Patents by Inventor Seiji Kondo
Seiji Kondo 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: 9164210Abstract: There is provided an optical laminate that significantly suppresses the warping of a liquid crystal panel and can realize high contrast. An optical laminate of the present invention includes: a polarizing film having a thickness of 10 ?m or less; and a reflective polarization film. A liquid crystal panel of the present invention includes: a liquid crystal cell; and the optical laminate of the present invention. According to another aspect of the present invention, an optical laminate set is provided. The optical laminate set includes: a first optical laminate that is the optical laminate of the present invention as described above; and a second optical laminate including a polarizing film having a thickness larger than the thickness of the polarizing film of the first optical laminate by 5 ?m or more.Type: GrantFiled: July 25, 2012Date of Patent: October 20, 2015Assignee: NITTO DENKO CORPORATIONInventors: Hiroaki Sawada, Tatsuya Araki, Seiji Kondo, Minoru Miyatake
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Patent number: 9081146Abstract: A polarizing membrane according to an embodiment of the present invention includes a polyvinyl alcohol-based resin membrane containing a dichromatic substance. The polyvinyl alcohol-based resin membrane has an Nz coefficient of 1.10 or more and 1.50 or less.Type: GrantFiled: March 16, 2012Date of Patent: July 14, 2015Assignee: NITTO DENKO CORPORATIONInventors: Tatsuya Araki, Seiji Kondo, Yutaka Fujita, Atsushi Muraoka, Hiroaki Sawada
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Publication number: 20150192055Abstract: A muffler comprises an outer shell, an outlet pipe, and a restraining mechanism. A restraining mechanism restrains a height of spout of a liquid that flows inside the outlet pipe through a designated vent hole, the designated vent hole is at least one vent hole facing against a bottom surface of the outer shell among the at least one vent hole that the outlet pipe comprises.Type: ApplicationFiled: August 28, 2013Publication date: July 9, 2015Inventors: Seiji Kondo, Masahiro Kajikawa, Masayuki Sudoh
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Patent number: 9019608Abstract: An objective of the present invention is to alleviate streaky display unevenness that occurs in liquid crystal display elements when feeding optical function film from a continuous roll having score lines in the width direction thereof and bonding the optical function film on a liquid crystal panel. A continuous roll comprises an optical film laminate (15) that is in the form of a continuous web wound into a roll and comprises at least an optical function film (10) and a carrier film (13) releasably placed on the optical function film (10). The optical function film (10) is divided into a plurality of cut pieces by score lines (16) formed along a widthwise direction of the optical film laminate (15). It is possible to resolve the problem by making the bending rigidity per unit longitudinal length of the optical function film fall within a specific range.Type: GrantFiled: August 9, 2011Date of Patent: April 28, 2015Assignee: Nitto Denko CorporationInventors: Satoshi Hirata, Seiji Umemoto, Seiji Kondo, Takuya Nakazono
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Patent number: 9019609Abstract: An objective of the present invention is to alleviate streaky display unevenness that occurs in liquid crystal display elements when feeding optical function film from a continuous roll having score lines in the width direction thereof and bonding the optical function film on a liquid crystal panel. A continuous roll comprises an optical film laminate (15) that is in the form of a continuous web wound into a roll and comprises at least an optical function film (10) and a carrier film (13) releasably placed on the optical function film (10). The optical function film (10) is divided into a plurality of cut pieces by score lines (16) formed along a widthwise direction of the optical film laminate (15). It is possible to resolve the problem by making the bending rigidity per unit longitudinal length of the optical function film fall within a specific range.Type: GrantFiled: August 9, 2011Date of Patent: April 28, 2015Assignee: Nitto Denko CorporationInventors: Satoshi Hirata, Seiji Umemoto, Seiji Kondo, Takuya Nakazono
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Publication number: 20150027626Abstract: A manufacturing method for a liquid crystal display panel includes slitting a first optical film having an elongate shape, to have a width corresponding to a pair of opposing sides of a liquid crystal cell, and by rolling the slit first optical film in its width direction to have a length corresponding to another pair of opposing sides of the liquid crystal cell; slitting a second optical film having an elongate shape, to have a width corresponding to a pair of opposing sides of the liquid crystal cell, and by rolling the slit second optical film in its width direction to have a length corresponding to another pair of opposing sides of the liquid crystal cell; bonding the cut first optical film onto one surface of the liquid crystal cell; and bonding the cut second optical film onto another surface of the liquid crystal cell.Type: ApplicationFiled: March 14, 2013Publication date: January 29, 2015Applicant: NITTO DENKO CORPORATIONInventors: Kazuya Hada, Seiji Kondo, Satoshi Hirata
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Publication number: 20150029447Abstract: An optical film roll is disclosed capable of realizing excellent display characteristics while maintaining manufacturing efficiency. The optical film roll has a width corresponding to a pair of opposite sides of a liquid crystal cell and is used by being cut to a length corresponding to another pair of opposite sides of the liquid crystal cell to be continuously attached to a surface of the liquid crystal cell. The optical film roll includes a long optical film wound into a roll shape, the long optical film being obtained by subjecting a long optical raw film, which includes a polarizing film having an absorption axis in its width direction, to a slitting process in a machine direction while conveying the long optical raw film in its lengthwise direction. The polarizing film includes a polyvinyl alcohol-based resin film that contains a dichromatic substance and has an Nz coefficient of 1.10 or more.Type: ApplicationFiled: March 14, 2013Publication date: January 29, 2015Applicant: NITTO DENKO CORPORATIONInventors: Satoshi Hirata, Tatsuya Araki, Seiji Kondo, Kazuya Hada
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Publication number: 20150020960Abstract: An object of the invention is to provide a method for manufacturing an optical display panel. The method includes a feeding step including feeding an optical cell with a thickness of 0.2 mm to 1.0 mm by means of a feed roller unit arranged perpendicular to a direction in which the optical cell is fed; a bonding step including feeding a long carrier film from a continuous roll and bonding a sheet piece of the optical film to a lower surface of the optical cell with the pressure-sensitive adhesive interposed therebetween, wherein the lower surface is on a side in contact with the feed roller unit; and a rotation step including rotating the optical cell by 90° with respect to the direction in which the optical cell is fed which is bonded in the bonding step.Type: ApplicationFiled: February 18, 2013Publication date: January 22, 2015Applicant: NITTO DENKO CORPORATIONInventors: Satoshi Hirata, Seiji Kondo, Seiji Umemoto
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Publication number: 20150002792Abstract: An optical film roll is disclosed capable of realizing excellent display characteristics while maintaining manufacturing efficiency. The optical film roll has a width corresponding to a pair of opposite sides of a liquid crystal cell and is used by being cut to a length corresponding to another pair of opposite sides of the liquid crystal cell to be continuously attached to a surface of the liquid crystal cell. The optical film roll includes a long optical film wound into a roll shape, the long optical film being obtained by subjecting a long optical raw film, which is produced by laminating a polarizing film having an absorption axis in its width direction, and a reflective polarizing film having a reflection axis in its width direction, to a slitting process in a machine direction while conveying the long optical raw film in its lengthwise direction.Type: ApplicationFiled: March 14, 2013Publication date: January 1, 2015Applicant: NITTO DENKO CORPORATIONInventors: Satoshi Hirata, Seiji Kondo, Kazuya Hada
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Publication number: 20140378020Abstract: A manufacturing method for a liquid crystal display panel includes the steps of slitting a first optical film which includes a polarizing film having an absorption axis in its width direction, the polarizing film including a polyvinyl alcohol-based resin film containing a dichromatic substance and has an Nz coefficient of 1.10 or more, and rolling the slit first optical film in its width direction; slitting a second optical film, which includes a polarizing film having an absorption axis in its longitudinal direction, and rolling the slit second optical film in its width direction; bonding the cut first optical film onto one surface of the liquid crystal cell; and bonding the cut second optical film onto another surface of the liquid crystal cell.Type: ApplicationFiled: March 14, 2013Publication date: December 25, 2014Applicant: NITTO DENKO CORPORATIONInventors: Kazuya Hada, Tatsuya Araki, Seiji Kondo, Satoshi Hirata
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Patent number: 8894795Abstract: The method for manufacturing a liquid crystal display device includes carrier film feeding steps including feeding long carrier films from continuous rolls, respectively; peeling steps including folding back each of the carrier films at a front end part placed on a carrier film feed path so that the optical films are peeled off from the carrier films, respectively; and bonding steps including bonding the optical films to the viewer side and back side of a liquid crystal panel, wherein in the bonding steps, the optical films are bonded to the liquid crystal panel in such a manner that the number of times the optical film is bonded to the back side of the liquid crystal panel is greater than the number of times the optical film is bonded to the viewer side of the liquid crystal panel.Type: GrantFiled: May 2, 2012Date of Patent: November 25, 2014Assignee: Nitto Denko CorporationInventors: Kazuya Hada, Satoshi Hirata, Seiji Kondo, Seiji Umemoto
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Patent number: 8893759Abstract: A system for manufacturing a liquid crystal display device, comprising a panel turning mechanism that has: a long side-supporting part for supporting the liquid crystal panel by coming into contact with an end face along at least one long side of the liquid crystal panel; and a short side-supporting part for supporting the liquid crystal panel by coming into contact with an end face along at least one short side of the liquid crystal panel and is configured to turn over the liquid crystal panel about an axis not parallel to any of the long and short sides of the liquid crystal panel in such a manner that the positional relationship between the long and short sides is reversed while both the long and short sides are supported.Type: GrantFiled: February 7, 2013Date of Patent: November 25, 2014Assignee: Nitto Denko CorporationInventors: Satoshi Hirata, Seiji Kondo
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Patent number: 8888937Abstract: The method for continuously manufacturing a liquid crystal display device, includes: a peeling step of peeling off a sheet piece of a pressure-sensitive adhesive-containing polarizing film from a carrier film; a taking-up step of taking up the carrier film; a bonding step of bonding the sheet piece to a liquid crystal panel with the pressure-sensitive adhesive interposed therebetween; and a velocity control step of controlling V1 and V2 so that in a process of bonding the sheet piece to the liquid crystal panel, the relation V1=V2 can be satisfied during a period from a bonding start time when bonding the sheet piece to the liquid crystal panel is started to a time when the sheet piece is peeled off from the carrier film and that the relation V1<V2 can be satisfied at a certain time after the sheet piece in a course of being bonded to the liquid crystal panel is peeled from the carrier film and before the bonding of the sheet piece to the liquid crystal panel is completed, wherein V1 represents a velociType: GrantFiled: July 18, 2011Date of Patent: November 18, 2014Assignee: Nitto Denko CorporationInventors: Kazuya Hada, Satoshi Hirata, Seiji Kondo
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Patent number: 8864435Abstract: A turnover device of a liquid crystal panel which comprises: a panel holding portion including a base, a panel face supporting portion having plural pairs of panel face touching portions to support both panel faces of a liquid crystal panel, a supporting arm of a panel long edge having a long edge touching portion to support a long edge of the panel, and a supporting arm of a panel short edge having a short edge touching portion to support a short edge of the panel; and a driving portion including a rotation shift to form a right angle with a bisector to divide an angle formed by the long edge touching portion and the short edge touching portion, and an actuator for turnover to rotate and drive the rotation shaft.Type: GrantFiled: May 25, 2012Date of Patent: October 21, 2014Assignee: Nitto Denko CorporationInventors: Satoshi Hirata, Seiji Kondo
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Patent number: 8825055Abstract: Provided is a handover originating base station which transmits data to a handover destination base station, for performing mobile communication terminal handover in a mobile communication system. The handover originating base station is provided with a means for transmitting data whose transmission is not confirmed by a communication terminal, with information which indicates data transmitted just before.Type: GrantFiled: June 24, 2013Date of Patent: September 2, 2014Assignee: NEC CorporationInventors: Jun Nagata, Naoto Itaba, Seiji Kondo, Sadafuku Hayashi
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Patent number: 8790480Abstract: Provided are a system and a method for manufacturing a liquid crystal display device, comprising a panel turning mechanism that has: a long side-supporting part for supporting the liquid crystal panel by coming into contact with an end face along at least one long side of the liquid crystal panel; and a short side-supporting part for supporting the liquid crystal panel by coming into contact with an end face along at least one short side of the liquid crystal panel and is configured to turn over the liquid crystal panel about an axis not parallel to any of the long and short sides of the liquid crystal panel in such a manner that the positional relationship between the long and short sides is reversed while both the long and short sides are supported.Type: GrantFiled: March 1, 2011Date of Patent: July 29, 2014Assignee: Nitto Denko CorporationInventors: Satoshi Hirata, Seiji Kondo
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Publication number: 20140124966Abstract: A method for manufacturing a treated resin film from a long resin film, the method including at least treatment steps each including treating the long resin film by bringing the long resin film into contact with a treatment liquid in a treatment tank, while feeding the long resin film, wherein at least one of the treatment steps is a one-side contact step including bringing a lower surface of the resin film into contact with a surface of the treatment liquid in the treatment tank that is filled with the treatment liquid, and nip rolls are placed downstream of at least one one-side treatment tank for the one-side treatment step. The method is capable of satisfying the properties required of the treated film and also capable of reducing the occurrence of scratches, dents, and other defects.Type: ApplicationFiled: July 5, 2012Publication date: May 8, 2014Applicant: NITTO DENKO CORPORATIONInventors: Kazuya Hada, Satoshi Hirata, Masakazu Mochizuki, Seiji Kondo
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Publication number: 20140125925Abstract: There is provided an optical laminate that significantly suppresses the warping of a liquid crystal panel and can realize high contrast. An optical laminate of the present invention includes: a polarizing film having a thickness of 10 ?m or less; and a reflective polarization film. A liquid crystal panel of the present invention includes: a liquid crystal cell; and the optical laminate of the present invention. According to another aspect of the present invention, an optical laminate set is provided. The optical laminate set includes: a first optical laminate that is the optical laminate of the present invention as described above; and a second optical laminate including a polarizing film having a thickness larger than the thickness of the polarizing film of the first optical laminate by 5 ?m or more.Type: ApplicationFiled: July 25, 2012Publication date: May 8, 2014Applicant: NITTO DENKO CORPORATIONInventors: Hiroaki Sawada, Tatsuya Araki, Seiji Kondo, Minoru Miyatake
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Patent number: 8710413Abstract: There is provided an optical analysis technique enabling the detection of the condition or characteristic of a particle to be observed contained at a low concentration or number density in a sample solution. The inventive optical analysis technique uses an optical system capable of detecting light from a micro region in a solution, such as an optical system of a confocal microscope or a multiphoton microscope, to detect the light from the light-emitting particle to be observed while moving the position of the micro region in the sample solution (while scanning the inside of the sample solution with the micro region), thereby detecting individually the light-emitting particle crossing the inside of the micro region to enable the counting of the light-emitting particle(s) or the acquisition of the information on the concentration or number density of the light-emitting particle.Type: GrantFiled: August 28, 2012Date of Patent: April 29, 2014Assignee: Olympus CorporationInventors: Mitsushiro Yamaguchi, Seiji Kondo, Tetsuya Tanabe, Kunio Hori
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Publication number: 20140090779Abstract: A method includes a first bonding step including providing a first polarizing film obtained by transversely cutting a first long polarizing film having an absorption axis in its longitudinal direction, supplying the first polarizing film from a first optical film roll, and bonding the first polarizing film to a back side of the optical cell while feeding the optical cell; and a second bonding step including providing a linearly polarized light separating film obtained by transversely cutting a long linearly polarized light separating film having a reflection axis in its transverse direction, supplying the linearly polarized light separating film from a second optical film roll, and bonding the linearly polarized light separating film onto the first polarizing film bonded to the back side of the optical cell, while feeding the optical cell.Type: ApplicationFiled: May 2, 2012Publication date: April 3, 2014Applicant: NITTO DENKO CORPORATIONInventors: Kazuya Hada, Satoshi Hirata, Seiji Kondo