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公开(公告)号：US11237322B2
公开(公告)日：2022-02-01
申请号：US16571974
申请日：2019-09-16
发明人： Shinichi Arai , Harumi Inaba , Shigeto Matsumoto , Takeshi Yagi , Shinichi Aozasa , Kyozo Tsujikawa , Kazuhide Nakajima
摘要： An optical fiber manufacturing method includes setting a first holding member and a rod inside a glass pipe, the first holding member made of glass and having plural holes formed, so that the rod is supported by the first holding member; filling glass particles between the rod and a glass pipe inner wall; holding the rod such that the rod and the filled glass particles are enclosed by the glass pipe inner wall and the first and second holding members, and sealing one end of the glass pipe and manufacturing an intermediate; and manufacturing an optical fiber from the intermediate, wherein a bulk density of the first and second holding members is set with reference to a bulk density of a filling portion made from the glass particles, and the predetermined range is determined according to a core diameter permissible variation range in its longitudinal direction.
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公开(公告)号：US11036024B2
公开(公告)日：2021-06-15
申请号：US16428739
申请日：2019-05-31
发明人： Hiroki Tanaka , Kenji Yokomizo , Tomohiro Ishimura , Yutaka Hoshino , Masaki Iwama , Eisuke Otani , Shunichi Matsushita , Yoshihiro Arashitani , Takeshi Yagi
摘要： A method for manufacturing an intermittent bonding type optical fiber ribbon which is capable of forming non-connection portions and intermittent connection portions between adjacent coated optical fibers formed into an optical fiber ribbon by performing a laser processing for the ribbon through irradiation with a pulse laser light, thereby making it possible to rapidly form the intermittent connection portions and the non-connection portions while maintaining high linear velocity of the coated optical fiber. The non-connection portions and the intermittent connection portions are formed in the obtained intermittent bonding type optical fiber ribbon through the irradiation with the pulse laser light, so the intermittent bonding type optical fiber ribbon becomes the intermittent bonding type optical fiber ribbon, which is capable of securing operability during collective connection and surely being subjected to an intermediate branching without damaging cable characteristics during high density mounting.
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公开(公告)号：US20200012042A1
公开(公告)日：2020-01-09
申请号：US16571974
申请日：2019-09-16
发明人： Shinichi ARAI , Harumi Inaba , Shigeto Matsumoto , Takeshi Yagi , Shinichi Aozasa , Kyozo Tsujikawa , Kazuhide Nakajima
摘要： An optical fiber manufacturing method includes setting a first holding member and a rod inside a glass pipe, the first holding member made of glass and having plural holes formed, so that the rod is supported by the first holding member; filling glass particles between the rod and a glass pipe inner wall; holding the rod such that the rod and the filled glass particles are enclosed by the glass pipe inner wall and the first and second holding members, and sealing one end of the glass pipe and manufacturing an intermediate; and manufacturing an optical fiber from the intermediate, wherein a bulk density of the first and second holding members is set with reference to a bulk density of a filling portion made from the glass particles, and the predetermined range is determined according to a core diameter permissible variation range in its longitudinal direction.
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公开(公告)号：US20200010654A1
公开(公告)日：2020-01-09
申请号：US16571957
申请日：2019-09-16
发明人： Jae Kyung Kim , Eiji Kozawa , Yasuo Nakajima , Takeshi Yagi
摘要： A polyolefin resin composite material, containing: a polyolefin resin; and 10 to 150 parts by mass of cellulose fibers with respect to 100 parts by mass of the polyolefin resin, wherein an area of aggregates of the cellulose fibers is less than 20,000 μm2; and a method of producing the same.
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公开(公告)号：US20170199341A1
公开(公告)日：2017-07-13
申请号：US15470282
申请日：2017-03-27
CPC分类号： G02B6/421 , G02B6/02395 , G02B6/122 , G02B6/14 , G02B6/24 , G02B6/2551 , G02B6/30 , G02B6/4216 , G02B6/4243 , G02B6/4249
摘要： An optical component includes: a high-relative-refractive-index-difference optical fiber; a single-mode optical fiber fusion-spliced to the high-relative-refractive-index-difference optical fiber, a mode-field diameter of the single-mode optical fiber being greater than a mode-field diameter of the high-relative-refractive-index-difference optical fiber at a wavelength of 1550 nm; and an optical device connected to an end surface of the high-relative-refractive-index-difference optical fiber where the single-mode optical fiber is not fusion-spliced. A total of a connection loss between the high-relative-refractive-index-difference optical fiber and the single-mode optical fiber at the wavelength of 1550 nm and a connection loss between the high-relative-refractive-index-difference optical fiber and the optical device at the wavelength of 1550 nm is less than a connection loss at the wavelength of 1550 nm when the single-mode optical fiber is connected to the optical device directly.
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公开(公告)号：US11554257B2
公开(公告)日：2023-01-17
申请号：US17638402
申请日：2020-08-24
发明人： Katsuki Suematsu , Takeshi Yagi , Atsushi Himura , Kazutaka Nara
IPC分类号： A61M39/02 , H02J50/10 , A61M39/04 , A61N1/378 , A61N1/372 , H01F38/14 , H02J50/90 , A61M5/142
摘要： A power transmission unit includes a second coil which contactlessly transmits power, a power reception unit includes a first coil that receives the power transmitted from the power transmission unit, and a medical instrument includes the power reception unit and is embedded in a body. The medical instrument includes a notification unit that is composed of a plurality of light emitting units that provides notification that a relative positional relationship between the power transmission unit and the power reception unit has reached a predetermined state by emitting light using the power received at the power reception unit when the predetermined state is reached by the movement of the power transmission unit. A soft unit into which an injection needle is inserted, the plurality of light emitting units being arranged so as to extend along an outer edge of the soft unit.
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公开(公告)号：US10007073B2
公开(公告)日：2018-06-26
申请号：US15470282
申请日：2017-03-27
CPC分类号： G02B6/421 , G02B6/02395 , G02B6/122 , G02B6/14 , G02B6/24 , G02B6/2551 , G02B6/30 , G02B6/4216 , G02B6/4243 , G02B6/4249
摘要： An optical component includes: a high-relative-refractive-index-difference optical fiber; a single-mode optical fiber fusion-spliced to the high-relative-refractive-index-difference optical fiber, a mode-field diameter of the single-mode optical fiber being greater than a mode-field diameter of the high-relative-refractive-index-difference optical fiber at a wavelength of 1550 nm; and an optical device connected to an end surface of the high-relative-refractive-index-difference optical fiber where the single-mode optical fiber is not fusion-spliced. A total of a connection loss between the high-relative-refractive-index-difference optical fiber and the single-mode optical fiber at the wavelength of 1550 nm and a connection loss between the high-relative-refractive-index-difference optical fiber and the optical device at the wavelength of 1550 nm is less than a connection loss at the wavelength of 1550 nm when the single-mode optical fiber is connected to the optical device directly.
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公开(公告)号：US09075185B2
公开(公告)日：2015-07-07
申请号：US13754963
申请日：2013-01-31
发明人： Naomi Kumano , Iwao Shimotakahara , Ryuichi Sugizaki , Takeshi Yagi , Tomoya Shimizu , Takashi Matsui , Yukihiro Goto , Toshio Kurashima , Kazuhide Nakajima
CPC分类号： G02B6/032 , G02B6/02333 , G02B6/02366 , G02B6/03627
摘要： A hole-assisted optical fiber includes a core portion and a cladding portion that includes an inner cladding layer, an outer cladding layer, and holes formed around the core portion. A diameter of the core portion is 3 μm to 9.8 μm, a relative refractive index difference of the core portion relative to the outer cladding layer is 0.11% to 0.45%, an outside diameter of the inner cladding layer is 53 μm or less, a relative refractive index difference of the inner cladding layer relative to the outer cladding layer is a negative value, −0.30% or more, a diameter of each hole is 2.4 μm to 4.0 μm, a hole occupancy rate is 17% to 48%, a bending loss at a wavelength of 1625 nm when bent at a radius of 5 mm is 1 dB/turn or less, and a cut-off wavelength is 1550 nm or less.
摘要翻译： 空穴辅助光纤包括芯部和包括内包层，外包层和形成在芯部周围的孔的包层部分。 芯部的直径为3μm〜9.8μm，芯部相对于外包层的相对折射率差为0.11〜0.45％，内包层的外径为53μm以下， 内包层相对于外包层的相对折射率差为负值-0.30％以上，各孔的直径为2.4μm〜4.0μm，孔占有率为17〜48％，a 以5mm的半径弯曲时，波长1625nm处的弯曲损耗为1dB /匝以下，截止波长为1550nm以下。
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公开(公告)号：US20130136409A1
公开(公告)日：2013-05-30
申请号：US13754963
申请日：2013-01-31
发明人： Naomi Kumano , Iwao Shimotakahara , Ryuichi Sugizaki , Takeshi Yagi , Tomoya Shimizu , Takashi Matsui , Yukihiro Goto , Toshio Kurashima , Kazuhide Nakajima
IPC分类号： G02B6/032
CPC分类号： G02B6/032 , G02B6/02333 , G02B6/02366 , G02B6/03627
摘要： A hole-assisted optical fiber includes a core portion and a cladding portion that includes an inner cladding layer, an outer cladding layer, and holes formed around the core portion. A diameter of the core portion is 3 μm to 9.8 μm, a relative refractive index difference of the core portion relative to the outer cladding layer is 0.11% to 0.45%, an outside diameter of the inner cladding layer is 53 μm or less, a relative refractive index difference of the inner cladding layer relative to the outer cladding layer is a negative value, −0.30% or more, a diameter of each hole is 2.4 μm to 4.0 μm, a hole occupancy rate is 17% to 48%, a bending loss at a wavelength of 1625 nm when bent at a radius of 5 mm is 1 dB/turn or less, and a cut-off wavelength is 1550 nm or less.
摘要翻译： 空穴辅助光纤包括芯部和包括内包层，外包层和形成在芯部周围的孔的包层部分。 芯部的直径为3μm〜9.8μm，芯部相对于外包层的相对折射率差为0.11〜0.45％，内包层的外径为53μm以下，a 内包层相对于外包层的相对折射率差为-0.30％以上的负值，每个孔的直径为2.4μm〜4.0μm，孔占有率为17〜48％，a 以5mm的半径弯曲时，波长1625nm处的弯曲损耗为1dB /匝以下，截止波长为1550nm以下。
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公开(公告)号：US11466140B2
公开(公告)日：2022-10-11
申请号：US16143846
申请日：2018-09-27
发明人： Eiji Kozawa , Takeshi Yagi , Yasuo Nakajima , Jae Kyung Kim
IPC分类号： C08L1/02 , C08J3/00 , C08J5/00 , C08K5/3445 , C08L23/06 , C08L23/16 , C08L101/12 , B29C48/00 , B29K23/00 , B29K201/00
摘要： A method of producing a thermoplastic resin composition containing a thermoplastic synthetic resin and a cellulose, in which at least one type of the thermoplastic synthetic resin is a resin having a group containing a partial structure of an acid anhydride in the polymer molecule; a molded article of a cellulose-reinforced resin; and a method of producing a molded article of a cellulose-reinforced resin.
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