Patents by Inventor Tomohito Masaki

Tomohito Masaki 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: 9840622
    Abstract: Provided are an azo dye composition including an azo dye compound represented by Formula (I) and a urea compound represented by Formula (II), and a method for producing an azo dye composition. R11, R12, R13 and R14 each independently represent a hydrogen atom, a halogen atom, or an aliphatic group; R15 represents an aliphatic group; R21 and R22 each independently represent a hydrogen atom, an aliphatic group, or an aromatic group; and n represents an integer from 0 to 2.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: December 12, 2017
    Assignee: FUJILM CORPORATION
    Inventors: Tomohito Masaki, Junichi Miyadai
  • Patent number: 9809710
    Abstract: Provided are an azo dye composition including an azo dye compound represented by Formula (I) and a urea compound represented by Formula (II), and a method for producing an azo dye composition. R11, R12, R13 and R14 each independently represent a hydrogen atom, a halogen atom, or an aliphatic group; R15 represents an aliphatic group; R21 and R22 each independently represent a hydrogen atom, an aliphatic group, or an aromatic group; and n represents an integer from 0 to 2.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: November 7, 2017
    Assignee: FUJILM CORPORATION
    Inventors: Tomohito Masaki, Junichi Miyadai
  • Publication number: 20170145215
    Abstract: Provided are an azo dye composition including an azo dye compound represented by Formula (I) and a urea compound represented by Formula (II), and a method for producing an azo dye composition. R11, R12, R13 and R14 each independently represent a hydrogen atom, a halogen atom, or an aliphatic group; R15 represents an aliphatic group; R21 and R22 each independently represent a hydrogen atom, an aliphatic group, or an aromatic group; and n represents an integer from 0 to 2.
    Type: Application
    Filed: February 6, 2017
    Publication date: May 25, 2017
    Inventors: Tomohito MASAKI, Junichi MIYADAI
  • Publication number: 20100249461
    Abstract: A triarylamine derivative is represented by the following Formula (I). In Formula (I): R111, R112, R121, R122, R131 and R132 each independently represent a hydrogen atom, an aliphatic group or an aromatic group, provided that R131 and R132 are not both phenyl groups having a group represented by —NR141R142 at a fourth position; R141 and R142 each independently represent a hydrogen atom, an aliphatic group, or an aromatic group; R113, R123 and R133 each independently represent a substituent; n113, n123 and n133 each independently represent an integer of from 0 to 4; and X? represents a counteranion represented by any of the following Formulae (II) to (IV). In Formulae (II) to (IV), R211, R212, R311, R312, R411, R412 and R413 each independently represent an aliphatic group, an aromatic group or a heterocyclic group.
    Type: Application
    Filed: June 8, 2010
    Publication date: September 30, 2010
    Inventors: Tomohito MASAKI, Keizo Kimura, Osamu Uchida
  • Patent number: 7759504
    Abstract: A triarylamine derivative is represented by the following Formula (I). In Formula (I): R111, R112, R121 and R122 each independently represent a hydrogen atom, an aliphatic group or an aromatic group, R113, R114, R115, R116, R123, R124, R125 and R126 each independently represent a hydrogen atom or a substituent, provided that at least one pair among R111 and R121, R112 and R122, R113 and R123, R114 and R124, R115 and R125 and R116 and R126 includes two different groups; at least one ring may be formed by mutual bonding in at least one pair among R111 and R112, R111 and R114, R113 and R114, R113 and R123, R123 and R124, R121 and R124, R121 and R122, and two R116s which are respectively bound to different phenyl groups; Xm? represents an m-valent anion; m and n represent 1 or 2; and a product of in and n is 2.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: July 20, 2010
    Assignee: Fujifilm Corporation
    Inventors: Tomohito Masaki, Keizo Kimura, Osamu Uchida
  • Patent number: 7473802
    Abstract: A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with peroxomonosulfuric acid or its salt. wherein R111, R112, R121, R122, R131, R132, R141 and R142 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R103, R113, R123, R133 and R143 each independently represent a substituent; and n103, n113, n123, n133 and n143 each independently denote an integer from 0 to 4.
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: January 6, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Keizo Kimura, Tomohito Masaki, Osamu Uchida, Katsuyoshi Yamakawa
  • Publication number: 20080255387
    Abstract: A triarylamine derivative is represented by the following Formula (I). In Formula (I): R111, R112, R121 and R122 each independently represent a hydrogen atom, an aliphatic group or an aromatic group, R113, R114, R115, R116, R123, R124, R125 and R126 each independently represent a hydrogen atom or a substituent, provided that at least one pair among R111 and R121, R112 and R122, R113 and R123, R114 and R124, R115 and R125 and R116 and R126 includes two different groups; at least one ring may be formed by mutual bonding in at least one pair among R111 and R112, R111 and R114, R113 and R114, R113 and R123, R123 and R124, R121 and R124, R121 and R122, and two R116s which are respectively bound to different phenyl groups; Xm? represents an m-valent anion; m and n represent 1 or 2; and a product of in and n is 2.
    Type: Application
    Filed: April 10, 2008
    Publication date: October 16, 2008
    Inventors: Tomohito MASAKI, Keizo Kimura, Osamu Uchida
  • Publication number: 20080255388
    Abstract: A triarylamine derivative is represented by the following Foimula (I). In Formula (I): R111, R112, R121, R122, R131 and R132 each independently represent a hydrogen atom, an aliphatic group or an aromatic group, provided that R131 and R132 are not both phenyl groups having a group represented by —NR141R142 at a fourth position; R141 and R142 each independently represent a hydrogen atom, an aliphatic group, or an aromatic group; R113, R123 and R133 each independently represent a substituent; n113, n123 and n133 each independently represent an integer of from 0 to 4; and X? represents a counteranion represented by any of the following Formulae (II) to (IV). In Formulae (II) to (IV), R211, R212, R311, R312, R411, R412 and R413 each independently represent an aliphatic group, an aromatic group or a heterocyclic group.
    Type: Application
    Filed: April 10, 2008
    Publication date: October 16, 2008
    Inventors: Tomohito MASAKI, Keizo Kimura, Osamu Uchida
  • Publication number: 20080221355
    Abstract: A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with peroxomonosulfuric acid or its salt. wherein R111, R112, R121, R122, R131, R132, R141 and R142 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R103, R113, R123, R133 and R143 each independently represent a substituent; and n103, n113, n123, n133 and n143 each independently denote an integer from 0 to 4.
    Type: Application
    Filed: September 1, 2006
    Publication date: September 11, 2008
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Keizo Kimura, Tomohito Masaki, Osamu Uchida, Katsuyoshi Yamakawa
  • Patent number: 7217839
    Abstract: A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with halogenating agent. wherein R111, R112, R121, R122, R131, R132, R141 and R142 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R103, R113, R123, R133 and R143 each independently represent a substituent; and n103, n113, n123, n133 and n143 each independently denote an integer from 0 to 4.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: May 15, 2007
    Assignee: Fujifilm Corporation
    Inventors: Keizo Kimura, Tomohito Masaki, Katsuyoshi Yamakawa
  • Publication number: 20070055071
    Abstract: A method of producing a near-infrared absorbing dye compound, useful for image forming materials, infrared heat-sensitive recording devices, optical film materials, and the like, containing a process of reacting a compound represented by formula (I) with halogenating agent. wherein R111, R112, R121, R122, R131, R132, R141 and R142 each independently represent a hydrogen atom, an aliphatic group or an aromatic group; R103, R113, R123, R133 and R143 each independently represent a substituent; and n103, n113, n123, n133 and n143 each independently denote an integer from 0 to 4.
    Type: Application
    Filed: September 6, 2006
    Publication date: March 8, 2007
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Keizo Kimura, Tomohito Masaki, Katsuyoshi Yamakawa