Patents by Inventor Kentarou Kobayashi
Kentarou Kobayashi 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: 10960356Abstract: Provided is a membrane module which has a simple and easy structure to restrain its vessel from being increased in costs, and which allows to fabricate the vessel by a simple and easy work, and further to locate an inlet for a fluid, and others at respective predetermined positions of the membrane module.Type: GrantFiled: February 24, 2017Date of Patent: March 30, 2021Assignee: NITTO DENKO CORPORATIONInventors: Yasuhiro Uda, Kentarou Kobayashi
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Patent number: 10906004Abstract: Provided is a spiral membrane module which is suitable for being set up in the vertical direction since at one end of its pressure vessel, the supply of feed liquid and the discharge of concentrated liquid can be attained.Type: GrantFiled: March 29, 2017Date of Patent: February 2, 2021Assignee: NITTO DENKO CORPORATIONInventors: Yasuhiro Uda, Kentarou Kobayashi
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Publication number: 20200070096Abstract: Provided is a spiral membrane module which is suitable for being set up in the vertical direction since at one end of its pressure vessel, the supply of feed liquid and the discharge of concentrated liquid can be attained.Type: ApplicationFiled: March 29, 2017Publication date: March 5, 2020Inventors: Yasuhiro Uda, Kentarou Kobayashi
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Publication number: 20190111397Abstract: Provided is a membrane module which has a simple and easy structure to restrain its vessel from being increased in costs, and which allows to fabricate the vessel by a simple and easy work, and further to locate an inlet for a fluid, and others at respective predetermined positions of the membrane module.Type: ApplicationFiled: February 24, 2017Publication date: April 18, 2019Applicant: Nitto Denko CorporationInventors: Yasuhiro UDA, Kentarou KOBAYASHI
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Patent number: 8962108Abstract: A liquid crystal display panel includes a liquid crystal cell, a first polarizing plate placed on one side of the liquid crystal cell, a second polarizing plate placed on the other side of the liquid crystal cell, a retardation film placed between the liquid crystal cell and the first polarizing plate, and a pressure-sensitive adhesive layer placed between the liquid crystal cell and the retardation film, wherein the first and second polarizing plates have absorption axes whose directions are substantially orthogonal to each other, the retardation film is a norbornene resin-containing stretched film and has a refractive index ellipsoid satisfying the relation nx?nz>ny, and the pressure-sensitive adhesive layer includes a pressure-sensitive adhesive that may be produced by crosslinking a composition including a (meth)acrylate (co)polymer and a crosslinking agent including a peroxide as a main component.Type: GrantFiled: September 14, 2006Date of Patent: February 24, 2015Assignee: Nitto Denko CorporationInventors: Yuusuke Toyama, Masayuki Satake, Kenji Yoda, Kentarou Kobayashi, Shuuji Yano
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Publication number: 20140027370Abstract: A separation membrane module includes: a pressure container having a tubular shape; a plurality of separation membrane elements loaded in the pressure container so as to be aligned in the axial direction of the pressure container; and a coupling member coupling together the separation membrane elements adjacent to each other. The separation membrane element includes a central tube and a pair of end members 3A and 3B fixed to both end portions of the central tube. The coupling member 5A is configured to be engaged with at least one of the end members 3A and 3B located on both sides of the coupling member 5A. In addition, a sensor is mounted in the coupling member 5A.Type: ApplicationFiled: April 4, 2012Publication date: January 30, 2014Applicant: NITTO DENKO CORPORATIONInventors: Kentarou Kobayashi, Takahisa Konishi, Makoto Kobuke
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Publication number: 20130334124Abstract: Provided is a separation membrane module including: a tubular pressure container 7 in which a raw liquid is filtered through a separation membrane to produce a permeate liquid; and an internal member 5A provided in the pressure container 7. The internal member 5A is equipped with a sensor for detecting characteristics of at least one of the raw liquid and the permeate liquid. A detected signal generated by the sensor is transmitted from an antenna 65. The internal member 5A has an antenna holding portion 54 in which the antenna 65 is embedded. A gap between the antenna holding portion 54 and an inner peripheral surface 7a of the pressure container 7 is sealed with a sealing member 42.Type: ApplicationFiled: February 6, 2012Publication date: December 19, 2013Applicant: NITTO DENKO CORPORATIONInventors: Takahisa Konishi, Kentarou Kobayashi, Makoto Kobuke
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Publication number: 20130277309Abstract: The purpose of the present invention is to provide a membrane filtration device able to supply electric power to a sensor under various conditions, including situations in which a plant is not operating. The membrane filtration device of the present invention comprises a membrane element for generating a permeate by filtering a liquid to be filtered through a filtration membrane, and includes a pressure-resistant container for containing the membrane element, a sensor for sensing the properties of the liquid flowing through the membrane filtration device, an electric-power-generating unit for generating electric power, and a primary battery. The sensor, the electric-power-generating unit, and the primary battery are provided inside the pressure-resistant container.Type: ApplicationFiled: January 5, 2012Publication date: October 24, 2013Applicant: NITTO DENKO CORPORATIONInventors: Shinichi Inoue, Takahisa Konishi, Kentarou Kobayashi, Makoto Kobuke
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Publication number: 20130220002Abstract: A submodule is used to know exactly fouling of a membrane surface in a separation membrane module. The membrane separation apparatus of the present invention includes: a separation membrane module (1) configured to produce at least a permeate fluid from a feed fluid; and at least one submodule (2) having a separation membrane (23) made of the same material as a separation membrane in the separation membrane module (1). A deposition member (22) is provided on a surface of the separation membrane (23) in the submodule (2), and the feed fluid is supplied onto the surface.Type: ApplicationFiled: October 21, 2011Publication date: August 29, 2013Applicant: NITTO DENKO CORPORATIONInventors: Kentarou Kobayashi, Takahisa Konishi, Makoto Kobuke, Kouji Maruyama, Makiko Namba
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Patent number: 7852441Abstract: A liquid crystal panel of the present invention comprises at least: a liquid crystal cell comprising a liquid crystal layer containing a liquid crystal molecule that is oriented in homogeneous alignment with no electric field applied thereto; a first polarizer placed on one side of the liquid crystal cell; a first optical element placed between the liquid crystal cell and the first polarizer; and a second polarizer placed on the other side of the liquid crystal cell, wherein the first optical element is substantially optically isotropic, the liquid crystal cell has an initial alignment direction that is substantially parallel to the direction of an absorption axis of the first polarizer, and the absorption axis of the first polarizer is substantially perpendicular to an absorption axis of the second polarizer. The liquid crystal panel shows less discoloration of images even when the screen is viewed from oblique directions.Type: GrantFiled: June 22, 2006Date of Patent: December 14, 2010Assignee: Nitto Denko CorporationInventors: Shuuji Yano, Kenji Yoda, Kentarou Kobayashi, Masatoshi Tomonaga
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Patent number: 7812902Abstract: There is provided a liquid crystal panel and a liquid crystal display apparatus in which light leakage occurring from a peripheral portion of a screen is small, and which has excellent display uniformity in a high humidity environment. A liquid crystal panel according to an embodiment of the present invention includes: a liquid crystal cell; a first polarizing plate placed on a viewer side of the liquid crystal cell; and a second polarizing plate placed on an opposite side of the viewer side of the liquid crystal cell, wherein a dimensional change ratio (C1) of the first polarizing plate is larger than a dimensional change ratio (C2) of the second polarizing plate.Type: GrantFiled: March 20, 2007Date of Patent: October 12, 2010Assignee: Nitto Denko CorporationInventors: Yoshiyuki Kiya, Shuuji Yano, Kenji Yoda, Kentarou Kobayashi, Masatoshi Tomonaga, Shouhei Maezawa, Yusuke Toyama
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Publication number: 20100225854Abstract: Provided are a liquid crystal panel which contributes to reduction in thickness and is excellent in optical properties and a liquid crystal display apparatus. The liquid crystal panel of the present invention includes a liquid crystal cell, a first polarizer disposed on one side of the liquid crystal cell, a second polarizer disposed on another side of the liquid crystal cell, a first optical compensation layer and a first negative C plate disposed between the first polarizer and the liquid crystal cell, and a second negative C plate and a second optical compensation layer disposed between the liquid crystal cell and the second polarizer, in which the first optical compensation layer is disposed between the first polarizer and the first negative C plate, the second optical compensation layer is disposed between the second negative C plate and the second polarizer, the first and second optical compensation layers each include a coating layer functioning as a ?/4 plate, and each have a thickness of 0.Type: ApplicationFiled: January 26, 2007Publication date: September 9, 2010Applicant: NITTO DENKO CORPORATIONInventors: Ikuo Kawamoto, Seiji Umemoto, Takashi Kamijou, Hideyuki Yonezawa, Kazuya Hada, Kentarou Kobayashi
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Publication number: 20100208177Abstract: The present invention provides a laminated optical film capable of contributing to thinning of each of a liquid crystal panel and a liquid crystal display apparatus and of simplifying its manufacturing steps, and a method of manufacturing the laminated optical film. The laminated optical film is used in a liquid crystal display apparatus and arranged on a viewer side of a liquid crystal cell. The laminated optical film includes: a polarizer; and a retardation layer which is arranged on one side of the polarizer, has a refractive index ellipsoid showing a relationship of nx>ny=nz, and has an in-plane retardation value Re[590] of 90 to 190 nm. An angle formed between an absorption axis of the polarizer and a slow axis of the retardation layer is 5 to 85°. The retardation layer is formed of a liquid crystal material, and the retardation layer is arranged to be closer to the viewer side than the polarizer is.Type: ApplicationFiled: September 12, 2008Publication date: August 19, 2010Applicant: NITTO DENKO CORPORATIONInventors: Kentarou Kobayashi, Ryoji Kinoshita, Junichi Inagaki, Mitsuhiro Kibata, Yoshiki Maeda, Hironori Yaginuma
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Publication number: 20100157205Abstract: There is provided a liquid crystal panel and a liquid crystal display apparatus in which light leakage occurring from a peripheral portion of a screen is small, and which has excellent display uniformity in a high humidity environment. A liquid crystal panel according to an embodiment of the present invention includes: a liquid crystal cell; a first polarizing plate placed on a viewer side of the liquid crystal cell; and a second polarizing plate placed on an opposite side of the viewer side of the liquid crystal cell, wherein a dimensional change ratio (C1) of the first polarizing plate is larger than a dimensional change ratio (C2) of the second polarizing plate.Type: ApplicationFiled: March 20, 2007Publication date: June 24, 2010Applicant: NITTO DENKO CORPORATIONInventors: Yoshiyuki Kiya, Shuuji Yano, Kenji Yoda, Kentarou Kobayashi, Masatoshi Tomonaga, Shouhei Maezawa, Yusuke Toyama
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Publication number: 20100134737Abstract: Provided are a liquid crystal panel and a liquid crystal display apparatus each of which: contributes to a reduction in thickness; and is excellent in optical characteristics, and a method of producing the liquid crystal panel with extremely high production efficiency. A liquid crystal panel of the present invention has a first polarizer, a first protective layer, a first optical compensation layer, a first negative C plate, a liquid crystal cell, a second negative C plate, a second optical compensation layer, a second protective layer, and a second polarizer in the stated order. The first optical compensation layer is arranged between the first protective layer and the first negative C plate to be in close contact with the first protective layer without using any adhesive. The second optical compensation layer is arranged between the second negative C plate and the second protective layer to be in close contact with the second protective layer without using any adhesive.Type: ApplicationFiled: January 26, 2007Publication date: June 3, 2010Applicant: NITTO DENKO CORPORATIONInventors: Ikuo Kawamoto, Seiji Umemoto, Takashi Kamijou, Hideyuki Yonezawa, Kazuya Hada, Kentarou Kobayashi
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Patent number: 7619706Abstract: A liquid crystal panel including a liquid crystal cell having an improved contrast ratio in an oblique direction and an improved color shift in an oblique direction is provided. A liquid crystal panel according to the present invention includes: a liquid crystal cell; a first polarizer arranged on one side of the liquid crystal cell; a second polarizer arranged on another side of the liquid crystal cell; a negative C plate and a negative A plate arranged between the liquid crystal cell and the first polarizer; and an isotropic optical element arranged between the liquid crystal cell and the second polarizer. The negative C plate is arranged between the first polarizer and the negative A plate.Type: GrantFiled: February 6, 2006Date of Patent: November 17, 2009Assignee: Nitto Denko CorporationInventors: Shuuji Yano, Kenji Yoda, Kentarou Kobayashi, Kanako Itou
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Patent number: 7602462Abstract: It is the object of the present invention to provide a polarizing element capable of increasing a contrast ratio in an oblique direction and reducing a color shift in an oblique direction of a liquid crystal display apparatus. A polarizing element according to the present invention includes a polarizer, a negative C plate, a positive A plate, and a positive C plate each arranged on one side of the polarizer. The positive A plate is arranged between the polarizer and the positive C plate such that a slow axis of the positive A plate is substantially perpendicular to an absorption axis of the polarizer. The positive C plate has RthPC[590] of ?60 nm or less.Type: GrantFiled: February 15, 2006Date of Patent: October 13, 2009Assignee: Nitto Denko CorporationInventors: Naoki Koishi, Shuuji Yano, Kenji Yoda, Kentarou Kobayashi, Masatoshi Tomonaga, Naoto Ooe
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Publication number: 20090231519Abstract: A liquid crystal display panel includes a liquid crystal cell, a first polarizing plate placed on one side of the liquid crystal cell, a second polarizing plate placed on the other side of the liquid crystal cell, a retardation film placed between the liquid crystal cell and the first polarizing plate, and a pressure-sensitive adhesive layer placed between the liquid crystal cell and the retardation film, wherein the first and second polarizing plates have absorption axes whose directions are substantially orthogonal to each other, the retardation film is a norbornene resin-containing stretched film and has a refractive index ellipsoid satisfying the relation nx?nz>ny, and the pressure-sensitive adhesive layer includes a pressure-sensitive adhesive that may be produced by crosslinking a composition including a (meth)acrylate (co)polymer and a crosslinking agent including a peroxide as a main component.Type: ApplicationFiled: September 14, 2006Publication date: September 17, 2009Applicant: NITTO DENKO CORPORATIONInventors: Yuusuke Toyama, Masayuki Satake, Kenji Yoda, Kentarou Kobayashi, Shuuji Yano
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Patent number: 7557882Abstract: The present invention provides a liquid crystal display including: a liquid crystal panel; and a lighting device disposed on one side of the liquid crystal panel, the liquid crystal panel including: a liquid crystal cell; a first polarizer disposed on one side of the liquid crystal cell; a second polarizer disposed on the other side of the liquid crystal cell; and a first optical element disposed between the liquid crystal cell and the first polarizer; the absorption axis direction of the first polarizer being substantially perpendicular to the absorption axis direction of the second polarizer, the first optical element having an optical indicatrix having a relationship of nx?nz>ny, the lighting device having: a maximum value of luminance in the wavelength range of 550±50 nm; and a relative luminance at a wavelength of 450 nm is 0.28 or less.Type: GrantFiled: November 22, 2006Date of Patent: July 7, 2009Assignee: Nitto Denko CorporationInventors: Kentarou Kobayashi, Masaki Hayashi, Shuuji Yano
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Patent number: 7463320Abstract: A liquid crystal panel according to an embodiment of the present invention includes: a liquid crystal cell; a first polarizer arranged on one side of the liquid crystal cell; a second polarizer arranged on another side of the liquid crystal cell; a negative biaxial optical element and a positive C plate arranged between the liquid crystal cell and the first polarizer; and an isotropic optical element arranged between the liquid crystal cell and the second polarizer. Here, the negative biaxial optical element is arranged between the first polarizer and the positive C plate.Type: GrantFiled: November 3, 2005Date of Patent: December 9, 2008Assignee: Nitto Denko CorporationInventors: Kentarou Kobayashi, Shuuji Yano, Naoki Koishi