Patents by Inventor Yasuomi Kaneuchi
Yasuomi Kaneuchi 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: 20220363594Abstract: The optical fiber manufacturing method includes: a drawing step of drawing a glass fiber from an optical fiber base material with a melted tip; a passing step of passing the glass fiber through a fiber passage formed in a die; and a resin coating step of forming a resin layer on the outer periphery of the glass fiber by supplying a resin to the fiber passage through a flow path communicating with the fiber passage formed in the die. In the resin coating step, a temperature of the resin is controlled so that a supply pressure of the resin to the fiber passage becomes a value in a predetermined range.Type: ApplicationFiled: May 10, 2022Publication date: November 17, 2022Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Yasuomi KANEUCHI, Satoshi YOSHIKAWA, Kazumasa OISHI
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Patent number: 11327243Abstract: An optical connection component includes optical fibers; one or a plurality of line members arranged in parallel with the optical fibers, line members having a lower elastic limit and being easier to undergo plastic deformation at room temperature than the optical fibers; a first securing member as a block having a plurality of capillaries extending parallel to one another or as a combination of a V-grooved board and a flat board, the V-grooved board having a plurality of V-grooves extending parallel to one another, the first securing member securing one-end portions of the optical fibers and one-end portions of the one or plurality of line members individually in the plurality of capillaries or in the plurality of V-grooves; and a second securing member that secures the optical fibers and the one or plurality of line members on a side near other-end portions of the one or plurality of line members.Type: GrantFiled: January 12, 2021Date of Patent: May 10, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Yasuomi Kaneuchi
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Patent number: 11073665Abstract: A method for manufacturing an optical connecting component includes the steps of inserting an optical fiber into one through hole of a plurality of through holes of a connector, rotating the optical fiber around an axis of the optical fiber in the one through hole and aligning and holding the optical fiber at a predetermined position, blocking the end part of a through hole adjacent to the one through hole into which the optical fiber is inserted with a jig on an end face of the connector provided with the plurality of through holes, and fixing the optical fiber to the connector in a state in which the end part of the adjacent through hole is blocked.Type: GrantFiled: June 25, 2018Date of Patent: July 27, 2021Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Yasuomi Kaneuchi, Tetsu Morishima
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Publication number: 20210181431Abstract: An optical connecting component includes: an optical fiber; a first fixing member to which one end portion of the optical fiber is fixed; and a second fixing member including a bendable middle bone, a grip portion for griping the first fixing member on one end side of the middle bone, and an optical fiber fixing portion for fixing the optical fiber to the middle bone on the other end side of the middle bone.Type: ApplicationFiled: March 1, 2021Publication date: June 17, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Yasuomi KANEUCHI
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Publication number: 20210181438Abstract: An optical fiber connection component includes: an optical fiber; a first fixing member to which one end portion of the optical fiber is fixed; and a second fixing member that includes either one or both of an outer peripheral wall and an inner peripheral wall having a curvature along which the optical fiber is aligned and being adhered to the optical fiber with the adhesive and a positioning portion for positioning the first fixing member at one end of the second fixing member.Type: ApplicationFiled: February 24, 2021Publication date: June 17, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Yasuomi KANEUCHI
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Publication number: 20210132296Abstract: An optical connection component includes optical fibers; one or a plurality of line members arranged in parallel with the optical fibers, line members having a lower elastic limit and being easier to undergo plastic deformation at room temperature than the optical fibers; a first securing member as a block having a plurality of capillaries extending parallel to one another or as a combination of a V-grooved board and a flat board, the V-grooved board having a plurality of V-grooves extending parallel to one another, the first securing member securing one-end portions of the optical fibers and one-end portions of the one or plurality of line members individually in the plurality of capillaries or in the plurality of V-grooves; and a second securing member that secures the optical fibers and the one or plurality of line members on a side near other-end portions of the one or plurality of line members.Type: ApplicationFiled: January 12, 2021Publication date: May 6, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Yasuomi KANEUCHI
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Patent number: 10823917Abstract: The embodiment relates to an optical connection component including a bent optical fiber having a bent portion including a region where a curvature of the bent portion is maintained at 0.4 [l/mm] or more while substantially no bending stress remains. The bent optical fiber comprises a core, a first cladding, a second cladding, and a third cladding. Based on the third cladding, a relative refractive index difference ?1 of the core, a relative refractive index difference ?2 of the first cladding, and a relative refractive index difference ?3 of the second cladding satisfy relationships of ?1>?2>?3 and ?3<?0.5 [%]. The product V3 of the ?3 and a cross-sectional area S of the second cladding is less than ?200 [%·?m2]. The curvature in the bent portion is 0.6 [l/mm] or less over an entire length of the bent portion.Type: GrantFiled: December 12, 2019Date of Patent: November 3, 2020Assignee: Sumitomo Electric Industries, Ltd.Inventors: Tetsuya Nakanishi, Yasuomi Kaneuchi, Yuuichi Mitose
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Publication number: 20200116948Abstract: The embodiment relates to an optical connection component including a bent optical fiber having a bent portion including a region where a curvature of the bent portion is maintained at 0.4 [l/mm] or more while substantially no bending stress remains. The bent optical fiber comprises a core, a first cladding, a second cladding, and a third cladding. Based on the third cladding, a relative refractive index difference ?1 of the core, a relative refractive index difference ?2 of the first cladding, and a relative refractive index difference ?3 of the second cladding satisfy relationships of ?1>?2>?3 and ?3<?0.5 [%]. The product V3 of the ?3 and a cross-sectional area S of the second cladding is less than ?200 [%·?m2]. The curvature in the bent portion is 0.6 [l/mm] or less over an entire length of the bent portion.Type: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Inventors: Tetsuya NAKANISHI, Yasuomi KANEUCHI, Yuuichi MITOSE
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Patent number: 10539746Abstract: The embodiment relates to an optical connection component including a bent optical fiber having a bent portion including a region where a curvature of the bent portion is maintained at 0.4 [1/mm] or more while substantially no bending stress remains. The bent optical fiber comprises a core, a first cladding, a second cladding, and a third cladding. Based on the third cladding, a relative refractive index difference ?1 of the core, a relative refractive index difference ?2 of the first cladding, and a relative refractive index difference ?3 of the second cladding satisfy relationships of ?1>?2>?3 and ?3 <?0.5[%]. The product V3 of the ?3 and a cross-sectional area S of the second cladding is less than ?200 [%·?m2]. The curvature in the bent portion is 0.6 [1/mm] or less over an entire length of the bent portion.Type: GrantFiled: January 30, 2018Date of Patent: January 21, 2020Assignee: Sumitomo Electric Industries, Ltd.Inventors: Tetsuya Nakanishi, Yasuomi Kaneuchi, Yuuichi Mitose
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Patent number: 10527800Abstract: The present embodiment makes it possible to reduce the height of an optical connection component including a bent optical fiber having a bent-shape part and a fiber fixing component in a safer and more stable manner compared to a conventional technique. Before the fiber fixing component is fixed to the bent optical fiber, formation of a bent portion using the fiber fixing component obliquely disposed and heating of the bent portion are repeated a plurality of times for the optical fiber to which the fiber fixing component is movably fitted. At that time, movement of the optical fiber and the heating of the bent portion are alternately repeated. Thus, a plurality of bent portions where stress is released is formed in the optical fiber along the longitudinal direction thereof.Type: GrantFiled: December 20, 2018Date of Patent: January 7, 2020Assignee: Sumitomo Electric Industries, Ltd.Inventors: Yasuomi Kaneuchi, Takashi Sasaki
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Patent number: 10436965Abstract: An optical fiber manufacturing apparatus includes a rotating mechanism including a holding member that holds one side of an optical fiber and a rotating member that rotates the holding member, the optical fiber including a glass fiber portion and a coating layer covering the glass fiber portion; a guiding member secured at a distance from the rotating mechanism and configured to retain the other side of the optical fiber loosely fitted therein; and a heating mechanism configured to heat a part of the glass fiber portion exposed and extending out of the coating layer, the part being interposed between the holding member and the guiding member. By rotating the rotating member counterclockwise by a given angle, the glass fiber portion is drawn from the guiding member and bent with a predetermined curvature while being heated.Type: GrantFiled: September 5, 2018Date of Patent: October 8, 2019Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Yasuomi Kaneuchi
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Publication number: 20190129101Abstract: The present embodiment makes it possible to reduce the height of an optical connection component including a bent optical fiber having a bent-shape part and a fiber fixing component in a safer and more stable manner compared to a conventional technique. Before the fiber fixing component is fixed to the bent optical fiber, formation of a bent portion using the fiber fixing component obliquely disposed and heating of the bent portion are repeated a plurality of times for the optical fiber to which the fiber fixing component is movably fitted. At that time, movement of the optical fiber and the heating of the bent portion are alternately repeated. Thus, a plurality of bent portions where stress is released is formed in the optical fiber along the longitudinal direction thereof.Type: ApplicationFiled: December 20, 2018Publication date: May 2, 2019Inventors: Yasuomi Kaneuchi, Takashi Sasaki
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Publication number: 20190072705Abstract: An optical fiber manufacturing apparatus includes a rotating mechanism including a holding member that holds one side of an optical fiber and a rotating member that rotates the holding member, the optical fiber including a glass fiber portion and a coating layer covering the glass fiber portion; a guiding member secured at a distance from the rotating mechanism and configured to retain the other side of the optical fiber loosely fitted therein; and a heating mechanism configured to heat a part of the glass fiber portion exposed and extending out of the coating layer, the part being interposed between the holding member and the guiding member. By rotating the rotating member counterclockwise by a given angle, the glass fiber portion is drawn from the guiding member and bent with a predetermined curvature while being heated.Type: ApplicationFiled: September 5, 2018Publication date: March 7, 2019Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Yasuomi KANEUCHI
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Publication number: 20180372965Abstract: A method for manufacturing an optical connecting component includes the steps of inserting an optical fiber into one through hole of a plurality of through holes of a connector, rotating the optical fiber around an axis of the optical fiber in the one through hole and aligning and holding the optical fiber at a predetermined position, blocking the end part of a through hole adjacent to the one through hole into which the optical fiber is inserted with a jig on an end face provided with the plurality of through holes, and fixing the optical fiber to the connector in a state in which the end part of the adjacent through hole is blocked.Type: ApplicationFiled: June 25, 2018Publication date: December 27, 2018Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Yasuomi KANEUCHI, Tetsu MORISHIMA
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Publication number: 20180156987Abstract: The embodiment relates to an optical connection component including a bent optical fiber having a bent portion including a region where a curvature of the bent portion is maintained at 0.4 [l/mm] or more while substantially no bending stress remains. The bent optical fiber comprises a core, a first cladding, a second cladding, and a third cladding. Based on the third cladding, a relative refractive index difference ?1 of the core, a relative refractive index difference ?2 of the first cladding, and a relative refractive index difference ?3 of the second cladding satisfy relationships of ?1>?2>?3 and ?3<?0.5[%]. The product V3 of the ?3 and a cross-sectional area S of the second cladding is less than ?200[%·?m2]. The curvature in the bent portion is 0.6 [l/mm] or less over an entire length of the bent portion.Type: ApplicationFiled: January 30, 2018Publication date: June 7, 2018Inventors: Tetsuya Nakanishi, Yasuomi Kaneuchi, Yuuichi Mitose
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Patent number: 9864150Abstract: The present invention relates to an optical interconnection component enabling implementation of optical fiber connection with higher accuracy than by the conventional technologies. The optical interconnection component is configured to maintain arrangement of end faces of a plurality of rotationally-aligned MCFs, so as to reduce connection loss to another component. Since arrangement of the MCFs can be confirmed by markers provided on a holding portion holding the plurality of MCFs inside, it becomes feasible to achieve the optical connection with higher accuracy.Type: GrantFiled: August 7, 2017Date of Patent: January 9, 2018Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Takashi Sasaki, Yasuomi Kaneuchi, Osamu Shimakawa
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Publication number: 20170336575Abstract: The present invention relates to an optical interconnection component enabling implementation of optical fiber connection with higher accuracy than by the conventional technologies. The optical interconnection component is configured to maintain arrangement of end faces of a plurality of rotationally-aligned MCFs, so as to reduce connection loss to another component. Since arrangement of the MCFs can be confirmed by markers provided on a holding portion holding the plurality of MCFs inside, it becomes feasible to achieve the optical connection with higher accuracy.Type: ApplicationFiled: August 7, 2017Publication date: November 23, 2017Inventors: Takashi SASAKI, Yasuomi KANEUCHI, Osamu SHIMAKAWA
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Patent number: 9759873Abstract: An embodiment relates to a method for manufacturing an optical module having an MCF and two connection components, and enables rotational alignment of the MCF to be implemented with high accuracy even in short-haul optical wiring. The MCF is arranged in a region between the two connection components while an end thereof projects from one connection component. As this arrangement state is maintained, array positions of cores in the projecting end are observed from a side face and the MCF is rotationally aligned by a rotation grasp jig grasping the projecting end to adjust the array positions of the cores, based on the observation result.Type: GrantFiled: April 13, 2016Date of Patent: September 12, 2017Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tetsuya Nakanishi, Takashi Sasaki, Yasuomi Kaneuchi, Tetsuya Hayashi, Osamu Shimakawa
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Patent number: 9676660Abstract: An embodiment of the invention relates to a bent optical fiber manufacturing method for manufacturing a bent optical fiber in which a bent region with a desired radius of curvature is formed, while maintaining an optical transmission loss within a permissible range. The method has a pre-step of preparing an optical fiber comprised of silica-based glass, a bend portion forming step of forming a bend portion in a partial region of the optical fiber, and a laser light irradiating step of irradiating the thus-formed bend portion with laser light.Type: GrantFiled: May 18, 2015Date of Patent: June 13, 2017Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Yasuomi Kaneuchi, Yuuichi Mitose, Takashi Sasaki, Tetsuya Nakanishi, Tetsuya Hayashi, Masayuki Kato
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Patent number: D811342Type: GrantFiled: September 25, 2015Date of Patent: February 27, 2018Assignee: Sumitomo Electric Industries, Ltd.Inventors: Tetsuya Nakanishi, Yuuichi Mitose, Takashi Sasaki, Jun Ito, Takeyuki Ishii, Toshiki Taru, Kazunari Hattori, Naoki Matsushita, Yasuomi Kaneuchi