Patents by Inventor Takumi Kato
Takumi Kato 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: 20180158076Abstract: An evaluation device according to one aspect of the present invention includes an extractor configured to extract data related to a brand preset by a company or an organization from data collected from an information medium, and a calculator configured to calculate a first index value indicating a frequency of appearance of a first term indicating content expected by the company or organization in the data extracted by the extractor and a second index value indicating a frequency of appearance of a second term indicating a response of a customer in the extracted data.Type: ApplicationFiled: September 12, 2017Publication date: June 7, 2018Inventors: Takumi KATO, Mai TAKEMOTO, Naotada ISHIBASHI, Yosuke INOUE
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Patent number: 9981447Abstract: There is provided a fiber-reinforced resin joined body, including: a fiber-reinforced resin shaped product A containing reinforcing fibers and a thermoplastic resin, and including at least one a protrusion part with a buckling strength of 80 MPa to 450 MPa; and a member B including at least one through hole, wherein the protrusion part of the fiber-reinforced resin shaped product A is inserted into the through hole of the member B, and a caulked part is provided in a portion of the protrusion part, protruding from the through hole.Type: GrantFiled: March 20, 2015Date of Patent: May 29, 2018Assignee: Teijin LimitedInventors: Hiroki Sano, Takumi Kato, Takeru Ohki
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Patent number: 9527230Abstract: There is provided a method for manufacturing a joint member obtained by joining a carbon fiber composite material containing a thermoplastic resin as a matrix and a metal. The method includes a step (i) of forming an uneven shape having a depth of 0.02 to 0.6 mm on a surface of the metal at a joining portion; a step (ii) of providing a thermoplastic resin layer having a thickness in the range of 5?m or more and 5 mm or less at a joining portion between the surface of the metal and a surface of the composite material; and a step (iii) of melting the thermoplastic resin layer by heating the joining portion to thereby combine the metal and the composite material into one.Type: GrantFiled: March 27, 2013Date of Patent: December 27, 2016Assignee: Teijin LimitedInventors: Masaki Takeuchi, Masumi Hirata, Takumi Kato, Hiroki Sano
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Patent number: 9481117Abstract: In a manufacturing method of a decorative molded article, in which a surface of a fiber-reinforced resin shaped product including carbon fibers in which some carbon fibers are contained in a form of carbon fiber bundle and a thermoplastic resin, is decorated in the mold, a decorative molded article having excellent surface smoothness and an excellent appearance is provided by controlling a pressure in the mold during cooling.Type: GrantFiled: August 12, 2014Date of Patent: November 1, 2016Assignee: Teijin LimitedInventors: Hiroki Sano, Takumi Kato
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Patent number: 9339988Abstract: A composite shaped product of the present invention is a joined body which is excellent in shock resistance, and which includes shaped products (B1) and (B2) which contain a carbon fiber and a thermoplastic resin, in which the shaped products (B1) and (B2) are disposed on both sides of a composite substrate (A) that contains a continuous fiber such as a polyester fiber and a thermoplastic resin so that the composite substrate (A) is interposed between the shaped products (B1) and (B2), and the shaped products (B1) and (B2) are heat-welded to each other at a joining portion (C) through a through hole (D1) of the composite substrate (A).Type: GrantFiled: November 25, 2013Date of Patent: May 17, 2016Assignee: Teijin LimitedInventors: Takumi Kato, Kiyoshi Saito
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Publication number: 20160096340Abstract: There is provided a fiber-reinforced resin joined body, including: a fiber-reinforced resin shaped product A containing reinforcing fibers and a thermoplastic resin, and including at least one a protrusion part with a buckling strength of 80 MPa to 450 MPa; and a member B including at least one through hole, wherein the protrusion part of the fiber-reinforced resin shaped product A is inserted into the through hole of the member B, and a caulked part is provided in a portion of the protrusion part, protruding from the through hole.Type: ApplicationFiled: March 20, 2015Publication date: April 7, 2016Applicant: Teijin LimitedInventors: Hiroki Sano, Takumi Kato, Takeru Ohki
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Publication number: 20160046067Abstract: In order to achieve an object of stably joining two or more composite materials containing carbon fibers and a thermoplastic resin at a target joining position, joining surfaces of two or more composite materials (11a, 11b) containing carbon fibers and a thermoplastic resin are brought into contact, and an electric current for joining the two or more composite materials (11a, 11b) by Joule heat is fed to the target joining position in a state in which vibration is applied by a vibration generating device (17) to the two or more composite materials (11a, 11b) which are being pressed by a pressing device (13) so as to join the two or more composite materials (11a, 11b).Type: ApplicationFiled: March 24, 2014Publication date: February 18, 2016Inventors: Naozumi MIZUTANI, Yasuo KADOYA, Hironobu NISHIMURA, Koji ARAI, Akio KOMATSU, Takumi KATO, Shuhei SUZUKI
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Publication number: 20150290911Abstract: A method of efficiently manufacturing a joined body in which a composite material including a thermoplastic resin reinforced with fiber and a metal member are joined to each other is provided. In a state of bringing a protrusion including a thermoplastic resin on a surface of the fiber-reinforced composite material into contact with a surface of the metal member, by melting the thermoplastic resin of the protrusion on the surface of the fiber-reinforced composite material, the fiber-reinforced composite material and the metal member are firmly joined to each other.Type: ApplicationFiled: July 4, 2013Publication date: October 15, 2015Applicant: Teijin LimitedInventors: Masumi Hirata, Hiroki Sano, Takumi Kato
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Publication number: 20150202807Abstract: In a manufacturing method of a decorative molded article, in which a surface of a fiber-reinforced resin shaped product including carbon fibers in which some carbon fibers are contained in a form of carbon fiber bundle and a thermoplastic resin, is decorated in the mold, a decorative molded article having excellent surface smoothness and an excellent appearance is provided by controlling a pressure in the mold during cooling.Type: ApplicationFiled: August 12, 2014Publication date: July 23, 2015Applicant: Teijin LimitedInventors: Hiroki Sano, Takumi Kato
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Publication number: 20150064409Abstract: There is provided a method for manufacturing a joint member obtained by joining a carbon fiber composite material containing a thermoplastic resin as a matrix and a metal. The method includes a step (i) of forming an uneven shape having a depth of 0.02 to 0.6 mm on a surface of the metal at a joining portion; a step (ii) of providing a thermoplastic resin layer having a thickness in the range of 5?m or more and 5 mm or less at a joining portion between the surface of the metal and a surface of the composite material; and a step (iii) of melting the thermoplastic resin layer by heating the joining portion to thereby combine the metal and the composite material into one.Type: ApplicationFiled: March 27, 2013Publication date: March 5, 2015Applicant: Teijin LimitedInventors: Masaki Takeuchi, Masumi Hirata, Takumi Kato, Hiroki Sano
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Publication number: 20150030864Abstract: There is provided a method for manufacturing a joint member in which a carbon fiber composite material containing a thermoplastic resin as a matrix and a metal are joined, wherein the joint member is manufactured by (i) treating a surface of the metal with a solution containing a specific triazine thiol derivative, (ii) providing a thermoplastic resin layer having a thickness of 5?m to 5 mm between the carbon fiber composite material and the surface of the metal on which the treatment is performed, and (iii) heating and melting the thermoplastic resin layer to join (fuse) the carbon fiber composite material to the surface of the metal.Type: ApplicationFiled: March 27, 2013Publication date: January 29, 2015Applicant: Teijin LimitedInventors: Masaki Takeuchi, Shuji Koike, Masumi Hirata, Takumi Kato, Hiroki Sano
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Publication number: 20150013898Abstract: Provided is a method for joining composite materials including a thermoplastic resin as a matrix resin and carbon fibers, by which the composite materials can be easily joined to each other to attain good bond strength. The method for joining composite materials includes: (i) a step in which a composite material A including a thermoplastic resin and carbon fibers and having a protrusion part on one surface thereof and a composite material B including a thermoplastic resin and carbon fibers are layered and fixed so that the protrusion part of the composite material A faces inward; and (ii) a step in which a current is applied to a joining portion including the protrusion part to generate heat.Type: ApplicationFiled: December 26, 2012Publication date: January 15, 2015Applicant: TEIJIN LIMITEDInventor: Takumi Kato
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Publication number: 20140286697Abstract: There is provided a method for manufacturing a joint member including two or more carbon fiber composite materials having a thermoplastic resin as a matrix, characterized in that while heating and melting or after heating and melting at least one joining portion A of the composite materials, the one joining portion A is brought into contact with other joining portion B of the composite materials, and the joining portions A and B are welded by giving vibration or ultrasonic vibration while applying a pressure.Type: ApplicationFiled: June 6, 2014Publication date: September 25, 2014Applicant: TEIJIN LIMITEDInventors: Masaki Takeuchi, Takumi Kato
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Publication number: 20140154494Abstract: A method of obtaining a high-strength bonded body between composite materials, each containing a thermoplastic resin and carbon fibers, with a low current in a short period of time, wherein the bonded body is rarely susceptible to deformation such as warp. The method of manufacturing a bonded body, comprises the steps of: (i) preparing a plurality of composite materials, each containing a thermoplastic resin and discontinuous carbon fibers which are randomly oriented; (ii) overlapping the composite materials each other; (iii) sandwiching at least a part of the overlapped portion between a pair of electrodes; and (iv) applying electricity between the electrodes to weld together the thermoplastic resins with Joule heat.Type: ApplicationFiled: April 6, 2012Publication date: June 5, 2014Applicants: ORIGIN ELECTRIC CO., LTD., TEIJIN LIMITEDInventors: Takumi Kato, Kiyoshi Saito, Akio Komatsu
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Publication number: 20140079908Abstract: A composite shaped product of the present invention is a joined body which is excellent in shock resistance, and which includes shaped products (B1) and (B2) which contain a carbon fiber and a thermoplastic resin, in which the shaped products (B1) and (B2) are disposed on both sides of a composite substrate (A) that contains a continuous fiber such as a polyester fiber and a thermoplastic resin so that the composite substrate (A) is interposed between the shaped products (B1) and (B2), and the shaped products (B1) and (B2) are heat-welded to each other at a joining portion (C) through a through hole (D1) of the composite substrate (A).Type: ApplicationFiled: November 25, 2013Publication date: March 20, 2014Applicant: Teijin LimitedInventors: Takumi Kato, Kiyoshi Saito
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Publication number: 20130272780Abstract: A method for producing a joint member between a carbon fiber composite material containing a thermoplastic resin as a matrix and a metal, includes: forming a layer containing a triazine thiol derivative on a surface of the metal; providing a thermoplastic resin layer between the layer containing a triazine thiol derivative and the carbon fiber composite material; and melting the thermoplastic resin layer to join the metal to the carbon fiber composite material.Type: ApplicationFiled: May 29, 2013Publication date: October 17, 2013Inventors: Masaki Takeuchi, Toru Kaneko, Masumi Hirata, Takumi Kato, Hiroki Sano
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Patent number: 8100991Abstract: A compact biomass gasification apparatus is capable of gasifying a wide variety of biomass materials, without regard to their size and/or the water content of those materials, and also capable of substantially removing the tar component generated in a gasification process. A biomass gasification apparatus primarily includes an externally heated rotary kiln-type thermal cracking unit (2) indirectly heating and thermally cracking a biomass material to generate a tar-containing pyrolysis gas and char from the biomass material, and a gasification unit (3) receiving the tar-containing pyrolysis gas and char from the thermal cracking unit (2) and thermally cracking the tar component in the pyrolysis gas and gasifying the char by an oxidation gas being introduced therein.Type: GrantFiled: November 16, 2006Date of Patent: January 24, 2012Assignee: Chugai Ro Co., Ltd.Inventors: Kenichi Sasauchi, Miki Taniguchi, Takumi Kato
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Patent number: 7836253Abstract: A cache memory arranged between a processor and a low-speed memory and performing a pipeline processing of a memory access made by the processor. In a first stage, the cache memory reads out a tag address from a tag memory. In a second stage, the cache memory performs a hit decision by a hit decision unit. When the hit decision result is a miss hit, the cache memory performs an update control of the tag memory and a behavior control of a bypass circuit for supplying a data held in a latch circuit to the hit decision unit by bypassing the tag memory in a third stage. The latch circuit is configured to hold a tag address included in a input address supplied from the processor.Type: GrantFiled: October 24, 2007Date of Patent: November 16, 2010Assignee: NEC Electronics CorporationInventors: Satoshi Chiba, Takumi Kato
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Publication number: 20090260286Abstract: A compact biomass gasification apparatus is capable of gasifying a wide variety of biomass materials, without regard to their size and/or the water content of those materials, and also capable of substantially removing the tar component generated in a gasification process. A biomass gasification apparatus primarily includes an externally heated rotary kiln-type thermal cracking unit (2) indirectly heating and thermally cracking a biomass material to generate a tar-containing pyrolysis gas and char from the biomass material, and a gasification unit (3) receiving the tar-containing pyrolysis gas and char from the thermal cracking unit (2) and thermally cracking the tar component in the pyrolysis gas and gasifying the char by an oxidation gas being introduced therein.Type: ApplicationFiled: November 16, 2006Publication date: October 22, 2009Applicant: Chugai Ro Co., Ltd., a Corporation of JapanInventors: Kenichi Sasauchi, Miki Taniguchi, Takumi Kato
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Publication number: 20080098174Abstract: One embodiment of the present invention is a cache memory arranged between a processor and a low-speed memory and performing a pipeline processing of a memory access made by the processor. In a first stage, the cache memory reads out a tag address from a tag memory. In a second stage, the cache memory performs a hit decision by a hit decision unit. When the hit decision result is a miss hit, the cache memory performs an update control of the tag memory and a behavior control of a bypass circuit for supplying a data held in a latch circuit to the hit decision unit by bypassing the tag memory in a third stage. The latch circuit is configured to hold a tag address included in a input address supplied from the processor.Type: ApplicationFiled: October 24, 2007Publication date: April 24, 2008Applicant: NEC ELECTRONICS CORPORATIONInventors: Satoshi CHIBA, Takumi KATO