Patents by Inventor Hirofumi Takeuchi
Hirofumi Takeuchi 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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Patent number: 11634532Abstract: Provided is a material having an excellent sound-absorbing performance which can be easily applied to the desired area at the operation site and which can effectively prevent sound leakage. The material includes an open-cell soft polyurethane foam prepared from a 2-part reactive urethane resin composition prepared from a polyisocyanate component and a polyol-containing component, wherein the polyol-containing component comprises a polyol component, catalysts, a foam stabilizer, an amine compound having primary or secondary amino groups, and carbon dioxide; wherein an average sound absorption coefficient of said polyurethane foam is 30% or more, measured in accordance with JIS A 1405-2:2007 for 63 hertz to 5000 hertz; and the length of liquid-dripping is within 300 mm.Type: GrantFiled: April 29, 2022Date of Patent: April 25, 2023Assignees: Mazda Motor Corporation, Nihon Tokushu Toryo Co., Ltd., Covestro Deutschland AGInventors: Shinsuke Kataoka, Eiichi Kawase, Masanori Takasaki, Yuji Watanabe, Hirofumi Takeuchi, Shinichiro Sado, Hiroaki Ido, Shinji Nishikawa, Saeko Kinami, Kazuki Murata
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Publication number: 20220251284Abstract: Provided is a material having an excellent sound-absorbing performance which can be easily applied to the desired area at the operation site and which can effectively prevent sound leakage. The material includes an open-cell soft polyurethane foam prepared from a 2-part reactive urethane resin composition prepared from a polyisocyanate component and a polyol-containing component, wherein the polyol-containing component comprises a polyol component, catalysts, a foam stabilizer, an amine compound having primary or secondary amino groups, and carbon dioxide; wherein an average sound absorption coefficient of said polyurethane foam is 30% or more, measured in accordance with JIS A 1405-2:2007 for 63 hertz to 5000 hertz; and the length of liquid-dripping is within 300 mm.Type: ApplicationFiled: April 29, 2022Publication date: August 11, 2022Inventors: Shinsuke Kataoka, Eiichi Kawase, Masanori Takasaki, Yuji Watanabe, Hirofumi Takeuchi, Shinichiro Sado, Hiroaki Ido, Shinji Nishikawa, Saeko Kinami, Kazuki Murata
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Patent number: 11395800Abstract: An object of the present invention is to provide a pharmaceutical tablet having high tensile strength and excellent in immediate disintegrability. The pharmaceutical tablet of the present invention is obtained by a direct compression method, and contains an active ingredient, a polyvinyl alcohol resin, and a plasticizer other than water, wherein a content of the plasticizer is 1 to 8 parts by weight with respect to 100 parts by weight of the polyvinyl alcohol resin.Type: GrantFiled: February 7, 2020Date of Patent: July 26, 2022Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Chizuko Furo, Ayaka Kobayashi, Hirofumi Takeuchi, Yoshiko Takeuchi
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Patent number: 10790256Abstract: A wiring board includes an insulator layer, and a connection terminal having a first surface and a side surface intersecting the first surface. The first surface is exposed from the insulator layer, and the insulator layer includes a gap formed along at least a part of the side surface.Type: GrantFiled: March 15, 2019Date of Patent: September 29, 2020Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.Inventor: Hirofumi Takeuchi
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Patent number: 10751426Abstract: The present invention provides a composition containing a single-stranded nucleic acid molecule consisting of a nucleotide sequence shown by 5?-AGCAGAGUACACACAGCAUAUACC-P-GGUAUAUGCUGUGUGUACUCUGCUUC-P-G-3? (SEQ ID NO: 1) (in the sequence, P is a proline derivative linker represented by (I) in the DESCRIPTION) and a buffer, and having the following features: (a) being in the form of a solution at ambient temperature; and (b) a content of the nucleic acid molecule after storage at 25° C., relative humidity 60% for 4 weeks, of not less than 80% relative to the content at the time of start of the storage.Type: GrantFiled: October 28, 2016Date of Patent: August 25, 2020Assignees: BONAC CORPORATIONInventors: Taimu Yamada, Hidekazu Toyofuku, Kohei Tahara, Risako Onodera, Hirofumi Takeuchi
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Publication number: 20200170955Abstract: An object of the present invention is to provide a pharmaceutical tablet having high tensile strength and excellent in immediate disintegrability. The pharmaceutical tablet of the present invention is obtained by a direct compression method, and contains an active ingredient, a polyvinyl alcohol resin, and a plasticizer other than water, wherein a content of the plasticizer is 1 to 8 parts by weight with respect to 100 parts by weight of the polyvinyl alcohol resin.Type: ApplicationFiled: February 7, 2020Publication date: June 4, 2020Applicant: Mitsubishi Chemical CorporationInventors: Chizuko FURO, Ayaka KOBAYASHI, Hirofumi TAKEUCHI, Yoshiko TAKEUCHI
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Publication number: 20190312003Abstract: A wiring board includes an insulator layer, and a connection terminal having a first surface and a side surface intersecting the first surface. The first surface is exposed from the insulator layer, and the insulator layer includes a gap formed along at least a part of the side surface.Type: ApplicationFiled: March 15, 2019Publication date: October 10, 2019Inventor: Hirofumi TAKEUCHI
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Publication number: 20190300643Abstract: Provided is a material having an excellent sound-absorbing performance which can be easily applied to the desired area at the operation site and which can effectively prevent sound leakage The material includes a 2-part reactive urethane resin composition prepared from a polyisocyanate component and a polyol-containing component, wherein the polyol-containing component comprises a polyol component (a), catalysts (b), a foam stabilizer (c), an amine compound having primary or secondary amino groups (d), and carbon dioxide (e). The 2-part reactive urethane resin composition, when cured, is an open-cell soft polyurethane foam, wherein the average sound absorption coefficient of said polyurethane foam is 30% or more, measured in accordance with JIS A 1405-2:2007 for 63 hertz to 5000 hertz.Type: ApplicationFiled: March 28, 2019Publication date: October 3, 2019Inventors: Shinsuke Kataoka, Eiichi Kawase, Masanori Takasaki, Yuji Watanabe, Hirofumi Takeuchi, Shinichiro Sado, Hiroaki Ido, Shinji Nishikawa, Saeko Kinami, Kazuki Murata
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Patent number: 10245238Abstract: Provided is a composition for oral intake, which exhibits improved oral absorbability of curcumin and/or an analog thereof and can be produced conveniently and inexpensively. A complex of curcumin and/or an analog thereof and a water-soluble cellulose derivative is disclosed.Type: GrantFiled: May 14, 2015Date of Patent: April 2, 2019Assignees: THERAVALUES CORPORATIONInventors: Hirofumi Takeuchi, Kohei Tahara, Atsushi Imaizumi, Tsukasa Takahashi, Takato Matsui, Hitomi Ozawa
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Publication number: 20180339064Abstract: The present invention provides a composition containing a single-stranded nucleic acid molecule consisting of a nucleotide sequence shown by 5?-AGCAGAGUACACACAGCAUAUACC-P-GGUAUAUGCUGUGUGUACUCUGCUUC-P-G-3? (SEQ ID NO: 1) (in the sequence, P is a proline derivative linker represented by (I) in the DESCRIPTION) and a buffer, and having the following features: (a) being in the form of a solution at ambient temperature; and (b) a content of the nucleic acid molecule after storage at 25° C., relative humidity 60% for 4 weeks, of not less than 80% relative to the content at the time of start of the storage.Type: ApplicationFiled: October 28, 2016Publication date: November 29, 2018Applicants: BONAC CORPORATIONInventors: Taimu YAMADA, Hidekazu TOYOFUKU, Kohei TAHARA, Risako ONODERA, Hirofumi TAKEUCHI
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Publication number: 20180099004Abstract: The present invention provides a single stranded nucleic acid molecule represented by the following formula (I): (I) (SEQ?ID?NO:?1) 5?-uagcaccauuugaaaucaguguucc-P- ggaacacugauuucaaauggugcuauu-3? wherein —P— shows a proline derivative linker represented by the following formula (Ia): an agent for treating corneal diseases such as ocular surface disorders and the like, comprising the single stranded nucleic acid molecule as an active ingredient.Type: ApplicationFiled: April 15, 2016Publication date: April 12, 2018Applicants: THE UNIVERSITY OF TOKYO, TOKYO MEDICAL UNIVERSITY, BONAC CORPORATIONInventors: Hirofumi TAKEUCHI, Tomohiko USUI, Masahiko KURODA, Masakatsu TAKANASHI, Shinichiro OHNO, Hidekazu TOYOFUKU, Kohei TAHARA, Risako ONODERA
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Patent number: 9750694Abstract: An object of the present invention is to provide a liposome which is excellent in intrapulmonary delivery controllability of drugs or genes and is suited for pulmonary administration. By modifying the surface of a liposome using a terminal hydrophobized polyvinyl alcohol and/or chitosan, retention of drugs or genes encapsulated in the liposome on the surface of lung tissue and transfer of drugs or genes into lung tissue can be properly modulated, and thus in vivo behavior can be controlled.Type: GrantFiled: December 17, 2013Date of Patent: September 5, 2017Assignees: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hirofumi Takeuchi, Koji Nakano, Hidekazu Toyobuku
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Publication number: 20170239194Abstract: Provided is a composition for oral intake, which exhibits improved oral absorbability of curcumin and/or an analog thereof and can be produced conveniently and inexpensively. A complex of curcumin and/or an analog thereof and a water-soluble cellulose derivative is disclosed.Type: ApplicationFiled: May 14, 2015Publication date: August 24, 2017Applicants: THERAVALUES CORPORATIONInventors: Hirofumi TAKEUCHI, Kohei TAHARA, Atsushi IMAIZUMI, Tsukasa TAKAHASHI, Takato MATSUI, Hitomi OZAWA
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Patent number: 9315828Abstract: An object of the present invention is to provide a carrier composition for nucleic acid delivery, which can efficiently deliver a nucleic acid into cells when a nucleic acid such as siRNA is administered to animal-derived cells or animals, and also has low toxicity and high safety, and a composition for nucleic acid delivery containing the carrier composition and nucleic acid. A carrier for nucleic acid delivery is prepared by using (A) a diacylphosphatidylcholine, (B) at least one member selected from the group consisting of cholesterol and derivatives thereof, and (C) an aliphatic primary amine. Also, a composition for nucleic acid delivery is prepared by mixing the carrier for nucleic acid delivery with a nucleic acid.Type: GrantFiled: March 26, 2008Date of Patent: April 19, 2016Assignees: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hirofumi Takeuchi, Yasuyuki Hira, Koji Nakano, Hidekazu Toyobuku
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Patent number: 9252096Abstract: A wiring substrate includes a core substrate including a first wiring layer, an interlayer insulating layer formed by a resin layer containing fiber reinforcement material formed on the core substrate and a primer layer formed on the resin layer containing fiber reinforcement material, and the interlayer insulating layer having a via hole reaching the first wiring layer, and a second wiring layer formed on the primer layer, and connected to the first wiring layer through the via hole.Type: GrantFiled: June 14, 2013Date of Patent: February 2, 2016Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.Inventors: Yoshiaki Hondo, Hirofumi Takeuchi
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Publication number: 20150272889Abstract: It is an object to provide an orally disintegrating tablet produced by dry granulation and compression, having a hardness of 40 N or more, a disintegration time of 30 seconds or shorter, a friability of 0.1% or less, and an excellent feeling upon ingestion, that is capable of disintegrating with a small amount of water, having a rapid disintegration time, and being maintained stably in a tablet form, which could not been achieved by conventional procedures. Disclosed is an orally disintegrating tablet produced by dry granulation which contains a medicinal ingredient with silica, and sugar alcohol or/and sugar.Type: ApplicationFiled: April 6, 2015Publication date: October 1, 2015Inventors: Yohei Hoashi, Hirofumi Takeuchi
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Patent number: 9114070Abstract: The invention provides a liposome for delivery to the posterior segment of the eye, comprising (A) a phospholipid, (B) a charged substance, and/or (C) a membrane-reinforcing substance; the liposome having a rigidity that provides the liposome with cell membrane permeability, and having a mean particle diameter of 1 ?m or less; and a pharmaceutical composition for a disease in the posterior segment of an eye, comprising a drug encapsulated in the liposome. The liposome is delivered to the posterior segment of the eye by instillation, and is non-cytotoxic; and the pharmaceutical composition for a disease in the posterior segment of the eye comprises the liposome.Type: GrantFiled: February 26, 2009Date of Patent: August 25, 2015Assignee: NAGOYA INDUSTRIAL SCIENCE RESEARCH INSTITUTEInventors: Hideaki Hara, Hirofumi Takeuchi
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Patent number: 9090714Abstract: Provided is a method of producing hydroxyalkylcellulose microparticles, the method including generating a pulse shock wave, and supplying a hydroxyalkylcellulose aqueous solution to the pulse shock wave generation region, thereby crushing and drying the hydroxyalkylcellulose aqueous solution. According to the production method, hydroxyalkylcellulose microparticles having a volume-average particle size of at least 0.1 ?m but less than 15 ?m are obtained. By mixing the hydroxyalkylcellulose microparticles with a principal agent and subjecting the resulting mixture to a tablet compression, a solid preparation having excellent tensile strength and disintegration properties can be obtained.Type: GrantFiled: September 9, 2013Date of Patent: July 28, 2015Assignees: Nippon Soda Co., Ltd.Inventors: Hirofumi Takeuchi, Satoru Abe, Takeshi Shimotori, Gentaro Nemoto
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Patent number: 9090912Abstract: This invention relates to a nucleic acid complex with low toxicity and high safety that can maintain a nucleic acid molecule capable of RNA interference or translation inhibition, such as siRNA or the like, in a cell; and a nucleic acid delivery composition that can efficiently deliver the nucleic acid complex into a cell. A nucleic acid complex with low toxicity and high safety that can maintain a nucleic acid in a cell can be obtained by forming a complex using a nucleic acid molecule capable of RNA interference or translation inhibition and a cycloamirose. Further, by using a carrier comprising (A) a diacylphosphatidylcholine, (B) cholesterol and/or a derivative thereof, and (C) an aliphatic primary amine as a nucleic acid delivery carrier to introduce the nucleic acid complex into a cell, the safety, efficiency of intracellular delivery, and persistence of the nucleic acid in the cell can be further improved.Type: GrantFiled: March 4, 2010Date of Patent: July 28, 2015Assignees: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Hirofumi Takeuchi, Yuichi Tozuka, Mitsutaka Murata, Hidekazu Toyobuku
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Patent number: 9020774Abstract: An encoder system includes: a first single-rotation absolute encoder that outputs a first signal corresponding to an angular position of a first rotatable shaft; a power transmission device that transmits the power of the first shaft to a second rotatable shaft with a predetermined transmission ratio; a second single-rotation absolute encoder that outputs a second signal corresponding to an angular position of the second shaft; and a signal processing section that generates data related to the rotation count of the first shaft based on at least the first signal and the second signal.Type: GrantFiled: February 24, 2011Date of Patent: April 28, 2015Assignee: Nikon CorporationInventors: Hiroyuki Kishida, Toru Morita, Yoshiji Takahashi, Kou Ohno, Takashi Nagase, Kenji Omata, Hirofumi Takeuchi