Patents by Inventor Hiroko Nakatsugawa

Hiroko Nakatsugawa 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: 7879347
    Abstract: A skin cosmetic composition comprising the compound represented by the following formula (1): wherein R1 is hydrogen and R2 is hydrogen or glucose residue.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: February 1, 2011
    Assignee: KAO Corporation
    Inventors: Tomohiro Yokota, Shunsuke Yamazaki, Hiroko Nakatsugawa, Takeshi Ikemoto, Mariko Hara, Shintaro Inoue
  • Publication number: 20090124561
    Abstract: A skin cosmetic composition comprising the compound represented by the following formula (1): wherein R1 is hydrogen and R2 is hydrogen or glucose residue.
    Type: Application
    Filed: January 5, 2009
    Publication date: May 14, 2009
    Inventors: Tomohiro YOKOTA, Shunsuke Yamazaki, Hiroko Nakatsugawa, Takeshi Ikemoto, Mariko Hara, Shintaro Inoue
  • Publication number: 20060120978
    Abstract: A skin cosmetic composition comprising the compound represented by the following formula (1): wherein R1 is hydrogen and R2 is hydrogen or glucose residue.
    Type: Application
    Filed: November 14, 2005
    Publication date: June 8, 2006
    Inventors: Tomohiro Yokota, Shunsuke Yamazaki, Hiroko Nakatsugawa, Takeshi Ikemoto, Mariko Hara, Shintaro Inoue
  • Patent number: 7025985
    Abstract: The present invention is a compound represented by the following formula (1) or (2): where one of R1 and R2 is hydrogen and the other one is hydrogen or glucose residue. The compound is effective for reforming obese constitution, suppressing or preventing obesity. It is also effective for skin whitening.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: April 11, 2006
    Assignee: Kanebo, Ltd.
    Inventors: Tomohiro Yokota, Shunsuke Yamazaki, Hiroko Nakatsugawa, Takeshi Ikemoto, Mariko Hara, Shintaro Inoue
  • Publication number: 20040091515
    Abstract: Disclosed is a method of repelling noxious insects comprising the step of exposing said noxious insects to a composition containing from 0.1 to 90 wt.
    Type: Application
    Filed: October 17, 2003
    Publication date: May 13, 2004
    Applicant: Kanebo, Ltd.
    Inventors: Takeshi Ikemoto, Hiroyuki Nishio, Hiroko Nakatsugawa
  • Patent number: 6686396
    Abstract: Disclosed is a method of repelling noxious insects comprising the step of exposing said noxious insects to a composition containing from 0.1 to 90 wt. %, based on the total weight of the composition, of at least one of 2-(1-hydroxyalkyl) cycloalkanones represented by the following formula 11: wherein n is an integer of 3-10, R1 is hydrogen or a straight-chain saturated hydrocarbon radical having 1-6 carbon atoms; R2 is hydrogen or methyl group and Rm′ represents m′ of the same or different, straight-chain or branched, saturated or unsaturated, hydrocarbon radicals R which, as a substituent group, can be bonded to carbocyclic atoms; m′ is an integer of 0-8, provided that m′ should be at least 2 when n is at least 4 and both the R1and R2 are alkyl groups; the sum of the carbon atoms of Rm′ does not exceed 12; and, further, when n is 4, R may be an isopropylidene group which intramolecularly bridges between the third and sixth carbocyclic atoms.
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: February 3, 2004
    Assignee: Kanebo, Ltd.
    Inventors: Takeshi Ikemoto, Hiroyuki Nishio, Hiroko Nakatsugawa
  • Patent number: 6677384
    Abstract: Disclosed is a method of repelling noxious insects comprising the step of exposing said noxious insects to a composition containing from 0.1 to 90 wt. %, based on the total weight of the composition, of at least one of 2-(1-hydroxyalkyl)cycloalkanols represented by the following formulae (1), (5) and (6): wherein n is an integer of 3-10, R1 is hydrogen or a straight-chain saturated hydrocarbon radical having 1-6 carbon atoms; R2 is hydrogen or a methyl group; Rm represents m of the same or different, straight-chain or branched, saturated or unsaturated, hydrocarbon radicals R which, as a substituent group, can be bonded to carbocyclic atoms; m is an integer of 0-8, provided that m is at least one when either one of R1 or R2 is an alkyl group and m is at least 2 when both R1 and R2 are alkyl groups; the sum of the carbon atoms of Rm does not exceed 8, wherein when n is 4, R is optionally an isopropylidene group which intramolecularly bridges between the third and sixth carbocyclic atoms.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: January 13, 2004
    Assignee: Kanebo, Ltd.
    Inventors: Takeshi Ikemoto, Hiroyuki Nishio, Hiroko Nakatsugawa
  • Patent number: 6576247
    Abstract: The present invention provides a sustained-release aromatic, characterized in that the aromatic comprises at least one perfume derivative as an active component selected from glycosides of perfumes, phosphoric acid ester derivatives of perfumes, amino acid derivatives of perfumes and carboxylic acid derivatives of perfumes, and contains no enzyme or acid which decomposes the perfume derivative, wherein the perfume derivative is decomposed by bacteria usually present on the skin or yeast to release a perfume component to exhibit aroma. The present invention also provides a method for the detection of micro-organisms using the aforesaid sustained-release aromatic. As the sustained-release aromatic of the present invention releases a perfume component only when it is decomposed by micro-organisms such as bacteria usually present on the skin or yeast, the amount of perfumes to be used can be extremely reduced. The sustained-release aromatic of the present invention is also excellent in keeping aroma.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: June 10, 2003
    Assignee: Kanebo Ltd. and T. Hasegawa Co. Ltd.
    Inventors: Takeshi Ikemoto, Hiroko Nakatsugawa, Bun-ichi Okabe, Kazuo Ogino, Jun-ichi Matsui, Minoru Iwamoto, Akira Fujita, Masayoshi Inui
  • Patent number: 6531143
    Abstract: An oily base, which has excellent stability, a low melting point and does not irritate the skin and an external composition which contains the oily base. The present invention is directed to an alpha-hydroxy fatty acid derivatives represented by the general formula (1): wherein R1 represents a straight-chain or branched alkyl group having 10 to 24 carbon atoms, R2 represents a straight-chain or branched alkyl group having 1 to 31 carbon atoms, and R3 represents a straight-chain or branched alkyl group having 11 to 31 carbon atoms, and an external composition contains at least one of the derivatives.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: March 11, 2003
    Assignee: Kanebo, Limited
    Inventors: Masafumi Yakumaru, Hiroko Nakatsugawa, Yoshiko Iwamoto, Takeshi Ikemoto
  • Publication number: 20030017997
    Abstract: The present invention is a compound represented by the following formula (1) or (2): 1
    Type: Application
    Filed: September 5, 2001
    Publication date: January 23, 2003
    Inventors: Tomohiro Yokota, Shunsuke Yamazaki, Hiroko Nakatsugawa, Takeshi Ikemoto, Mariko Hara, Shintaro Inoue
  • Publication number: 20020143070
    Abstract: A noxious-insect repellent which contains 0.1-90 wt.
    Type: Application
    Filed: January 24, 2002
    Publication date: October 3, 2002
    Applicant: KANEBO, LTD.
    Inventors: Takeshi Ikemoto, Hiroyuki Nishio, Hiroko Nakatsugawa
  • Patent number: 6372804
    Abstract: Disclosed is a method of repelling noxious insects comprising the step of exposing said noxious insects to a composition containing from 0.1 to 90 wt. %, based on the total weight of the composition, of at least one of 2-(1-hydroxyalkyl)cycloalkanols represented by the following formulae (9) and (10): wherein R4 is a straight-chain or branched, saturated or unsaturated, hydrocarbon radical having 1-8 carbon atoms and R5 and R6 are hydrogens or lower alkyl groups having at most 3 carbon atoms and the sum of the carbon atoms of R5 and R6 is 0-3.
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: April 16, 2002
    Assignee: Kanebo, Ltd.
    Inventors: Takeshi Ikemoto, Hiroyuki Nishio, Hiroko Nakatsugawa
  • Patent number: 6130255
    Abstract: Disclosed is a method of repelling noxious insects comprising the step of exposing said noxious insects to a composition containing from 0.1 to 90 wt. %, based on the total weight of the composition, of at least one of 2-(1-hydroxyalkyl)-cycloalkanols represented by the following formulae (2), (7) and (8): ##STR1## wherein R.sup.3 and R.sup.4 are independently a straight-chain or branched, saturated or unsaturated, hydrocarbon radical having 1-8 carbon atoms.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: October 10, 2000
    Inventors: Takeshi Ikemoto, Hiroyuki Nishio, Hiroko Nakatsugawa