Patents by Inventor Minoru Miyauchi
Minoru Miyauchi 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: 11519102Abstract: An object of the invention is to provide thermo-fusible conjugated fibers capable of suppressing damage to the fibers upon processing the fibers into a nonwoven fabric web. The thermo-fusible conjugated fibers of the invention contain a first component containing a polyester-based resin and a second component containing a polyolefin-based resin, in which a melting point of the second component is 10° C. or more lower than a melting point of the first component, and a work load at break obtained by a tensile test is 1.6 cN·cm/dtex or more. The damage to the fibers is suppressed by the thermo-fusible conjugated fibers of the invention, and therefore the nonwoven fabric with higher quality can be obtained with higher productivity than ever before.Type: GrantFiled: June 27, 2017Date of Patent: December 6, 2022Assignees: ES FIBERVISIONS (SUZHOU) CO., LTD., ES FiberVisions CO., LTD., ES FiberVisions Hong Kong Limited, ES FiberVisions ApSInventors: Minoru Miyauchi, Shinichi Unno
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Publication number: 20200385890Abstract: An object of the invention is to provide thermo-fusible conjugated fibers capable of suppressing damage to the fibers upon processing the fibers into a nonwoven fabric web. The thermo-fusible conjugated fibers of the invention contain a first component containing a polyester-based resin and a second component containing a polyolefin-based resin, in which a melting point of the second component is 10° C. or more lower than a melting point of the first component, and a work load at break obtained by a tensile test is 1.6 cN·cm/dtex or more. The damage to the fibers is suppressed by the thermo-fusible conjugated fibers of the invention, and therefore the nonwoven fabric with higher quality can be obtained with higher productivity than ever before.Type: ApplicationFiled: June 27, 2017Publication date: December 10, 2020Applicants: ES FIBERVISIONS (SUZHOU) CO., LTD., ES FiberVisions CO., LTD., ES FiberVisions Hong Kong Limited, ES FiberVisions LP, ES FiberVisions ApSInventors: Minoru MIYAUCHI, Shinichi UNNO
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Patent number: 10662553Abstract: A spinneret (1) for electrostatic spinning is configured from a structure of an electrically conductive metal material. The structure is provided with a long-axis direction (X), a short-axis direction (Z), and a thickness direction (Y). An inflow port (10) for a spinning starting material fluid is provided to one surface of the structure. A plurality of protrusions (5) are formed on another surface of the structure so as to be aligned along the long-axis direction (X). Each of the plurality of protrusion (5) extends so as to protrude from the structure. The protrusions (5) have, provided to apexes (2) thereof, discharge holes (4) for discharging the starting material fluid. The pitch of the discharge holes (4) exceeds 1 mm.Type: GrantFiled: July 31, 2015Date of Patent: May 26, 2020Assignees: JNC CORPORATION, JNC FIBERS CORPORATIONInventors: Shimpei Hiramoto, You Umebayashi, Taiju Terakawa, Minoru Miyauchi
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Patent number: 10533271Abstract: Provided is a conjugate fiber for air-laid nonwoven fabric manufacture having a planar zig-zag crimp shape before a thermal treatment, such that a uniform web is obtained by air laying with high processability and productivity, and the conjugate fiber develops a spiral crimp when the web is subjected to a thermal treatment to thereby enable the web to shrink significantly, as a result of which a nonwoven fabric can be obtained in which fibers are amassed to a high density. The conjugate fiber for air-laid nonwoven fabric manufacture is a heat-fusible conjugate fiber in which a first component comprising an olefinic thermoplastic resin is conjugated with a second component comprising an olefinic thermoplastic resin having a melting point higher than that of the first component.Type: GrantFiled: July 24, 2015Date of Patent: January 14, 2020Assignees: ES FIBERVISIONS CO., LTD., ES FIBERVISIONS HONG KONG LIMITED, ES FIBERVISIONS LP, ES FIBERVISIONS APSInventors: Minoru Miyauchi, Takayuki Nishitani, Masashi Teranaka
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Patent number: 9896782Abstract: To provide a method for producing a porous calcium phosphate body having open micro-pores, by the method for producing the porous calcium phosphate body, in which calcium phosphate is subjected to electro-spinning.Type: GrantFiled: June 19, 2013Date of Patent: February 20, 2018Assignees: JNC CORPORATION, SofSera CorporationInventors: Yasumichi Kogai, Daisuke Nomi, Hisashi Hattori, Karl Kazushige Kawabe, You Umebayashi, Yukinori Kataoka, Minoru Miyauchi
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Publication number: 20170342601Abstract: An object of the invention is to provide conjugate fibers with an encapsulated liquid crystal, which can be used for forming a flexible liquid crystal display device, and the conjugate fibers without disturbance of arrangement of liquid crystal molecules within the fibers. The conjugate fibers according to the invention are sheath-core conjugate fibers having a liquid crystal composition as a core component, and the conjugate fibers with the encapsulated liquid crystal, in which the liquid crystal composition contains a halogen-containing liquid crystal compound.Type: ApplicationFiled: December 7, 2015Publication date: November 30, 2017Applicant: JNC CORPORATIONInventors: You UMEBAYASHI, Minoru MIYAUCHI
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Publication number: 20170218538Abstract: A spinneret (1) for electrostatic spinning is configured from a structure of an electrically conductive metal material. The structure is provided with a long-axis direction (X), a short-axis direction (Z), and a thickness direction (Y). An inflow port (10) for a spinning starting material fluid is provided to one surface of the structure. A plurality of protrusions (5) are formed on another surface of the structure so as to be aligned along the long-axis direction (X). Each of the plurality of protrusion (5) extends so as to protrude from the structure. The protrusions (5) have, provided to apexes (2) thereof, discharge holes (4) for discharging the starting material fluid. The pitch of the discharge holes (4) exceeds 1 mm.Type: ApplicationFiled: July 31, 2015Publication date: August 3, 2017Applicants: JNC CORPORATION, JNC FIBERS CORPORATIONInventors: Shimpei HIRAMOTO, You UMEBAYASHI, Taiju TERAKAWA, Minoru MIYAUCHI
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Patent number: 9556539Abstract: To provide an add-in material to be added to a porous molded body base, the add-in material being capable of developing a pore of appropriate size efficiently without degrading the formability and productivity of a porous molded body, particularly a porous fired body when producing the porous molded body. A shrinkable fiber composed of a thermoplastic resin and to be dispersed in a base of a porous molded body, particularly a porous fired body, wherein the shrinkable fiber has a fiber diameter of 10 to 40 ?m, a fiber length of 1 to 20 mm, and a dry-heat shrinkage percentage of at least 8% when subjected to heat treatment at 80° C. for 5 minutes.Type: GrantFiled: February 21, 2013Date of Patent: January 31, 2017Assignees: ES FiberVisions Co., Ltd., ES FiberVisions Hong Kong Limited, ES FiberVisions LP, ES FiberVisions ApSInventors: Minoru Miyauchi, Yasushi Matsuda, Yuji Koyama
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Publication number: 20160288034Abstract: To provide a fibrous laminate having excellent secondary processability in processing into a filter or the like by laminating a fibrous layer composed of ultrafine fibers with another fibrous layer and strongly adhering and uniting each interlayer while reduction of characteristics of the ultrafine fibers is suppressed at a minimum to compensate insufficiency of mechanical strength and rigidity of a layer of ultrafine fibers. The fibrous laminate includes fibrous layer I composed of ultrafine fibers having a mean fiber diameter of 10 to 1,000 nm and fibrous layer II composed of thermo-fusible conjugate fibers having a mean fiber diameter of 5 to 100 ?m, in which contact points between the ultrafine fibers and the thermo-fusible conjugate fibers are bonded by melting of the thermo-fusible conjugate fibers composing the fibrous layer II, and the fibrous layer I and the fibrous layer II are laminated and united by the formed bonding points.Type: ApplicationFiled: September 30, 2014Publication date: October 6, 2016Applicants: JNC CORPORATION, JNC FIBERS CORPORATIONInventors: Minoru MIYAUCHI, You UMEBAYASHI
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Patent number: 9410273Abstract: There is provided a fiber bundle that strikes an excellent balance between the properties and performance of the resulting web and the finished products obtained from this web, and cost, ease of work, and productivity. There is also provided a method for manufacturing a web using this fiber bundle. There is also provided a web that is uniform and has excellent soft touch and bulkiness. This is achieved by a fiber bundle with a total denier of 10,000 to 500,000 dtex, obtained by bundling thermoplastic, conjugate, continuous fibers that have a single filament denier of 0.5 to 100 dtex/f and in which the center of gravity of conjugate components varies among the conjugate components in a fiber cross section, wherein the thermoplastic, conjugate, continuous fibers that make up the fiber bundle have a spontaneous crimp of 8 to 30 crimps per 2.Type: GrantFiled: August 10, 2007Date of Patent: August 9, 2016Assignees: ES FIBERVISIONS CO., ES FIBERVISIONS HONG KONG LIMITED, ES FIBERVISIONS APS, ES FIBERVISIONS LPInventors: Minoru Miyauchi, Yukiharu Simotsu, Akinori Maekawa
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Publication number: 20150330002Abstract: Provided is a conjugate fiber for air-laid nonwoven fabric manufacture having a planar zig-zag crimp shape before a thermal treatment, such that a uniform web is obtained by air laying with high processability and productivity, and the conjugate fiber develops a spiral crimp when the web is subjected to a thermal treatment to thereby enable the web to shrink significantly, as a result of which a nonwoven fabric can be obtained in which fibers are amassed to a high density. The conjugate fiber for air-laid nonwoven fabric manufacture is a heat-fusible conjugate fiber in which a first component comprising an olefinic thermoplastic resin is conjugated with a second component comprising an olefinic thermoplastic resin having a melting point higher than that of the first component.Type: ApplicationFiled: July 24, 2015Publication date: November 19, 2015Inventors: Minoru Miyauchi, Takayuki Nishitani, Masashi Teranaka
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Patent number: 9061904Abstract: Embodiments of the invention provide a cellulose-sheathed carbon nanotube fiber. One aspect of the invention provides a sheathed nanotube fiber comprising: a carbon nanotube fiber; and a cellulose sheath extending co-axially along at least a first portion of a length of the carbon nanotube fiber. Another aspect of the invention provides a method of forming a sheathed carbon nanotube fiber, the method comprising: co-electrospinning a carbon nanotube fiber gel core within a cellulose solution sheath.Type: GrantFiled: June 10, 2011Date of Patent: June 23, 2015Assignee: Rennsselaer Polytechnic InstituteInventors: Minoru Miyauchi, Jianjun Miao, Trevor J. Simmons, Jong-Won Lee, Thomas V. Doherty, Jonathan S. Dordick, Robert J. Linhardt
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Publication number: 20150152573Abstract: To provide a method for producing a porous calcium phosphate body having open micropores. A porous calcium phosphate body having open and uniform micropores can be produced by the method for producing the porous calcium phosphate body, in which calcium phosphate is subjected to electrospinning.Type: ApplicationFiled: June 19, 2013Publication date: June 4, 2015Applicants: JNC CORPORATION, SofSera CorporationInventors: Yasumichi Kogai, Daisuke Nomi, Hisashi Hattori, Karl Kazushige Kawabe, You Umebayashi, Yukinori Kataoka, Minoru Miyauchi
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Patent number: 8772406Abstract: The invention is directed a synthetic wood composite comprising biomimetic macromolecules and methods for the preparation thereof.Type: GrantFiled: August 3, 2010Date of Patent: July 8, 2014Inventors: Robert J. Linhardt, Jonathan S. Dordick, Trevor J. Simmons, Minoru Miyauchi, Sang-Hyun Lee
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Patent number: 8541323Abstract: A splittable conjugate fiber comprising a polyester segment and a polyolefin segment, wherein the splittable conjugate fiber comprises two or more parts of the polyester segment extending from a center of the fiber toward an outer edge of the fiber in a cross-sectional configuration perpendicular to its longitudinal direction, in which at least one of the two or more parts of the polyester segment extending from the center of the fiber toward the outer edge of the fiber is exposed at the outer edge of the fiber and at least one of the two or more parts of the polyester segment extending from the center of the fiber toward the outer edge of the fiber is unexposed at the outer edge of the fiber.Type: GrantFiled: May 23, 2008Date of Patent: September 24, 2013Assignees: ES Fibervisions Co., Ltd., ES Fibervisions Hong Kong Limited, ES Fibervisions LP, ES Fibervisions APSInventors: Yukiharu Shimotsu, Minoru Miyauchi, Kazuyuki Sakamoto
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Patent number: 8147956Abstract: To obtain an ultrafine heat-shrinkable conjugate fiber at high productivity, in which a flow-drawing state of a polyester undrawn yarn is realized easily and stably. By drawing undrawn yarn comprising a conjugated polyester polymer and olefin polymer, a flow-drawing process can be easily and stably realized using conventional production facilities; and the heat-shrinkable fiber, a drawn intermediate, and an ultrafine hot-melt adhesive conjugate fiber produced by redrawing the drawn intermediate of the present invention can be obtained with high productivity and excellent runnability. More specifically, the ultrafine hot-melt adhesive conjugate fiber obtained by redrawing can be drawn at a heretofore unseen high drawing magnification, and the fiber structure of the olefin polymer constituting part of the conjugate fiber is markedly developed.Type: GrantFiled: October 20, 2008Date of Patent: April 3, 2012Assignees: ES Fiber Visions Co., Ltd., ES Fiber Visions Hong Kong Limited, ES Fiber Visions LP, ES Fiber Visons APSInventors: Minoru Miyauchi, Tadashi Ideguchi, Masashi Teranaka
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Publication number: 20110305903Abstract: Embodiments of the invention provide a cellulose-sheathed carbon nanotube fiber. One aspect of the invention provides a sheathed nanotube fiber comprising: a carbon nanotube fiber; and a cellulose sheath extending co-axially along at least a first portion of a length of the carbon nanotube fiber. Another aspect of the invention provides a method of forming a sheathed carbon nanotube fiber, the method comprising: co-electrospinning a carbon nanotube fiber gel core within a cellulose solution sheath.Type: ApplicationFiled: June 10, 2011Publication date: December 15, 2011Applicant: RENNSSELAER POLYTECHNIC INSTITUTEInventors: Minoru Miyauchi, Jianjun Miao, Trevor J. Simmons, Jong-Won Lee, Thomas V. Doherty, Jonathan S. Dordick, Robert J. Linhardt
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Publication number: 20110190402Abstract: The invention is directed a synthetic wood composite comprising biomimetic macromolecules and methods for the preparation thereof.Type: ApplicationFiled: August 3, 2010Publication date: August 4, 2011Inventors: Robert J. Linhardt, Jonathan S. Dordick, Trevor J. Simmons, Minoru Miyauchi, Sang-Hyun Lee
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Publication number: 20110089593Abstract: Provided is a conjugate fiber for air-laid nonwoven fabric manufacture having a planar zig-zag crimp shape before a thermal treatment, such that a uniform web is obtained by air laying with high processability and productivity, and the conjugate fiber develops a spiral crimp when the web is subjected to a thermal treatment to thereby enable the web to shrink significantly, as a result of which a nonwoven fabric can be obtained in which fibers are amassed to a high density. The conjugate fiber for air-laid nonwoven fabric manufacture is a heat-fusible conjugate fiber in which a first component comprising an olefinic thermoplastic resin is conjugated with a second component comprising an olefinic thermoplastic resin having a melting point higher than that of the first component.Type: ApplicationFiled: May 19, 2009Publication date: April 21, 2011Applicants: ES FIBERVISIONS CO., LTD., ES FIBERVISIONS HONG KONG LIMITED, ES FIBERVISIONS LP, ES FIBERVISIONS APSInventors: Minoru Miyauchi, Takayuki Nishitani, Masashi Teranaka
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Publication number: 20100273947Abstract: To obtain an ultrafine heat-shrinkable conjugate fiber at high productivity, in which a flow-drawing state of a polyester undrawn yarn is realized easily and stably. By drawing undrawn yarn comprising a conjugated polyester polymer and olefin polymer, a flow-drawing process can be easily and stably realized using conventional production facilities; and the heat-shrinkable fiber, a drawn intermediate, and an ultrafine hot-melt adhesive conjugate fiber produced by redrawing the drawn intermediate of the present invention can be obtained with high productivity and excellent runnability. More specifically, the ultrafine hot-melt adhesive conjugate fiber obtained by redrawing can be drawn at a heretofore unseen high drawing magnification, and the fiber structure of the olefin polymer constituting part of the conjugate fiber is markedly developed.Type: ApplicationFiled: October 20, 2008Publication date: October 28, 2010Applicants: ES FIBERVISIONS CO., LTD., ES FIBERVISIONS HONG KONG LIMITED, ES FIBERVISIONS LP, ES FIBERVISIONS APSInventors: Minoru Miyauchi, Tadashi Ideguchi, Masashi Teranaka