Patents by Inventor Daizo Nishioka
Daizo Nishioka 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: 20240427089Abstract: A connector adapter for coupling cables together. The connector adapter has a housing, ports formed within the housing, and at least one extension that is attached to the first lateral side of the housing and extends away from the housing. A first subset of ports is formed on a first lateral side of the housing, and a second subset of ports is formed on a second lateral side of the housing. The first extension supports and guides a connector attached to one of the cables into one of the first subset of the ports during insertion of the connector therein. The first subset of ports extends into the housing, towards the second subset of ports. The second subset of ports extends into the housing, towards the first subset of ports.Type: ApplicationFiled: June 21, 2024Publication date: December 26, 2024Inventors: Guilherme Doro Roncoleta, Daizo Nishioka
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Publication number: 20240385407Abstract: A package for an optical fiber includes: a base portion; a plurality of protruding portions that protrude from a flat surface of the base portion, are arranged along an outer periphery of the base portion, and are configured so that an optical fiber including a connector mounted to at least one end thereof is wound along a part of an outer periphery of each of the protruding portions; a mounting portion to which the connector of the optical fiber is to be mounted; and a plurality of fall-off preventing portions that are formed integrally with the base portion and capable of restricting a position of the optical fiber to be wound over the plurality of protruding portions.Type: ApplicationFiled: July 26, 2024Publication date: November 21, 2024Applicant: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Junji FUKUI, Yoshikyo TAMEKUNI, Takahiro INABA, Yoshihiro TAKEYAMA, Daizo NISHIOKA, Hisahiko NARUKAWA, Yuji MATSUMOTO, Shinsuke SATO, Tuan Nghia DUONG
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Patent number: 12111508Abstract: A package for an optical fiber includes: a base portion; a plurality of protruding portions that protrude from a flat surface of the base portion, are arranged along an outer periphery of the base portion, and are configured so that an optical fiber including a connector mounted to at least one end thereof is wound along a part of an outer periphery of each of the protruding portions; a mounting portion to which the connector of the optical fiber is to be mounted; and a plurality of fall-off preventing portions that are formed integrally with the base portion and capable of restricting a position of the optical fiber to be wound over the plurality of protruding portions.Type: GrantFiled: April 16, 2021Date of Patent: October 8, 2024Assignee: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Junji Fukui, Yoshikyo Tamekuni, Takahiro Inaba, Yoshihiro Takeyama, Daizo Nishioka, Hisahiko Narukawa, Yuji Matsumoto, Shinsuke Sato, Tuan Nghia Duong
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Patent number: 11500162Abstract: A cap for an optical connector adaptor, including: a base portion including a first surface and a second surface provided on an opposite side of the first surface; a grip portion formed by protruding from the first surface of the base portion; a fitting portion configured to protrude from the second surface of the base portion and to be fitted to an optical connector adapter; and a cover portion that is formed over the whole outer periphery of the base portion, in which the second surface includes a contact surface where the optical connector adapter and the cap for an optical connector adaptor contact each other, and in which the cover portion is configured to surround the contact surface from the outer periphery of the base portion.Type: GrantFiled: December 4, 2020Date of Patent: November 15, 2022Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Takahiro Inaba, Yoshikyo Tamekuni, Daizo Nishioka, Motoyoshi Kimura
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Publication number: 20220350103Abstract: A package for an optical fiber includes: a base portion; a plurality of protruding portions that protrude from a flat surface of the base portion, are arranged along an outer periphery of the base portion, and are configured so that an optical fiber including a connector mounted to at least one end thereof is wound along a part of an outer periphery of each of the protruding portions; a mounting portion to which the connector of the optical fiber is to be mounted; and a plurality of fall-off preventing portions that are formed integrally with the base portion and capable of restricting a position of the optical fiber to be wound over the plurality of protruding portions.Type: ApplicationFiled: April 16, 2021Publication date: November 3, 2022Applicant: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Junji FUKUI, Yoshikyo TAMEKUNI, Takahiro INABA, Yoshihiro TAKEYAMA, Daizo NISHIOKA, Hisahiko NARUKAWA, Yuji MATSUMOTO, Shinsuke SATO, Tuan Nghia DUONG
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Patent number: 11409053Abstract: An optical connector including a housing body having a ferrule, an outer housing, a latch, and a tab is disclosed. The latch extends from a proximal end toward a front end of the optical connector and includes an engaging part at a distal end. The tab is placed on an outer side of the latch, movable with respect to the outer housing, and pushes down the engaging part toward the housing body according to movement of the tab. The distal end of the latch floats to space apart from the housing body. A first protrusion is disposed on an inner side of the tab. The optical connector is configured to contact an inner side of the latch with the first protrusion to push down the engaging part toward the housing body with the first protrusion as a fulcrum when the engaging part is engaged with the external device.Type: GrantFiled: January 15, 2021Date of Patent: August 9, 2022Assignees: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takahiro Inaba, Yoshikyo Tamekuni, Daizo Nishioka, Yoshihiro Takeyama, Mitsumasa Seita
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Publication number: 20220155534Abstract: A connector extracting jig according to an embodiment is a connector extracting jig for extracting an optical connector connected to a component to be connected along a connection direction from the component to be connected, the optical connector including a latch engaged with the component to be connected, the latch having a protrusion which is can be pushed down, and the protrusion releasing the engagement of the latch with the component to be connected when being pushed down, the connector extracting jig including: a butting part configured to butt on the optical connector in the connection direction; and a pushing-down part configured to be positioned closer to the component to be connected than the butting part and face the protrusion along a first direction intersecting the connection direction when the butting part butts on the optical connector.Type: ApplicationFiled: February 2, 2022Publication date: May 19, 2022Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Daizo NISHIOKA, Yohei AOSHIMA
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Patent number: 11320593Abstract: An optical fiber cleaver includes: a body unit on which an optical fiber extending in a first direction is loaded; a lid unit connected to the body unit to be rotatable and openable; a pair of retainers arranged to be separate from each other in the first direction and retain the optical fiber between the pair of retainers when the lid unit is closed with respect to the body unit; a blade member that comes into contact with the optical fiber from one direction side of a second direction intersecting the first direction between the pair of retainers and hurt the optical fiber; and a movement unit that brings the blade member into contact with the optical fiber from the one direction side of the second direction and move the blade member to one direction side of a third direction intersecting the first direction and the second direction.Type: GrantFiled: December 11, 2018Date of Patent: May 3, 2022Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD.Inventors: Motoyoshi Kimura, Daizo Nishioka, Yusuke Takai, Kazuyuki Miwa, Tsuyoshi Imaizumi
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Patent number: 11287584Abstract: A connector extracting jig according to an embodiment is a connector extracting jig for extracting an optical connector connected to a component to be connected along a connection direction from the component to be connected, the optical connector including a latch engaged with the component to be connected, the latch having a protrusion which is can be pushed down, and the protrusion releasing the engagement of the latch with the component to be connected when being pushed down, the connector extracting jig including: a butting part configured to butt on the optical connector in the connection direction; and a pushing-down part configured to be positioned closer to the component to be connected than the butting part and face the protrusion along a first direction intersecting the connection direction when the butting part butts on the optical connector.Type: GrantFiled: April 25, 2019Date of Patent: March 29, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Daizo Nishioka, Yohei Aoshima
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Patent number: 11237342Abstract: A fiber optic connector with a rotatable housing integrated with a connection member for converting the connector from a first polarity to a second polarity, and a manipulator assembly comprising the rotatable housing and a locking member movable between a locked position and an unlocked position, the manipulator assembly being coupled to the connection member such that the manipulator assembly and the connection member rotate conjointly about the axis of rotation, and when in locked position connector polarity cannot be changed.Type: GrantFiled: June 28, 2019Date of Patent: February 1, 2022Assignee: Senko Advanced Components, Inc.Inventors: Kenji Iizumi, Kazuyoshi Takano, Yohei Aoshima, Daizo Nishioka, Man Ming Ho
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Publication number: 20210255400Abstract: An optical connector including a housing body having a ferrule, an outer housing, a latch, and a tab is disclosed. The latch extends from a proximal end toward a front end of the optical connector and includes an engaging part at a distal end. The tab is placed on an outer side of the latch, movable with respect to the outer housing, and pushes down the engaging part toward the housing body according to movement of the tab. The distal end of the latch floats to space apart from the housing body. A first protrusion is disposed on an inner side of the tab. The optical connector is configured to contact an inner side of the latch with the first protrusion to push down the engaging part toward the housing body with the first protrusion as a fulcrum when the engaging part is engaged with the external device.Type: ApplicationFiled: January 15, 2021Publication date: August 19, 2021Applicants: SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takahiro INABA, Yoshikyo TAMEKUNI, Daizo NISHIOKA, Yoshihiro TAKEYAMA, Mitsumasa SEITA
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Publication number: 20210173152Abstract: A cap for an optical connector adaptor, including: a base portion including a first surface and a second surface provided on an opposite side of the first surface; a grip portion formed by protruding from the first surface of the base portion; a fitting portion configured to protrude from the second surface of the base portion and to be fitted to an optical connector adapter; and a cover portion that is formed over the whole outer periphery of the base portion, in which the second surface includes a contact surface where the optical connector adapter and the cap for an optical connector adaptor contact each other, and in which the cover portion is configured to surround the contact surface from the outer periphery of the base portion.Type: ApplicationFiled: December 4, 2020Publication date: June 10, 2021Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.Inventors: Takahiro INABA, Yoshikyo TAMEKUNI, Daizo NISHIOKA, Motoyoshi KIMURA
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Publication number: 20210080652Abstract: An optical fiber cleaver includes: a body unit on which an optical fiber extending in a first direction is loaded; a lid unit connected to the body unit to be rotatable and openable; a pair of retainers arranged to be separate from each other in the first direction and retain the optical fiber between the pair of retainers when the lid unit is closed with respect to the body unit; a blade member that comes into contact with the optical fiber from one direction side of a second direction intersecting the first direction between the pair of retainers and hurt the optical fiber; and a movement unit that brings the blade member into contact with the optical fiber from the one direction side of the second direction and move the blade member to one direction side of a third direction intersecting the first direction and the second direction.Type: ApplicationFiled: December 11, 2018Publication date: March 18, 2021Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD.Inventors: Motoyoshi KIMURA, Daizo NISHIOKA, Yusuke TAKAI, Kazuyuki MIWA, Tsuyoshi IMAIZUMI
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Patent number: 10866365Abstract: An optical connector includes: a ferrule; a mechanical splice mechanically connecting an optical fiber to a shorter fiber; an optical fiber holder fixing the optical fiber in position; a joint member connecting the mechanical splice to the optical fiber holder; a housing accommodating the ferrule and the mechanical splice therein; a rear body accommodating at least a part of the optical fiber holder; and a coil spring urging the mechanical splice toward the front. The joint member is arranged in at least one of the housing and the rear body. The rear body has a guide wall to guide the optical fiber into the mechanical splice, and the guide wall is arranged between the mechanical splice and the optical fiber holder and has a tapered inner wall surface expanding from the mechanical splice toward the fiber holder.Type: GrantFiled: December 21, 2017Date of Patent: December 15, 2020Assignees: JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Mitsumasa Seita, Daizo Nishioka
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Publication number: 20200341214Abstract: A connector extracting jig according to an embodiment is a connector extracting jig for extracting an optical connector connected to a component to be connected along a connection direction from the component to be connected, the optical connector including a latch engaged with the component to be connected, the latch having a protrusion which is can be pushed down, and the protrusion releasing the engagement of the latch with the component to be connected when being pushed down, the connector extracting jig including: a butting part configured to butt on the optical connector in the connection direction; and a pushing-down part configured to be positioned closer to the component to be connected than the butting part and face the protrusion along a first direction intersecting the connection direction when the butting part butts on the optical connector.Type: ApplicationFiled: April 25, 2019Publication date: October 29, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Daizo NISHIOKA, Yohei AOSHIMA
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Publication number: 20200192048Abstract: An inner component used for a fan-out cord includes a first fixing portion that fixes a reinforcing tube that accommodates a plurality of optical fibers and a tension fiber, at least one second fixing portion that fixes a plurality of reinforcing tubes each of which accommodates at least one of the plurality of optical fibers, and an accommodation portion that accommodates the plurality of optical fibers exposed from the reinforcing tubes between the first fixing portion and the at least one second fixing portion.Type: ApplicationFiled: December 16, 2019Publication date: June 18, 2020Applicant: SEI Optifrontier Co., Ltd.Inventors: Yohei AOSHIMA, Daizo NISHIOKA, Yoshikyo TAMEKUNI
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Patent number: 10663664Abstract: A coating removal tool includes a base part and a cover part, to remove a coating of an optical fiber by overlapping the cover part and the base part. The base part and the cover part are made of resin, and include at least a pair of coating removal blades including a base front blade portion provided on the base part and a cover front blade portion provided on the cover part. The base part includes a V-groove which sandwiches the optical fiber in either one or both of a front and rear of the optical fiber in the longitudinal direction and the cover part includes a V-groove which sandwiches the optical fiber and is provided on a side where the V-groove exists in the front and rear of the longitudinal direction in a state where the cover part and the base part are overlapped.Type: GrantFiled: July 27, 2017Date of Patent: May 26, 2020Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Daizo Nishioka, Motoyoshi Kimura, Yusuke Takai
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Publication number: 20200003963Abstract: A fiber optic connector with a rotatable housing integrated with a connection member for converting the connector from a first polarity to a second polarity, and a manipulator assembly comprising the rotatable housing and a locking member movable between a locked position and an unlocked position, the manipulator assembly being coupled to the connection member such that the manipulator assembly and the connection member rotate conjointly about the axis of rotation, and when in locked position connector polarity cannot be changed.Type: ApplicationFiled: June 28, 2019Publication date: January 2, 2020Inventors: Kenji IIZUMI, Kazuyoshi TAKANO, Yohei AOSHIMA, Daizo NISHIOKA, Man Ming HO
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Publication number: 20190384011Abstract: An optical connector includes: a ferrule; a mechanical splice mechanically connecting an optical fiber to a shorter fiber; an optical fiber holder fixing the optical fiber in position; a joint member connecting the mechanical splice to the optical fiber holder; a housing accommodating the ferrule and the mechanical splice therein; a rear body accommodating at least a part of the optical fiber holder; and a coil spring urging the mechanical splice toward the front. The joint member is arranged in at least one of the housing and the rear body. The rear body has a guide wall to guide the optical fiber into the mechanical splice, and the guide wall is arranged between the mechanical splice and the optical fiber holder and has a tapered inner wall surface expanding from the mechanical splice toward the fiber holder.Type: ApplicationFiled: December 21, 2017Publication date: December 19, 2019Applicants: Japan Communication Accessories Manufacturing Co., Ltd., Sumitomo Electric Industries, Ltd.Inventors: Mitsumasa SEITA, Daizo NISHIOKA
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Publication number: 20190187377Abstract: A coating removal tool includes a base part and a cover part, to remove a coating of an optical fiber by overlapping the cover part and the base part. The base part and the cover part are made of resin, and include at least a pair of coating removal blades including a base front blade portion provided on the base part and a cover front blade portion provided on the cover part. The base part includes a V-groove which sandwiches the optical fiber in either one or both of a front and rear of the optical fiber in the longitudinal direction and the cover part includes a V-groove which sandwiches the optical fiber and is provided on a side where the V-groove exists in the front and rear of the longitudinal direction in a state where the cover part and the base part are overlapped.Type: ApplicationFiled: July 27, 2017Publication date: June 20, 2019Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Daizo NISHIOKA, Motoyoshi KIMURA, Yusuke TAKAI