Patents by Inventor Katsuei Takahashi
Katsuei Takahashi 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: 20230003501Abstract: A bend sensor comprising a sensor section in which a polymer electrolyte film is sandwiched between a pair of electrode films, wherein each of the electrode films contains: a block copolymer (Z) having a polymer block (S) composed of a structural unit derived from an aromatic vinyl compound, and containing an ion-conducting group, and an amorphous polymer block (T) composed of a structural unit derived from an unsaturated aliphatic hydrocarbon; and a conducting particle; which block copolymer (Z) forms a lamellar structure, which bend sensor therefore allows generation of enhanced voltage between the electrode films when deformation of the sensor occurs as it follows movement of an object, is provided.Type: ApplicationFiled: September 6, 2022Publication date: January 5, 2023Applicant: NIPPON MEKTRON,LTD.Inventors: Mikiya MATSUURA, Katsuei TAKAHASHI, Naoki CHIKUGO, Kazuhiko MAEKAWA, Kenji SHACHI
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Publication number: 20200355486Abstract: A bend sensor comprising a sensor section in which a polymer electrolyte film is sandwiched between a pair of electrode films, wherein each of the electrode films contains: a block copolymer (Z) having a polymer block (S) composed of a structural unit derived from an aromatic vinyl compound, and containing an ion-conducting group, and an amorphous polymer block (T) composed of a structural unit derived from an unsaturated aliphatic hydrocarbon; and a conducting particle; which block copolymer (Z) forms a lamellar structure, which bend sensor therefore allows generation of enhanced voltage between the electrode films when deformation of the sensor occurs as it follows movement of an object, is provided.Type: ApplicationFiled: May 26, 2020Publication date: November 12, 2020Applicant: NIPPON NEKTRON, LTD.TInventors: Mikiya MATSUURA, Katsuei Takahashi, Naoki Chikugo, Kazuhiko Maekawa, Kenji Shachi
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Publication number: 20200139599Abstract: The present invention relates to a multilayered film having a high degree of freedom regarding selection of a material and a decoration method, which is not only excellent in handling properties and low-temperature adhesiveness to adherends of various materials but also applicable to decorative molding of every sort in a three-dimensional solid shape, and a method for producing the same.Type: ApplicationFiled: June 6, 2018Publication date: May 7, 2020Applicant: KURARAYCO., LTD.Inventors: Hiroshi KAWAKITA, Katsuei TAKAHASHI, Hiromitsu SASAKI
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Publication number: 20190217586Abstract: A multilayer film having a structure consisting of at least three layers: a polypropylene resin layer (X), an intermediate layer (Y) formed of a thermoplastic polymer composition containing 100 parts by mass of a thermoplastic elastomer (A), which is a block copolymer containing a polymer block (a1) formed of an aromatic vinyl compound unit and a polymer block (a2) formed of a conjugate diene compound unit or a hydrogenated product thereof, and 1 to 50 parts by mass a polypropylene resin (B) and a decorative layer (Z), in which the layers (X) (Y) and (Z) are stacked in this order, is excellent in preform moldability, successfully and firmly adhering to an adherend to decorate, small in warpage during thermal lamination and satisfactory in coextrusion film formability and weather resistance.Type: ApplicationFiled: May 18, 2017Publication date: July 18, 2019Applicant: KURARAY CO., LTD.Inventors: Hiroshi KAWAKITA, Katsuei TAKAHASHI
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Publication number: 20170336190Abstract: A bend sensor comprising a sensor section in which a polymer electrolyte film is sandwiched between a pair of electrode films, wherein each of the electrode films contains: a block copolymer (Z) having a polymer block (S) composed of a structural unit derived from an aromatic vinyl compound, and containing an ion-conducting group, and an amorphous polymer block (T) composed of a structural unit derived from an unsaturated aliphatic hydrocarbon; and a conducting particle; which block copolymer (Z) forms a lamellar structure, which bend sensor therefore allows generation of enhanced voltage between the electrode films when deformation of the sensor occurs as it follows movement of an object, is provided.Type: ApplicationFiled: November 2, 2015Publication date: November 23, 2017Applicant: NIPPON MEKTRON, LTD.Inventors: Mikiya MATSUURA, Katsuei TAKAHASHI, Naoki CHIKUGO, Kazuhiko MAEKAWA, Kenji SHACHI
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Publication number: 20170240739Abstract: The invention provides active energy ray curable compositions which exhibit good curability with active energy rays and which have a low viscosity to attain excellent application properties when applied as materials such as adhesives or coatings onto substrates and can give highly flexible cured products upon irradiation with active energy rays.Type: ApplicationFiled: July 17, 2015Publication date: August 24, 2017Applicant: KURARAY CO., LTD.Inventors: Seiya SHIMIZU, Hirotsugu IDA, Kazuhiko MAEKAWA, Kenji SHACHI, Katsuei TAKAHASHI
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Publication number: 20170058097Abstract: The present invention provides a composition to for production of electrode films contained in a sensor formed by sandwiching a polymer electrolyte film between two electrode films, which composition can increase the intensity of the electric signal that can be output by the sensor. The composition comprises: a diblock polymer (A) having a structure in which, in a diblock polymer (A0) having no ion-conducting group composed of a polymer block (S0) containing a structural unit derived from an aromatic vinyl compound having a number average molecular weight of not less than 20,000 and an amorphous polymer block (T) containing a structural unit derived from an unsaturated aliphatic hydrocarbon, an ion-conducting group(s) is/are introduced to the polymer block (S0); a hydrocarbon solvent (B); an organic solvent (C) having at least one functional group selected from the group consisting of hydroxyl, carbonyl, alkoxycarbonyl, and amide; and a conductive filler (D).Type: ApplicationFiled: March 16, 2015Publication date: March 2, 2017Applicant: NIPPON MEKTRON, LTD.Inventors: Katsuei TAKAHASHI, Naoki CHIKUGO, Mikiya MATSUURA, Kenji SHACHI, Kazuhiko MAEKAWA
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Patent number: 9035533Abstract: Paste which is prepared by any solid concentration and is excellent in terms of handleability, applicability, and storage stability; an electrolyte film or electrode film which is an even and highly flexible coating film formed in a desired thickness from the paste through a few repetitions of an application/drying step; and a polymer transducer which can be industrially and economically produced and shows excellent performance. The paste comprises: a solid polyelectrolyte (A) consisting of a block copolymer containing; a polymer block (a-1) which is represented by chemical formula (1) and a polymer block (a-2) which has substantially no ionic group and is rubbery at room temperature; an organic solvent (B) having a boiling point at 150° C. or higher; and non-dissociable particles (C) which are insoluble in the organic solvent (B) and have a major-axis length of 1-100 ?m and an aspect ratio of 5 or less.Type: GrantFiled: September 21, 2011Date of Patent: May 19, 2015Assignee: KURARAY CO., LTD.Inventors: Toshinori Kato, Katsuei Takahashi, Takashi Yamashita
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Publication number: 20130175899Abstract: Paste which is prepared by any solid concentration and is excellent in terms of handleability, applicability, and storage stability; an electrolyte film or electrode film which is an even and highly flexible coating film formed in a desired thickness from the paste through a few repetitions of an application/drying step; and a polymer transducer which can be industrially and economically produced and shows excellent performance. The paste comprises: a solid polyelectrolyte (A) consisting of a block copolymer containing; a polymer block (a-1) which is represented by chemical formula (1) and a polymer block (a-2) which has substantially no ionic group and is rubbery at room temperature; an organic solvent (B) having a boiling point at 150° C. or higher; and non-dissociable particles (C) which are insoluble in the organic solvent (B) and have a major-axis length of 1-100 ?m and an aspect ratio of 5 or less.Type: ApplicationFiled: September 21, 2011Publication date: July 11, 2013Applicant: KURARAY CO., LTD.Inventors: Toshinori Kato, Katsuei Takahashi, Takashi Yamashita
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Patent number: 6143826Abstract: A polymer blend comprising:(A) an acrylic resin;(B) a block copolymer consisting essentially of a polymer block of a polymerized aromatic vinyl compound and/or a polymer block of a polymerized methacrylate monoester and a polyolefin polymer block; and(C) a polymer miscible with the acrylic resin (A) and immiscible with the block copolymer (B),wherein the absolute value (.vertline..eta..sub.AC -.eta..sub.B .vertline.) of the difference between the refractive index (.eta..sub.AC) of the blend of the acrylic resin (A) and the polymer (C) and the refractive index (.eta..sub.B) of the block copolymer (B) is 0.01 or less. This polymer block has excellent transparency, softness and other properties.Type: GrantFiled: September 24, 1997Date of Patent: November 7, 2000Assignee: Kuraray Co., Ltd.Inventors: Takashi Ohnaga, Katsunori Takamoto, Yukihiro Fujieda, Katsuei Takahashi, Kenichi Hamada