Patents by Inventor Shotaro Ishikawa
Shotaro Ishikawa 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: 20240128578Abstract: A load applicator includes an elastic mechanism including elastic bodies, a first member configured to move in accordance with contraction of power storage cells, a second member provided opposite to the first member across the elastic mechanism, a switching device, and a restriction member. The elastic mechanism has a first form wherein a first restraint load is applied to a power storage module when the power storage module expands by a first dimension, and a second form wherein a second restraint load larger than the first restraint load is applied to the power storage module when the power storage module expands by the first dimension. The switching device performs an operation switching from the first form to the second form in a case where a restraint load smaller than the first restraint load is applied to the power storage module when the power storage module expands by the first dimension.Type: ApplicationFiled: December 20, 2023Publication date: April 18, 2024Inventors: Shotaro ISHIKAWA, Tatsuhiko SASAKI, Koichiro KISHI, Kenta WATANABE
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Patent number: 11894570Abstract: A load applicator includes an elastic mechanism, a first member configured to move in accordance with contraction of power storage cells, a second member provided on a side opposite to the first member across the elastic mechanism, and a switching device. The elastic mechanism has a first form in which a first restraint load is applied to the power storage module when the power storage module expands by a first dimension, and a second form in which a second restraint load larger than the first restraint load is applied to the power storage module when the power storage module expands by the first dimension. The switching device performs an operation to switch from the first form to the second form in a case where a restraint load smaller than the first restraint load is applied to the power storage module when the power storage module expands by the first dimension.Type: GrantFiled: January 20, 2022Date of Patent: February 6, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shotaro Ishikawa, Tatsuhiko Sasaki, Koichiro Kishi, Kenta Watanabe
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Patent number: 11894579Abstract: A secondary battery includes an electrode, a positive electrode current collector, a negative electrode current collector, a positive electrode terminal, a negative electrode terminal, and an insulating plate. The positive electrode terminal and the negative electrode terminal each have a main side surface and a sub side surface having an area smaller than that of the main side surface. The positive electrode terminal and the negative electrode terminal are arranged so that the main side surface of the positive electrode terminal and the main side surface of the negative electrode terminal face each other. The insulating plate is arranged between the main side surface of the positive electrode terminal and the main side surface of the negative electrode terminal.Type: GrantFiled: August 6, 2021Date of Patent: February 6, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsuhiko Sasaki, Taro Matsushita, Kenta Watanabe, Shotaro Ishikawa, Koichiro Kishi
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Publication number: 20240014529Abstract: A secondary battery includes a positive electrode, a negative electrode, a single positive electrode terminal formed in a flat plate shape, a single negative electrode terminal formed in a flat plate shape, a holder holding the single positive and negative electrode terminals, and a laminate exterior body. The single positive and negative electrode terminals each have a single protruding portion protruding from the laminate exterior body in one direction. An insulating plate is arranged between main side surfaces of the single protruding portions of the terminals. On one side of the insulating plate in a facing direction, only the single protruding portion of the positive terminal protrudes from the laminate exterior body, and on the other side of the insulating plate in the facing direction, only the single protruding portion of the negative terminal protrudes from the laminate exterior body.Type: ApplicationFiled: September 21, 2023Publication date: January 11, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsuhiko SASAKI, Taro MATSUSHITA, Kenta WATANABE, Shotaro ISHIKAWA, Koichiro KISHI
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Publication number: 20220238951Abstract: A load applicator includes an elastic mechanism, a first member configured to move in accordance with contraction of power storage cells, a second member provided on a side opposite to the first member across the elastic mechanism, and a switching device. The elastic mechanism has a first form in which a first restraint load is applied to the power storage module when the power storage module expands by a first dimension, and a second form in which a second restraint load larger than the first restraint load is applied to the power storage module when the power storage module expands by the first dimension. The switching device performs an operation to switch from the first form to the second form in a case where a restraint load smaller than the first restraint load is applied to the power storage module when the power storage module expands by the first dimension.Type: ApplicationFiled: January 20, 2022Publication date: July 28, 2022Inventors: Shotaro ISHIKAWA, Tatsuhiko SASAKI, Koichiro KISHI, Kenta WATANABE
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Patent number: 11298896Abstract: A pressing member is configured to press a portion-to-be-pressed of a continuous-fiber sheet against a recessed surface of a first mold in a state where the continuous-fiber sheet is placed between the first mold and a second mold. A pulling member is configured to bring the continuous-fiber sheet into close contact with the main surface and the recessed surface by pulling a portion of the continuous-fiber sheet located on an outer peripheral side of the portion-to-be-pressed after the pressing member presses the portion-to-be-pressed against the recessed surface.Type: GrantFiled: April 12, 2019Date of Patent: April 12, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasuhiro Ueno, Shotaro Ishikawa, Masataka Asai
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Publication number: 20220085472Abstract: A secondary battery includes an electrode, a positive electrode current collector, a negative electrode current collector, a positive electrode terminal, a negative electrode terminal, and an insulating plate. The positive electrode terminal and the negative electrode terminal each have a main side surface and a sub side surface having an area smaller than that of the main side surface. The positive electrode terminal and the negative electrode terminal are arranged so that the main side surface of the positive electrode terminal and the main side surface of the negative electrode terminal face each other. The insulating plate is arranged between the main side surface of the positive electrode terminal and the main side surface of the negative electrode terminal.Type: ApplicationFiled: August 6, 2021Publication date: March 17, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsuhiko SASAKI, Taro MATSUSHITA, Kenta WATANABE, Shotaro ISHIKAWA, Koichiro KISHI
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Publication number: 20210376421Abstract: A power storage device includes a power storage stack and a housing case. In the power storage stack, a plurality of unit cells and a plurality of spacers are alternately stacked in a first direction. A first support surface of each spacer among the plurality of spacers is angled corresponding to and is in contact with a first tapered surface of the unit cell that is adjacent to the spacer in the first direction. A second support surface of each spacer among the plurality of spacers is angled corresponding to and is in contact with a second tapered surface of the unit cell that is adjacent to the spacer in the first direction. The plurality of spacers are each formed of a thermoplastic resin.Type: ApplicationFiled: May 20, 2021Publication date: December 2, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taro MATSUSHITA, Tadahiro Kondo, Shotaro Ishikawa, Koichiro Kishi, Kenta Watanabe
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Patent number: 11077982Abstract: Strength of a resin case is improved. A continuous fiber sheet includes a bottom surface portion which forms a bottom surface of the resin case, an erected wall portion which is erected from the bottom surface portion and forms a peripheral wall of the resin case, and a stepped portion in which the continuous fiber sheet connecting the bottom surface portion and the erected wall portion to each other is bent like steps along the peripheral wall. A resin member includes a rib portion which is bonded to the stepped portion and extends from the stepped portion toward an outer edge of the resin case.Type: GrantFiled: March 1, 2019Date of Patent: August 3, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shotaro Ishikawa, Yasuhiro Ueno, Masataka Asai
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Publication number: 20190366654Abstract: A pressing member is configured to press a portion-to-be-pressed of a continuous-fiber sheet against a recessed surface of a first mold in a state where the continuous-fiber sheet is placed between the first mold and a second mold. A pulling member is configured to bring the continuous-fiber sheet into close contact with the main surface and the recessed surface by pulling a portion of the continuous-fiber sheet located on an outer peripheral side of the portion-to-be-pressed after the pressing member presses the portion-to-be-pressed against the recessed surface.Type: ApplicationFiled: April 12, 2019Publication date: December 5, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yasuhiro UENO, Shotaro Ishikawa, Masataka Asai
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Publication number: 20190270536Abstract: Strength of a resin case is improved. A continuous fiber sheet includes a bottom surface portion which forms a bottom surface of the resin case, an erected wall portion which is erected from the bottom surface portion and forms a peripheral wall of the resin case, and a stepped portion in which the continuous fiber sheet connecting the bottom surface portion and the erected wall portion to each other is bent like steps along the peripheral wall. A resin member includes a rib portion which is bonded to the stepped portion and extends from the stepped portion toward an outer edge of the resin case.Type: ApplicationFiled: March 1, 2019Publication date: September 5, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shotaro ISHIKAWA, Yasuhiro Ueno, Masataka Asai
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Patent number: 10305113Abstract: A core-shell catalyst with high platinum mass activity for a short period of time. The method for producing a core-shell catalyst may comprise a core containing palladium and a shell containing platinum and coating the core, the method comprising: a step of preparing a copper-coated palladium-containing particle dispersion in which copper-coated palladium-containing particles are dispersed, the particles being palladium-containing particles coated with copper; a step of preparing a platinum ion-containing solution; a step of preparing a microreactor; and a substitution step of forming the shell by substituting the copper on the copper-coated palladium-containing particle surface with platinum by mixing the copper-coated palladium-containing particle dispersion and the platinum ion-containing solution in the microreactor.Type: GrantFiled: June 3, 2015Date of Patent: May 28, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshihiro Hori, Shotaro Ishikawa
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Patent number: 10284865Abstract: An encoding device includes a processor configured to execute a process. The process includes: first calculating, based on a first system rate for encoding data and transmitting the encoded data to a terminal and a second system rate representing a rate for reproducing the data at the terminal, a decoder storage time during which the encoded data received by the terminal is stored; and adding information of the decoder storage time to the encoded data and transmitting the encoded data added with the information to the terminal.Type: GrantFiled: January 19, 2016Date of Patent: May 7, 2019Assignee: FUJITSU LIMITEDInventors: Yousuke Yamaguchi, Shunsuke Kobayashi, Shotaro Ishikawa, Hisayoshi Naito
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Publication number: 20180288444Abstract: A method for detecting abnormality of an encoder includes: executing an acquisition process for acquiring multiplexed data from the encoder that multiplexes encoded data obtained by performing an encoding process for multimedia data including moving picture data and audio data, and outputting the multiplexed encoded data; executing a first detection process for detecting, based on a packet identifier included in each of packets included in the acquired multiplexed data, at least either one of first packet corresponding to the moving picture data and second packet corresponding to the audio data from the multiplexed data; and executing a second detection process for detecting an abnormality of the encoder depending upon whether or not a detection number corresponds to a predetermined number, the detection number indicating at least either one of the number of times of the detecting the first packet and the number of times of the detecting the second packet.Type: ApplicationFiled: February 20, 2018Publication date: October 4, 2018Applicant: FUJITSU LIMITEDInventors: Shotaro ISHIKAWA, Yasutaka Umemoto
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Patent number: 9799889Abstract: A copper-coated palladium-containing particle dispersion in which copper-coated palladium-containing particles, which are obtained by coating surfaces of palladium-containing particles with copper, are dispersed is prepared, a platinum ion-containing solution is prepared, and a shell is formed by mixing the copper-coated palladium-containing particle dispersion and the platinum ion-containing solution with each other in a microreactor to displace copper of the copper-coated palladium-containing particle surfaces with platinum. The microreactor includes at least a first supply flow path, a second supply flow path, a joint portion in which the first supply flow path and the second supply flow path are joined to each other, and a discharge flow path. An orifice portion is provided midway in the discharge flow path. A pressure applied to the orifice portion in the displacement step is 2 MPa or higher.Type: GrantFiled: June 1, 2016Date of Patent: October 24, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Shotaro Ishikawa
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Publication number: 20170229713Abstract: A core-shell catalyst with high platinum mass activity for a short period of time. The method for producing a core-shell catalyst may comprise a core containing palladium and a shell containing platinum and coating the core, the method comprising: a step of preparing a copper-coated palladium-containing particle dispersion in which copper-coated palladium-containing particles are dispersed, the particles being palladium-containing particles coated with copper; a step of preparing a platinum ion-containing solution; a step of preparing a microreactor; and a substitution step of forming the shell by substituting the copper on the copper-coated palladium-containing particle surface with platinum by mixing the copper-coated palladium-containing particle dispersion and the platinum ion-containing solution in the microreactor.Type: ApplicationFiled: June 3, 2015Publication date: August 10, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshihiro HORI, Shotaro ISHIKAWA
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Publication number: 20160359171Abstract: A copper-coated palladium-containing particle dispersion in which copper-coated palladium-containing particles, which are obtained by coating surfaces of palladium-containing particles with copper, are dispersed is prepared, a platinum ion-containing solution is prepared, and a shell is formed by mixing the copper-coated palladium-containing particle dispersion and the platinum ion-containing solution with each other in a microreactor to displace copper of the copper-coated palladium-containing particle surfaces with platinum. The microreactor includes at least a first supply flow path, a second supply flow path, a joint portion in which the first supply flow path and the second supply flow path are joined to each other, and a discharge flow path. An orifice portion is provided midway in the discharge flow path. A pressure applied to the orifice portion in the displacement step is 2 MPa or higher.Type: ApplicationFiled: June 1, 2016Publication date: December 8, 2016Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Shotaro ISHIKAWA
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Patent number: 9489980Abstract: A video/audio synchronization apparatus includes: a decoder configured to decode a frame contained in encoded video data and determine playback time of the frame based on a first clock signal, and decode encoded audio data and determine playback time of an associated audio signal contained in the decoded audio data and to be played back simultaneously with the frame, based on a second clock signal different from the first clock signal; a silent period detector configured to detect a silent period from within the associated audio signal; and an audio timing adjuster configured to reduce a difference between the playback time of the frame and the playback time of the associated audio signal by skipping or repeating a silent period contained within a period of the associated audio signal.Type: GrantFiled: January 19, 2015Date of Patent: November 8, 2016Assignee: FUJITSU LIMITEDInventors: Yosuke Takabayashi, Yasushi Umezaki, Yasuo Misuda, Shotaro Ishikawa
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Publication number: 20160150239Abstract: An encoding device includes a processor configured to execute a process. The process includes: first calculating, based on a first system rate for encoding data and transmitting the encoded data to a terminal and a second system rate representing a rate for reproducing the data at the terminal, a decoder storage time during which the encoded data received by the terminal is stored; and adding information of the decoder storage time to the encoded data and transmitting the encoded data added with the information to the terminal.Type: ApplicationFiled: January 19, 2016Publication date: May 26, 2016Applicant: FUJITSU LIMITEDInventors: Yousuke YAMAGUCHI, Shunsuke KOBAYASHI, Shotaro ISHIKAWA, Hisayoshi NAITO
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Patent number: 9313492Abstract: A moving image encoding device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, obtaining a region motion vector that represents a motion of a region including a block in a first slice, in a case where an encoding object block is included in a block line in a second slice, the block line contacting with a boundary between the first slice and the second slice in an encoding object picture, the encoding object picture being divided into a plurality of slices each of which includes a plurality of blocks; obtaining a motion vector of the encoding object block by using the region motion vector as a first prediction vector of the encoding object block; obtaining a second prediction vector from a motion vector of one or more encoded blocks; and obtaining an encoding result.Type: GrantFiled: March 29, 2013Date of Patent: April 12, 2016Assignee: FUJITSU LIMITEDInventors: Hidenobu Miyoshi, Hisanari Kimura, Shotaro Ishikawa