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).
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Patent number: 9840622Abstract: 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: GrantFiled: February 6, 2017Date of Patent: December 12, 2017Assignee: FUJILM CORPORATIONInventors: Tomohito Masaki, Junichi Miyadai
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Patent number: 9809710Abstract: 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: GrantFiled: February 6, 2017Date of Patent: November 7, 2017Assignee: FUJILM CORPORATIONInventors: Tomohito Masaki, Junichi Miyadai
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Publication number: 20170145215Abstract: 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: ApplicationFiled: February 6, 2017Publication date: May 25, 2017Inventors: Tomohito MASAKI, Junichi MIYADAI
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Publication number: 20100249461Abstract: 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: ApplicationFiled: June 8, 2010Publication date: September 30, 2010Inventors: Tomohito MASAKI, Keizo Kimura, Osamu Uchida
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Patent number: 7759504Abstract: 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: GrantFiled: April 10, 2008Date of Patent: July 20, 2010Assignee: Fujifilm CorporationInventors: Tomohito Masaki, Keizo Kimura, Osamu Uchida
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Patent number: 7473802Abstract: 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: GrantFiled: September 1, 2006Date of Patent: January 6, 2009Assignee: FUJIFILM CorporationInventors: Keizo Kimura, Tomohito Masaki, Osamu Uchida, Katsuyoshi Yamakawa
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Publication number: 20080255387Abstract: 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: ApplicationFiled: April 10, 2008Publication date: October 16, 2008Inventors: Tomohito MASAKI, Keizo Kimura, Osamu Uchida
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Publication number: 20080255388Abstract: 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: ApplicationFiled: April 10, 2008Publication date: October 16, 2008Inventors: Tomohito MASAKI, Keizo Kimura, Osamu Uchida
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Publication number: 20080221355Abstract: 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: ApplicationFiled: September 1, 2006Publication date: September 11, 2008Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Keizo Kimura, Tomohito Masaki, Osamu Uchida, Katsuyoshi Yamakawa
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Patent number: 7217839Abstract: 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: GrantFiled: September 6, 2006Date of Patent: May 15, 2007Assignee: Fujifilm CorporationInventors: Keizo Kimura, Tomohito Masaki, Katsuyoshi Yamakawa
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Publication number: 20070055071Abstract: 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: ApplicationFiled: September 6, 2006Publication date: March 8, 2007Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Keizo Kimura, Tomohito Masaki, Katsuyoshi Yamakawa