Patents by Inventor Kenji IIZUMI
Kenji IIZUMI 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: 20220091344Abstract: The fiber optic adapter according to the present disclosure may include an adapter housing defining a channel to receive a fiber optic connector having one or more ferrules, and a first shutter and a second shutter attached to opposing sidewalls of the adapter housing. Each of the first and second shutters have a first member and a second member. The first member is configured to extend into the channel. the first members of the first and second shutters are sized and shaped to cooperatively close the channel. At least one of the first member is resiliently movable upon insertion of the fiber optic connector into the channel to open the channel. The fiber optic adapter may prevent the entry of the dust and other debris.Type: ApplicationFiled: September 22, 2021Publication date: March 24, 2022Applicant: Senko Advanced Components, Inc.Inventors: Kenji IIZUMI, Kazuyoshi TAKANO
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Patent number: 11275217Abstract: A field installable fiber optic connector is formed without the need to splice two opposing optical fibers together. A ferrule flange assembly with one or more crimp zones secures an optical fiber therein. The assembly is secured within a plug frame housing that has a bias spring, both secured therein by an extender cap. A cable retainer with at least two wings secures the optical cable when a retainer nut is screwed onto a backpost of the extender cap.Type: GrantFiled: June 25, 2020Date of Patent: March 15, 2022Assignee: Senko Advanced Components, Inc.Inventors: Kenji Iizumi, Kazuyoshi Takano
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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: 20210349270Abstract: An optical connector assembly having a connector housing with a first and second end. First end accepts a ferrule assembly, and second end accepts a retention assembly. There is a longitudinal bore from a distal to proximal end of connector. Bore accepts a POF optical fiber therein at distal end and fiber is inserted proximally until fiber bottoms-out at proximal end of ferrule. Retention body accepts one or more retention caps, or retention body contains at least one retention wing set to secure fiber to connector.Type: ApplicationFiled: July 20, 2021Publication date: November 11, 2021Inventors: Kazumasa OKADA, Yuichi TSUJITA, Keita = KIYOSHIMA, Kenji IIZUMI, Yuki NISHIGUCHI, Kazuyoshi TAKANO
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Publication number: 20210341681Abstract: Reduced-profile connection components are described. The reduced-profile connection components are configured to connect various data transmission elements, including cables, network devices, and computing devices. A non-limiting example of a connection component includes a fiber optic connection component, including connectors, adapters, and assemblies formed therefrom. In some embodiments, the connection components may include mechanical transfer (MT) and multi-fiber push-on/pull-off (MPO) connection components, such as MT ferrules and MPO adapters. The reduced-profile connection components configured according to some embodiments have a smaller profile and/or require less parts to achieve a connection compared to conventional connection components. In some embodiments, the reduced-profile connection components may be used with conventional connection components. For example a reduced-profile connector may use a conventional MT ferrule to establish a connection within a conventional MPO adapter.Type: ApplicationFiled: July 15, 2021Publication date: November 4, 2021Inventors: Kazuyoshi TAKANO, Kenji IIZUMI
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Patent number: 11131814Abstract: Connector assemblies are described herein. For example, a connector assembly including: a housing configured to accept a first ferrule and a second ferrule. The connector assembly may also have a latch component that is removably connected to the housing. The connector may furthermore include a push-pull tab removably connected to the housing and configured to move horizontally along the outer surface of housing when a biasing force is applied in at least one of a forward direction and a rearward direction. Accordingly, the push-pull tab can compress the latch component when moving horizontally along the housing, and an inverted ramp at a proximal end of the push/pull, the ramp aides in depressing the latch downward to release the connector from a receptacle.Type: GrantFiled: April 15, 2020Date of Patent: September 28, 2021Assignee: Senko Advanced Components, Inc.Inventors: Kenji Iizumi, Kazuyoshi Takano, Man Ming Ho
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Publication number: 20210286135Abstract: A micro connector kit includes first and second ferrules and first and second micro connector ferrule housings. Each first and second micro connector ferrule housing defines a cavity sized and shaped to receive a respective one of the first and second ferrules with the first and second ferrules being disposed in closely spaced relation with the respective first or second micro connector ferrule housing when in each cavity. The first and second micro connector ferrule housings can be releasably coupled together such that the first and second ferrules form an optical connection when the first and second micro connector ferrule housings are coupled together. The first and second micro connector ferrule housings have first and second connection structure for releasably coupling the first and second micro connector housings together.Type: ApplicationFiled: March 9, 2021Publication date: September 16, 2021Applicant: Senko Advanced Components, Inc.Inventors: Kenji IIZUMI, Kazuyoshi TAKANO, Ryo KONNO
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Publication number: 20210286136Abstract: A micro connector kit includes first and second ferrules and first and second micro connector ferrule housings. Each first and second micro connector ferrule housing defines a cavity sized and shaped to receive a respective one of the first and second ferrules with the first and second ferrules being disposed in closely spaced relation with the respective first or second micro connector ferrule housing when in each cavity. The first and second micro connector ferrule housings can be releasably coupled together such that the first and second ferrules form an optical connection when the first and second micro connector ferrule housings are coupled together. The first and second micro connector ferrule housings have first and second connection structure for releasably coupling the first and second micro connector housings together.Type: ApplicationFiled: March 11, 2021Publication date: September 16, 2021Applicant: Senko Advanced Components, Inc.Inventors: Kenji Iizumi, Kazuyoshi Takano, Ryo Konno
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Publication number: 20210263228Abstract: Reduced-profile connection components are described. The reduced-profile connection components are configured to connect various data transmission elements, including cables, network devices, and computing devices. A non-limiting example of a connection component includes a fiber optic connection component, including connectors, adapters, and assemblies formed therefrom. In some embodiments, the connection components may include mechanical transfer (MT) and multi-fiber push-on/pull-off (MPO) connection components, such as MT ferrules and MPO adapters. The reduced-profile connection components configured according to some embodiments have a smaller profile and/or require less parts to achieve a connection compared to conventional connection components. In some embodiments, the reduced-profile connection components may be used with conventional connection components. For example a reduced-profile connector may use a conventional MT ferrule to establish a connection within a conventional MPO adapter.Type: ApplicationFiled: May 11, 2021Publication date: August 26, 2021Inventors: Kazuyoshi TAKANO, Kenji IIZUMI
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Patent number: 11099334Abstract: An optical connector assembly having a connector housing with a first and second end. First end accepts a ferrule assembly, and second end accepts a retention assembly. There is a longitudinal bore from a distal to proximal end of connector. Bore accepts a POF optical fiber therein at distal end and fiber is inserted proximally until fiber bottoms-out at proximal end of ferrule. Retention body accepts one or more retention caps, or retention body contains at least one retention wing set to secure fiber to connector.Type: GrantFiled: August 5, 2019Date of Patent: August 24, 2021Assignees: Senko Advanced Components, Inc., Nitto Denko CorporationInventors: Kazumasa Okada, Yuichi Tsujita, Keita Kiyoshima, Kenji Iizumi, Yuki Nishiguchi, Kazuyoshi Takano
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Patent number: 11092758Abstract: A mechanical transfer ferrule is formed from a top housing and a bottom housing secured together with a plural of clips, catches and snap from a distal end of the housing portions to a proximal end of the housing portions. A plural of upper grooves formed in the upper housing and a plural of lower grooves formed in the lower housing accept a plural of optical fiber provided by a ribbon cable at a distal end of the mechanical transfer ferrule. At a proximal end of the upper housing is a pressure surface received in a pressure surface cut-out in the lower housing, where the pressure surface secures and orients the optical fiber within the channels formed by the upper and lower grooves to aid in repeated mating with a corresponding mechanical transfer ferrule and polishing the end face of the plural of optical fibers.Type: GrantFiled: November 5, 2019Date of Patent: August 17, 2021Assignee: Senko Advanced Components, Inc.Inventors: Kenji Iizumi, Kazuyoshi Takano
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Publication number: 20210247572Abstract: A fiber optic adapter for mating with a fiber optic connector includes an adapter housing. The adapter housing includes a wall and an opening that accepts the fiber optic connector. An optical alignment axis extends through the adapter housing and passes through the opening of the adapter housing. A guide is disposed on the wall of the outer housing. The guide comprises a cam surface located inward of the opening, facing toward the opening, and extending along an axis that is transverse to the optical alignment axis. The cam surface is arranged for engaging the fiber optic connector inserted into the opening along an insertion axis that is divergent from the optical alignment axis to drive the fiber optic connector substantially into alignment with the optical alignment axis as the fiber optic connector traverses the cam surface upon being pushed farther into the adapter housing.Type: ApplicationFiled: February 9, 2021Publication date: August 12, 2021Applicant: Senko Advanced Components, Inc.Inventors: Man Ming Ho, Kazuyoshi TAKANO, Kenji IIZUMI
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Publication number: 20210149121Abstract: A fiber optic connector with a rotatable connection member for converting the connector from a first polarity to a second polarity, and a manipulator assembly comprising a tab member 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: January 24, 2021Publication date: May 20, 2021Applicant: Senko Advanced Components, Inc.Inventors: Kenji IIZUMI, Kazuyoshi TAKANO, Man Ming HO
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Patent number: 11002918Abstract: Reduced-profile connection components are described. The reduced-profile connection components are configured to connect various data transmission elements, including cables, network devices, and computing devices. A non-limiting example of a connection component includes a fiber optic connection component, including connectors, adapters, and assemblies formed therefrom. In some embodiments, the connection components may include mechanical transfer (MT) and multi-fiber push-on/pull-off (MPO) connection components, such as MT ferrules and MPO adapters. The reduced-profile connection components configured according to some embodiments have a smaller profile and/or require less parts to achieve a connection compared to conventional connection components. In some embodiments, the reduced-profile connection components may be used with conventional connection components. For example a reduced-profile connector may use a conventional MT ferrule to establish a connection within a conventional MPO adapter.Type: GrantFiled: January 25, 2019Date of Patent: May 11, 2021Assignee: Senko Advanced Components, Inc.Inventors: Kazuyoshi Takano, Kenji Iizumi
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Publication number: 20210124131Abstract: A micro connector kit including a ferrule assembly, an optical sub-assembly (“OSA”) and a micro connector. The ferrule assembly is coupled to an optical fiber and includes a ferrule. The OSA can receive an electric signal and transmit an optical signal or receive an optical signal and transmit an electric signal. The OSA includes a receptacle sized and shaped to receive the ferrule of the ferrule assembly to form an optical connection between the ferrule assembly and the OSA. The micro connector secures the optical connection between the ferrule assembly and the OSA. The micro connector includes a micro connector housing that forms a direct, mating connection with the OSA to secure the optical connection between the ferrule assembly and the OSA. The connection is made using only a very small space, allowing more ferrule assembly and OSA connections to be made in a smaller area.Type: ApplicationFiled: October 22, 2020Publication date: April 29, 2021Applicant: Senko Advanced Components, IncInventors: Kenji IIZUMI, Kazuyoshi TAKANO
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Patent number: 10976502Abstract: An outdoor rated assembly is configured to blind mate opposing fiber optic connectors. An outdoor rated adapter has a first non-outdoor rated fiber optic connector and an outdoor rated connector has a second non-outdoor rated fiber optic connector. The opposing connector and adapter are mated to form an outdoor rated assembly to protect the two internal fiber optic connectors from moisture and debris. The outdoor rated assembly has a safety spring assembly to prevent the outdoor connector components from separating and to support a push/pull attachment and release of the outdoor connector from the outdoor adapter.Type: GrantFiled: October 11, 2019Date of Patent: April 13, 2021Assignee: Seniko Advanced Components, Inc.Inventors: Yim Wong, Kenji Iizumi, Jin Jian Feng
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Publication number: 20210080659Abstract: A cleaning stick guide for an optical housing having ferrules therein. The cleaning stick guide includes a guide housing having a proximal end and a distal end. The guide housing includes an insert portion sized and shaped to be inserted into the optical housing. The insert portion defines the distal end of the guide housing. The guide housing includes guide passageways. Each guide passageway extends from the proximal end to the distal end. Each guide passageway is arranged in the guide housing to align with one of the ferrules in the optical housing when the guide housing is inserted into the optical housing. Each guide passageway is sized and shaped to receive a cleaning stick and to guide the cleaning stick to said one ferrule for cleaning the ferrule.Type: ApplicationFiled: September 18, 2020Publication date: March 18, 2021Applicant: Senko Advanced Components, Inc.Inventors: Kazuyoshi TAKANO, Kenji IIZUMI
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Publication number: 20210072464Abstract: Reduced-profile connection components are described. The reduced-profile connection components are configured to connect various data transmission elements, including cables, network devices, and computing devices. A non-limiting example of a connection component includes a fiber optic connection component, including connectors, adapters, and assemblies formed therefrom. In some embodiments, the connection components may include mechanical transfer (MT) and multi-fiber push-on/pull-off (MPO) connection components, such as MT ferrules and MPO adapters. The reduced-profile connection components configured according to some embodiments have a smaller profile and/or require less parts to achieve a connection compared to conventional connection components. In some embodiments, the reduced-profile connection components may be used with conventional connection components. For example a reduced-profile connector may use a conventional MT ferrule to establish a connection within a conventional MPG adapter.Type: ApplicationFiled: November 18, 2020Publication date: March 11, 2021Applicant: Senko Advanced Components, Inc.Inventors: Kazuyoshi TAKANO, Kenji IIZUMI
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Patent number: 10928594Abstract: A fiber optic connector with a rotatable connection member for converting the connector from a first polarity to a second polarity, and a manipulator assembly comprising a tab member 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: March 4, 2020Date of Patent: February 23, 2021Assignee: Senko Advanced Components, Inc.Inventors: Kenji Iizumi, Kazuyoshi Takano, Man Ming Ho
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ULTRA-SMALL FORM FACTOR RECEPTACLE FOR RECEIVING A FIBER OPTIC CONNECTOR OPPOSING A FERRULE ASSEMBLY
Publication number: 20210026083Abstract: A receptacle for receiving and securing one or more fiber optical connectors and ferrule assembly opposing each other in a secured position deploying an interconnect assembly. A first side of the interconnect assembly has one or more sets of opposing hooks at a first end to accept and secure a connector or ferrule assembly. A second end of the interconnect assembly receives a ferrule assembly secured with a stopper.Type: ApplicationFiled: July 23, 2020Publication date: January 28, 2021Applicant: Senko Advanced Components, IncInventors: Kenji IIZUMI, Kazuyoshi TAKANO, Jimmy Jun-Fu CHANG, Takuya NINOMIYA