Patents by Inventor Masaru Takasaki
Masaru Takasaki 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: 9987278Abstract: Provided are a pharmaceutical composition for treating an FLT3 mutation-positive cancer; a mutant FLT3 inhibitor; and uses thereof.Type: GrantFiled: February 17, 2017Date of Patent: June 5, 2018Assignee: FUJIFILM CorporationInventors: Tomoki Naoe, Hitoshi Kiyoi, Shinji Hagiwara, Masaru Takasaki, Daisuke Hirano, Toshiyuki Nakatani, Takeshi Yamaura
-
Publication number: 20170165262Abstract: Provided are a pharmaceutical composition for treating an FLT3 mutation-positive cancer; a mutant FLT3 inhibitor; and uses thereof.Type: ApplicationFiled: February 17, 2017Publication date: June 15, 2017Applicant: FUJIFILM CorporationInventors: Tomoki NAOE, Hitoshi KIYOI, Shinji HAGIWARA, Masaru TAKASAKI, Daisuke HIRANO, Toshiyuki NAKATANI, Takeshi YAMAURA
-
Patent number: 9145415Abstract: The object is to provide an Fms-like tyrosine kinase 3 (FLT3) inhibitor useful as a therapeutic agent for acute myeloid leukemia (AML). A novel nitrogen-containing heterocyclic compound represented by the general formula [1] or a salt thereof is provided. The compound or a salt thereof of the present invention can be used as an active ingredient of a pharmaceutical composition for a treatment of a disease or condition relating to FLT3, such as acute myeloid leukemia (AML) and acute promyelocytic leukemia (APL).Type: GrantFiled: October 16, 2014Date of Patent: September 29, 2015Assignee: FUJIFILM CorporationInventors: Masaru Takasaki, Toshiaki Tsujino, Shintarou Tanabe, Megumi Ookubo, Kimihiko Sato, Atsush Hirai, Daisuke Terada, Shinsuke Inuki, Shinsuke Mizumoto
-
Publication number: 20150045339Abstract: The object is to provide an Fms-like tyrosine kinase 3 (FLT3) inhibitor useful as a therapeutic agent for acute myeloid leukemia (AML). A novel nitrogen-containing heterocyclic compound represented by the general formula [1] or a salt thereof is provided. The compound or a salt thereof of the present invention can be used as an active ingredient of a pharmaceutical composition for a treatment of a disease or condition relating to FLT3, such as acute myeloid leukemia (AML) and acute promyelocytic leukemia (APL).Type: ApplicationFiled: October 16, 2014Publication date: February 12, 2015Applicant: FUJIFILM CORPORATIONInventors: Masaru TAKASAKI, Toshiaki TSUJINO, Shintarou TANABE, Megumi OOKUBO, Kimihiko SATO, Atsushi HIRAI, Daisuke TERADA, Shinsuke INUKI, Shinsuke MIZUMOTO
-
Patent number: 8222410Abstract: Provided is an azo pigment represented by the following general formula (1), a tautomer of the azo pigment, and a salt or a hydrate thereof: wherein Q represents the non-metallic atoms necessary to complete a 5- to 7-membered heterocyclic group, W represents an alkoxy group, an amino group, an alkyl group, or an aryl group, X1 and X2 each independently represents a hydrogen, an alkyl group, an acyl group, an alkylsulfonyl group, or an arylsulfonyl group, R1 represents a hydrogen or a substituent, R2 represents a heterocyclic group, n represents an integer of from 1 to 4 and the general formula (1) represents a dimer formed through Q, W, X1, X2, R1, or R2 when n=2, a trimer formed through Q, W, X1, X2, R1, or R2 when n=3, and a tetramer formed through Q, W, X1, X2, R1, or R2 when n=4.Type: GrantFiled: March 5, 2009Date of Patent: July 17, 2012Assignee: FUJIFILM CorporationInventors: Keiichi Tateishi, Shinya Hayashi, Masaru Takasaki, Nobuo Seto
-
Patent number: 8215760Abstract: An ink set includes at least a magenta ink composition and a cyan ink composition, wherein the magenta ink composition includes: at least one colorant selected from the group consisting of specific heterylazo dyes; and at least one colorant selected from the group consisting of specific anthrapyridone dyes, and the cyan ink composition includes at least one colorant selected from the group consisting of phthalocyanine compounds meeting requirements 1 and 2: Requirement 1: The ratio of the maximum absorbance within the absorption band of from 660 nm to 680 nm to the maximum absorbance within the absorption band of from 600 nm to 640 nm on the spectral absorption curve of aqueous solution is less than 1; and Requirement 2: The oxidation potential is more positive than 1.0 eV (vsSCE).Type: GrantFiled: January 19, 2007Date of Patent: July 10, 2012Assignee: FUJIFILM CorporationInventor: Masaru Takasaki
-
Publication number: 20110021763Abstract: Provided is an azo pigment represented by the following general formula (1), a tautomer of the azo pigment, and a salt or a hydrate thereof: wherein Q represents the non-metallic atoms necessary to complete a 5- to 7-membered heterocyclic group, W represents an alkoxy group, an amino group, an alkyl group, or an aryl group, X1 and X2 each independently represents a hydrogen, an alkyl group, an acyl group, an alkylsulfonyl group, or an arylsulfonyl group, R1 represents a hydrogen or a substituent, R2 represents a heterocyclic group, n represents an integer of from 1 to 4 and the general formula (1) represents a dimer formed through Q, W, X1, X2, R1, or R2 when n=2, a trimer formed through Q, W, X1, X2, R1, or R2 when n=3, and a tetramer formed through Q, W, X1, X2, R1, or R2 when n=4.Type: ApplicationFiled: March 5, 2009Publication date: January 27, 2011Applicant: FUJIFILM CORPORATIONInventors: Keiichi Tateishi, Shinya Hayashi, Masaru Takasaki, Nobuo Seto
-
Publication number: 20100231663Abstract: An ink set includes at least a magenta ink composition and a cyan ink composition, wherein the magenta ink composition comprises: at least one colorant selected from the group consisting of specific heterylazo dyes; and at least one colorant selected from the group consisting of specific anthrapyridone dyes, and the cyan ink composition comprises at least one colorant selected from the group consisting of phthalocyanine compounds meeting requirements 1 and 2: Requirement 1: The ratio of the maximum absorbance within the absorption band of from 660 nm to 680 nm to the maximum absorbance within the absorption band of from 600 nm to 640 nm on the spectral absorption curve of aqueous solution is less than 1; and Requirement 2: The oxidation potential is more positive than 1.0 eV (vsSCE).Type: ApplicationFiled: January 19, 2007Publication date: September 16, 2010Applicant: FUJIFILM CORPORATIONInventor: Masaru Takasaki
-
Publication number: 20100063262Abstract: A process for producing a 5-aminopyrazole derivative represented by Formula (I) includes a step of reacting a hydrazine compound represented by Formula (II) with a compound represented by Formula (III) under a condition satisfying Reaction Condition 1 and Reaction Condition 2, wherein Reaction Condition 1 is that the reaction is conducted in a reaction solvent containing water, and Reaction Condition 2 is that pH of a liquid mixture containing the hydrazine compound represented by Formula (II), the compound represented by Formula (III), the reaction solvent, and an acidifying agent upon charging is within a range of from 2.0 to 4.0 at 25° C.: wherein the symbols in the formulae (I) to (III) are defined in the specification.Type: ApplicationFiled: November 9, 2007Publication date: March 11, 2010Applicant: FUJIFILM CORPORATIONInventors: Keiichi Tateishi, Masaru Takasaki, Shigeaki Tanaka, Tadao Sekioka, Takahiro Morita
-
Patent number: 7648943Abstract: An azo dye represented by formula (II) as defined in the specification, a process of producing the same and a coloring composition containing the azo dye.Type: GrantFiled: July 7, 2005Date of Patent: January 19, 2010Assignee: Fujifilm CorporationInventors: Toshiki Fujiwara, Yoshihiko Fujie, Yoshiharu Yabuki, Masaru Takasaki
-
Patent number: 7438752Abstract: An ink composition which comprises: a dye which is represented by formula (1), which is described in the specification, and has at least one ionic hydrophilic group, wherein the dye has a molecular weight of from 310 to 500 per one ionic hydrophilic group, and a recording method which comprises: discharging ink droplets of the ink composition onto plain paper.Type: GrantFiled: February 2, 2007Date of Patent: October 21, 2008Assignee: FUJIFILM CorporationInventors: Yoshimitsu Arai, Masaru Takasaki
-
Patent number: 7431760Abstract: An ink containing an azo dye having, in total, at least 13 conjugated ? electrons in an aromatic ring thereof that is not directly bonded to any azo group.Type: GrantFiled: June 7, 2004Date of Patent: October 7, 2008Assignee: Fujifilm CorporationInventors: Tomohiro Chino, Toshiki Fujiwara, Masaru Takasaki
-
Publication number: 20070176992Abstract: An ink composition which comprises: a dye which is represented by formula (1), which is described in the specification, and has at least one ionic hydrophilic group, wherein the dye has a molecular weight of from 310 to 500 per one ionic hydrophilic group, and a recording method which comprises: discharging ink droplets of the ink composition onto plain paper.Type: ApplicationFiled: February 2, 2007Publication date: August 2, 2007Applicant: FUJIFILM CorporationInventors: Yoshimitsu Arai, Masaru Takasaki
-
Patent number: 7250079Abstract: The invention provides a water-soluble ink capable of forming an image having good color hue and high fastness in various use and environmental conditions, which comprises a coloring composition comprising a disazo dye represented by the following formula 1: A1-N?N-A2-N?N-A3 and at least one other dye having a specific structure; in formula 1, A1, A2 and A3 each independently represents an aromatic group which may be substituted or a heterocyclic group which may be substituted, and A1 and A3 each is a monovalent group and A2 is a divalent group.Type: GrantFiled: January 7, 2004Date of Patent: July 31, 2007Assignee: Fujifilm CorporationInventors: Tomohiro Chino, Toshiki Fujiwara, Masaru Takasaki
-
Publication number: 20070070160Abstract: A coloring composition comprising a dye compound represented by formula (I): wherein Dye represents a dye structure portion; Q represents —SO—, —SO2—, —SO2NR11—, —CO— or —CONR12— in which R11 and R12 each independently represents a hydrogen atom or a substituent; W represents a divalent aliphatic group; M represents an ionic group; and m represents an integer of 1 or greater, and wherein the dye compound satisfies conditions 1 and 2: Condition 1: 200<Mw/(the number of CO2M groups contained in the dye compound)<500 Condition 2: (the number of CO2M groups contained in the dye compound)/p>0.5, with the proviso that Mw represents a molecular weight of the dye compound represented by the formula (1); and p represents the total number of ionic hydrophilic groups substituted on the dye compound represented by the formula (1).Type: ApplicationFiled: September 26, 2006Publication date: March 29, 2007Applicant: Fuji Photo Film Co., Ltd.Inventors: Masaru Takasaki, Yoshihiko Fujie, Yoshihiro Jimbo, Naoki Saito, Yoshimitsu Arai, Hisato Nagase
-
Patent number: 7192475Abstract: An aqueous ink comprising at least two dyes each having at least one ionic hydrophilic group in a molecule thereof, wherein at least one of said at least two dyes includes an azo dye represented by formula (1): wherein A and B each independently represents a substituted or unsubstituted monovalent aromatic group; or a substituted or unsubstituted monovalent heterocyclic group; R1 represents a hydrogen atom; a substituted or unsubstituted aromatic group; or a substituted or unsubstituted heterocyclic group; and X represents —CR2? or a nitrogen atom, and when X represents —CR2?, R2 represents a hydrogen atom or a substituent.Type: GrantFiled: December 14, 2004Date of Patent: March 20, 2007Assignee: Fuji Photo Film Co., Ltd.Inventors: Masaru Takasaki, Toshiki Fujiwara, Tomohiro Chino
-
Patent number: 7083670Abstract: An aqueous ink comprising at least one dye having at least one ionic hydrophilic group within a molecule thereof and represented by the following formula (1): wherein A and B each independently represents a substituted or unsubstituted monovalent aromatic group or a substituted or unsubstituted monovalent heterocyclic group, R1 represents a substituted or unsubstituted aromatic group excluding an unsubstituted phenyl group or a substituted or unsubstituted heterocyclic group, and R2 represents a substituent.Type: GrantFiled: September 15, 2004Date of Patent: August 1, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Masaru Takasaki, Toshiki Fujiwara, Tomohiro Chino
-
Publication number: 20060162616Abstract: An ink containing an azo dye having, in total, at least 13 conjugated ? electrons in an aromatic ring thereof that is not directly bonded to any azo group.Type: ApplicationFiled: June 7, 2004Publication date: July 27, 2006Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Tomohiro Chino, Toshiki Fujiwara, Masaru Takasaki
-
Publication number: 20060009357Abstract: An azo dye represented by formula (II) as defined in the specification, a process of producing the same and a coloring composition containing the azo dye.Type: ApplicationFiled: July 7, 2005Publication date: January 12, 2006Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Toshiki Fujiwara, Yoshihiko Fujie, Yoshiharu Yabuki, Masaru Takasaki
-
Publication number: 20050150420Abstract: An aqueous ink comprising at least two dyes each having at least one ionic hydrophilic group in a molecule thereof, wherein at least one of said at least two dyes includes an azo dye represented by formula (1): wherein A and B each independently represents a substituted or unsubstituted monovalent aromatic group; or a substituted or unsubstituted monovalent heterocyclic group; R1 represents a hydrogen atom; a substituted or unsubstituted aromatic group; or a substituted or unsubstituted heterocyclic group; and X represents —CR2? or a nitrogen atom, and when X represents —CR2?, R2 represents a hydrogen atom or a substituent.Type: ApplicationFiled: December 14, 2004Publication date: July 14, 2005Applicant: Fuji Photo Film Co., Ltd.Inventors: Masaru Takasaki, Toshiki Fujiwara, Tomohiro Chino