Patents by Inventor Naoki Okada
Naoki Okada 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: 10087027Abstract: To make a tape length that can be supplied at one time long, and to make it possible to directly supply a tape from a record wound tape. A tape supplying method of this invention includes: connecting a tape end to an outer side of one record wound tape of a first record wound tape and a second record wound tape and a tape end to an inner side of another record wound tape, by matching a surface and a rear surface of the tapes; and after the connecting, supplying a tape of the first record wound tape and the second record wound tape from a tape end of the first record wound tape to an opposite side of a side that has been connected to the second record wound tape.Type: GrantFiled: September 24, 2014Date of Patent: October 2, 2018Assignee: FUJIKURA LTD.Inventors: Daiki Takeda, Masashi Ohno, Satoru Shiobara, Masayoshi Yamanaka, Naoki Okada
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Patent number: 10061096Abstract: [Problem] The thickness on a ripcord in a circular optical cable is reduced, to improve workability. [Solution] An optical cable of the present invention includes: an optical fiber unit including optical fibers; a sheath, having a circular external form, configured to house the optical fiber unit in a housing portion; and two strength members embedded in the sheath; and two rip cords, wherein when a direction of connecting the two strength members sandwiching the housing portion is a first direction and a direction intersecting the first direction is a second direction, in a cross section of the optical cable, a cross-sectional shape of the housing portion has a dimension in the second direction greater than that in the first direction, and the two rip cords is disposed to sandwich the optical fiber unit such that a direction of connecting the two rip cords is in the second direction, in the cross section of the optical cable.Type: GrantFiled: October 3, 2014Date of Patent: August 28, 2018Assignee: FUJIKURA LTD.Inventors: Daiki Takeda, Tomoaki Kaji, Satoru Shiobara, Masayoshi Yamanaka, Naoki Okada
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Patent number: 10007079Abstract: An optical fiber unit includes: an optical fiber bundle formed by bundling a plurality of optical fibers; and a plurality of bundling members. Each of the bundling members is wound on an outer circumference of the optical fiber bundle along a length direction of the optical fiber bundle while a winding direction of the bundling member is reversed alternately, and joined with another bundling member at reverse sections where the winding direction of the bundling member is reversed. A region surrounded by a pair of the bundling members to be joined at the reverse sections includes a joining point at one of the reverse sections of another pair of the bundling members.Type: GrantFiled: March 9, 2016Date of Patent: June 26, 2018Assignee: FUJIKURA LTD.Inventors: Daiki Takeda, Naoki Okada, Masayoshi Yamanaka, Ken Osato, Tomoaki Kaji
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Patent number: 9995896Abstract: Provided is an optical fiber ribbon capable of achieving higher density and reduction in diameter and accurately placing optical fibers in V-shape grooves in a fusion machine without failure. The optical fiber ribbon 1 includes three or more of optical fibers 2 arranged in parallel and connecting portions 3 connecting adjacent two optical fibers 2 together, the connecting portions 3 being intermittently provided in each of a ribbon longitudinal direction and a ribbon width direction. The connecting portions 3 are each formed in such a manner as to fill resin into a gap S formed between adjacent two optical fibers 2, and both surfaces of the respective connecting portions 3 are each formed into a recess having a concave shape curved toward a center of the gap S to separate from lines 4,5 each connecting contact points of the optical fibers 2 when being placed on a horizontal surface.Type: GrantFiled: January 9, 2017Date of Patent: June 12, 2018Assignees: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Akira Namazue, Ken Osato, Naoki Okada, Yusuke Yamada, Daisuke Kakuta, Hisaaki Nakane, Shinya Hamaguchi
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Publication number: 20180136423Abstract: An optical fiber unit includes: an optical fiber bundle formed by bundling a plurality of optical fibers; and a plurality of bundling members. Each of the bundling members is wound on an outer circumference of the optical fiber bundle along a length direction of the optical fiber bundle while a winding direction of the bundling member is reversed alternately, and joined with another bundling member at reverse sections where the winding direction of the bundling member is reversed. A region surrounded by a pair of the bundling members to be joined at the reverse sections includes a joining point at one of the reverse sections of another pair of the bundling members.Type: ApplicationFiled: March 9, 2016Publication date: May 17, 2018Applicant: FUJIKURA LTD.Inventors: Daiki Takeda, Naoki Okada, Masayoshi Yamanaka, Ken Osato, Tomoaki Kaji
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Publication number: 20180081134Abstract: An optical fiber cable is provided. The cable includes: an optical fiber core having a central axis; a presser winding covering the optical fiber core; a sheath covering the presser winding; two tension members in the sheath and facing each other with the central axis therebetween; and two rip cords facing each other with the central axis therebetween and being in direct contact with the sheath and the presser winding. The optical fiber core includes a plurality of optical fiber tapes arranged around the central axis and having mutually different stripe ring marks applied thereon. Each optical fiber tapes includes a plurality of optical fibers intermittently adhered to each other.Type: ApplicationFiled: November 28, 2017Publication date: March 22, 2018Applicant: FUJIKURA, LTD.Inventors: Tomoaki KAJI, Masatoshi OHNO, Daiki TAKEDA, Ken OSATO, Masayoshi YAMANAKA, Naoki OKADA
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Patent number: 9911287Abstract: A game device includes a first setting unit, a lottery unit, a decision unit, and a determination unit. The first setting unit sets a first character for a first player and a second character different from the first character, both belonging to a first group. The lottery unit decides stop positions of spinning slot reels of a reel group displayed on a display. The decision unit decides a battle action of the first group. The determination unit decreases hit points of an enemy character in response to the battle action and decreases hit points of at least one of the first and second characters in response to another battle action by the enemy character, so as to determine a winner based on respective remaining amounts of the hit points.Type: GrantFiled: November 26, 2013Date of Patent: March 6, 2018Assignee: Konami Digital Entertainment Co.. LTD.Inventors: Kazuya Takahashi, Franklin Kang, Naoki Okada
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Patent number: 9869838Abstract: An optical fiber cable is provided. The cable includes: an optical fiber core having a central axis; a presser winding covering the optical fiber core; a sheath covering the presser winding; two tension members in the sheath and facing each other with the central axis therebetween; and two rip cords facing each other with the central axis therebetween and being in direct contact with the sheath and the presser winding. The optical fiber core includes a plurality of optical fiber tapes arranged around the central axis and having mutually different stripe ring marks applied thereon. Each optical fiber tapes includes a plurality of optical fibers intermittently adhered to each other.Type: GrantFiled: November 25, 2015Date of Patent: January 16, 2018Assignee: FUJIKURA LTD.Inventors: Tomoaki Kaji, Masatoshi Ohno, Daiki Takeda, Ken Osato, Masayoshi Yamanaka, Naoki Okada
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Publication number: 20170293097Abstract: An optical fiber cable includes a core including a plurality of units which are assembled and each of which comprises a plurality of optical fibers which are assembled, a pair of tension members disposed so as to face each other with the core interposed therebetween, and a sheath covering the core and the pair of tension members collectively. The units are twisted so as to form a plurality of layers. The plurality of layers includes a first layer having first-layer units formed in an SZ-twisted shape and a second layer having second-layer units formed in an SZ-twisted shape. A twisting direction of the first-layer units is opposite to a twisting direction of the second-layer units in at least a portion in a cable length direction.Type: ApplicationFiled: August 12, 2016Publication date: October 12, 2017Applicant: Fujikura Ltd.Inventors: Naoto ITO, Ken OSATO, Masayoshi YAMANAKA, Naoki OKADA
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Publication number: 20170285287Abstract: Disclosed is a method for manufacturing an intermittently connected optical fiber ribbon that includes a plurality of optical fibers arranged side by side, and connection parts arranged intermittently and each connecting two adjacent optical fibers. The method involves: a step of applying, between the optical fibers, a UV-curable resin including a siloxane structure in its molecule; a step of removing a portion of the UV-curable resin applied between the optical fibers; and a step of irradiating the UV-curable resin between the optical fibers with UV rays and forming the connection parts.Type: ApplicationFiled: August 31, 2016Publication date: October 5, 2017Applicant: Fujikura Ltd.Inventors: Akira MURATA, Mitzuki ISAJI, Ken OSATO, Naoki OKADA
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Patent number: 9739965Abstract: Provided is an optical fiber ribbon capable of concurrently ensuring mid-span access performance and cable production performance. The optical fiber ribbon 1 includes three or more optical fibers 2 arranged in parallel and connecting portions 3 connecting the adjacent optical fibers 2, the connecting portions 3 being formed intermittently in each of a ribbon longitudinal direction X and a ribbon width direction Y. The optical fiber ribbon 1 including the connecting portions 3 having split strength which is set in the range from 1.50 gf to 21.0 gf, contributes to exhibiting both the mid-span access performance and the cable production performance.Type: GrantFiled: August 28, 2014Date of Patent: August 22, 2017Assignees: FUJIKURA LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Mizuki Isaji, Yoshie Sajima, Ken Osato, Naoki Okada, Takashi Matsuzawa, Yukiko Take, Yusuke Yamada, Shinya Hamaguchi, Daisuke Kakuta, Hisaaki Nakane
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Patent number: 9714213Abstract: A compound represented by general formula (1) a pharmaceutically acceptable salt thereof or a solvate thereof; wherein Ar represents an aryl group, or a 5- or 6-membered heteroaryl group containing a nitrogen atom, an oxygen atom or a sulfur atom; Y represents, for example, a hydrogen atom or a C1-C6 alkyl group; A represents a C1-C3 alkylene chain which may be substituted with two C1-C2 alkyl groups; X represents a hydrogen atom or a halogen atom; V represents an oxygen atom or a methylene chain; and R represents a group selected from the formulae below:Type: GrantFiled: October 14, 2014Date of Patent: July 25, 2017Assignee: TOA EIYO LTD.Inventors: Kazuhiro Uemoto, Yoshimichi Sato, Naoki Okada, Emiko Iimori, Masayuki Kageyama
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Publication number: 20170184803Abstract: Provided is an optical fiber ribbon capable of achieving higher density and reduction in diameter and accurately placing optical fibers in V-shape grooves in a fusion machine without failure. The optical fiber ribbon 1 includes three or more of optical fibers 2 arranged in parallel and connecting portions 3 connecting adjacent two optical fibers 2 together, the connecting portions 3 being intermittently provided in each of a ribbon longitudinal direction and a ribbon width direction. The connecting portions 3 are each formed in such a manner as to fill resin into a gap S formed between adjacent two optical fibers 2, and both surfaces of the respective connecting portions 3 are each formed into a recess having a concave shape curved toward a center of the gap S to separate from lines 4,5 each connecting contact points of the optical fibers 2 when being placed on a horizontal surface.Type: ApplicationFiled: January 9, 2017Publication date: June 29, 2017Applicants: FUJIKURA, LTD., NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Akira NAMAZUE, Ken OSATO, Naoki OKADA, Yusuke YAMADA, Daisuke KAKUTA, Hisaaki NAKANE, Shinya HAMAGUCHI
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Patent number: 9686886Abstract: A cooling mechanism includes a plurality of first circuit boards arranged in parallel with each other, one or more first fans for generating a cooling wind in a first flow path formed along the plurality of first circuit boards, and a connection board arranged orthogonally to the first flow path and at a position different from a position of the first flow path, and coupling the plurality of first circuit boards.Type: GrantFiled: December 11, 2013Date of Patent: June 20, 2017Assignee: Hitachi, Ltd.Inventors: Naoki Okada, Toshio Asai, Hiroshi Suzuki
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Publication number: 20170153404Abstract: [Problem] The thickness on a ripcord in a circular optical cable is reduced, to improve workability. [Solution] An optical cable of the present invention includes: an optical fiber unit including optical fibers; a sheath, having a circular external form, configured to house the optical fiber unit in a housing portion; and two strength members embedded in the sheath; and two rip cords, wherein when a direction of connecting the two strength members sandwiching the housing portion is a first direction and a direction intersecting the first direction is a second direction, in a cross section of the optical cable, a cross-sectional shape of the housing portion has a dimension in the second direction greater than that in the first direction, and the two rip cords is disposed to sandwich the optical fiber unit such that a direction of connecting the two rip cords is in the second direction, in the cross section of the optical cable.Type: ApplicationFiled: October 3, 2014Publication date: June 1, 2017Applicant: FUJIKURA LTD.Inventors: Daiki TAKEDA, Tomoaki KAJI, Satoru SHIOBARA, Masayoshi YAMANAKA, Naoki OKADA
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Publication number: 20170146760Abstract: An optical fiber cable is provided. The cable includes: an optical fiber core having a central axis; a presser winding covering the optical fiber core; a sheath covering the presser winding; two tension members in the sheath and facing each other with the central axis therebetween; and two rip cords facing each other with the central axis therebetween and being in direct contact with the sheath and the presser winding. The optical fiber core includes a plurality of optical fiber tapes arranged around the central axis and having mutually different stripe ring marks applied thereon. Each optical fiber tapes includes a plurality of optical fibers intermittently adhered to each other.Type: ApplicationFiled: November 25, 2015Publication date: May 25, 2017Applicant: FUJIKURA, LTD.Inventors: Tomoaki KAJI, Masatoshi OHNO, Daiki TAKEDA, Ken OSATO, Masayoshi YAMANAKA, Naoki OKADA
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Publication number: 20170139168Abstract: A method for producing an optical fiber unit by winding at least two bundling members on the outer circumference of an optical fiber bundle formed by bundling a plurality of optical fibers, including: feeding the optical fiber bundle from a fiber passage member; feeding the bundling members while forming intersection points between two of the bundling members on the outer circumference of the optical fiber bundle by feeding at least one of the bundling members from a bundling member passage part of a rotating member arranged to the outer circumference of the fiber passage member, while causing the rotating member to oscillate, with the feeding direction serving as the axis; and fusion-bonding the bundling members at their intersection points.Type: ApplicationFiled: March 9, 2016Publication date: May 18, 2017Applicant: FUJIKURA LTD.Inventors: Tomoaki KAJI, Masataka MIKAMI, Masayuki ISHIOKA, Ken OSATO, Masayoshi YAMANAKA, Naoki OKADA
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Patent number: D793260Type: GrantFiled: March 3, 2016Date of Patent: August 1, 2017Assignee: OMRON CorporationInventors: Akihiro Kakeya, Shinichiro Iura, Naoki Okada, Koyuru Nakano, Kazuo Inaba, Goro Kawakami, Satoshi Motouji
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Patent number: D793261Type: GrantFiled: March 3, 2016Date of Patent: August 1, 2017Assignee: OMRON CorporationInventors: Akihiro Kakeya, Satoshi Motouji, Shinichiro Iura, Goro Kawakami, Naoki Okada, Koyuru Nakano, Kazuo Inaba
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Patent number: D794484Type: GrantFiled: March 3, 2016Date of Patent: August 15, 2017Assignee: OMRON CorporationInventors: Akihiro Kakeya, Satoshi Motouji, Shinichiro Iura, Goro Kawakami, Naoki Okada, Koyuru Nakano, Kazuo Inaba