Patents by Inventor Takashi Kitajima
Takashi Kitajima 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: 20230173745Abstract: Provided is a method for producing a modeled object easily producible and capable of effectively increasing mechanical properties in modeling using a three-dimensional printer. The method for producing a modeled object includes the steps of: preparing a resin composition containing inorganic fibers with an average fiber length of 1 ?m to 300 ?m and an average aspect ratio of 3 to 200 and a thermoplastic resin; and modeling an object using the resin composition on a fused deposition modeling-based three-dimensional printer to produce a modeled object, wherein in modeling the object on the fused deposition modeling-based three-dimensional printer, a deposition pitch is less than 0.20 mm and a road width is less than 0.20 mm.Type: ApplicationFiled: June 17, 2021Publication date: June 8, 2023Applicant: OTSUKA CHEMICAL CO., LTD.Inventors: Takashi Kitajima, Kousuke Inada, Yukio Yonezu
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Publication number: 20220203663Abstract: Provided is a composite laminate having excellent releasability from a mold during a production process, excellent surface appearance (surface smoothness) and mechano-physical properties, and excellent workability and coating adhesion. A composite laminate 1 includes an A layer 2 and a B layer 3, wherein the A layer 2 is provided directly or indirectly on one or both sides of the B layer 3, the A layer 2 contains reinforcing fibers (a1) with an average fiber length of 1 ?m to 300 ?m, spherical particles (a11) with a volume mean particle diameter of 0.01 ?m to 100 ?m, and a thermoplastic resin (a2), and the B layer 3 contains reinforcing fibers (b1) with an average fiber length of 1 mm or more and a thermoplastic resin (b2).Type: ApplicationFiled: May 7, 2020Publication date: June 30, 2022Applicant: OTSUKA CHEMICAL CO., LTD.Inventors: Hiroshi Yagi, Takashi Kitajima, Kousuke Inada
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Publication number: 20150161371Abstract: According to one embodiment, an electronic device includes a first authentication controller, a second authentication controller and a controller. The first authentication controller performs biometric authentication to measure biological data of a user and to determine whether or not the biological data corresponds to registered biological data. The second authentication controller performs inter-device authentication by means of communication between the electronic device and a first external device. The controller enables a predetermined function when the biometric authentication and the inter-device authentication have succeeded.Type: ApplicationFiled: February 4, 2015Publication date: June 11, 2015Inventors: Hideo Hoshi, Takashi Kitajima
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Patent number: 8697655Abstract: Provided is a peptide including the following amino acid sequence. Tyr-Xaa0-Xaa1-Tyr-Tyr-Xaa2-Xaa3-Tyr-Xaa4-Xaa5-Xaa6-Xaa7-Xaa8-Xaa9-Xaa10-Xaa11 (SEQ ID NO: 4: wherein Xaa0, Xaa1, Xaa2, Xaa3, Xaa4, Xaa5, Xaa6, Xaa7, Xaa8, Xaa9, Xaa10 and Xaa 11 represent any amino acid) or Tyr-Asn-Asp-Tyr-Tyr-Tyr-Tyr-Cys-Tyr-Arg-Asp-Tyr-Asp (SEQ ID NO: 20).Type: GrantFiled: September 10, 2012Date of Patent: April 15, 2014Assignee: RikenInventors: Akira Wada, Yoshihiro Ito, Takashi Kitajima
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Publication number: 20130302872Abstract: A method and an apparatus for producing a cell tissue of blood vessels or the like with the use of an electrostatic ink jet phenomenon are provided. A pattern generator for cell tissue patterning on a substrate includes at least one vessel for holding a solution containing materials used for cell tissue formation, a substrate that is an object of patterning, and a pattern generator including a voltage applying unit for applying a voltage to the vessel. The voltage is applied to the vessel by the voltage applying unit to generate an electric field between the vessel and the substrate, causing the solution to be ejected from the vessel as a result of an electrostatic ink jet phenomenon and allowing the ejected solution to adhere to the substrate.Type: ApplicationFiled: July 22, 2013Publication date: November 14, 2013Applicant: RIKENInventors: Shinjiro UMEZU, Takashi KITAJIMA, Kazutoshi KATAHIRA, Hitoshi OHMORI, Yoshihiro ITO
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Publication number: 20130045917Abstract: Provided is a peptide including the following amino acid sequence. Tyr-Xaa0-Xaa1-Tyr-Tyr-Xaa2-Xaa3-Tyr-Xaa4-Xaa5-Xaa6-Xaa7-Xaa8-Xaa9-Xaa10-Xaa11 (SEQ ID NO: 4: wherein Xaa0, Xaa1, Xaa2, Xaa3, Xaa4, Xaa5, Xaa6, Xaa7, Xaa8, Xaa9, Xaa10 and Xaa11 represent any amino acid) or Tyr-Asn-Asp-Tyr-Tyr-Tyr-Tyr-Cys-Tyr-Arg-Asp-Tyr-Asp (SEQ ID NO: 20).Type: ApplicationFiled: September 10, 2012Publication date: February 21, 2013Applicant: RIKENInventors: Akira WADA, Yoshihiro ITO, Takashi KITAJIMA
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Publication number: 20120121496Abstract: A hydrazine-fixing group such as a ketone group, a formyl group, a chlormethyl group or an amide group, which is capable of releasably fixing hydrazine, is introduced into a side chain of a synthetic resin, and hydrazine is fixed to the hydrazine-fixing group. Since a hydrazine storage resin of the present invention has a hydrazine-releasable group capable of releasing hydrazine, it is able to store hydrazine stably. In addition, hydrazine can be supplied by releasing hydrazine from the hydrazine-releasable group. Consequently, the hydrazine storage resin can be widely used in various industrial fields requiring supply of hydrazine.Type: ApplicationFiled: January 26, 2012Publication date: May 17, 2012Applicants: OTSUKA CHEMICAL CO., LTD., DAIHATSU MOTOR CO., LTD., SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Masatoshi TANIGUCHI, Akinori OKA, Takashi KITAJIMA, Ken SONOGI, Masaaki OKA, Hirohisa TANAKA, Koji YAMADA, Koichiro ASAZAWA
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Publication number: 20110129892Abstract: According to the present invention, a method and an apparatus for producing a cell tissue of blood vessels or the like with the use of an electrostatic ink jet phenomenon are provided. The following is provided: a pattern generator for cell tissue patterning on a substrate, which comprises at least one vessel for holding a solution containing materials used for cell tissue formation, a substrate that is an object of patterning, and a voltage applying unit for applying a voltage to the vessel, wherein a voltage is applied to the vessel by the voltage applying unit in order to generate an electric field between the vessel and the substrate, causing the solution to be ejected from the vessel as a result of an electrostatic ink jet phenomenon and allowing the ejected solution to adhere to the substrate.Type: ApplicationFiled: July 8, 2009Publication date: June 2, 2011Applicant: RIKENInventors: Shinjiro Umezu, Takashi Kitajima, Kazutoshi Katahira, Hitoshi Ohmori, Yoshihiro Ito
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Publication number: 20090318662Abstract: A hydrazine-fixing group such as a ketone group, a formyl group, a chlormethyl group or an amide group, which is capable of releasably fixing hydrazine, is introduced into a side chain of a synthetic resin, and hydrazine is fixed to the hydrazine-fixing group. Since a hydrazine storage resin of the present invention has a hydrazine-releasable group capable of releasing hydrazine, it is able to store hydrazine stably. In addition, hydrazine can be supplied by releasing hydrazine from the hydrazine-releasable group. Consequently, the hydrazine storage resin can be widely used in various industrial fields requiring supply of hydrazine.Type: ApplicationFiled: July 9, 2007Publication date: December 24, 2009Applicants: OTSUKA CHEMICAL CO., LTD., SANYO CHEMICAL INDUSTRIES, LTD., DAIHATSU MOTOR CO., LTD.Inventors: Masatoshi Taniguchi, Akinori Oka, Takashi Kitajima, Ken Sonogi, Masaaki Oka, Hirohisa Tanaka, Koji Yamada, Koichiro Asazawa
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Publication number: 20090317670Abstract: Hydrazine supply device (1) includes hydrazine fixing bath (2) which releasably fixes hydrazine and water/alkali, tank (3) for supplying water or an alkaline aqueous solution so as to release the hydrazine fixed in the hydrazine fixing bath (2), thereby achieving stable storage and supply of hydrazine. Thus, the device can be widely used in various industrial fields requiring the supply of hydrazine. Further, each of fuel cell system (10) and vehicle (14) comprises the hydrazine supply device (1) and fuel cell (13), thereby achieving safe utilization of hydrazine as fuel and reduction of burdens on the environmental load.Type: ApplicationFiled: July 9, 2007Publication date: December 24, 2009Applicants: OTSUKA CHEMICAL CO., LTD., DAIHATSU MOTOR CO., LTD.Inventors: Masatoshi Taniguchi, Akinori Oka, Takashi Kitajima, Ken Sonogi, Hirohisa Tanaka, Koji Yamada, Koichiro Asazawa
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Publication number: 20090226412Abstract: The present invention relates to a hemorrhage reducing agent in cerebrovascular disorder containing a poly (ADP-ribose) polymerase inhibitor (PARP inhibitor). The PARP inhibitor provides an inhibitory effect of vascular endothelial cell disorder so that it may reduce hemorrhage in cerebrovascular disorder. In addition, the PARP inhibitor inhibits the hemorrhage that is concerned about in thrombolytic agent use by using together with a thrombolytic agent, and an effect of extending therapeutic time window of a thrombolytic agent may be further expected. Furthermore, the PARP inhibitor can be a safe hemorrhage reducing agent with fewer side effects because it does not affect the blood coagulation system and the fibrinolytic system.Type: ApplicationFiled: June 23, 2006Publication date: September 10, 2009Applicant: ONO PHARMACEUTICAL CO., LTD.,Inventors: Tetsuya Yasuhiro, Takashi Kitajima, Daisuke Wakamatsu, Wataru Kamoshima
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Patent number: 7516203Abstract: This invention relates to a network control verification system, a control communication terminal, a server apparatus, and a network control verification method whereby a user away from a recording apparatus is notified of information such as whether the recording apparatus has completed unattended recording of a broadcast program as reserved. Specifically, a recording/reproducing apparatus 4 records a broadcast program to a recording medium in accordance with unattended recording reservation settings. The apparatus 4 extracts one picture frame from the pictures recorded on the recording medium and turns the extracted frame into a thumbnail image. The recording/reproducing apparatus 4 then transmits an e-mail including a recording start date, a recording start time, a recording stop time, a broadcast channel, and a recording mode regarding the recorded broadcast program to a mobile phone 53 together with an attachment of the thumbnail.Type: GrantFiled: October 8, 2003Date of Patent: April 7, 2009Assignee: Sony CorporationInventors: Toshiyuki Watanabe, Takashi Kitajima, Katsutoshi Sakao, Yasunori Matsui, Hirokatsu Kimata, Satoru Maeda
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Publication number: 20080281408Abstract: It is an object of the present invention to retain on an artificial blood vessel material an endothelial cell growth-promoting agent, for example the angiogenic factor HGF, without impairing its activity, thereby providing an artificial blood vessel having the function of promoting endothelialization. Such an object can be attained by an artificial blood vessel that includes a porous tubular structure formed from, for example, polytetrafluoroethylene and, layered and immobilized in sequence onto at least the inner surface thereof, (1) a polyamino acid urethane copolymer, (2) collagen or gelatin, and (3) an endothelial cell growth-promoting agent having collagen-binding activity. Preferred examples of the endothelial cell growth-promoting agent include a fusion protein of a polypeptide having collagen-binding activity such as, for example, a fibronectin-derived polypeptide and an angiogenic factor, in particular, HGF.Type: ApplicationFiled: August 29, 2005Publication date: November 13, 2008Applicant: KYUSHU INSTITUTE OF TECHNOLOGYInventors: Makoto Kodama, Takashi Kitajima
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Publication number: 20070225453Abstract: A crosslinking agent or a curing agent for resins, the agent containing as an active component a polyacrylic hydrazide having an average molecular weight of 10,000 to 150,000, a hydrazide conversion ratio of at least 30% and 85 or more hydrazide groups in one molecule and a polyacrylic hydrazide having an average molecular weight of 20,000 to 30,000 and 50,000 to 150,000.Type: ApplicationFiled: November 11, 2004Publication date: September 27, 2007Inventors: Yoshinobu Abe, Takashi Kitajima
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Publication number: 20050165918Abstract: This invention relates to a network control verification system, a control communication terminal, a server apparatus, and a network control verification method whereby a user away from a recording apparatus is notified of information such as whether the recording apparatus has completed unattended recording of a broadcast program as reserved. Specifically, a recording/reproducing apparatus 4 records a broadcast program to a recording medium in accordance with unattended recording reservation settings. The apparatus 4 extracts one picture frame from the pictures recorded on the recording medium and turns the extracted frame into a thumbnail image. The recording/reproducing apparatus 4 then transmits an e-mail including a recording start date, a recording start time, a recording stop time, a broadcast channel, and a recording mode regarding the recorded broadcast program to a mobile phone 53 together with an attachment of the thumbnail.Type: ApplicationFiled: October 8, 2003Publication date: July 28, 2005Applicant: Sony CorporationInventors: Toshiyuki Wantanabe, Takashi Kitajima, Katsutoshi Sakao, Yasunori Matsui, Hirokatsu Kimata, Satoru Maeda
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Publication number: 20040053368Abstract: A collagen-binding hybrid polypeptide wherein the collagen-binding ability is imparted to a functional polypeptide is provided.Type: ApplicationFiled: February 14, 2003Publication date: March 18, 2004Inventors: Tetsuya Ishikawa, Takashi Kitajima
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Patent number: 6503967Abstract: A curing agent for epoxy resins, the curing agent containing as an active ingredient a compound represented by the formula (1) or a salt thereof and an amine compound or a salt thereof, the curing agent being characterized in that at least one of the compound represented by the formula (1) and the amine compound is a salt of thiocyanic acid; and an epoxy resin composition having the curing agent incorporated therein: NH2N(R1)(R2) (1) wherein R1 and R2 are the same or different and each represents alkyl having 1 to 8 carbon atoms, aryl, a nitrogen-containing heterocyclic group or when taken together, represents alkylene having 2 to 11 carbon atoms or a group represented by —R3—R4—R5— wherein R3 and R5 are the same or different and each represents alkylene having 1 to 8 carbon atoms, and R4 is an oxygen atom, a sulfur atom or a group ═NR6 or ═NNH2, wherein R6 is a hydrogen atom or alkyl having 1 to 8 carbon atoms.Type: GrantFiled: June 18, 2001Date of Patent: January 7, 2003Assignee: Otsuka Nagaku Kabushiki KaishaInventors: Takashi Kitajima, Akihiro Nabeshima
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Patent number: 6433042Abstract: A curing agent for epoxy resin which comprises at least one selected from the compound of the formula (1) and its salt, as an effective component wherein X is —(CH2)n- or —(CH2)1-Y—(CH2)m- , Y is —N(R1)—, —O— or —S—, R1 is alkyl having 1 to 8 carbon atoms or amino. n is a number of 2, 3, 5 to 11, 1 and m are each a number of 1 to 8.Type: GrantFiled: February 5, 2001Date of Patent: August 13, 2002Assignee: Otsuka Kagaku Kabushiki KaishaInventors: Yoshihisa Tomotaki, Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima, Tomohiro Furuichi
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Publication number: 20020102709Abstract: A collagen-binding physiologically active polypeptide is provided. In this polypeptide, a peptide from fibronectin is ligated to a physiologically active peptide, and this hybrid polypeptide is provided with both the collagen-binding activity and the physiological activity. A novel collagen matrix wherein the hybrid polypeptide is combined with collagen is also provided. The collagen-binding physiologically active polypeptide provided with both the collagen-binding activity and the physiological activity is useful as a drug delivery system (DDS) of the physiologically active peptide. Furthermore, this polypeptide can be combined with collagen to provide a functionally modified collagen matrix which is quite useful as a new biomaterial adapted for use in tissue regeneration.Type: ApplicationFiled: August 23, 2001Publication date: August 1, 2002Inventors: Tetsuya Ishikawa, Takashi Kitajima
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Patent number: 6372825Abstract: The present invention provides an aqueous solution of an epoxy resin and a solid thereof, which is obtained by the following manner that an epoxy compound or a solution of the epoxy compound in organic solvent, and an amine compound of the formula (1), an aqueous solution thereof, a solution of the amine compound in organic solvent, or a solution thereof in a mixture of water and organic solvent, are mixed together so that the epoxy compound and the amine compound are reacted or polymerized to obtain a solution of an epoxy resin, to which water is added and heated to remove the organic solvent and unreacted amine compound, and a process for preparing the same NH2N(R1)(R2) (1) wherein R1 and R2 are the same or different and each is alkyl having 1 to 6 carbon atoms, alkylene having 2 to 11 carbon atoms or a group represented by —R3—N(R4)—R5— which are formed when both are bonded, R3 and R5 are the same or different and each is alkylene having 1 to 6 carbon atoms, and R4 is aType: GrantFiled: May 9, 2000Date of Patent: April 16, 2002Assignee: Otsuka Kagaku Kabushiki KaishaInventors: Yoshihisa Tomotaki, Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima, Tomohiro Furuichi