Patents by Inventor Takashi Tsukada
Takashi Tsukada 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: 11961329Abstract: The disclosure is inputting a first image obtained by capturing an object of authentication moving in a specific direction; inputting a second image at least for one eye obtained by capturing a right eye or a left eye of the object; determining whether the second image is of the left eye or the right eye of the object, based on information including the first image, and outputting a determination result associated with the second image as left/right information; comparing characteristic information relevant to the left/right information, the characteristic information being acquired from a memory that stores the characteristic information of a right eye and a left eye pertaining to object to be authenticated, with characteristic information associated with the left/right information, and calculating a verification score; and authenticating the object captured in the first image and the second image, based on the verification score, and outputting an authentication result.Type: GrantFiled: May 22, 2023Date of Patent: April 16, 2024Assignee: NEC CORPORATIONInventors: Takashi Shibata, Shoji Yachida, Chisato Funayama, Masato Tsukada, Yuka Ogino, Keiichi Chono, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori
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Patent number: 11955211Abstract: A first-aid information provision system of the example embodiments includes: an information display device that includes first capture means for capturing an iris image, code acquisition means for acquiring a code associated with the captured iris image, and code display means for displaying the acquired code; and an information output device that includes second capture means for imaging the code displayed by the information display device, first-aid information acquisition means for acquiring first-aid information about an individual associated with the iris image by using the imaged code, and first-aid information output means for outputting the first-aid information.Type: GrantFiled: October 15, 2018Date of Patent: April 9, 2024Assignee: NEC CORPORATIONInventors: Takashi Shibata, Shoji Yachida, Chisato Funayama, Masato Tsukada, Yuka Ogino, Keiichi Chono, Emi Kitagawa, Yasuhiko Yoshida, Yusuke Mori, Toru Takahashi
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Patent number: 11908650Abstract: An electromagnetic relay includes a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece including first and second contacts, a drive device including a coil, a case, and a magnet. The case includes an accommodation space accommodating the first fixed contact, the second fixed contact, and the movable contact piece, and a first arc extension space at least partially disposed between the coil and the magnet. The magnet is disposed so as to overlap with the coil in a third direction orthogonal to the moving direction and a longitudinal direction of the movable contact piece. The magnet configured to extend a first arc generated between the first fixed contact and the first movable contact and a second arc generated between the second fixed contact and the second movable contact in the longitudinal direction of the movable contact piece.Type: GrantFiled: June 23, 2022Date of Patent: February 20, 2024Assignee: OMRON CORPORATIONInventors: Naoki Kawaguchi, Takeshi Nishida, Kazuki Furukawa, Takashi Tsukada
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Patent number: 11784020Abstract: An electromagnetic relay includes a case, a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece including first and second movable contacts, a first magnet, a gas flow path, and a partition member. The case includes an accommodation space and a side wall covering the accommodation space in a first direction. The accommodation space includes a first space where the first fixed contact is disposed and a second space where the second fixed contact is disposed. The first magnet configured to extend a first arc generated between the first fixed contact and the first movable contact in the first direction. The gas flow path is disposed between the side wall and the movable contact piece. The gas flow path includes an inlet communicating with the first space and an outlet communicating with the second space.Type: GrantFiled: June 8, 2022Date of Patent: October 10, 2023Assignee: OMRON CORPORATIONInventors: Naoki Kawaguchi, Takeshi Nishida, Kazuki Furukawa, Takashi Tsukada
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Patent number: 11764015Abstract: An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a movable contact piece, a movable member, a contact spring, and an electromagnet block. The movable member is configured to move in a moving direction including a first direction and a second direction. The contact spring biases the movable contact piece in the first direction. The electromagnet block includes a movable iron piece and moves the movable member in the moving direction. The movable contact piece and the contact spring are disposed in the movable member by insertion from a side opposite to a side where the electromagnet block is located. The movable member includes a first member constituted by a single member. The first member includes a press portion to be pressed by the movable iron piece in accordance with rotation of the movable iron piece, and a support portion configured to support the movable contact piece.Type: GrantFiled: March 9, 2022Date of Patent: September 19, 2023Assignee: OMRON CORPORATIONInventors: Takeshi Nishida, Kazuki Furukawa, Naoki Kawaguchi, Takashi Tsukada
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Patent number: 11705292Abstract: An electromagnetic relay includes a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece, a case, a drive device, and a first magnet. The movable contact piece includes a first movable contact and a second movable contact. The case includes an accommodation space and a side wall covering the accommodation space in a first direction. The first magnet extends an arc generated between the first fixed contact and the first movable contact in a second direction opposite to the first direction. The first fixed terminal includes a first end. The first end of the first fixed terminal includes a tapered portion inclined in the second direction from the first fixed contact toward the first magnet and that at least partially overlaps with the first magnet when viewed from a moving direction of the movable contact piece.Type: GrantFiled: June 8, 2022Date of Patent: July 18, 2023Assignee: OMRON CORPORATIONInventors: Naoki Kawaguchi, Takeshi Nishida, Kazuki Furukawa, Takashi Tsukada
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Patent number: 11657995Abstract: An electromagnetic relay includes a fixed terminal, a movable contact piece, and a support portion supporting the fixed terminal. The fixed terminal includes a fixed contact, a first terminal portion on which the fixed contact is disposed, a second terminal portion extending from one of both ends of the first terminal portion, a first protrusion disposed on the second terminal portion. The fixed terminal is bent between the first and second terminal portions. The first terminal portion has a first terminal surface opposite to the movable contact piece. The second terminal portion has a second terminal surface connected to the first terminal surface. The support portion has a contact surface contacting the first terminal surface of the first terminal portion, and a first side surface including a first groove where the first protrusion is fitted. The first protrusion is disposed on the second terminal surface of the second terminal portion.Type: GrantFiled: March 9, 2022Date of Patent: May 23, 2023Assignee: OMRON CORPORATIONInventors: Takeshi Nishida, Kazuki Furukawa, Naoki Kawaguchi, Takashi Tsukada
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Publication number: 20230113317Abstract: The production method for a rare-earth sintered magnet according to the present disclosure comprises: a step for producing a molded article by compression-molding a slurry containing a rare-earth element-containing alloy powder and a dispersion medium using a wet-molding device; and a step for sintering the molded article. When the slurry is being poured into the inside of a space forming a cavity of the wet-molding device, a magnetic field is not applied. By pressing of the slurry, the dispersion medium contained in the slurry starts to be removed from the inside of the space.Type: ApplicationFiled: March 11, 2021Publication date: April 13, 2023Inventor: Takashi TSUKADA
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Publication number: 20230008722Abstract: An electromagnetic relay includes a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece including first and second contacts, a drive device including a coil, a case, and a magnet. The case includes an accommodation space accommodating the first fixed contact, the second fixed contact, and the movable contact piece, and a first arc extension space at least partially disposed between the coil and the magnet. The magnet is disposed so as to overlap with the coil in a third direction orthogonal to the moving direction and a longitudinal direction of the movable contact piece. The magnet configured to extend a first arc generated between the first fixed contact and the first movable contact and a second arc generated between the second fixed contact and the second movable contact in the longitudinal direction of the movable contact piece.Type: ApplicationFiled: June 23, 2022Publication date: January 12, 2023Inventors: Naoki KAWAGUCHI, Takeshi NISHIDA, Kazuki FURUKAWA, Takashi TSUKADA
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Publication number: 20220415599Abstract: An electromagnetic relay includes a case, a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece including first and second movable contacts, a first magnet, a gas flow path, and a partition member. The case includes an accommodation space and a side wall covering the accommodation space in a first direction. The accommodation space includes a first space where the first fixed contact is disposed and a second space where the second fixed contact is disposed. The first magnet configured to extend a first arc generated between the first fixed contact and the first movable contact in the first direction. The gas flow path is disposed between the side wall and the movable contact piece. The gas flow path includes an inlet communicating with the first space and an outlet communicating with the second space.Type: ApplicationFiled: June 8, 2022Publication date: December 29, 2022Inventors: Naoki KAWAGUCHI, Takeshi NISHIDA, Kazuki FURUKAWA, Takashi TSUKADA
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Publication number: 20220406547Abstract: An electromagnetic relay includes a first fixed terminal including a first fixed contact, a second fixed terminal including a second fixed contact, a movable contact piece, a case, a drive device, and a first magnet. The movable contact piece includes a first movable contact and a second movable contact. The case includes an accommodation space and a side wall covering the accommodation space in a first direction. The first magnet extends an arc generated between the first fixed contact and the first movable contact in a second direction opposite to the first direction. The first fixed terminal includes a first end. The first end of the first fixed terminal includes a tapered portion inclined in the second direction from the first fixed contact toward the first magnet and that at least partially overlaps with the first magnet when viewed from a moving direction of the movable contact piece.Type: ApplicationFiled: June 8, 2022Publication date: December 22, 2022Inventors: Naoki KAWAGUCHI, Takeshi NISHIDA, Kazuki FURUKAWA, Takashi TSUKADA
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Publication number: 20220406546Abstract: An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a movable contact piece, a case, a magnet, and a gas flow path. The first fixed terminal includes a first fixed contact. The second fixed terminal includes a second fixed contact. The movable contact piece includes a first movable contact and a second movable contact. The case includes an accommodation space where the first fixed contact, the second fixed contact, and the movable contact piece are accommodated, a gas inflow space separate from the accommodation space, and a side wall covering the accommodation space and the gas inflow space in a first direction. The magnet is disposed between the accommodation space and the gas inflow space. The gas flow path is disposed between the side wall of the case and the magnet and is configured to communicate the accommodation space with the gas inflow space.Type: ApplicationFiled: June 8, 2022Publication date: December 22, 2022Inventors: Naoki KAWAGUCHI, Takeshi NISHIDA, Kazuki FURUKAWA, Takashi TSUKADA
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Publication number: 20220293381Abstract: An electromagnetic relay includes a fixed terminal, a movable contact piece, and a support portion supporting the fixed terminal. The fixed terminal includes a fixed contact, a first terminal portion on which the fixed contact is disposed, a second terminal portion extending from one of both ends of the first terminal portion, a first protrusion disposed on the second terminal portion. The fixed terminal is bent between the first and second terminal portions. The first terminal portion has a first terminal surface opposite to the movable contact piece. The second terminal portion has a second terminal surface connected to the first terminal surface. The support portion has a contact surface contacting the first terminal surface of the first terminal portion, and a first side surface including a first groove where the first protrusion is fitted. The first protrusion is disposed on the second terminal surface of the second terminal portion.Type: ApplicationFiled: March 9, 2022Publication date: September 15, 2022Inventors: Takeshi NISHIDA, Kazuki FURUKAWA, Naoki KAWAGUCHI, Takashi TSUKADA
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Publication number: 20220293378Abstract: An electromagnetic relay includes a first fixed terminal, a base, and a magnet. The first fixed terminal includes a first fixed contact. The base holds the first fixed terminal. The base includes a magnet insertion hole disposed in a vicinity of the first fixed contact. The magnet insertion hole has an opening opened toward the first fixed terminal. The magnet is disposed in the magnet insertion hole and is prevented from coming off from the magnet insertion hole by the first fixing terminal.Type: ApplicationFiled: March 9, 2022Publication date: September 15, 2022Inventors: Takashi TSUKADA, Takeshi NISHIDA, Kazuki FURUKAWA, Naoki KAWAGUCHI
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Publication number: 20220293373Abstract: An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a movable contact piece, a movable member, a contact spring, and an electromagnet block. The movable member is configured to move in a moving direction including a first direction and a second direction. The contact spring biases the movable contact piece in the first direction. The electromagnet block includes a movable iron piece and moves the movable member in the moving direction. The movable contact piece and the contact spring are disposed in the movable member by insertion from a side opposite to a side where the electromagnet block is located. The movable member includes a first member constituted by a single member. The first member includes a press portion to be pressed by the movable iron piece in accordance with rotation of the movable iron piece, and a support portion configured to support the movable contact piece.Type: ApplicationFiled: March 9, 2022Publication date: September 15, 2022Inventors: Takeshi NISHIDA, Kazuki FURUKAWA, Naoki KAWAGUCHI, Takashi TSUKADA
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Publication number: 20220293374Abstract: An electromagnetic relay includes a support member, a first fixed terminal, a second fixed terminal, a movable contact piece, a movable member. The support member is made of an insulating material. The first fixed terminal includes a first fixed contact and is supported by the support member. The second fixed terminal includes the second fixed contact and is supported by the support member. The movable contact piece includes a first movable contact and a second movable contact. The movable member is connected to the movable contact piece and includes a first overlapping portion made of an insulating material. The first overlapping portion is disposed between the first fixed terminal and the second fixed terminal. The first overlapping portion overlaps with the support member when viewed from a longitudinal direction of the movable contact piece in an open state where the first movable contact is separated from the first fixed contact.Type: ApplicationFiled: March 9, 2022Publication date: September 15, 2022Inventors: Takashi TSUKADA, Takeshi NISHIDA, Kazuki FURUKAWA, Naoki KAWAGUCHI
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Patent number: 10176921Abstract: The present invention provides a method for producing a rare earth sintered magnet and a molding device therefor that can stably mold molded bodies with less variation in unit weight. The method includes: 1) preparing a slurry including an alloy powder and a dispersion medium, the alloy powder containing a rare earth element; 2) disposing an upper punch and a lower punch in respective through holes provided in a die, thereby preparing a plurality of cavities; 3) applying a magnetic field in each of the cavities by an electromagnet in a direction substantially parallel to a direction in which at least one of the upper punch and the lower punch is movable, and then supplying the slurry into the plurality of cavities; 4) producing a molded body of the alloy powder in each of the cavities by press molding in the magnetic field; and 5) sintering the molded body.Type: GrantFiled: August 12, 2013Date of Patent: January 8, 2019Assignee: HITACHI METALS LTD.Inventors: Takashi Tsukada, Takuya Nansaka, Satoru Kikuchi
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Patent number: 10090102Abstract: The present invention provides a method for producing a rare earth sintered magnet and a molding device therefor that can stably mold molded bodies with less variation in unit weight. The method includes: 1) preparing a slurry that includes an alloy powder containing a rare earth element, and a dispersion medium; 2) disposing an upper punch and a lower punch in respective through holes provided in a die, thereby preparing a plurality of cavities; 3) applying a magnetic field in each of the cavities by an electromagnet in a direction substantially parallel to a direction in which at least one of the upper punch and the lower punch is movable, and then supplying the slurry into the plurality of cavities; 4) producing a molded body of the alloy powder in each of the cavities by press molding in the magnetic field; and 5) sintering the molded body.Type: GrantFiled: August 12, 2013Date of Patent: October 2, 2018Assignee: HITACHI METALS, LTD.Inventors: Takashi Tsukada, Takuya Nansaka, Satoru Kikuchi
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Patent number: 10020113Abstract: The present invention provides a method for producing a long and large-sized rare earth sintered magnet having a large size in a magnetic field application direction in which a single magnet body in each portion has uniform and high magnetic characteristics. Disclosed is a method for producing a rare earth sintered magnet, including particular steps of: 1) preparing a slurry; 2) preparing a cavity that is enclosed with a mold, an upper punch and a lower punch; 3) applying a magnetic field of 1.5 T or more in the cavity, and supplying the slurry at a flow rate of 20 to 600 cm3/second, to fill the cavity with the slurry; 4) producing a molded body of the alloy powder by press molding in the magnetic field; and 5) sintering the molded body.Type: GrantFiled: June 25, 2013Date of Patent: July 10, 2018Assignee: HITACHI METALS, LTD.Inventors: Takashi Tsukada, Takuya Nansaka, Satoru Kikuchi
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Patent number: 9884177Abstract: A connecter assembly includes a male connecter and a female connecter that are connected to each other. The male connecter includes a connecter main body; an engagement member including a support portion which fixedly supports the connecter main body, a plurality of claw portions, and a plurality of slit portions; and a lock member disposed outside the engagement member and including a plurality of ribs that are slidably insertable into each of the plurality of slit portions of the engagement member. The female connecter includes a main body portion including: a plurality of flange portions protruding in a radially outward direction so as to be engagable with each of the plurality of claw portions of the engagement member, and a plurality of non-flange portions that are disposed between the plurality of flange portions, and when compared to the flange portion, bulged in a radially outward direction.Type: GrantFiled: September 23, 2013Date of Patent: February 6, 2018Assignee: TERUMO KABUSHIKI KAISHAInventors: Yasuhiro Ueda, Takashi Tsukada