Patents by Inventor Hisato Nagase

Hisato Nagase 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).

  • Patent number: 10428042
    Abstract: An object of the present invention is to provide a novel compound useful for manufacturing salacinol, a method for manufacturing the compound, a method for manufacturing salacinol, methods for protecting and deprotecting a diol group, and a protective agent for a diol group. A compound represented by Formula (1) is a compound useful for manufacturing salacinol. (In the formula, each of R1a and R1b is a hydrogen atom or a hydroxy protective group; R2 is a hydroxy group or the like; and R3 is a hydroxy group or the like.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: October 1, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Koki Nakamura, Hisato Nagase, Yuuta Fujino, Katsuyuki Watanabe, Taiji Katsumata
  • Publication number: 20180327378
    Abstract: An object of the present invention is to provide a novel compound useful for manufacturing salacinol, a method for manufacturing the compound, a method for manufacturing salacinol, methods for protecting and deprotecting a diol group, and a protective agent for a diol group. A compound represented by Formula (1) is a compound useful for manufacturing salacinol. (In the formula, each of R1a and R1b is a hydrogen atom or a hydroxy protective group; R2 is a hydroxy group or the like; and R3 is a hydroxy group or the like.
    Type: Application
    Filed: July 24, 2018
    Publication date: November 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Koki NAKAMURA, Hisato NAGASE, Yuuta FUJINO, Katsuyuki WATANABE, Taiji KATSUMATA
  • Patent number: 10059686
    Abstract: An object of the present invention is to provide a novel compound useful for manufacturing salacinol, a method for manufacturing the compound, a method for manufacturing salacinol, methods for protecting and deprotecting a diol group, and a protective agent for a diol group. A compound represented by Formula (1) is a compound useful for manufacturing salacinol. (In the formula, each of R1a and R1b is a hydrogen atom or a hydroxy protective group; R2 is a hydroxy group or the like; and R3 is a hydroxy group or the like.).
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: August 28, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Koki Nakamura, Hisato Nagase, Yuuta Fujino, Katsuyuki Watanabe, Taiji Katsumata
  • Publication number: 20180009777
    Abstract: An object of the present invention is to provide a novel compound useful for manufacturing salacinol, a method for manufacturing the compound, a method for manufacturing salacinol, methods for protecting and deprotecting a diol group, and a protective agent for a diol group. A compound represented by Formula (1) is a compound useful for manufacturing salacinol. (In the formula, each of R1a and R1b is a hydrogen atom or a hydroxy protective group; R2 is a hydroxy group or the like; and R3 is a hydroxy group or the like.
    Type: Application
    Filed: September 20, 2017
    Publication date: January 11, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Koki NAKAMURA, Hisato NAGASE, Yuuta FUJINO, Katsuyuki WATANABE, Taiji KATSUMATA
  • Patent number: 9802913
    Abstract: An object of the present invention is to provide a novel compound useful for manufacturing salacinol, a method for manufacturing the compound, a method for manufacturing salacinol, methods for protecting and deprotecting a diol group, and a protective agent for a diol group. A compound represented by Formula (1) is a compound useful for manufacturing salacinol. (In the formula, each of R1a and R1b is a hydrogen atom or a hydroxy protective group; R2 is a hydroxy group or the like; and R3 is a hydroxy group or the like.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: October 31, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Koki Nakamura, Hisato Nagase, Yuuta Fujino, Katsuyuki Watanabe, Taiji Katsumata
  • Publication number: 20170001974
    Abstract: An object of the present invention is to provide a novel compound useful for manufacturing salacinol, a method for manufacturing the compound, a method for manufacturing salacinol, methods for protecting and deprotecting a diol group, and a protective agent for a diol group. A compound represented by Formula (1) is a compound useful for manufacturing salacinol. (In the formula, each of R1a and R1b is a hydrogen atom or a hydroxy protective group; R2 is a hydroxy group or the like; and R3 is a hydroxy group or the like.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Koki NAKAMURA, Hisato NAGASE, Yuuta FUJINO, Katsuyuki WATANABE, Taiji KATSUMATA
  • Publication number: 20160124123
    Abstract: A cellulose acylate film, containing at least: a cellulose acylate; and a compound represented by the following Formula (I): wherein R1, R3 and R5 each independently designate a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, or an aromatic group, which groups may have a further substituent; with the proviso that at least one of R1, R3 and R5 is an alkyl group substituted with a group having a ring structure or a cycloalkyl group, and the total number of the ring structures existing in R1, R3 and R5 is 3 or more.
    Type: Application
    Filed: January 8, 2016
    Publication date: May 5, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Masaki NORO, Yutaka NOZOE, Hiroshi INADA, Naoya SHIMOJU, Hisato NAGASE, Hiroyuki HAGIO, Yu NAITO, Nobutaka FUKAGAWA
  • Publication number: 20150185368
    Abstract: An optical film containing a cellulose acylate, and a compound represented by formula (I); a polarizing plate and a liquid crystal display device using the optical film; and a compound represented by formula (I): wherein R1a and R1a each independently represent a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, a cycloalkenyl group, an aryl group, or a heterocyclic group; R5a represents a halogen atom, a cyano group, or a substituent, via a heteroatom or the carbon atom, which has a specific unsaturated moiety in an a-position; R5b represents a substituent; and each group of R1a, R3a and R5b may be substituted with a substituent.
    Type: Application
    Filed: December 15, 2014
    Publication date: July 2, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Hisato NAGASE, Hiroyuki HAGIO, Hiroyuki ISHIKAWA, Naoya SHIMOJU, Aiko YOSHIDA, Yu NAITO
  • Patent number: 8896774
    Abstract: To provide an optical film which may be used as a ?/4 plate and may provide a display device which has specific optical characteristics, may be manufactured with high productivity and has an excellent 3D-display performance. To provide a 3D-display device having a physical properties having excellent antireflective property and light fastness with high productivity. An optical film having at least one optically anisotropic layer, wherein an in-plane retardation. Re at an arbitrary wavelength in a visible light region is 80 nm to 201 nm, an Nz value represented by the following equation is 0.1 to 0.9, and when the in-plane retardations at wavelengths of 450 nm, 550 nm and 650 nm are referred to as Re450, Re550 and Re650, respectively, Re450/Re550 is 1.18 or less and Re650/Re550 is 0.93 or more. Nz=0.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: November 25, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Yuta Takahashi, Hisato Nagase
  • Publication number: 20130057809
    Abstract: There is provided an optically-compensatory sheet including, at least one optically anisotropic layer containing a discotic liquid crystalline compound on a transparent support, wherein the optically anisotropic layer contains a boronic acid compound represented by the following Formula (I): wherein, each of R1 and R2 independently represents a hydrogen atom, a substituted or unsubstituted aliphatic hydrocarbon group, an aryl group or a hetero cyclic group, and R1 and R2 may be linked to each other to form a ring, and R3 represents a substituted or unsubstituted, a substituted or unsubstituted aliphatic hydrocarbon group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group.
    Type: Application
    Filed: August 31, 2012
    Publication date: March 7, 2013
    Inventors: Shun Nakamura, Hideyuki Nishikawa, Hisato Nagase, Ayako Muramatsu, Taketo Otani
  • Patent number: 8288314
    Abstract: A heat-sensitive transfer sheet, containing: a base film; a dye layer; and a heat-resistant lubricating layer containing talc particles; wherein, when a projected area corresponding to each of the talc particles in the heat-resistant lubricating layer is obtained from an electron beam image that is obtained by irradiating electron beams accelerated at 20 kV from a side of the heat-resistant lubricating layer of the heat-sensitive transfer sheet using a scanning electronic microscope, an average projected area of talc particles each having the projected area of 10 square ?m or more is 80 square ?m or less, and a variation coefficient that is obtained by dividing a standard deviation of the projected areas of talc particles each having the projected area of 10 square ?m or more by the average projected area is 0.8 or less.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: October 16, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Akito Yokozawa, Junichiro Hosokawa, Naotsugu Muro, Hisato Nagase
  • Patent number: 8258079
    Abstract: A heat-sensitive transfer sheet, having: a base film; a dye layer; and a heat-resistant lubricating layer; wherein the heat-resistant lubricating layer contains a specific compound, and wherein, when a characteristic X-ray intensity originated from K-line of phosphorus element in the heat-resistant lubricating layer is measured with respect to each points within a 200 ?m square region, the largest value of the characteristic X-ray intensity is at least 2.5 times or more relative to the smallest value of the characteristic X-ray intensity within the 200 ?m square region, and a plurality of maximum regions having a maximum value of the characteristic X-ray intensity exist in the 200 ?m square region, and a variation coefficient that is obtained by dividing a standard deviation of the maximum values of the characteristic X-ray intensity among these maximum regions with an average value of the characteristic X-ray intensities is 0.25 or less.
    Type: Grant
    Filed: September 30, 2009
    Date of Patent: September 4, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Akito Yokozawa, Shinichi Teramae, Naotsugu Muro, Hisato Nagase
  • Patent number: 8173226
    Abstract: A polymerizable compound represented by the following formula (1): wherein, in the formula (1), R1 represents any one of a hydrogen atom, a substituted alkyl group, and an unsubstituted alkyl group; R2 represents an alkylene group; W represents any one of —CO—, —C(?O)O—, —CONH—, —OC(?O)—, and a phenylene group; X represents any one of —CO—, —NHCO—, —OC(?O)—, —CH(OH)CH2—, and —SO2—; R3 and R4 represent a monovalent substituent; R3 and R4 may be bound to each other to form a ring structure; and m and n each independently represent 0 or 1.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: May 8, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Norihide Shimohara, Hisato Nagase, Shigetomo Tsujihata
  • Patent number: 8076392
    Abstract: An ink composition containing at least a polymerizable composition, a pigment, and a polymer represented by General Formula (1): where R1 represents an (m+n)-valent organic linking group, R2 represents a single bond or divalent organic linking group; A1 represents a monovalent organic group having a pigment adsorption structure that contains at least one selected from organic pigment structure, heterocyclic structure, acidic group, group having a basic nitrogen atom, urea group, urethane group, group having a coordinating oxygen atom, hydrocarbon group having 4 or more carbon atoms, alkoxysilyl group, epoxy group, isocyanate group, and hydroxyl group; the n groups A1 and bonds or groups R2 may independently be the same or different; “m” is 1 to 8, “n” is 2 to 9, and m+n is 3 to 10; P1 represents a polymer skeleton; and the m skeletons P1 may be the same or different.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: December 13, 2011
    Assignee: Fujifilm Corporation
    Inventors: Norihide Shimohara, Hisato Nagase, Hidenori Takahashi
  • Patent number: 8053390
    Abstract: A heat-sensitive transfer sheet, containing a substrate, at least one thermal transfer layer containing a thermally transferable dye and a resin, disposed on one surface of the substrate, and a heat-resistant slipping layer disposed on another surface of the substrate, wherein said at least one thermal transfer layer contains at least one kind of polymer type releasing agent having a mass-average molecular weight of 5,000 to 100,000 and also having a fluorine-substituted aliphatic group at a side chain of the polymer, and at least one kind of non-polymer type fluorine-system surfactant.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: November 8, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Junichiro Hosokawa, Hideyuki Shirai, Hidekazu Sakai, Hisato Nagase
  • Patent number: 7888401
    Abstract: An active energy ray-curable ink composition, which contains a compound having, in its molecule, an oxetane ring and at least one selected from a dioxolane ring, a dioxane ring, and a dioxepane ring; an ink composition, which contains a cationically-polymerizable compound having, in its molecule, both an oxetane ring and a bicycloorthoester ring; an inkjet ink, which contains the active energy ray-curable ink composition or the ink composition; and an image-forming method and a recorded material, using the inkjet ink; an oxetane compound of a specific structure.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: February 15, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Hisato Nagase, Takehiko Sato
  • Publication number: 20110007123
    Abstract: A thermal transfer sheet having a dye layer containing a thermo-transferable dye in a binder resin, wherein the dye layer contains at least one polymer containing a repetitive unit derived from (a) a monomer of the following formula (1) and (b) a monomer having an aliphatic group that has a bridging linkage and has at least 7 carbon atoms: wherein Rf represents substituent containing a fluoroalkyl or perfluoroalkyl group having at least 8 fluorine atoms, n indicates 1 or 2, and R1 represents a hydrogen atom or a methyl group.
    Type: Application
    Filed: February 27, 2009
    Publication date: January 13, 2011
    Applicant: Fujifilm Corporation
    Inventors: Hisato Nagase, Junichiro Hosokawa, Hideyuki Shirai
  • Patent number: 7760219
    Abstract: A method of forming an image, containing superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet, and applying thermal energy from a side of a heat-resistant lubricating layer described below of the heat-sensitive transfer sheet, to form a thermally transferred image, in which the heat-sensitive transfer sheet comprises a substrate, a thermal transfer layer containing a thermally transferable dye and a resin on one face of the substrate, and the heat-resistant lubricating layer on the other face of the substrate; the heat-sensitive transfer image-receiving sheet comprise a support, and a heat insulation layer and a receptor layer on the support in this order; the thermal transfer layer contains a polymer compound having fluorine atom-substituted aliphatic groups on its side chains; and the receptor layer contains a latex polymer having a glass transition temperature of from 20° C. to 60° C.
    Type: Grant
    Filed: January 27, 2009
    Date of Patent: July 20, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Hideyuki Shirai, Junichiro Hosokawa, Yasufumi Nakai, Hisato Nagase
  • Publication number: 20100101714
    Abstract: A heat-sensitive transfer sheet, having: a base film; a dye layer; and a heat-resistant lubricating layer; wherein the heat-resistant lubricating layer contains a specific compound, and wherein, when a characteristic X-ray intensity originated from K-line of phosphorus element in the heat-resistant lubricating layer is measured with respect to each points within a 200 ?m square region, the largest value of the characteristic X-ray intensity is at least 2.5 times or more relative to the smallest value of the characteristic X-ray intensity within the 200 ?m square region, and a plurality of maximum regions having a maximum value of the characteristic X-ray intensity exist in the 200 ?m square region, and a variation coefficient that is obtained by dividing a standard deviation of the maximum values of the characteristic X-ray intensity among these maximum regions with an average value of the characteristic X-ray intensities is 0.25 or less.
    Type: Application
    Filed: September 30, 2009
    Publication date: April 29, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Akito YOKOZAWA, Shinichi TERAMAE, Naotsugu MURA, Hisato NAGASE
  • Publication number: 20100084082
    Abstract: A heat-sensitive transfer sheet, containing: a base film; a dye layer; and a heat-resistant lubricating layer containing talc particles; wherein, when a projected area corresponding to each of the talc particles in the heat-resistant lubricating layer is obtained from an electron beam image that is obtained by irradiating electron beams accelerated at 20 kV from a side of the heat-resistant lubricating layer of the heat-sensitive transfer sheet using a scanning electronic microscope, an average projected area of talc particles each having the projected area of 10 square ?m or more is 80 square ?m or less, and a variation coefficient that is obtained by dividing a standard deviation of the projected areas of talc particles each having the projected area of 10 square ?m or more by the average projected area is 0.8 or less.
    Type: Application
    Filed: September 30, 2009
    Publication date: April 8, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Akito YOKOZAWA, Junichiro HOSOKAWA, Naotsugu MURO, Hisato NAGASE