Patents Assigned to Nichicon Corporation
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Patent number: 11942275Abstract: The insulating plate has a swelling protruding in a first direction that is a direction a first plate portion toward a second plate portion. The swelling is formed integral with the insulating plate. The first plate portion has a first fitting part protruding in the first direction and formed integral with this plate portion. The first fitting part is fitted, in the first direction, onto one surface side of the swelling of the insulating plate. The second plate portion has a second fitting part protruding in the first direction and formed integral with this plate portion. The second fitting part is fitted, in a second direction opposite to the first direction, onto the other surface side of the swelling.Type: GrantFiled: March 4, 2021Date of Patent: March 26, 2024Assignee: Nichicon CorporationInventors: Takashi Mori, Yasuyuki Murakami
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Patent number: 11901129Abstract: The insulating member is integrated with only one of the busbars by insert molding in which one of opposing plate members in either one of the busbars is used as an insert target. The insulating member includes an insulation active portion, a reinforcing portion and a connecting portion. The insulation active portion is disposed on a back-surface side of one of the opposing plate portions and is interposed between the back-surface side and the other one of the opposing plate portions. The reinforcing portion is disposed on the front-surface side of the one of the opposing plate portions. The connecting portion serves to connect the insulation active portion and the reinforcing portion into an integral unit.Type: GrantFiled: March 11, 2021Date of Patent: February 13, 2024Assignee: NICHICON CORPORATIONInventors: Takashi Mori, Yasuyuki Murakami
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Publication number: 20230067135Abstract: A wireless electrical power supply apparatus 100 includes a first electrical power supply unit 101, a second electrical power supply unit 104, voltage control circuits 113 and 123 configured to control a first voltage difference between a first input voltage E1 and a first output voltage E2 during forward power transmission and a second voltage difference between a second input voltage E2 and a second output voltage E1 during reverse power transmission, a second switching control circuit 121, 122 configured to turn off a second transistor Q2 during the forward power transmission and thereby cause a second diode D2 to perform rectification, and a first switching control circuit 111, 112 configured to turn off a first transistor Q1 during the reverse power transmission and thereby cause a first diode D1 to perform rectification.Type: ApplicationFiled: November 9, 2022Publication date: March 2, 2023Applicants: Nichicon Corporation, JOSHO GAKUEN EDUCATIONAL FOUNDATIONInventors: Hideki OMORI, Masahito TSUNO, Masashi YAMAGUCHI
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Patent number: 11527915Abstract: A wireless electrical power supply apparatus 100 includes a first electrical power supply unit 101, a second electrical power supply unit 104, voltage control circuits 113 and 123 configured to control a first voltage difference between a first input voltage E1 and a first output voltage E2 during forward power transmission and a second voltage difference between a second input voltage E2 and a second output voltage E1 during reverse power transmission, a second switching control circuit 121, 122 configured to turn off a second transistor Q2 during the forward power transmission and thereby cause a second diode D2 to perform rectification, and a first switching control circuit 111, 112 configured to turn off a first transistor Q1 during the reverse power transmission and thereby cause a first diode D1 to perform rectification.Type: GrantFiled: November 1, 2019Date of Patent: December 13, 2022Assignees: Nichicon Corporation, Josho Gakuen Educational FoundationInventors: Hideki Omori, Masahito Tsuno, Masashi Yamaguchi
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Publication number: 20220230808Abstract: A capacitor includes a capacitor element, a pair of bus bars, and an insulating member. The capacitor element includes a positive electrode surface and a negative electrode surface. The pair of bus bars includes a positive electrode bus bar that is connected to the positive electrode surface of the capacitor element and a negative electrode bus bar that is connected to the negative electrode surface, A plate-shaped insulating member is disposed between the positive electrode bus bar and the negative electrode surface. A part of the insulating member is inserted into a bus bar through-hole provided in the positive electrode bus bar.Type: ApplicationFiled: April 4, 2022Publication date: July 21, 2022Applicants: DENSO CORPORATION, NICHICON CORPORATIONInventors: Yuuki OGAWA, Hiroaki IMI, Yasuyuki MURAKAMI
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Publication number: 20220223342Abstract: A capacitor includes: a capacitor element; a pair of bus bars; a capacitor case; and a sealing member. The capacitor element includes a pair of electrode surfaces. Each of the pair of bus bars is connected to a corresponding one of the pair of electrode surfaces. The capacitor element and the pair of bus bars are arranged in the capacitor case. The sealing member is charged in the capacitor case. The sealing member seals the capacitor element. The capacitor case includes a rib extended from a part of the capacitor case to an inside of the capacitor case. One of the pair of bus bars serves as a fixing bus bar, the fixing bus bar includes a direct fixing portion to be directly fixed to the rib.Type: ApplicationFiled: March 31, 2022Publication date: July 14, 2022Applicants: DENSO CORPORATION, NICHICON CORPORATIONInventors: Ryota HIYOSHI, Hiroaki IMI, Yasuyuki MURAKAMI
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Publication number: 20220037926Abstract: A wireless electrical power supply apparatus 100 includes a first electrical power supply unit 101, a second electrical power supply unit 104, voltage control circuits 113 and 123 configured to control a first voltage difference between a first input voltage E1 and a first output voltage E2 during forward power transmission and a second voltage difference between a second input voltage E2 and a second output voltage E1 during reverse power transmission, a second switching control circuit 121, 122 configured to turn off a second transistor Q2 during the forward power transmission and thereby cause a second diode D2 to perform rectification, and a first switching control circuit 111, 112 configured to turn off a first transistor Q1 during the reverse power transmission and thereby cause a first diode D1 to perform rectification.Type: ApplicationFiled: November 1, 2019Publication date: February 3, 2022Applicants: Nichicon Corporation, JOSHO GAKUEN EDUCATIONAL FOUNDATIONInventors: Hideki OMORI, Masahito TSUNO, Masashi YAMAGUCHI
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Patent number: 10672565Abstract: An aluminum electrolytic capacitor includes: an exterior case of a bottomed cylindrical shape for accommodating a capacitor element in which an anode foil and a cathode foil are wound in an overlapping manner with a separator interposed therebetween; and an elastic sealing member for sealing an opening of the exterior case, wherein the exterior case is formed with, on an outer circumferential surface, a plurality of tapered concave portions whose depth in the radial direction becomes shallow from the bottomed cylindrical bottom toward the opening side, whereby a tapered raised portion, which is raised toward the center side in the radial direction, is formed on an inner circumferential surface located on the back surface of the concave portion, and the capacitor element is abutted and supported by the raised portion.Type: GrantFiled: April 11, 2017Date of Patent: June 2, 2020Assignee: NICHICON CORPORATIONInventors: Takaya Sakai, Mitsuru Yoneda, Kazuhiro Yasukawa, Yuichi Kanayama, Shingo Sakata
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Patent number: 10586656Abstract: A pressure valve to be arranged in a seal member sealing a casing in which a capacitor element is housed, the pressure valve having a base end positioned within the case and a tip positioned outside the case. The pressure valve includes a tapered portion having a tapered shape. At the top portion of the tapered portion, there is formed a slit able to undergo a state change between a close-state and an open-state by elastic deformation. When the casing internal pressure is less than a certain value, the slit maintains the close-state. When the casing internal pressure has reached the certain value, the slit undergoes a state change to the open-state, whereby the inside and outside of the case communicate with each other and the internal pressure is released from within the case.Type: GrantFiled: October 7, 2016Date of Patent: March 10, 2020Assignee: NICHICON CORPORATIONInventors: Mitsuru Yoneda, Takaya Sakai, Kenta Kawanishi, Kazuya Yamanaka
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Patent number: 10343539Abstract: A power supply device including vehicle connecting portions, a load connecting portion, a power supply portion, a memory portion for storing the number of charges and discharges for each storage-battery-equipped vehicle, and a supply control portion for performing control such that the power supply portion performs a discharge operation only on a selected supply vehicle. The supply control portion selects as the supply vehicle one of the storage-battery-equipped vehicles that satisfies a first condition that an SOC of a storage battery is greater than or equal to a prescribed value and a second condition that the number of charges and discharges is not the highest among the storage-battery-equipped vehicles.Type: GrantFiled: August 29, 2016Date of Patent: July 9, 2019Assignee: NICHICON CORPORATIONInventors: Hiroyuki Sumimura, Shigeo Ohkuma, Yuki Katayama
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Patent number: 10300802Abstract: A charging system 1 including a charging apparatus 10 and a data base 20, the charging apparatus 10 including a power supply unit 11, a control unit 12, and a plurality of charging connectors 13-1 to 13-3 compliant with different charging standards. When authentication of identification information succeeds, the control unit 12 determines a charging standard on the basis of vehicle information of the data base 20 and when the authentication of the identification information fails, determines a charging standard on the basis of vehicle information input by a user. Further, the control unit 12 unlocks a charging connector compliant with the determined charging standard and notifies of unlocking.Type: GrantFiled: June 21, 2016Date of Patent: May 28, 2019Assignee: NICHICON CORPORATIONInventors: Yuki Katayama, Ryosuke Koguchi, Hiroyuki Sumimura, Masaya Nishi
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Patent number: 10093193Abstract: Provided is a charging system that causes usage conditions of chargers to be more equalized than before. A charging system includes a plurality of chargers. A controller of a first charger requests second chargers to output assistance power to a power sharing cable based on second charger information regarding the second charger when charge request from an electrically-powered vehicle connected to a charging port of the first charger exceeds output power capacity of a charging portion.Type: GrantFiled: September 30, 2016Date of Patent: October 9, 2018Assignee: NICHICON CORPORATIONInventors: Shigeo Ohkuma, Ryota Kinomura
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Patent number: 10040364Abstract: A charging apparatus includes a plurality of charging ports; a charging portion configured to output charge current to the charging ports; an input portion configured to receive selection of a user among a plurality of charge patterns prepared in advance including a charge-history-dependent charge pattern to determine the charge current based on charge history information regarding a charge history of the electrically-powered vehicle; a selection result storing portion configured to store a result of the selection; a history information storing portion configured to store the charge history information of the electrically-powered vehicles connected to any of the charging ports; and a controller configured to refer to the selection result storing portion, control the charging portion in accordance with a selected charge pattern, the controller configured to determine priorities of the electrically-powered vehicles based on the charge history information when the charge-history-dependent charge pattern is selecType: GrantFiled: October 28, 2016Date of Patent: August 7, 2018Assignee: NICHICON CORPORATIONInventors: Masaya Nishi, Shigeo Ohkuma
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Publication number: 20170334305Abstract: Provided is a power supply device capable of switching power sources and thereby continuously supplying electricity to a load. Included are vehicle connecting portions 1-1, 1-2, and 1-3, a load connecting portion 2, a power supply portion 3, a memory portion 12 for storing the number of charges and discharges for each storage-battery-equipped vehicle, A, B, or C, and a supply control portion 13 for performing control such that the power supply portion 3 performs a discharge operation only on a selected supply vehicle. The supply control portion 13 selects as the supply vehicle one of the storage-battery-equipped vehicles A to C that satisfies a first condition that an SOC of a storage battery is greater than or equal to a prescribed value and a second condition that the number of charges and discharges is not the highest among the storage-battery-equipped vehicles.Type: ApplicationFiled: August 29, 2016Publication date: November 23, 2017Applicant: NICHICON CORPORATIONInventors: Hiroyuki SUMIMURA, Shigeo OHKUMA, Yuki KATAYAMA
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Patent number: 9819218Abstract: A power conditioner system includes a power-generation power conditioner 30 for connecting a power generation equipment 11 to a grid 12 and a power-storage power conditioner 50 for connecting a power storage equipment 13 to the grid 12, wherein the power conditioner 30 includes an independent-power-generation output unit 34 for outputting, separately from power supply to the grid 12, power based on power of the power generation equipment 11, and the power conditioner 50 includes an independent-power-storage output unit 54 for outputting, separately from power supply to the grid 12, power based on power in the power storage equipment 13. The power conditioner 50 supplies at least one of AC power based on the output of the independent-power-generation output unit 34, AC power based on the output of the independent-power-storage output unit 54, and system power of the grid 12, to an independent output system 62 having a predetermined load.Type: GrantFiled: September 25, 2012Date of Patent: November 14, 2017Assignees: KYOCERA CORPORATION, NICHICON CORPORATIONInventors: Tomihiro Oguchi, Tomonari Kusunose, Masaomi Satake
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Publication number: 20170182902Abstract: A charging system 1 including a charging apparatus 10 and a data base 20, the charging apparatus 10 including a power supply unit 11, a control unit 12, and a plurality of charging connectors 13-1 to 13-3 compliant with different charging standards. When authentication of identification information succeeds, the control unit 12 determines a charging standard on the basis of vehicle information of the data base 20 and when the authentication of the identification information fails, determines a charging standard on the basis of vehicle information input by a user. Further, the control unit 12 unlocks a charging connector compliant with the determined charging standard and notifies of unlocking.Type: ApplicationFiled: June 21, 2016Publication date: June 29, 2017Applicant: NICHICON CORPORATIONInventors: Yuki KATAYAMA, Ryosuke KOGUCHI, Hiroyuki SUMIMURA, Masaya NISHI
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Patent number: 9496096Abstract: The present application provides a capacitor in which the operability of the pressure valve, and valve deformation during operation, can be stabilized. A capacitor (1) comprising: a capacitor element (6) obtained by overlapping and winding a positive electrode foil (8) and a negative electrode foil (7) with an electrolytic paper (9) interposed therebetween, and impregnating the foils with an electrolytic solution; a bottomed cylindrical outer case (4) for housing the capacitor element (6); and a sealing body (2) for sealing the opening of the outer case (4). The inner bottom part of the outer case (4) has formed thereon a recess (21) having: a first inclined surface (22) spreading in a radial manner from the center region of the inner bottom part, the center region being the deepest part; and a second inclined surface (23) which is continuous from the outer edge of the first inclined surface (22) and which is steeper than the first inclined surface (22).Type: GrantFiled: December 18, 2012Date of Patent: November 15, 2016Assignee: NICHICON CORPORATIONInventors: Mitsuru Yoneda, Naoya Maruyama
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Patent number: 9443663Abstract: The present application provides an electric double-layer capacitor capable of reducing an internal resistance without exerting a large stress on a positive electrode body, a negative electrode body, and separators. The electric double-layer capacitor according to the present invention is obtained by housing a capacitor element impregnated with an electrolytic solution in a case. The capacitor element is obtained by stacking and winding a positive electrode body, separators, and a negative electrode body. The positive electrode body has positive electrode current collector tabs fixed on positive electrode current collectors. The negative electrode body has negative electrode current collector tabs fixed on negative electrode current collectors. The paired positive electrode current collector tab are displaced from each other and the paired negative electrode tabs are displaced from each other in a state where the positive electrode body and the negative electrode body are not wound.Type: GrantFiled: July 20, 2012Date of Patent: September 13, 2016Assignee: NICHICON CORPORATIONInventor: Katsunori Yokoshima
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Patent number: 9299502Abstract: A pressure valve is made of gas-permeable flexible material, and an actuation portion and a supporter are formed integrally with each other. The actuation portion includes a thin portion and a thick portion provided in an outer region of the thin portion and having a thickness greater than that of the thin portion. When viewed from the direction of the thickness of the actuation portion, the thin portion has a cross-like shape, and the outer edge of the thin portion is shaped to include a plurality of first arcs each protruding toward the inside of the thin portion, and a plurality of second arcs each protruding toward the outside of the thin portion.Type: GrantFiled: June 26, 2013Date of Patent: March 29, 2016Assignee: NICHICON CORPORATIONInventor: Takeshi Yasuzaka
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Publication number: 20150325383Abstract: The present application provides a capacitor in which the operability of the pressure valve, and valve deformation during operation, can be stabilized. A capacitor (1) comprising: a capacitor element (6) obtained by overlapping and winding a positive electrode foil (8) and a negative electrode foil (7) with an electrolytic paper (3) interposed therebetween, and impregnating the foils with an electrolytic solution; a bottomed cylindrical outer case (4) for housing the capacitor element (6); and a sealing body (2) for sealing the opening of the outer case (4). The inner bottom part of the outer case (4) has formed thereon a recess (21) having: a first inclined surface (22) spreading in a radial manner from the center region of the inner bottom part, the center region being the deepest part; and a second inclined surface (23) which is continuous from the outer edge of the first inclined surface (22) and which is steeper than the first inclined surface (22).Type: ApplicationFiled: December 18, 2012Publication date: November 12, 2015Applicant: NICHICON CORPORATIONInventors: Mitsuru YONEDA, Naoya MARUYAMA