Patents by Inventor Yukihiro Ohashi
Yukihiro Ohashi 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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Publication number: 20020026676Abstract: Provided is a hair dye composition containing a direct dye (1). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye even after storage.Type: ApplicationFiled: June 25, 2001Publication date: March 7, 2002Applicant: Kao CorporationInventors: Yukihiro Ohashi, Hajime Miyabe, Kenichi Matsunaga, Shintaro Totoki, Yoshinori Saito
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Publication number: 20020020030Abstract: Provided is a hair dye composition containing a direct dye (1). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye even after storage.Type: ApplicationFiled: June 26, 2001Publication date: February 21, 2002Applicant: Kao CorporationInventors: Yukihiro Ohashi, Hajime Miyabe, Kenichi Matsunaga, Shintaro Totoki, Yoshinori Saito
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Publication number: 20010054206Abstract: Provided is a hair dye composition containing a direct dye (1) or (2). The hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a smaller change in the color tone of the dye after storage.Type: ApplicationFiled: March 16, 2001Publication date: December 27, 2001Applicant: Kao CorporationInventors: Kenichi Matsunaga, Hajime Miyabe, Yukihiro Ohashi
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Publication number: 20010052157Abstract: Provided is a hair dye composition comprising a direct dye (1):Type: ApplicationFiled: April 5, 2001Publication date: December 20, 2001Applicant: KAO CORPORATIONInventors: Hajime Miyabe, Kenichi Matsunaga, Yukihiro Ohashi, Shintaro Totoki, Yoshinori Saito
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Patent number: 6329409Abstract: The invention relates to an amine derivative represented by the general formula (1): wherein R1 is a C1-C30 hydrocarbon group which may be interrupted by an ether linkage, with the proviso that phenyl and benzyl groups are excluded; one of A and B is and the other of them is —OR4; R2 and R3 are individually H, amidino group, alkanoyl group, C1-C20 hydrocarbon group, or the like; R4 and R5 are individually H, phosphoryl group, or the like, and an external skin care composition containing the same. The external skin care composition exhibits excellent preventing effects on aging of the skin, etc.Type: GrantFiled: March 14, 2001Date of Patent: December 11, 2001Assignee: KAO CorporationInventors: Taketoshi Fujimori, Yukihiro Ohashi, Kazuhiko Higuchi, Junko Ishikawa, Takashi Kitahara
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Publication number: 20010044975Abstract: Provided is a hair dye composition containing a direct dye (1). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a smaller change in the color tone of the dye after storage.Type: ApplicationFiled: March 16, 2001Publication date: November 29, 2001Applicant: Kao CorporationInventors: Kenichi Matsunaga, Hajime Miyabe, Yukihiro Ohashi
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Publication number: 20010044976Abstract: Provided is a hair dye composition comprising as a direct dye a compound represented by the following formula (1), (2), (3) or (4): 1Type: ApplicationFiled: April 5, 2001Publication date: November 29, 2001Applicant: Kao CorporationInventors: Hajime Miyabe, Kenichi Matsunaga, Yukihiro Ohashi, Shintaro Totoki, Yoshinori Saito
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Patent number: 6171595Abstract: The present invention provides a skin external preparation comprising a compound of the formula (1), (2), (3) or (4). wherein X represents COOH, etc., Z represents CONH2, etc. and R1 and R7 individually represent a hydrogen atom, etc. The above-described compound has excellent effects, for example, for preventing or alleviating skin aging or inhibiting hair growth.Type: GrantFiled: January 11, 2000Date of Patent: January 9, 2001Assignee: Kao CorporationInventors: Yasuto Suzuki, Naoko Tsuji, Shigeru Moriwaki, Yoshinori Nishizawa, Yoshinori Takema, Satoshi Kanazawa, Genji Imokawa, Yukihiro Ohashi, Mikako Watanabe
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Patent number: 6075052Abstract: The present invention provides a skin external preparation comprising a compound of the formula (1), (2), (3) or (4). ##STR1## wherein X represents COOH, etc., Z represents CONH.sub.2, etc. and R.sup.1 and R.sup.7 individually represent a hydrogen atom, etc.The above-described compound has excellent effects, for example, for preventing or alleviating skin aging or inhibiting hair growth.Type: GrantFiled: March 25, 1999Date of Patent: June 13, 2000Assignee: Kao CorporationInventors: Yasuto Suzuki, Naoko Tsuji, Shigeru Moriwaki, Yoshinori Nishizawa, Yoshinori Takema, Satoshi Kanazawa, Genji Imokawa, Yukihiro Ohashi, Mikako Watanabe
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Patent number: 5801258Abstract: The amide derivative of the present invention is one represented by the following general formula (I) and the dermatologic preparation of the present invention is one containing said amide derivative. ##STR1## wherein R.sup.1 represents a straight-chain or branched, saturated or unsaturated hydrocarbon group carrying 10 to 40 carbon atoms; R.sup.2 represents a straight-chain or branched, saturated or unsaturated hydrocarbon group carrying 3 to 39 carbon atoms; R.sup.3 represents a group containing at least one group represented by the formula: ##STR2## wherein R.sup.4 and R.sup.5 each represents a hydrogen atom or a straight-chain or branched or cyclic, saturated or unsaturated hydrocarbon group, or R.sup.4 and R.sup.Type: GrantFiled: May 5, 1997Date of Patent: September 1, 1998Assignee: Kao CorporationInventors: Yukihiro Ohashi, Akira Kawamata, Yukihiro Yada, Kazuhiko Higuchi, Kazue Tsukahara, Genji Imokawa
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Patent number: 5783601Abstract: Disclosed herein is an external skin-care composition comprising hydroxycarboxylic acids or derivatives thereof represented by the general formulae (1), (2), and (3), or the salts thereof: ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 are each independently a hydroxyl group, an amino group or an alkoxyl group which may be substituted by 1-3 hydroxyl groups, l is a number of 7-11, m is a number of 6-10, and n is a number of 5-9. This composition exhibits an excellent moisturizing effect, moisturizes the skin, has a great effect in preventing skin roughness and shows excellent effects in enhancing the clear skin tone of the skin and reducing skin dullness, and is hence particularly useful for cosmetic skin-care compositions.Type: GrantFiled: April 15, 1996Date of Patent: July 21, 1998Assignee: Kao CorporationInventors: Masanori Tanahashi, Takahide Minami, Yukihiro Ohashi, Shinya Amano, Kouichi Niinaka
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Patent number: 5723497Abstract: The present invention relates to an amine derivative represented by the following general formula (I) or (II): ##STR1## wherein R.sup.1 means a heteroatom-containing C.sub.1 -C.sub.40 hydrocarbon group which may have a ring structure, or the like; R.sup.2 -R.sup.5 each denote a C.sub.1 -C.sub.20 hydrocarbon group, hydrogen or the like; A.sup.1 represents ##STR2## or R.sup.15 --Z--.sup.16 --(CH.sub.2).sub.n --; B.sup.1 stands for hydrogen, a C.sub.1 -C.sub.10 hydrocarbon group, nitrogen or the like; C.sup.1 denotes hydrogen, a C.sub.1 -C.sub.10 hydrocarbon group, nitrogen, alcohol residue, phosphoric acid residue or the like; a dermatologic preparation containing the same; and a process for producing the amine derivative. This amine derivative has excellent effects of smoothing or removing wrinkles and improving keratinization.Type: GrantFiled: September 18, 1995Date of Patent: March 3, 1998Assignee: Kao CorporationInventors: Yukihiro Ohashi, Yukihiro Yada, Yoshinori Takema, Taketoshi Fujimori, Akira Kawamata, Hiroyuki Ohsu, Kazuhiko Higuchi, Genji Imokawa, Hiroshi Kusuoku, Ayumi Ogawa, Tsutomu Fujimura
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Patent number: 5681864Abstract: A composition for external skin care comprising an amine derivative represented by the following formula (1), ##STR1## wherein R.sup.1 is a linear, branched, or cyclic saturated or unsaturated hydrocarbon group having 4-40 carbon atoms, and R.sup.2, R.sup.3, R.sup.4, R.sup.5, and R.sup.6 are individually a hydrogen atom or a hydrocarbon group having 1-10 carbon atoms, which may be substituted or unsubstituted by 1 or more hydroxy groups; or an acid addition salt thereof, in an amount from 0.0001 to less than 0.1% by weight; and a method of curing wrinkles and keratinization of the skin characterized by applying said amine derivative or its salt to the skin.Type: GrantFiled: December 6, 1996Date of Patent: October 28, 1997Assignee: Kao CorporationInventors: Yukihiro Ohashi, Taketoshi Fujimori, Minoru Nagai, Akira Kawamata, Yukihiro Yada, Kazuhiko Higuchi, Genji Imokawa, Yoshinori Takema, Yukiko Sakaino, Ayumi Ogawa, Tsutomu Fujimura
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Patent number: 5659052Abstract: The amide derivative of the present invention is one represented by the following general formula (II) and the dermatologic preparation of the present invention is one containing said amide derivative. ##STR1## wherein R.sup.11 represents a straight-chain or branched hydrocarbon group carrying 10 to 40 carbon atoms; R.sup.12 represents a straight-chain or branched hydrocarbon group carrying 1 to 39 carbon atoms; R.sup.13 represents a hydrogen atom or a hydrocarbon group carrying 1 to 6 carbon atoms; and R.sup.14 represents a hydrogen atom or a hydrocarbon group having a straight-chain, branched or cyclic structure and carrying 1 to 40 carbon atoms which may contain an oxygen atom.Type: GrantFiled: July 13, 1994Date of Patent: August 19, 1997Assignee: Kao CorporationInventors: Yukihiro Ohashi, Akira Kawamata, Yukihiro Yada, Kazuhiko Higuchi, Kazue Tsukahara, Genji Imokawa
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Patent number: 5552445Abstract: A composition for external skin care comprising an amine derivative represented by the following formula (1), ##STR1## wherein R.sup.1 is a linear, branched, or cyclic saturated or unsaturated hydrocarbon group having 4-40 carbon atoms, and R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are individually a hydrogen atom or a hydrocarbon group having 1-10 carbon atoms, which may be substituted or unsubstituted by 1 or more hydroxy groups; or an acid addition salt thereof, in an amount from 0.0001 to less than 0.1% by weight; and a method of curing wrinkles and keratinization of the skin characterized by applying said amine derivative or its salt to the skin.Type: GrantFiled: March 23, 1994Date of Patent: September 3, 1996Assignee: Kao CorporationInventors: Yukihiro Ohashi, Taketoshi Fujimori, Minoru Nagai, Akira Kawamata, Yukihiro Yada, Kazuhiko Higuchi, Genji Imokawa, Yoshinori Takema, Yukiko Sakaino, Ayumi Ogawa, Tsutomu Fujimura
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Patent number: 5466442Abstract: Silicone derivatives having polysiloxane units represented by the following general formulae (A), (B) and (C): ##STR1## are useful as ingredients in cosmetic compositions.Type: GrantFiled: December 27, 1993Date of Patent: November 14, 1995Assignee: Kao CorporationInventors: Yukihiro Ohashi, Akira Kawamata
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Patent number: 5446027Abstract: Amino derivatives represented by the following general formula (1): ##STR1## and external skin care preparations containing such an amide derivative, are useful for preventing or curing skin roughness. Intermediates useful for the preparation of such amides are also disclosed.Type: GrantFiled: November 2, 1993Date of Patent: August 29, 1995Assignee: Kao CorporationInventors: Taketoshi Fujimori, Yukihiro Ohashi, Akira Kawamata
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Patent number: 5417967Abstract: A novel alcohol-modified silicone ester derivative of the following formula (I): ##STR1## wherein R is a saturated or unsaturated, linear, branched or cyclic aromatic residual or hydrocarbon group; a, b and c are numbers which sum falls in the range from 0 to 130; d is a number lying between 0 and 1; and 1, m and n are numbers which sum falls in the range from 0 to 6.Cosmetic compositions containing the above silicone ester derivative (I) were also disclosed.The silicone ester derivative (I) is useful as a cosmetic ingredient due to the capability of improving feel on use.Type: GrantFiled: January 31, 1994Date of Patent: May 23, 1995Assignee: Kao CorporationInventors: Akira Kawamata, Yoko Kikuchi, Yuji Suzuki, Toshiyuki Suzuki, Mituo Suda, Yukihiro Ohashi
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Patent number: 5334372Abstract: A novel alcohol-modified silicone ester derivative of the following formula (I): ##STR1## wherein R is a saturated or unsaturated, linear, branched or cyclic aromatic residual or hydrocarbon group; a, b and c are numbers which sum falls in the range from 0 to 130; d is a number lying between 0 and 1; and 1, m and n are numbers which sum falls in the range from 0 to 6.Cosmetic compositions containing the above silicone ester derivative (I) were also disclosed.The silicone ester derivative (I) is useful as a cosmetic ingredient due to the capability of improving feel on use.Type: GrantFiled: February 16, 1993Date of Patent: August 2, 1994Assignee: Kao CorporationInventors: Akira Kawamata, Yoko Kikuchi, Yuji Suzuki, Toshiyuki Suzuki, Mituo Suda, Yukihiro Ohashi
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Patent number: 5221757Abstract: An amide derivative represented by the following general formula (II): ##STR1## (wherein R.sup.3 represents a straight-chain or branched, saturated or unsaturated hydrocarbon group carrying 10 to 40 carbon atoms; R.sup.4 represents a straight-chain or branched hydrocarbon group carrying 3 to 39 carbon atoms; and R.sup.5 represents a hydrogen atom, a straight-chain or branched, saturated or unsaturated hydrocarbon group carrying 10 to 40 carbon atoms or an acyl group); and a dermatologic preparation containing the same.Type: GrantFiled: November 20, 1991Date of Patent: June 22, 1993Assignee: Kao CorporationInventors: Yukihiro Ohashi, Mituo Suda, Shinji Yano, Akira Kawamata, Minehiro Okuda, Genji Imokawa