Patents by Inventor Yoshiaki Ichikawa
Yoshiaki Ichikawa 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: 20160099448Abstract: A cylindrical battery housing case has a plurality of cylindrical battery housing chambers each housing one cylindrical battery, and a plurality of elongated resilient members each having a protrusion for holding a cylindrical portion of the cylindrical battery is formed in a cantilevered manner inside notches in a side wall of each of the cylindrical battery housing chambers.Type: ApplicationFiled: December 11, 2015Publication date: April 7, 2016Inventors: Tomohiro Ikeda, Yoshiaki Ichikawa, Hirotaka Mukasa, Taishi Sakai
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Publication number: 20150380713Abstract: TASK: Provided is a connection member which has a fusing characteristic as a fuse and which is able to efficiently absorb/disperse stresses relative to those displacements in three-dimensional directions between a storage element and the connection member which are caused due to vibration or the like. MEANS OF SOLVING THE PROBLEM: A connection member is a connection member configured to electrically connect respective storage elements to each other in a power storage device constituted by a plurality of storage elements. The connection member includes: a substrate; and a plurality of connecting portions connected to electrodes of the respective storage elements and configured to cut off electric connection with the storage elements by fusing at the time when a current of a predetermined value or more flows therein. The connecting portion is formed by performing punching on the substrate and includes at least two bent portions bent in a punching direction.Type: ApplicationFiled: January 23, 2014Publication date: December 31, 2015Applicants: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kenji KIMURA, Katsunori SATO, Tomohiro IKEDA, Yoshiaki ICHIKAWA, Hirotaka MUKASA, Taishi SAKAI
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Publication number: 20150372268Abstract: A duct holding structure includes insulating resin busbar modules (11a, 11b) which are attached to a battery assembly body (2) in which plural batteries (1) are arranged and connected to each other in series, and hold busbars (9) each of which connects electrodes of adjoining ones of the batteries (1); and an insulating resin duct (3) which is attached to the battery assembly body (2) while covering gas vents that are formed through an electrode surface (6) from which the electrodes of the batteries (1) project. The duct (3) and the busbar modules (11a, 11b) are provided with lock mechanisms (23) which lock the busbar modules (11a, 11b) on the duct (3).Type: ApplicationFiled: March 17, 2014Publication date: December 24, 2015Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, YAZAKI CORPORATIONInventors: Yoshiaki ICHIKAWA, Koji KOIZUMI, Takenori TSUCHIYA
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Patent number: 9114763Abstract: A battery pack includes a main battery pack and a sub-battery pack. Each of the main battery pack and the sub-battery pack includes a power supply including a plurality of unit cells, a service plug connector including shutoff terminals of the power supply, and an output connector including output terminals of the power supply. The output connector is in a form of a connector capable of being mated with the service plug connector and a power supply connector of a vehicle.Type: GrantFiled: December 27, 2012Date of Patent: August 25, 2015Assignee: YAZAKI CORPORATIONInventor: Yoshiaki Ichikawa
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Patent number: 8802984Abstract: A junction block (40) includes a generally rectangular flat plate portion (42) attached to a side surface of an assembled battery. A control device (50) is disposed over a portion of the flat plate portion (42) which includes a middle of the flat plate portion (42) and which is positionally biased toward a lower side end of the flat plate portion (42). A connector-connecting portion (47) is provided in one of the four corners of the flat plate portion (42) that is a rear end corner of an upper side end opposite the lower side end of the flat plate portion (42). A rib (48) and a connector-connecting portion (49) are provided at a location on the flat plate portion (42) at which the rib (4) and the connector-connecting portion (49) clamp the electric power cable (28) that is connected to the connector-connecting portion (47) and that is laid along the upper side of the flat plate portion (42).Type: GrantFiled: June 29, 2010Date of Patent: August 12, 2014Assignees: Toyota Jidosha Kabushiki Kaisha, Yazaki CorporationInventors: Akihiro Kosaki, Masaaki Iwabe, Kenji Iida, Yoshinobu Furuya, Yoshiaki Ichikawa
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Publication number: 20140212732Abstract: Disclosed is a bus bar module and a power source unit capable of reducing manufacturing cost thereof. A bus bar module (1) includes a plurality of bus bars (3) arranged in line so as to connect a plurality of batteries (3) in series; a plurality of housings (50) housing each of the bus bars (3) and each including a placement part (51) on which each of the bus bar (3) is placed; a pair of opposite walls (52) upstanding from the placement, part (51) and opposed to each other, a continuing wall (52) continuous wish the pair of opposite walls (52), and an opening (54) located opposed to the continuing wall (53); and a flat circuit board (4) connected to each of the bus bars (3) and arranged in an arrangement direction X of the bus bars (3), the flat circuit board (4) being, with a width direction thereof along an upstanding direction of the pair of opposite walls (52), attached to the housings (50) so as to cover the opening (54).Type: ApplicationFiled: January 13, 2014Publication date: July 31, 2014Applicant: YAZAKI CORPORATIONInventors: Yoshiaki Ichikawa, Hiroyuki Kato, Yoshikazu Ezuka
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Patent number: 8426056Abstract: A power supply device, which is simply assembled and in which a cell assembly and a measuring section are freely inserted and detached, is provided. A power supply device 1 includes a cell assembly 2, a plurality of first bus bars 51, a plate 3 to which the plurality of bus bars 51 are attached. The plate is overlapped on the cell assembly 2. The cell assembly 2 has a plurality of cells 21 respectively including positive electrodes 23 at one ends and negative electrodes 24 at the other ends. The first bus bars 51 connect the positive electrodes 23 of the one cells 21 to the negative electrodes 24 of the other cells 21 of the cell assembly 2 which are mutually adjacent when the plate 3 is overlapped or overlaid on the cell assembly 2.Type: GrantFiled: July 17, 2008Date of Patent: April 23, 2013Assignees: Yazaki Corporation, Toyota Jidosha Kabushiki KaishaInventors: Tomohiro Ikeda, Takao Shoji, Shinichi Yanagihara, Yoshiaki Ichikawa, Shigeyuki Ogasawara, Kazuhisa Meguro, Yasuyoshi Fukao, Junta Katayama
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Publication number: 20120092846Abstract: A junction block (40) includes a generally rectangular flat plate portion (42) attached to a side surface of an assembled battery. A control device (50) is disposed over a portion of the flat plate portion (42) which includes a middle of the flat plate portion (42) and which is positionally biased toward a lower side end of the flat plate portion (42). A connector-connecting portion (47) is provided in one of the four corners of the flat plate portion (42) that is a rear end corner of an upper side end opposite the lower side end of the flat plate portion (42). A rib (48) and a connector-connecting portion (49) are provided at a location on the flat plate portion (42) at which the rib (4) and the connector-connecting portion (49) clamp the electric power cable (28) that is connected to the connector-connecting portion (47) and that is laid along the upper side of the flat plate portion (42).Type: ApplicationFiled: June 29, 2010Publication date: April 19, 2012Inventors: Akihiro Kosaki, Masaaki Iwabe, Kenji Iida, Yoshinobu Furuya, Yoshiaki Ichikawa
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Publication number: 20120009447Abstract: A power supply device, which is simply assembled and in which a cell assembly and a measuring section are freely inserted and detached, is provided. A power supply device 1 includes a cell assembly 2, a plurality of first bus bars 51, a plate 3 to which the plurality of bus bars 51 are attached. The plate is overlapped on the cell assembly 2. The cell assembly 2 has a plurality of cells 21 respectively including positive electrodes 23 at one ends and negative electrodes 24 at the other ends. The first bus bars 51 connect the positive electrodes 23 of the one cells 21 to the negative electrodes 24 of the other cells 21 of the cell assembly 2 which are mutually adjacent when the plate 3 is overlapped or overlaid on the cell assembly 2.Type: ApplicationFiled: July 17, 2008Publication date: January 12, 2012Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, YAZAKI CORPORATIONInventors: Tomohiro Ikeda, Takao Shoji, Shinichi Yanagihara, Yoshiaki Ichikawa, Shigeyuki Ogasawara, Kazuhisa Meguro, Yasuyoshi Fukao, Junta Katayama
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Patent number: 8072725Abstract: A connection unit includes a first relay connected between a first electrode of a first battery and a first power feed line towards a vehicle load, a second relay connected between a second electrode of the first battery and a second power feed line towards the vehicle load, a third relay and a current limiting resistor connected in series between the second electrode of the first battery and the second power feed line, a fourth relay connected between an electrode of a second battery having a polarity identical to the polarity of the first electrode and the first power feed line towards the vehicle load, and a conductor line connecting an electrode of the second battery having a polarity identical to the polarity of the second electrode with the second electrode of the first battery. There can be provided a connection unit suppressed in the number of components, suitable for usage in a vehicle incorporating a plurality of power storage devices, and a vehicle incorporating the connection unit.Type: GrantFiled: November 16, 2009Date of Patent: December 6, 2011Assignees: Toyota Jidosha Kabushiki Kaisha, Yazaki Corporation, Toyota Boshoku Kabushiki KaishaInventors: Akihiro Kosaki, Masaaki Iwabe, Kenji Iida, Yoshinobu Furuya, Yoshiaki Ichikawa
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Patent number: 7871723Abstract: A power source device includes a battery assembly which includes a plurality of batteries each having a positive electrode at one end and a negative electrode at the other end, a plurality of connecting members, each of which connects the positive electrode of one battery and the negative electrode of the other battery of the battery assembly, the one and the other batteries adjoining each other, and a plate to which the connecting members are attached, and the plate adapted to the battery assembly. The battery assembly and the plate include a positioning section that relatively positions the battery assembly and the plate. The battery assembly and the plate include a plate displacement section that displaces the plate so that the connecting members relatively abut against the corresponding positive electrodes and negative electrodes of the battery assembly when the plate is mounted on the battery assembly.Type: GrantFiled: August 22, 2008Date of Patent: January 18, 2011Assignees: Yazaki Corporation, Toyota Jidosha Kabushiki KaishaInventors: Tomohiro Ikeda, Takao Shoji, Shinichi Yanagihara, Yoshiaki Ichikawa, Kazuhisa Meguro, Yasuyoshi Fukao
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Publication number: 20100323236Abstract: A power supply apparatus is equipped an assembled battery, a case that accommodates the assembled battery, and a connecting mechanism that is attached to an outside of the case, wherein the connecting mechanism connects two selected cells. The connecting mechanism includes a fixation portion and a disconnection portion. The fixation portion includes a first conductive plate that is directly connected to a positive electrode terminal of one of the two selected cells, and a second conductive plate that is directly connected to a negative electrode terminal of the other of the two selected cells, wherein the fixation portion is attached to the case. The disconnection portion is removable from the fixation portion, electrically connects the first conductive plate to the second conductive plate when attached to the fixation portion, and electrically disconnects the first conductive plate from the second conductive plate when removed from the fixation portion.Type: ApplicationFiled: June 22, 2010Publication date: December 23, 2010Inventors: Akihiro KOSAKI, Kenji Iida, Masaaki Iwabe, Yoshiaki Ichikawa, Tomohiro Ikeda
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Patent number: 7766232Abstract: An operation for a chemical of indefinite form is managed so that operation record of the chemical is traceable. An IC tag (3) is attached to various containers (4a to 4c ) each holding a chemical, and a chemical ID to identify the chemical held in each of the containers (4a to 4c) is stored in the IC tag (3). When an operation involving a mass change or a change of composition information is carried out, such as apportioning, mixing, reacting, and separating, while the containers (4a to 4c) serve as receivers of the chemical, a record management apparatus (1) newly generates a chemical ID, and a IC tag terminal (2) updates the chemical ID in the IC tag (3) to the new chemical ID. In addition, the record management apparatus (1) manages a correspondence between the chemical ID stored in the IC tag (3) (old chemical ID) and the chemical ID newly stored in the IC tag (3) (new chemical ID).Type: GrantFiled: February 1, 2007Date of Patent: August 3, 2010Assignee: Hitachi, Ltd.Inventors: Yoshiaki Ichikawa, Shiro Kobayashi
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Patent number: 7761264Abstract: An evaluation implementation of an environmental load includes a design plan information comparing part for extracting a difference in parts structure, material, or process between a plurality of product design plans stored in a design plan information storing part, an environmental load evaluation value comparing part for calculating a difference in environmental load evaluation value between a plurality of product design plans, from which differences in parts structure, material, or process have been extracted by the design plan information comparing means part, using the environmental load evaluation value comparing part, and a display part for displaying the difference in parts structure, material, or process between the plurality of product design plans calculated by the design plan information comparing part, and the differences in the environmental load evaluation values calculated by the design plan comparing part using the environmental load evaluation value comparing part.Type: GrantFiled: December 27, 2005Date of Patent: July 20, 2010Assignee: Hitachi, Ltd.Inventors: Miyako Hotta, Tomotoshi Ishida, Yoshiaki Ichikawa
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Publication number: 20100123989Abstract: A connection unit includes a first relay connected between a first electrode of a first battery and a first power feed line towards a vehicle load, a second relay connected between a second electrode of the first battery and a second power feed line towards the vehicle load, a third relay and a current limiting resistor connected in series between the second electrode of the first battery and the second power feed line, a fourth relay connected between an electrode of a second battery having a polarity identical to the polarity of the first electrode and the first power feed line towards the vehicle load, and a conductor line connecting an electrode of the second battery having a polarity identical to the polarity of the second electrode with the second electrode of the first battery. There can be provided a connection unit suppressed in the number of components, suitable for usage in a vehicle incorporating a plurality of power storage devices, and a vehicle incorporating the connection unit.Type: ApplicationFiled: November 16, 2009Publication date: May 20, 2010Applicants: Toyota Jidosha Kabushiki Kaisha, Yazaki Corporation, Toyota Boshoku Kabushiki KaishaInventors: Akihiro Kosaki, Masaaki Iwabe, Kenji Iida, Yoshinobu Furuya, Yoshiaki Ichikawa
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Patent number: 7711592Abstract: A system is configured by a movement record acquiring unit that acquires a cargo movement record through data communication with a communication apparatus included in a transportation means to store the cargo movement record into a cargo movement record database, a load amount identifying unit that identifies cargos having the overlapping periods between the loading time and unloading time and transported by the same transportation means among the cargos to store a load record into a load record database, an average load amount calculating unit that calculates an average value of the past load amount in the loading period as an average load amount, an energy consumption calculating unit that calculates the energy consumption of each cargo, and an output processing unit that outputs the energy consumption of each cargo to an output interface.Type: GrantFiled: April 5, 2007Date of Patent: May 4, 2010Assignee: Hitachi, Ltd.Inventors: Yohei Kawabe, Yoshiaki Ichikawa
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Patent number: 7630857Abstract: An environmental information aggregating apparatus for transmitting information on an environmental aspect having a stratum structure to an external apparatus, includes: a storage unit for storing, in correspondence with an aspect identifier for identifying the environmental aspect, measured aspect information including a measured value of the environmental aspect and a measurement time, and transmission conversion information including a coefficient for converting a numerical value of the environmental aspect in accordance with a unit system of the external apparatus and an aspect identifier for identifying the environmental aspect at the external apparatus; and a calculating/processing unit for converting the measured value in the measured aspect information by using the coefficient in the transmission conversion information, generating aspect information including a conversion result value, the aspect identifier of the external apparatus in the transmission conversion information, and transmitting the geneType: GrantFiled: November 29, 2007Date of Patent: December 8, 2009Assignee: Hitachi, Ltd.Inventors: Keisuke Shogano, Setsuo Kawakami, Yoshiaki Ichikawa
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Patent number: 7536239Abstract: A chemical substance total management system aids for reduction of release and transferring amount of managing substances in business entities. The system retrieves releasing and transferring amount record relating to predetermined managing substance on the basis of total tabulation link information with correlation between the tabulation result record managing releasing and transferring amount of managing substance per releasing and transferring destination and releasing and transferring amount record to be a source generating tabulation result record.Type: GrantFiled: September 14, 2007Date of Patent: May 19, 2009Assignee: Hitachi, Ltd.Inventors: Yoshiaki Ichikawa, Takako Oono, Akira Sekine, Tetsuya Matsui, Kiyomi Funabashi
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Patent number: 7532946Abstract: A chemical substance total management system aids for reduction of release and transferring amount of managing substances in business entities. The system retrieves releasing and transferring amount record relating to predetermined managing substance on the basis of total tabulation link information with correlation between the tabulation result record managing releasing and transferring amount of managing substance per releasing and transferring destination and releasing and transferring amount record to be a source generating tabulation result record.Type: GrantFiled: September 14, 2007Date of Patent: May 12, 2009Assignee: Hitachi, Ltd.Inventors: Yoshiaki Ichikawa, Takako Oono, Akira Sekine, Tetsuya Matsui, Kiyomi Funabashi
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Publication number: 20090053591Abstract: A power source device includes a battery assembly which includes a plurality of batteries each having a positive electrode at one end and a negative electrode at the other end, a plurality of connecting members, each of which connects the positive electrode of one battery and the negative electrode of the other battery of the battery assembly, the one and the other batteries adjoining each other, and a plate to which the connecting members are attached, and the plate adapted to the battery assembly. The battery assembly and the plate include a positioning section that relatively positions the battery assembly and the plate. The battery assembly and the plate include a plate displacement section that displaces the plate so that the connecting members relatively abut against the corresponding positive electrodes and negative electrodes of the battery assembly when the plate is mounted on the battery assembly.Type: ApplicationFiled: August 22, 2008Publication date: February 26, 2009Applicants: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomohiro IKEDA, Takao SHOJI, Shinichi YANAGIHARA, Yoshiaki ICHIKAWA, Kazuhisa MEGURO, Yasuyoshi FUKAO