Patents by Inventor Takeshi Tahara
Takeshi Tahara 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: 11028031Abstract: The present invention aims at providing a method for producing a high-concentration alcohol from a water-alcohol mixture, in which the overall process is efficient and the present invention relates to a production method of a high-concentration alcohol, including a water adsorption step of adsorbing water of a water-alcohol mixture on an adsorption column to obtain a first concentrated alcohol, a water desorption step of introducing an alcohol to obtain a hydrous alcohol, and a membrane separation step of introducing the hydrous alcohol into a membrane separation unit provided with a membrane composite containing zeolite having an SiO2/Al2O3 molar ratio of 5 to 15 to obtain a second concentrated alcohol.Type: GrantFiled: May 9, 2019Date of Patent: June 8, 2021Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Kazuhide Maeda, Koichi Yamazaki, Hiroyuki Kakiuchi, Takeshi Tahara, Takahiko Takewaki
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Publication number: 20190263741Abstract: The present invention aims at providing a method for producing a high-concentration alcohol from a water-alcohol mixture, in which the overall process is efficient and the present invention relates to a production method of a high-concentration alcohol, including a water adsorption step of adsorbing water of a water-alcohol mixture on an adsorption column to obtain a first concentrated alcohol, a water desorption step of introducing an alcohol to obtain a hydrous alcohol, and a membrane separation step of introducing the hydrous alcohol into a membrane separation unit provided with a membrane composite containing zeolite having an SiO2/Al2O3 molar ratio of 5 to 15 to obtain a second concentrated alcohol.Type: ApplicationFiled: May 9, 2019Publication date: August 29, 2019Applicants: MITSUBISHI CHEMICAL CORPORATION, MITSUBISHI CHEMICAL ENGINEERING CORPORATIONInventors: Kazuhide MAEDA, Koichi YAMAZAKI, Hiroyuki KAKIUCHI, Takeshi TAHARA, Takahiko TAKEWAKI
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Patent number: 10329229Abstract: The present invention aims at providing a method for producing a high-concentration alcohol from a water-alcohol mixture, in which the overall process is efficient and the present invention relates to a production method of a high-concentration alcohol, including a water adsorption step of adsorbing water of a water-alcohol mixture on an adsorption column to obtain a first concentrated alcohol, a water desorption step of introducing an alcohol to obtain a hydrous alcohol, and a membrane separation step of introducing the hydrous alcohol into a membrane separation unit provided with a membrane composite containing zeolite having an SiO2/Al2O3 molar ratio of 5 to 15 to obtain a second concentrated alcohol.Type: GrantFiled: March 30, 2017Date of Patent: June 25, 2019Assignees: MITSUBISHI CHEMICAL CORPORATION, Mitsubishi Chemical Engineering CorporationInventors: Kazuhide Maeda, Koichi Yamazaki, Hiroyuki Kakiuchi, Takeshi Tahara, Takahiko Takewaki
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Publication number: 20170204030Abstract: The present invention aims at providing a method for producing a high-concentration alcohol from a water-alcohol mixture, in which the overall process is efficient and the present invention relates to a production method of a high-concentration alcohol, including a water adsorption step of adsorbing water of a water-alcohol mixture on an adsorption column to obtain a first concentrated alcohol, a water desorption step of introducing an alcohol to obtain a hydrous alcohol, and a membrane separation step of introducing the hydrous alcohol into a membrane separation unit provided with a membrane composite containing zeolite having an SiO2/Al2O3 molar ratio of 5 to 15 to obtain a second concentrated alcohol.Type: ApplicationFiled: March 30, 2017Publication date: July 20, 2017Applicants: MITSUBISHI CHEMICAL CORPORATION, MITSUBISHI CHEMICAL ENGINEERING CORPORATIONInventors: Kazuhide MAEDA, Koichi YAMAZAKI, Hiroyuki KAKIUCHI, Takeshi TAHARA, Takahiko TAKEWAKI
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Patent number: 8970730Abstract: An imaging apparatus is provided in which a flicker is prevented. The imaging apparatus includes an imaging part that includes an optical system to form an image of a subject and an imaging element to generate an image signal by photoelectrically converting an optical image of the subject formed by the optical system, an image processing part to perform an image processing on the image signal, a display part/operation part having at least display and setting functions, a luminance change detection part to detect change of luminance of the subject, a signal processing part to calculate flicker amounts at respective frequencies based on signal intensities with respect to luminance change information acquired by the luminance change detection part, and a control unit to cause the display part/operation part to display the flicker amounts at the respective frequencies calculated by the signal processing part.Type: GrantFiled: June 11, 2013Date of Patent: March 3, 2015Assignee: Hitachi Industry & Control Solutions, Ltd.Inventors: Yuki Ebina, Takeshi Tahara, Haruhiko Miyao, Makoto Kikuchi, Akinori Shiozawa
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Publication number: 20130342726Abstract: An imaging apparatus is provided in which a flicker is prevented. The imaging apparatus includes an imaging part that includes an optical system to form an image of a subject and an imaging element to generate an image signal by photoelectrically converting an optical image of the subject formed by the optical system, an image processing part to perform an image processing on the image signal, a display part/operation part having at least display and setting functions, a luminance change detection part to detect change of luminance of the subject, a signal processing part to calculate flicker amounts at respective frequencies based on signal intensities with respect to luminance change information acquired by the luminance change detection part, and a control unit to cause the display part/operation part to display the flicker amounts at the respective frequencies calculated by the signal processing part.Type: ApplicationFiled: June 11, 2013Publication date: December 26, 2013Inventors: Yuki EBINA, Takeshi TAHARA, Haruhiko MIYAO, Makoto KIKUCHI, Akinori SHIOZAWA
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Patent number: 8133319Abstract: A Periodic Table Group 13 metal nitride crystal is grown by causing a reaction of a Periodic Table Group 13 metal phase with a nitride-containing molten salt phase to proceed while removing a by-product containing a metal element except for Periodic Table Group 13 metals, from the reaction field. According to this process, a high-quality Periodic Table Group 13 metal nitride bulk crystal can be produced under low pressure or atmospheric pressure.Type: GrantFiled: July 4, 2005Date of Patent: March 13, 2012Assignee: Mitsubishi Chemical CorporationInventors: Yoji Arita, Yoshinori Seki, Takeshi Tahara, Yuzuru Sato
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Publication number: 20100139551Abstract: A Periodic Table Group 13 metal nitride crystal is grown by causing a reaction of a Periodic Table Group 13 metal phase with a nitride-containing molten salt phase to proceed while removing a by-product containing a metal element except for Periodic Table Group 13 metals, from the reaction field. According to this process, a high-quality Periodic Table Group 13 metal nitride bulk crystal can be produced under low pressure or atmospheric pressure.Type: ApplicationFiled: July 4, 2005Publication date: June 10, 2010Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Yoji Arita, Yoshinori Seki, Takeshi Tahara, Yazuru Sato
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Patent number: 7674856Abstract: A process for the production of a pressure-sensitive adhesive composition is provided comprising (1) forming an elastomer composition by mixing in the form of a solution, 33.5 to 95% by weight of an aromatic vinyl-isoprene block copolymer (a) having two or more poly(aromatic vinyl) blocks, 0 to 47.5% by weight of an aromatic vinyl-isoprene diblock copolymer (b), and 5 to 33% by weight of isoprene homopolymer (c) having a weight average molecular weight of 20,000 to 100,000, wherein the elastomer composition has a content of aromatic vinyl monomer unit of 14 to 50% by weight, (2) separating the elastomer composition from the solvent, (3) drying the elastomer composition, and (4) blending a petroleum resin with the elastomer composition made by steps (1)-(3), wherein the amount of the petroleum resin is 10 to 500 parts by weight based on 100 parts by weight of the elastomer composition.Type: GrantFiled: January 22, 2008Date of Patent: March 9, 2010Assignee: Zeon CorporationInventors: Takeshi Tahara, Takeshi Kawanabe
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Publication number: 20080289569Abstract: A process for producing a Group 13 metal nitride crystal, comprising performing the growth of a Group 13 metal nitride crystal in a solution or melt comprising an ionic solvent having dissolved therein a composite nitride containing a metal element belonging to Group 13 of the Periodic Table and a metal element other than Group 13 of the Periodic Table. According to this production process, a good-quality Group 13 metal nitride crystal can be produced under low or atmospheric pressure by an industrially inexpensive method.Type: ApplicationFiled: August 11, 2006Publication date: November 27, 2008Applicant: Mitsubishi Chemical CorporationInventors: Takeshi Tahara, Yoshinori Seki, Shigeru Terada, Sachie Takeuchi, Youji Arita, Kouhei Kubota
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Publication number: 20080166427Abstract: This invention provides a method for potentiating the antitumor effect of tegafur and reducing the gastrointestinal toxicity. The method comprises administering a composition containing tegafur, a DPD inhibitor and oxonic acid or a pharmaceutically acceptable salt thereof, to a patient under fasting conditions.Type: ApplicationFiled: April 27, 2005Publication date: July 10, 2008Applicant: Taiho Pharmaceutical Co., LtdInventors: Naruo Nomura, Keiko Nomura, Takeshi Tahara, Hiroshi Ambe, Jun Kuritani
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Publication number: 20080125545Abstract: A process for the production of a pressure-sensitive adhesive composition is provided comprising (1) forming an elastomer composition by mixing in the form of a solution, 33.5 to 95% by weight of an aromatic vinyl-isoprene block copolymer (a) having two or more poly(aromatic vinyl) blocks, 0 to 47.5% by weight of an aromatic vinyl-isoprene diblock copolymer (b), and 5 to 33% by weight of isoprene homopolymer (c) having a weight average molecular weight of 20,000 to 100,000, wherein the elastomer composition has a content of aromatic vinyl monomer unit of 14 to 50% by weight, (2) separating the elastomer composition from the solvent, (3) drying the elastomer composition, and (4) blending a petroleum resin with the elastomer composition made by steps (1)-(3), wherein the amount of the petroleum resin is 10 to 500 parts by weight based on 100 parts by weight of the elastomer composition.Type: ApplicationFiled: January 22, 2008Publication date: May 29, 2008Inventors: Takeshi Tahara, Takeshi Kawanabe
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Patent number: 6829949Abstract: A seating detecting device is comprised of a first cushion having an insert wire embedded therein, a second cushion placed on the first cushion, a surface sheet placed on the second cushion, a suspension wire fixed to the surface sheet and arranged between the surface sheet and the second cushion, and a pressure detecting device provided between an upper surface of the first cushion and a lower surface of the second cushion and having a plurality of through-holes for the suspension wire being fixed by the insert wire therethrough thereby to fix the surface sheet to the first and second cushions.Type: GrantFiled: July 24, 2002Date of Patent: December 14, 2004Assignee: Aisin Seiki Kabushiki KaishaInventors: Koji Ito, Kazuya Tanaka, Takeshi Tahara, Wataru Otake
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Publication number: 20040242775Abstract: The invention provides an elastomer composition which comprises 33.5 to 95% by weight of an aromatic vinyl-isoprene block copolymer (a) having two or more poly(aromatic vinyl) blocks, 0 to 47.5% by weight of an aromatic vinyl-isoprene diblock copolymer (b), and 5 to 33% by weight of polyisoprene (c) having a weight average molecular weight of 20,000 to 100,000, and which has a content of aromatic vinyl monomer unit of 14 to 50% by weight based on the total amount of the components (a), (b) and (c). The invention further provides a pressure-sensitive adhesive composition comprising the elastomer composition and a tackifier resin.Type: ApplicationFiled: February 26, 2004Publication date: December 2, 2004Inventors: Takeshi Tahara, Takeshi Kawanabe
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Patent number: 6750412Abstract: A pressure sensing switch which prevents the crack and damage when a stress is applied. The pressure-sensing switch extended in an X-Y-direction includes pressure sensing portions arranged in an X-direction and connection portion provided between the pressure sensing portions for connecting the pressure sensing portions. The connection portion includes a straight portion extended in X-direction and a straight portion formed by inverting both ends of the straight portion. The straight portion is deformed in a Y-direction for connecting to the pressure sensing portions.Type: GrantFiled: August 29, 2002Date of Patent: June 15, 2004Assignee: Aisin Seiki Kabushiki KaishaInventors: Koji Ito, Takeshi Tahara, Kazuya Tanaka, Wataru Otake
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Patent number: 6546822Abstract: A seat occupant sensor device for detecting whether or not an occupant is seated on a seat is made up of a pressure sensitive switch including a pair of sensor portions and a connecting portion, with each of the sensor portions being formed as an integration of a pair of opposed films and a spacer. On one of the films is disposed a plurality of spaced first electrodes which are electrically connected to each other by way of a first conductive path, and on the other film is disposed a plurality of spaced second electrodes which are electrically connected to each other by way of a second conductive path. The spacer is disposed between the pair of opposed films in such a manner that each of the first electrodes is maintained separate from the corresponding second electrode when the seat is unoccupied. The first conductive path and the second conductive path extend into the connecting portion, and the connecting portion is positioned, when in its free state, between the pair of the sensor portions.Type: GrantFiled: November 9, 2000Date of Patent: April 15, 2003Assignee: Aisin Seiki Kabushiki KaishaInventors: Takeshi Tahara, Yasuaki Suzuki, Koji Ito
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Publication number: 20030057071Abstract: A pressure sensing switch which prevents the crack and damage when a stress is applied. The pressure-sensing switch extended in an X-Y-direction includes pressure sensing portions arranged in an X-direction and connection portion provided between the pressure sensing portions for connecting the pressure sensing portions. The connection portion includes a straight portion extended in X-direction and a straight portion formed by inverting both ends of the straight portion. The straight portion is deformed in a Y-direction for connecting to the pressure sensing portions.Type: ApplicationFiled: August 29, 2002Publication date: March 27, 2003Inventors: Koji Ito, Takeshi Tahara, Kazuya Tanaka, Wataru Otake
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Publication number: 20030020593Abstract: A seating detecting device is comprised of a first cushion having an insert wire embedded therein, a second cushion placed on the first cushion, a surface sheet placed on the second cushion, a suspension wire fixed to the surface sheet and arranged between the surface sheet and the second cushion, and a pressure detecting device provided between an upper surface of the first cushion and a lower surface of the second cushion and having a plurality of through-holes for the suspension wire being fixed by the insert wire therethrough thereby to fix the surface sheet to the first and second cushions.Type: ApplicationFiled: July 24, 2002Publication date: January 30, 2003Inventors: Koji Ito, Kazuya Tanaka, Takeshi Tahara, Wataru Otake