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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Publication number: 20150049997Abstract: 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: ApplicationFiled: August 28, 2014Publication date: February 19, 2015Applicants: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, FUJIKURA LTD.Inventors: Mizuki ISAJI, Yoshie SAJIMA, Ken OSATO, Naoki OKADA, Takashi MATSUZAWA, Yukiko TAKE, Yusuke YAMADA, Shinya HAMAGUCHI, Daisuke KAKUTA, Hisaaki NAKANE
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Publication number: 20140295937Abstract: 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: ApplicationFiled: November 26, 2013Publication date: October 2, 2014Applicant: Konami Digital Entertainment, Inc.Inventors: Kazuya TAKAHASHI, Franklin KANG, Naoki OKADA
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Patent number: 8724946Abstract: Provided is an method of manufacturing an optical fiber tape core wire with which, even when the optical fiber tape core wire is separated into optical fiber wires, it can be determined which optical fiber tape core wire each optical fiber wire is associated with. A fiber running length adjustment device 13 adjusting the running lengths of the optical fiber wires 2 running from printers 8 (8A to 8D) to a tape forming device 11 is used to adjust the running lengths of all the optical fiber wires 2 between the printers 8 and the tape forming device 11 to a same length. By this adjustment, markings 6 formed on each optical fiber wire 2 (2A to 2D) can be aligned with the corresponding markings 6 formed on the other fiber wires 2 to the same position.Type: GrantFiled: August 22, 2013Date of Patent: May 13, 2014Assignee: Fujikura Ltd.Inventors: Takashi Matsuzawa, Yukiko Take, Mizuki Isaji, Ken Osato, Naoki Okada
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Publication number: 20140112631Abstract: It is an object of the present invention to suppress a coating resin from being shaved off in an event where optical fibers are sent out from a coating dice. When a Young's modulus of ultraviolet curable resins 13 located on outermost layers of optical fibers 3 is 300 MPa or more, and the Young's modulus is 300 MPa to 600 MPa, a plurality of the optical fibers 3 in which friction force measured by the following measurement method is 0.3 N or less are arranged in parallel to one another, these respective optical fibers 3 are fixed to one another intermittently along a longitudinal direction thereof, and adhered portions 5 are formed.Type: ApplicationFiled: December 2, 2013Publication date: April 24, 2014Applicants: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, FUJIKURA LTD.Inventors: Akira NAMAZUE, Yukiko TAKE, Takashi MATSUZAWA, Ken OSATO, Naoki OKADA, Yusuke YAMADA
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Publication number: 20130343712Abstract: Provided is an method of manufacturing an optical fiber tape core wire with which, even when the optical fiber tape core wire is separated into optical fiber wires, it can be determined which optical fiber tape core wire each optical fiber wire is associated with. A fiber running length adjustment device 13 adjusting the running lengths of the optical fiber wires 2 running from printers 8 (8A to 8D) to a tape forming device 11 is used to adjust the running lengths of all the optical fiber wires 2 between the printers 8 and the tape forming device 11 to a same length. By this adjustment, markings 6 formed on each optical fiber wire 2 (2A to 2D) can be aligned with the corresponding markings 6 formed on the other fiber wires 2 to the same position.Type: ApplicationFiled: August 22, 2013Publication date: December 26, 2013Applicant: FUJIKURA LTD.Inventors: Takashi MATSUZAWA, Yukiko TAKE, Mizuki ISAJI, Ken OSATO, Naoki OKADA
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Publication number: 20130309398Abstract: An apparatus with: an extrusion head with a tip and a die concentrically arranged therewithin and extrudes a tube between the tip and the die; a needle that feeds at least one optical fiber and filler to be filled around the optical fiber into the tube being extrusion-molded; and a cylindrical bundling member provided within the needle. The bundling member has a bundling hole smaller than an inner diameter of the tube at a center thereof and into which the optical fiber can pass through, and a flow pass penetrating along a feeding direction of the filler between the bundling hole and an inner circumferential surface of the needle. In a method using the apparatus, the optical fiber is passed through a bundling hole to be bundled at a center of the tube. The filler is passed through a flow path to be filled around the optical fiber.Type: ApplicationFiled: May 29, 2013Publication date: November 21, 2013Applicant: FUJIKURA LTD.Inventors: Naoki OKADA, Yoshio HASHIMOTO, Masayuki ISHIOKA
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Patent number: 8577197Abstract: An optical unit is comprised of a plurality of optical base fibers twisted together without any member serving as a center of twisting so that each optical base fiber comes in contact with adjacent optical base fibers along the whole length, each of the optical base fibers including an optical fiber and a sleeve consisting essentially of silicone, a filler having the plurality of optical base fibers embedded therein, the filler consisting essentially of silicone, and a sheath covering the filler and the plurality of optical base fibers embedded in the filler.Type: GrantFiled: August 17, 2010Date of Patent: November 5, 2013Assignee: Fujikura Ltd.Inventors: Yukiko Sato, Naoki Okada
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Publication number: 20130267364Abstract: A silent chain includes guide plates each of which has a cut-away portion on its inner side and a cut-away portion on its outer side for allowing elastic deformation of the guide plate in the longitudinal direction of the chain so that bowing of the connecting pins of the chain is reduced, and galling of the connecting pins and unbalance of the loads on the link plates of the chain are suppressed. The deepest parts of the respective cut-away portions are longitudinally offset from each other so that longitudinal elastic deformation can occur without impairing the tensile strength of the guide plate.Type: ApplicationFiled: March 28, 2013Publication date: October 10, 2013Applicant: TSUBAKIMOTO CHAIN CO.Inventors: Yoshiki Motoshima, Masatoshi Sonoda, Naoki Okada, Yoshinori Tsujino
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Patent number: 8520992Abstract: An optical fiber cable is comprised of: a slotted core (7) elongated along an axis of the optical fiber cable, the slotted core including a slot (11) running in parallel with the axis and a groove (5) accessible through the slot; one or more optical fibers (3) placed in the groove; a sheath (9) enclosing the slotted core and the optical fibers; a bonding portion (15) where the slotted core is bonded with the sheath; and two or more strength members (17) embedded in the slotted core, the strength member running in parallel with the axis, and being aligned on a plane including the axis.Type: GrantFiled: February 18, 2009Date of Patent: August 27, 2013Assignee: Fujikura Ltd.Inventors: Ken Osato, Naoki Okada, Kouji Tomikawa
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Patent number: 8478095Abstract: This optical fiber cable is provided with a covering resin including an outermost layer. The outermost layer is formed by a resin composition including: (a) a base resin prepared by adding at least one copolymer selected from an ethylene-vinyl acetate copolymer and an ethylene-ethyl acrylate copolymer to a high density polyethylene; (b) 25 to 90 parts by weight of a phosphate salt with respect to 100 parts by weight of the base resin; and (c) 0.75 to 15 parts by weight of either a silicone dispersed polyethylene or a silicone grafted polyethylene with respect to 100 parts by weight of the base resin.Type: GrantFiled: May 17, 2011Date of Patent: July 2, 2013Assignees: Fujikura Ltd., Nippon Telegraph and Telephone CorporationInventors: Daiki Takeda, Naoki Okada, Satoru Shiobara, Tadayoshi Sayama, Shimei Tanaka, Katsuyoshi Endoh, Keiichiro Sugimoto, Shinichi Niwa
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Patent number: 8470213Abstract: An extrusion-molding apparatus for a loose tube includes: an extrusion head that includes a tip and a die concentrically arranged therewithin and extrudes a tube between the tip and the die; a needle that feeds at least one optical fiber and filler to be filled around the optical fiber into the tube being extrusion-molded; and a cylindrical bundling member provided within the needle. The bundling member has a bundling hole being smaller than an inner diameter of the tube at a center thereof and into which the optical fiber can pass through, and a flow pass penetrating along a feeding direction of the filler between the bundling hole and an inner circumferential surface of the needle. In an extrusion molding method using the extrusion-molding apparatus, the optical fiber is passed through a bundling hole to be bundled at an almost center of the tube. In addition, filler is passed through a flow path to be filled around the optical fiber.Type: GrantFiled: October 29, 2008Date of Patent: June 25, 2013Assignee: Fujikura Ltd.Inventors: Naoki Okada, Yoshio Hashimoto, Masayuki Ishioka
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Patent number: 8442370Abstract: An optical fiber cable is comprised of: a slotted core elongated along an axis of the optical fiber cable, the slotted core including a slot running in parallel with the axis and a groove accessible through the slot; one or more optical fibers placed in the groove; a sheath enclosing the slotted core and the optical fibers; a bonding portion where the slotted core is bonded with the sheath; a first strength member embedded in the slotted core and running in parallel with the axis; and a second strength member embedded in the sheath and running in parallel with the axis, wherein the first and second strength members are aligned on a plane including the axis.Type: GrantFiled: February 18, 2009Date of Patent: May 14, 2013Assignee: Fujikura Ltd.Inventors: Ken Osato, Naoki Okada, Kouji Tomikawa
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Patent number: 8418793Abstract: A motorcycle that can facilitate identification of and taking in and out of an article stored below a rear seat includes a storage box that is mounted to a body frame. The front portion of the storage box is covered by a front seat. The rear portion of the storage box is covered by the rear seat and the rear seat is surrounded by the rear spoiler. The rear spoiler has an opening portion that is almost-rectangular as viewed from above. When the rear seat is removed, an article can be put in and taken out from the storage box through the opening portion. A first seal member is attached to the bottom plate of the rear seat, and is pressed against the circumferential edge portion of the opening portion to thereby seal between the rear seat and the rear spoiler.Type: GrantFiled: December 19, 2007Date of Patent: April 16, 2013Assignee: Honda Motor Co., Ltd.Inventors: Kengo Yano, Mamoru Ito, Sadamichi Enjo, Fujio Nakamura, Naoki Okada
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Patent number: 8412014Abstract: An optical fiber ribbon is capable of branching by means of any tool. The optical fiber ribbon is comprised of a plurality of optical fibers running in parallel, each of the optical fibers having an allowable radius of curvature; a blanket sheath totally covering the plurality of the optical fibers; one or more concavities formed at any one or more intermediates among the optical fibers; and slits respectively arranged in series at a regular interval along the concavities, the slits penetrating the blanket sheath and allowing the tool to be inserted and the blanket sheath to split by means of movement of the tool along the concavities. The length of each slit prior to insertion of the tool is so determined that flexures of the optical fibers induced by the tool widening the slits do not exceed the allowable radius of curvature.Type: GrantFiled: December 25, 2008Date of Patent: April 2, 2013Assignee: Fujikura Ltd.Inventors: Yukiko Sato, Keiko Sano, Naoki Okada
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Patent number: 8412013Abstract: An optical fiber cable includes an elongated optical element portion having an optical fiber, a pair of tensile strength members and an outer jacket. The optical fiber is composed of one or more plastic coated optical fibers, tight-buffered optical fibers or optical ribbon fibers. The pair of tensile strength members is arranged in parallel at both sides of the optical fiber in a width direction of the optical fiber. The outer jacket covers outer circumferences of the optical fiber and the pair of tensile strength members. A frictional coefficient of the outer jacket is equal to or less than 0.20. Shore D hardness of the outer jacket is equal to or more than 60.Type: GrantFiled: July 27, 2011Date of Patent: April 2, 2013Assignees: Fujikura Ltd., Nippon Telegraph and Telephone CorporationInventors: Satoru Shiobara, Shimei Tanaka, Tadayoshi Sayama, Daiki Takeda, Masashi Ohno, Naoki Okada, Keiichiro Sugimoto, Shinichi Niwa
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Publication number: 20120237176Abstract: An optical fiber cable includes: a slotted core which houses and holds an optical fiber in a rectilinear slotted groove disposed along a longitudinal direction of the cable; a cylindrical sheath covering the entire slotted core; a rectilinear hanger line integrally provided continuously to the sheath; and a rectilinear tension member mounted in the slotted core. The tension member is located in a region having an angle about the cable center line within a predetermined value with respect to a plane including a center line of the suspension wire and the cable center line.Type: ApplicationFiled: June 1, 2012Publication date: September 20, 2012Applicant: FUJIKURA LTD.Inventors: Kouji SAITO, Naoki OKADA, Masayoshi YAMANAKA, Takao FUKUTE
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Patent number: 8249781Abstract: In a vehicle seat control system (10), before a vehicle (60) turns a curve ahead of the vehicle (60), a control circuit (28) determines lateral acceleration that is expected to occur to the vehicle (60) while the vehicle (60) is turning the curve, and in addition, determines whether a braking operation is performed by a driver before the vehicle (60) turns the curve. When the control circuit (28) determines that an estimation value of the lateral acceleration is greater than a reference value, and that a braking operation has been performed by the driver before the vehicle (60) turns the curve, movable side support portions (26) in a vehicle seat (12) are pivoted in the closing or bending direction.Type: GrantFiled: November 12, 2007Date of Patent: August 21, 2012Assignee: Toyota Jidosha Kabushiki KaishaInventors: Koji Hattori, Naoki Okada
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Patent number: 8189974Abstract: An optical fiber cable 1 includes: a cable core 9 formed by stranding a plurality of loose tubes 7, each housing at least one optical fiber 5, on the periphery of a centered tension member 3; and a sheath 11 disposed on the outer periphery of the cable core 9. The sheath 11 includes: a first sheath portion 13 in which the sheath is embedded in between each of the loose tubes 7; and a second sheath portion 15, in which the sheath 11 is circumscribed around the cable core 9, to be thereby formed in a pipe shape. The first sheath portion 13 and the second sheath portion 15 are alternately positioned over the entire length of the cable core 9.Type: GrantFiled: May 30, 2008Date of Patent: May 29, 2012Assignee: Fujikura Ltd.Inventors: Yoshio Hashimoto, Naoki Okada
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Publication number: 20120045185Abstract: An optical unit is comprised of a plurality of optical base fibers twisted together without any member serving as a center of twisting so that each optical base fiber comes in contact with adjacent optical base fibers along the whole length, each of the optical base fibers including an optical fiber and a sleeve consisting essentially of silicone, a filler having the plurality of optical base fibers embedded therein, the filler consisting essentially of silicone, and a sheath covering the filler and the plurality of optical base fibers embedded in the filler.Type: ApplicationFiled: August 17, 2010Publication date: February 23, 2012Applicant: FUJIKURA LTDInventors: Yukiko SATO, Naoki OKADA
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Publication number: 20120020632Abstract: An optical fiber cable includes an elongated optical element portion having an optical fiber, a pair of tensile strength members and an outer jacket. The optical fiber is composed of one or more plastic coated optical fibers, tight-buffered optical fibers or optical ribbon fibers. The pair of tensile strength members is arranged in parallel at both sides of the optical fiber in a width direction of the optical fiber. The outer jacket covers outer circumferences of the optical fiber and the pair of tensile strength members. A frictional coefficient of the outer jacket is equal to or less than 0.20. Shore D hardness of the outer jacket is equal to or more than 60.Type: ApplicationFiled: July 27, 2011Publication date: January 26, 2012Applicants: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, FUJIKURA LTD.Inventors: Satoru SHIOBARA, Shimei TANAKA, Tadayoshi SAYAMA, Daiki TAKEDA, Masashi OHNO, Naoki OKADA, Keiichiro SUGIMOTO, Shinichi NIWA