Patents by Inventor Koji Azegami
Koji Azegami 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: 20160223756Abstract: A connectored cable including a cable having an optical fiber for transmitting an optical signal; and a connector that accommodates a substrate on which a photoelectric conversion portion that is optically coupled to an end face of the optical fiber is installed, and in which the optical fiber is wired so that at least three bent portions are formed, the orientation of the optical fiber in a front-rear direction being changed, the optical fiber being bent into a U shape at each of the bent portions, and so that one of two bent portions on a front side is located on a down side of the substrate and the other bent portion on the front side is located on an up side of the substrate.Type: ApplicationFiled: April 7, 2016Publication date: August 4, 2016Applicant: FUJIKURA LTD.Inventors: Masao MORI, Koji AZEGAMI, Shinya ABE
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Patent number: 9335491Abstract: A connectored cable including a cable having an optical fiber for transmitting an optical signal; and a connector that accommodates a substrate on which a photoelectric conversion portion that is optically coupled to an end face of the optical fiber is installed, and in which the optical fiber is wired so that at least three bent portions are formed, the orientation of the optical fiber in a front-rear direction being changed, the optical fiber being bent into a U shape at each of the bent portions, and so that one of two bent portions on a front side is located on a down side of the substrate and the other bent portion on the front side is located on an up side of the substrate.Type: GrantFiled: April 17, 2014Date of Patent: May 10, 2016Assignee: FUJIKURA LTD.Inventors: Masao Mori, Koji Azegami, Shinya Abe
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Publication number: 20140212097Abstract: A connectored cable including a cable having an optical fiber for transmitting an optical signal; and a connector that accommodates a substrate on which a photoelectric conversion portion that is optically coupled to an end face of the optical fiber is installed, and in which the optical fiber is wired so that at least three bent portions are formed, the orientation of the optical fiber in a front-rear direction being changed, the optical fiber being bent into a U shape at each of the bent portions, and so that one of two bent portions on a front side is located on a down side of the substrate and the other bent portion on the front side is located on an up side of the substrate.Type: ApplicationFiled: April 17, 2014Publication date: July 31, 2014Applicant: FUJIKURA LTD.Inventors: Masao MORI, Koji AZEGAMI, Shinya ABE
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Patent number: 8740476Abstract: A connectored cable including a cable having an optical fiber for transmitting an optical signal; and a connector that accommodates a substrate on which a photoelectric conversion portion that is optically coupled to an end face of the optical fiber is installed, and in which the optical fiber is wired so that at least three bent portions are formed, the orientation of the optical fiber in a front-rear direction being changed, the optical fiber being bent into a U shape at each of the bent portions, and so that one of two bent portions on a front side is located on a down side of the substrate and the other bent portion on the front side is located on an up side of the substrate.Type: GrantFiled: May 8, 2013Date of Patent: June 3, 2014Assignee: Fujikura Ltd.Inventors: Masao Mori, Koji Azegami, Shinya Abe
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Publication number: 20130272662Abstract: A connectored cable including: a cable having an optical fiber for transmitting an optical signal; and a connector that accommodates a substrate on which a photoelectric conversion portion that is optically coupled to an end face of the optical fiber is installed, and in which the optical fiber is wired so that at least three bent portions are formed, the orientation of the optical fiber in a front-rear direction being changed, the optical fiber being bent into a U shape at each of the bent portions, and so that one of two bent portions on a front side is located on a down side of the substrate and the other bent portion on the front side is located on an up side of the substrate, the front-rear direction referring to a direction in which the cable extends from the connector, a rear side referring to a side in which the cable extends as seen from the connector, the front side referring to an opposite side of the side in which the cable extends, the up side referring to a side of the photoelectric conversion pType: ApplicationFiled: May 8, 2013Publication date: October 17, 2013Inventors: Masao MORI, Koji AZEGAMI, Shinya ABE
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Patent number: 8113724Abstract: A manufacturing method of an optical communication module for manufacturing the optical communication module, including the sequentially performed steps of: (1) mounting a light-emitting element and a light-receiving element on a side surface of a sub-mount substrate and mounting the sub-mount substrate on a printed circuit board such that the light-emitting and -receiving directions of the light-emitting element and light-receiving element are parallel to the printed circuit board; (2) aligning an optical waveguide; and (3) dropping resin solution on an area of the sub-mount substrate including an optical waveguide end and the light-emitting element or the light-receiving element, and curing the resin solution. According to the present invention, it is possible to provide an optical communication module which can be made thin, small and cheap.Type: GrantFiled: November 13, 2009Date of Patent: February 14, 2012Assignee: Fujikura Ltd.Inventors: Yoshihiro Terada, Masakazu Ohashi, Koji Azegami, Kentaro Ichii
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Publication number: 20110058819Abstract: Provided is an optical transmission device which includes: an optical transmission unit including a light-emitting element; an optical reception unit including a static current source generating bias current for driving the light-emitting element; a light-transmitting medium optically connecting the light-emitting element and a light-receiving element to each other; and an electricity-transmitting medium transmitting the bias current from the static current source to the light-emitting element.Type: ApplicationFiled: September 3, 2010Publication date: March 10, 2011Applicant: FUJIKURA LTD.Inventors: Koji AZEGAMI, Yoshiaki KANNO, Naoki KIMURA, Hiroki SHIMIZU, Mamoru OTAKE, Takeshi FUKUDA
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Publication number: 20100061684Abstract: A manufacturing method of an optical communication module for manufacturing the optical communication module, including the sequentially performed steps of: (1) mounting a light-emitting element and a light-receiving element on a side surface of a sub-mount substrate and mounting the sub-mount substrate on a printed circuit board such that the light-emitting and -receiving directions of the light-emitting element and light-receiving element are parallel to the printed circuit board; (2) aligning an optical waveguide; and (3) dropping resin solution on an area of the sub-mount substrate including an optical waveguide end and the light-emitting element or the light-receiving element, and curing the resin solution. According to the present invention, it is possible to provide an optical communication module which can be made thin, small and cheap.Type: ApplicationFiled: November 13, 2009Publication date: March 11, 2010Applicant: Fujikura Ltd.Inventors: Yoshihiro TERADA, Masakazu Ohashi, Koji Azegami, Kentaro Ichii
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Publication number: 20030148025Abstract: The present invention provides a manufacturing method of optical fiber that improves the adherence between a coating and a bare optical fiber composed of silica glass during the formation of the coating on the bare optical fiber in high-speed drawing of optical fiber. In this method, the temperature of the bare optical fiber prior to being introduced into a coating material in the coating apparatus is made to be between 60 and 110° C. The bare optical fiber is cooled by blowing cooling gas onto that prior to being introduced into the coating material in the coating apparatus. Furthermore, during cooling of bare optical fiber, at least two types of cooling gases having different coefficients of thermal conductivity are mixed and blown onto the bare optical fiber. In addition, the temperature of the bare optical fiber is made to be within a prescribed range by changing the mixing ratio of the cooling gas.Type: ApplicationFiled: January 24, 2003Publication date: August 7, 2003Applicant: Fujikura Ltd.Inventors: Koji Azegami, Munehisa Fujimaki