 9761888Abstract: A fuel cell includes a main body which is formed by stacking a cathode layer, an electrolyte layer, and an anode layer, in which the surface of one of the cathode and anode layers serves as a first main surface, and the surface of the other layer serves as a second main surface; a first current collector in contact with the first main surface; and a second current collector in contact with the second main surface. As viewed in a thickness direction, at least a portion of the boundary of a second region of the second current collector corresponding to the second main surface is located within a first region of the first current collector corresponding to the first main surface, and the remaining portion is located within the first region or on the boundary of the first region.Type: GrantFiled: January 22, 2013Date of Patent: September 12, 2017Assignee: NGK SPARK PLUG CO., LTD.Inventors: Hiroaki Yagi, Nobuyuki Hotta, Hideki Ishikawa, Hideki Uematsu, Hiroya Ishikawa
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Publication number: 20150372318Abstract: A fuel cell according to one mode includes a plurality of stacked cell units, each cell unit including at least an electrically conductive interconnector having a front surface and a back surface; a connection member which is electrically connected to the interconnector; a single cell which includes an anode, an electrolyte, and a cathode, and which is electrically connected to the connection member; and a separator having an opening which is connected to an outer peripheral portion of the single cell, the cell units being clamped together in a stacking direction, wherein the connection member of at least one cell unit of the cell units has a thickness different from that of the connection member of another cell unit.Type: ApplicationFiled: February 5, 2014Publication date: December 24, 2015Applicant: NGK SPARK PLUG CO., LTD.Inventors: Kenji MIYABATA, Hideki ISHIKAWA