Patents by Inventor Akito Sakai
Akito Sakai 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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Patent number: 11988692Abstract: A current sensor includes a plurality of individual sensors and a wiring case. Each of the individual sensors includes an electrical-conduction member through which a measurement current to be measured flows, a magnetoelectric converter and an insulating sensor housing. The magnetoelectric converter converts a measurement magnetic field caused by a flow of the measurement current into an electric signal. The sensor housing accommodates the electrical-conduction member and the magnetoelectric converter therein. The wiring case is larger than the sensor housing. The wiring case includes an insulating integrated housing in which the plurality of individual sensors is fixed, and an input/output wiring disposed in the integrated housing and electrically connected to the megnetoelectric converter of each of the plurality of individual sensors.Type: GrantFiled: July 14, 2022Date of Patent: May 21, 2024Assignee: DENSO CORPORATIONInventors: Hiroaki Miwa, Akito Sasaki, Ryosuke Sakai, Takuma Esaka, Tatsuaki Sugito
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Patent number: 11966248Abstract: An operation device includes an operating portion to receive a push-in operation, a lessening member to lessen tilt movement of the operating portion associated with the push-in operation, a supporting portion to support the lessening member, a base portion on which the supporting portion is provided, and at least one placement portion that is provided on the base portion, includes a placing surface to place an end portion of the lessening member, and holds the lessening member on the base portion by the placing surface and the supporting portion in a preparation stage for assembling the operating portion to the base portion.Type: GrantFiled: March 7, 2023Date of Patent: April 23, 2024Assignee: KABUSHIKI KAISHA TOKAI RIKA DENKI SEISAKUSHOInventors: Akito Ishihara, Yuki Sakai, Yosuke Naito, Renya Watanabe, Yutaka Okuda
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Patent number: 11953526Abstract: A current sensor includes a wiring board, a shield, an insulating sensor housing, and a shield adhesive. The wiring board and the shield are accommodated in the sensor housing. The sensor housing has a shield support part to support the shield, and a shield adhesion part. An application surface of the shield adhesion part is further from the shield than a contact surface of the shield support part. The shield is mounted on the contact surface of the shield support part, and the shield adhesive is disposed between the application surface of the shield adhesion part and the shield. The shield and the wiring board are aligned with and spaced from each other in the sensor housing.Type: GrantFiled: June 27, 2022Date of Patent: April 9, 2024Assignee: DENSO CORPORATIONInventors: Akito Sasaki, Ryosuke Sakai, Hiroaki Miwa, Takeshi Tsukamoto, Hiroshi Nomura, Takuma Esaka, Tatsuaki Sugito
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Patent number: 11683985Abstract: A thermoelectric conversion element is made of a material with a band structure having Weyl points in the vicinity of Fermi energy. The thermoelectric conversion element has a thermoelectric mechanism for generating electromotive force by the anomalous Nernst effect. A thermoelectric conversion device includes a substrate; and a power generator provided on the substrate and including a plurality of thermoelectric conversion elements. Each of the plurality of thermoelectric conversion elements has a shape extending in one direction, and is made of a material identical to that of the above-mentioned thermoelectric conversion element. The plurality of thermoelectric conversion elements is arranged in parallel to one another in a direction perpendicular to the one direction and electrically connected in series to one another in a serpentine shape.Type: GrantFiled: July 3, 2018Date of Patent: June 20, 2023Assignee: THE UNIVERSITY OF TOKYOInventors: Satoru Nakatsuji, Akito Sakai
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Publication number: 20220246820Abstract: A thermoelectric conversion element is made of: a first material with a stoichiometric composition of Fe3X where X is a main-group or a transition element; a second material with an off-stoichiometric composition in which a composition ratio of Fe to X deviates from that of the first material; a third material obtained by substituting part of Fe sites in the first material or part of Fe sites in the second material by a main-group metal or a transition element other than X; a fourth material with a composition of Fe3M11-xM2x (0<x<1) where M1 and M2 are different main-group elements; or a fifth material obtained by substituting part of Fe sites in the first material by a transition element other than X and substituting part of X sites in the first material by a main-group metal element other than X. The first to the fifth materials exhibit an anomalous Nernst effect.Type: ApplicationFiled: April 27, 2020Publication date: August 4, 2022Inventors: Satoru Nakatsuji, Akito Sakai, Tomoya Higo
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Publication number: 20200212282Abstract: A thermoelectric conversion element is made of a material with a band structure having Weyl points in the vicinity of Fermi energy. The thermoelectric conversion element has a thermoelectric mechanism for generating electromotive force by the anomalous Nernst effect. A thermoelectric conversion device includes a substrate; and a power generator provided on the substrate and including a plurality of thermoelectric conversion elements. Each of the plurality of thermoelectric conversion elements has a shape extending in one direction, and is made of a material identical to that of the above-mentioned thermoelectric conversion element. The plurality of thermoelectric conversion elements is arranged in parallel to one another in a direction perpendicular to the one direction and electrically connected in series to one another in a serpentine shape.Type: ApplicationFiled: July 3, 2018Publication date: July 2, 2020Inventors: Satoru Nakatsuji, Akito Sakai
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Publication number: 20100291130Abstract: Embodiments described herein include nucleic acid sequences, which encode hepatitis C virus of strain HC-TN, genotype 1a, proteins and polypeptides and fragments thereof. Use of these compositions, and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV are also contemplated.Type: ApplicationFiled: December 14, 2009Publication date: November 18, 2010Applicants: OF HEALTH AND HUMAN SERVICESInventors: Jens Bukh, Robert H. Purcell, Suzanne U. Emerson, Akito Sakai, Patrizia Farci
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Patent number: 7678569Abstract: Embodiments described herein include nucleic acid sequences, which encode hepatitis C virus of strain HC-TN, genotype 1a, proteins and polypeptides and fragments thereof. Use of these compositions, and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV are also contemplated.Type: GrantFiled: April 2, 2008Date of Patent: March 16, 2010Assignee: The United States of America as represented by the Department of Health and Human ServicesInventors: Jens Bukh, Robert H. Purcell, Suzanne U. Emerson, Akito Sakai
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Publication number: 20090252755Abstract: Embodiments described herein include nucleic acid sequences, which encode hepatitis C virus of strain HC-TN, genotype 1a, proteins and polypeptides and fragments thereof. Use of these compositions, and diagnostics for HCV and in the development of screening assays for the identification of antiviral agents for HCV are also contemplated.Type: ApplicationFiled: April 2, 2008Publication date: October 8, 2009Inventors: Jens Bukh, Robert H. Purcell, Suzanne U. Emerson, Akito Sakai
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Patent number: 7056507Abstract: An adsorbent for removing hepatitis C virus which has the ability to adsorb HCV particles, particularly immune-complex HCV particles, from a patient's body blood safely and with high efficiency and high selectivity for enhancing the efficacy of interferon therapy, an HCV adsorption apparatus including said adsorbent, and a adsorbing method for removing HCV are provided. An adsorbent for removing hepatitis C virus which comprises a compound capable of adsorbing hepatitis C virus as immobilized on a water-insoluble carrier, an adsorption apparatus including said adsorbent, and an adsorbing method for removing HCV.Type: GrantFiled: June 11, 2003Date of Patent: June 6, 2006Assignee: Kaneka CorporationInventors: Eiji Ogino, Michio Nomura, Takashi Asahi, Shuichi Kaneko, Akito Sakai
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Publication number: 20040006214Abstract: An adsorbent for removing hepatitis C virus which has the ability to adsorb HCV particles, particularly immune-complex HCV particles, from a patient's body blood safely and with high efficiency and high selectivity for enhancing the efficacy of interferon therapy, an HCV adsorption apparatus including said adsorbent, and a adsorbing method for removing HCV are provided.Type: ApplicationFiled: June 11, 2003Publication date: January 8, 2004Applicant: Kaneka CorporationInventors: Eiji Ogino, Michio Nomura, Takashi Asahi, Shuichi Kaneko, Akito Sakai
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Patent number: 6600014Abstract: An adsorbent for removing hepatitis C virus which has the ability to adsorb HCV particles, particularly immune-complex HCV particles, from a patient's body blood safely and with high efficiency and high selectivity for enhancing the efficacy of interferon therapy, an HCV adsorption apparatus including said adsorbent, and a adsorbing method for removing HCV are provided. An adsorbent for removing hepatitis C virus which comprises a compound capable of adsorbing hepatitis C virus as immobilized on a water-insoluble carrier, an adsorption apparatus including said adsorbent, and an adsorbing method for removing HCV.Type: GrantFiled: November 9, 1999Date of Patent: July 29, 2003Assignee: Kaneka CorporationInventors: Eiji Ogino, Michio Nomura, Takashi Asahi, Shuichi Kaneko, Akito Sakai
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Publication number: 20030044769Abstract: An adsorbent for removing hepatitis C virus which has the ability to adsorb HCV particles, particularly immune-complex HCV particles, from a patient's body blood safely and with high efficiency and high selectivity for enhancing the efficacy of interferon therapy, an HCV adsorption apparatus including said adsorbent, and a adsorbing method for removing HCV are provided.Type: ApplicationFiled: November 9, 1999Publication date: March 6, 2003Inventors: EIJI OGINO, MICHIO NOMURA, TAKASHI ASAHI, SHUICHI KANEKO, AKITO SAKAI
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Patent number: 5988305Abstract: A hood structure for absorbing an impact applied to a hood of an automotive vehicle at collision has: a hood outer panel for closing an engine room; at least one impact absorb body disposed under the hood outer panel, for absorbing the impact applied to the hood when deformed; and an engine disposed under the impact absorb body, for stopping the deformed impact absorb body. Here, to reduce head injury criterion (HIC) effectively at a shortest possible stoke of the hood outer panel, an impact energy absorption rate of the impact absorb body and a total hollow gap formed between the hood outer panel and the engine are both determined in such a way that an impact energy generated at collision can be absorbed in accordance with an ideal impact energy absorption waveform Cm representative of an ideal relationship between reaction force and stroke of the deformed hood outer panel.Type: GrantFiled: October 2, 1997Date of Patent: November 23, 1999Assignee: Nissan Motor Co., Ltd.Inventors: Akito Sakai, Masanobu Yoshioka
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Patent number: 5706908Abstract: A hood structure for absorbing an impact applied to a hood (31) of an automotive vehicle at collision has: a hood outer panel (33) for closing an engine room (35); at least one impact absorb body (43) disposed under the hood outer panel, for absorbing the impact applied to the hood when deformed; and an engine (37) disposed under the impact absorb body, for stopping the deformed impact absorb body. Here, to reduce head injury criterion (HIC) effectively at a shortest possible stoke of the hood outer panel, an impact energy absorption rate of the impact absorb body and a total hollow gap formed between the hood outer panel (33) and the engine (37) are both determined in such a way that an impact energy generated at collision can be absorbed in accordance with an ideal impact energy absorption waveform Cm representative of an ideal relationship between reaction force (F) and stroke (S) of the deformed hood outer panel.Type: GrantFiled: April 12, 1995Date of Patent: January 13, 1998Assignee: Nissan Motor Co., Ltd.Inventors: Akito Sakai, Masanobu Yoshioka
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Patent number: 5222758Abstract: A structure for supporting a vehicle suspension unit to a floor panel of a vehicle includes a rear side member secured to a longitudinally extending side portion of the floor panel and a rear cross member secured to a laterally extending portion of the floor panel. The rear cross member has at a side end portion thereof an opening. A collar has a through bore mated with the opening. An upper reinforcing member is secured to the collar, the rear side member and the rear cross member. A lower reinforcing member is secured to the collar and the rear cross member. A suspension supporting bolt has a serrated portion which is so sized as to fit into the through bore of the collar. The suspension supporting bolt is secured to the collar by thrusting the serrated portion into the through bore of the collar. The suspension supporting bolt passes through the collar and the opening and is secured to the vehicle suspension unit.Type: GrantFiled: June 12, 1991Date of Patent: June 29, 1993Assignees: Nissan Motor Co., Ltd., Yorozu CorporationInventors: Akito Sakai, Kunihiro Nishihara