Patents by Inventor Kenya Ishida

Kenya Ishida 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).

  • Publication number: 20120219512
    Abstract: The invention relates to a sensory stimulant composition containing one or more of vanillin acetals represented by the general formula (1), and a flavor and fragrance composition, a beverage or food product, a fragrance or cosmetic product, a daily utensil product, an oral composition, or a pharmaceutical product containing the sensory stimulant composition with a warming sensation agent or cooling sensation substance, if necessary. Vanillin acetals represented by the general formula (1) show an excellent pungent and/or warming sensation effect and a cooling sensation-emphasizing effect.
    Type: Application
    Filed: May 9, 2012
    Publication date: August 30, 2012
    Applicant: Takasago International Corporation
    Inventors: Kenya ISHIDA, Takashi Aida
  • Patent number: 8236970
    Abstract: The invention relates to a sensory stimulant composition containing one or more of vanillin acetals represented by the general formula (1), and a flavor and fragrance composition, a beverage or food product, a fragrance or cosmetic product, a daily utensil product, an oral composition, or a pharmaceutical product containing the sensory stimulant composition with a warming sensation agent or cooling sensation substance, if necessary. Vanillin acetals represented by the general formula (1) show an excellent pungent and/or warming sensation effect and a cooling sensation-emphasizing effect.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: August 7, 2012
    Assignee: Takasago International Corporation
    Inventors: Kenya Ishida, Takashi Aida
  • Patent number: 8217192
    Abstract: A problem as an object of the invention is to provide a production method of spilanthol in a large scale without using expensive reagents. The present invention provides a production method of N-isobutyl-2,6,8-decatrienamide, wherein a column chromatography purification step is not required in all processes.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: July 10, 2012
    Assignee: Takasago International Corporation
    Inventors: Shigeru Tanaka, Kenji Yagi, Hideo Ujihara, Kenya Ishida
  • Publication number: 20120116116
    Abstract: Provided is an amide ester that is useful as an intermediate manufacturing product for an aroma compound such as spilanthol or the like. Also provided is a spilanthol manufacturing method using said amide ester. High-purity spilanthol can be manufactured by reacting an amide ester represented by general formula (1) with a basic compound. (In the formula, R1 represents a phenyl group that may be substituted with a C1-6 alkyl group and either a C1-4 alkyl group, a C1-4 alkoxy group, or a halogen atom; R2 represents a C1-8 hydrocarbon group; and the wavy lines represent cis configurations, trans configurations, or a mixture of the two configurations.
    Type: Application
    Filed: July 14, 2010
    Publication date: May 10, 2012
    Applicant: TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Shigeru Tanaka, Kenya Ishida, Kenji Yagi, Hideo Ujihara
  • Patent number: 8071531
    Abstract: A flavor and fragrance composition with a cooling sensation effect comprising 1-(2-hydroxy-4-methylcyclohexyl)ethanone represented by the formula (1). The flavor and fragrance composition is added to a beverage or food product, a fragrance or cosmetic product, a daily utensil product, an oral composition, or a pharmaceutical product in the range of 0.0001 to 20% by weight to the total weight of the flavor and fragrance composition added.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: December 6, 2011
    Assignee: Takasgo International Corporation
    Inventors: Takashi Aida, Kenya Ishida
  • Publication number: 20110282089
    Abstract: The present invention provides a method for producing sulfur-containing carboxylic acid esters that are useful for aromatizing and flavoring purpose and can cater to the needs for diversified aromatized and/or flavored products, and to further provide a fragrance and/or flavor composition comprising the ester producible by the method and an aromatized and/or flavored product comprising the same. The sulfur-containing carboxylic acid ester is represented by the following formula (3): wherein R1 represents an alkyl group having 1 to 10 carbon atoms or an optionally substituted phenyl group (wherein the substituent thereof is an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms), R2 and R3 independently represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an alkenyl group having 2 to 10 carbon atoms, or R2 and R3 together form an alkylene group, and R4 represents an alkyl group having 1 to 4 carbon atoms.
    Type: Application
    Filed: April 25, 2011
    Publication date: November 17, 2011
    Inventors: Teruhiko Inaba, Kazuma Hojo, Kenya Ishida
  • Publication number: 20110281945
    Abstract: To provide a drug, quasi-drug, food or drink that can act as a gastric acid secretion suppressant or a potassium channel inhibitor by including a composition that can be safely used and can be inexpensively produced. Each of these products contains one or more cooling sensation compositions that are compounds providing cooling sensation in an amount sufficient for exhibiting the efficacy thereof in a living body to which the product is administered.
    Type: Application
    Filed: January 26, 2010
    Publication date: November 17, 2011
    Inventors: Yuichi Suzuki, Kenya Ishida, Mitsuhiko Fujiwhara
  • Patent number: 8053592
    Abstract: Provided that a method for inexpensively producing optically active ?-ionone with a high yield and a high asymmetric yield and with good workability in a short process, and a perfume composition comprising the optically active ?-ionone obtained by the aforementioned method. A method for producing optically active ?-ionone, comprising allowing ?-ionone as a mixture of optical isomers to react with an esterification agent, and hydrolyzing the obtained ?-ionone enol ester; a method for producing optically active ?-ionone comprising subjecting ?-ionone as a mixture of optical isomers to an asymmetric reduction, allowing the obtained optically active ?-ionol to react with an esterification agent to give an optically active ?-ionol ester, hydrolyzing the obtained optically active ?-ionol ester after purification as necessary, and then oxidizing the obtained optically active ?-ionol; and a perfume composition comprising thus obtained optically active ?-ionone.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: November 8, 2011
    Assignee: Takasago International Corporation
    Inventors: Tetsuya Yamamoto, Kenji Yagi, Kenya Ishida
  • Patent number: 7964637
    Abstract: A simplified production method of stereoisomer of theaspiran having high optical purity has been desired. An alcohol compound having a specific skeleton is enantioselectively esterified with an enzyme, or an ester compound having a specific skeleton is enantioselectively hydrolyzed with an enzyme. The resultant optically active ester or optically active alcohol is used. Thus, optically active theaspiran having a desired configuration and having a high optical purity is obtained in a satisfactory yield.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: June 21, 2011
    Assignee: Takasago International Corporation
    Inventors: Makoto Harada, Hiroyuki Matsuda, Kenya Ishida, Yuichiro Yamazaki
  • Publication number: 20110117147
    Abstract: The invention relates to a cooling sensation agent composition with a prolonged cool sensation effect comprising at least one compound selected from Formula (1) wherein each of A and B is a hydrogen atom or a hydrocarbon group which may have one or more substituents, in which A and B are not hydrogen atoms simultaneously, and the total number of carbon atoms in A and B is in the range of 6 to 18; and Formulae (2) to (4) wherein R1, R2, and R3 each represent a residue of an alcohol selected from 1-menthol, 1-isopulegol, 3-(1-menthoxy)propan-1,2-diol, 2-(1-menthoxy)ethan-1-ol, 3-(1-menthoxy)propan-1-ol, 2-methyl-3-(1-menthoxy)propan-1,2-diol and para-menthan-3,8-diol), and R4 represents a residue of a branched or straight-chain, cyclic or linear, or saturated or unsaturated alcohol having 6 to 18 carbon atoms that may have one or more aromatic rings that may have a condensed ring and substituent groups such as hydroxyl and ether groups; and R6 represents a hydrocarbon group having 11 to 19 carbon atoms that may
    Type: Application
    Filed: April 1, 2009
    Publication date: May 19, 2011
    Inventors: Kenya Ishida, Takashi Aida, Tetsuya Yamamoto
  • Publication number: 20110118500
    Abstract: Provided that a method for inexpensively producing optically active ?-ionone with a high yield and a high asymmetric yield and with good workability in a short process, and a perfume composition comprising the optically active ?-ionone obtained by the aforementioned method. A method for producing optically active ?-ionone, comprising allowing ?-ionone as a mixture of optical isomers to react with an esterification agent, and hydrolyzing the obtained ?-ionone enol ester; a method for producing optically active ?-ionone comprising subjecting ?-ionone as a mixture of optical isomers to an asymmetric reduction, allowing the obtained optically active ?-ionol to react with an esterification agent to give an optically active ?-ionol ester, hydrolyzing the obtained optically active ?-ionol ester after purification as necessary, and then oxidizing the obtained optically active ?-ionol; and a perfume composition comprising thus obtained optically active ?-ionone.
    Type: Application
    Filed: January 24, 2011
    Publication date: May 19, 2011
    Applicant: TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Tetsuya Yamamoto, Kenji Yagi, Kenya Ishida
  • Publication number: 20110105773
    Abstract: A problem as an object of the invention is to provide a production method of spilanthol in a large scale without using expensive reagents. The present invention provides a production method of N-isobutyl-2,6,8-decatrienamide, wherein a column chromatography purification step is not required in all processes.
    Type: Application
    Filed: January 16, 2009
    Publication date: May 5, 2011
    Applicant: TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Shigeru Tanaka, Kenji Yagi, Hideo Ujihara, Kenya Ishida
  • Publication number: 20110098479
    Abstract: The invention relates to a method for producing an azoline compound represented by the general formula (3): wherein R1 represents an optionally substituted hydrocarbon group, an optionally substituted alkoxy group, an optionally substituted alkoxycarbonyl group, a halogen atom, a substituted amino group, a substituted carbamoyl group or an optionally substituted heterocyclic group; R3, R4, R5 and R6 may be the same or different and each represents a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted alkoxy group, an optionally substituted alkoxycarbonyl group, a halogen atom, a substituted amino group, a substituted carbamoyl group or an optionally substituted heterocyclic group; two arbitrary groups selected from R3, R4, R5 and R6 may bond to each other to form a ring; and Z1 represents an oxygen atom, a sulfur atom or a selenium atom; comprising reacting a carboxylic acid or a carboxylic acid derivative represented by the general formula (1): R1CO2R2 ??(1) wherein R
    Type: Application
    Filed: December 29, 2010
    Publication date: April 28, 2011
    Inventors: KAZUSHI MASHIMA, Takashi Ohshima, Takanori Iwasaki, Hironori Maeda, Kenya Ishida
  • Patent number: 7923585
    Abstract: The invention relates to innovative menthol derivatives which are represented by the general formula (I) below and are excellent in a cooling effect and cool retaining effect, cooling agent compositions comprising the menthol derivatives, and sensory stimulation agent compositions containing the cooling agent compositions, as well as fragrance compositions, beverage or food products, cosmetic products, toiletry products, bathing agents, and pharmaceutical products containing the cooling agent compositions or sensory stimulation agent compositions. (general formula (I)) wherein R<1> represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an acyl group having 1 to 5 carbon atoms; R<2> and R<3> independently represent an alkylene group having 2 to 5 carbon atoms and optionally having a substituent; double dotted line represents a single bond or a double bond; and n is an integer of 1 to 3.
    Type: Grant
    Filed: May 31, 2004
    Date of Patent: April 12, 2011
    Assignee: Takasago International Corporation
    Inventors: Kenya Ishida, Takashi Aida, Hiroyuki Matsuda, Fumihiro Yanaka
  • Publication number: 20110081393
    Abstract: Disclosed is a cooling sensation agent composition or sensory stimulation agent composition which contains at least one of diester compounds of dicarboxylic acid represented by the formula (1) wherein A represents CH2 or CH?CH, n represents an integer of 0 to 4 when A is CH2, or 1 when A is CH?CH, B is an alcohol residue having 10 to 18 carbon atoms and containing a para-menthane skeleton, which may have a substituent, and C is an alcohol residue having 6 to 18 carbon atoms, which may have a substituent as well as a flavor or fragrance composition, a beverage, a food product, a perfume or cosmetic product, a toiletry product, daily utensil products or groceries, a fiber, a fiber product, clothes, clothing or a medicine, wherein the cooling sensation agent composition or the sensory stimulation agent composition is compounded.
    Type: Application
    Filed: October 6, 2010
    Publication date: April 7, 2011
    Inventors: Yasuhiro Komatsuki, Tomoko Yamamoto, Takashi Aida, Kenya Ishida
  • Publication number: 20110077309
    Abstract: The present invention relates to a humectant composition containing, as component (A), at least one member selected from a menthol derivative represented by the following formula (1) and p-menthane-3,8-diol: in which R is an alkylene group having 2 to 5 carbon atoms which may be substituted with at least one member selected from the group consisting of a methyl group and a hydroxyl group, and n is an integer of 1 to 3. The humectant composition of the present invention provides an excellent moisture-retention effect.
    Type: Application
    Filed: December 3, 2010
    Publication date: March 31, 2011
    Applicant: TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Tetsuya Yamamoto, Kenya Ishida
  • Patent number: 7902404
    Abstract: Provided that a method for inexpensively producing optically active ?-ionone with a high yield and a high asymmetric yield and with good workability in a short process, and a perfume composition comprising the optically active ?-ionone obtained by the aforementioned method. A method for producing optically active ?-ionone, comprising allowing ?-ionone as a mixture of optical isomers to react with an esterification agent, and hydrolyzing the obtained ?-ionone enol ester; a method for producing optically active ?-ionone comprising subjecting ?-ionone as a mixture of optical isomers to an asymmetric reduction, allowing the obtained optically active ?-ionol to react with an esterification agent to give an optically active ?-ionol ester, hydrolyzing the obtained optically active ?-ionol ester after purification as necessary, and then oxidizing the obtained optically active ?-ionol; and a perfume composition comprising thus obtained optically active ?-ionone.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: March 8, 2011
    Assignee: Takasago International Corporation
    Inventors: Tetsuya Yamamoto, Kenji Yagi, Kenya Ishida
  • Patent number: 7888513
    Abstract: The invention relates to a method for producing an azoline compound represented by the general formula (3): wherein R1 represents an optionally substituted hydrocarbon group, an optionally substituted alkoxy group, an optionally substituted alkoxycarbonyl group, a halogen atom, a substituted amino group, a substituted carbamoyl group or an optionally substituted heterocyclic group; R3, R4, R5 and R6 may be the same or different and each represents a hydrogen atom, an optionally substituted hydrocarbon group, an optionally substituted alkoxy group, an optionally substituted alkoxycarbonyl group, a halogen atom, a substituted amino group, a substituted carbamoyl group or an optionally substituted heterocyclic group; two arbitrary groups selected from R3, R4, R5 and R6 may bond to each other to form a ring; and Z1 represents an oxygen atom, a sulfur atom or a selenium atom; comprising reacting a carboxylic acid or a carboxylic acid derivative represented by the general formula (1): R1CO2R2??(1) wherein R1
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: February 15, 2011
    Assignee: Takasago International Corporation
    Inventors: Kazushi Mashima, Takashi Ohshima, Takanori Iwasaki, Hironori Maeda, Kenya Ishida
  • Publication number: 20100303740
    Abstract: The present invention provides a cooling component or sensate component which does not have undesirable stimulus feeling, bitterness and the like and is excellent in the persistence of refresh-feeling and cool-feeling, a sensate composition which comprises the same, and various products that comprise said sensate composition.
    Type: Application
    Filed: April 23, 2010
    Publication date: December 2, 2010
    Applicant: TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Kazuma HOJO, Takashi AIDA, Kenya ISHIDA
  • Publication number: 20100280110
    Abstract: The present invention provides a cooling component or sensate component which has further strong cooling intensity and is excellent in the persistency or refresh-feeling and cool-feeling, a sensate composition comprising the same, and various products comprising the sensate composition.
    Type: Application
    Filed: April 23, 2010
    Publication date: November 4, 2010
    Applicant: TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Kazuma HOJO, Takashi AIDA, Kenya ISHIDA