Patents by Inventor Hideki Yoshitomi
Hideki Yoshitomi 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: 7687664Abstract: The present invention provides novel carboxylic acid derivatives useful as an insulin sensitizer, a salt thereof or a hydrate of them, and a medicament comprising the derivative as the active ingredient. Specifically, it provides a carboxylic acid derivative represented by the following formula (I): (wherein Y, L, X, T, Z, U, M and W are defined in the specification) and a salt thereof, and ester thereof or a hydrate of them.Type: GrantFiled: June 4, 2002Date of Patent: March 30, 2010Assignee: Eisai R&D Management Co., Ltd.Inventors: Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Richard Clark, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara
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Patent number: 7544835Abstract: Carboxylic acid compound or salt or hydrate thereof useful as insulin sensitizer, represented by the formula wherein R1 represents hydrogen, hydroxyl, halogen, carboxyl, or C1-6 alkyl, L represents single bond or C1-6-alkylene, C2-6-alkenylene, or C2-6-alkynylene, M represents single bond or C1-6-alkylene, C2-6-alkenylene, or C2-6-alkynylene, T represents single bond, or C1-3-alkylene, C2-3-alkenylene, or C2-3-alkynylene, W represents carboxyl, represents single bond, X represents single bond, oxygen, —NRX1CQ1O—, —OCQ1NRX1—, —CQ1NRX1O—, ONRX1CQ1—, —Q2SO2—, or —SO2Q2—, Y represents 5- to 14-membered aromatic group, and ring Z represents 5- to 14-membered aromatic group.Type: GrantFiled: April 18, 2002Date of Patent: June 9, 2009Assignee: Eisai R&D Management Co., Ltd.Inventors: Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Richard Clark, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara, Hitoshi Harada, Kaya Ohashi
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Patent number: 7371777Abstract: The present invention provides a novel compound having an excellent PPAR agonist action. More specifically, it provides a compound represented by the following formula, a salt thereof, an ester thereof or a hydrate of them. Wherein a, b and c are the same as or different from one another and each represents 0 to 4; R1 to R6 are the same as or different from one another and each represents a hydrogen atom, a hydroxyl group, a cyano group, a halogen atom, etc.; A1 and A2 are the same as or different from each other and each represents a single bond, an oxygen atom, etc.; L, M and T each represent a single bond, an alkylene group having one to six carbon atoms, etc.; W represents a carboxyl group; the partial structure represented by the formula: represents a single bond or a double bond; X represents a single bond, an oxygen atom, —NRx1CQ1O—, etc.; Y represents Y1—Y2— (wherein Y1 represents a 5 to 14-membered aromatic ring having one to four substituents, etc.Type: GrantFiled: August 16, 2002Date of Patent: May 13, 2008Assignee: Eisai Co., Ltd.Inventors: Richard Clark, Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara
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Patent number: 7253178Abstract: The present invention provides a novel carboxylic acid derivative, a salt thereof or a hydrate of them which is useful as an insulin sensitizer, and a medicament comprising the derivative as the effective ingredient. More specifically, it provides a carboxylic acid compound represented by the formula (I), a salt thereof or a hydrate of them.Type: GrantFiled: March 27, 2002Date of Patent: August 7, 2007Assignee: Eisai Co., Ltd.Inventors: Hitoshi Harada, Masanobu Shinoda, Richard Clark, Fumiyoshi Matsuura, Eita Emori, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara
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Patent number: 7244861Abstract: The present invention provides a medicament comprising a benzene compound useful as an insulin sensitizer, a salt thereof or a hydrate of them and a derivative of them as the active ingredient. Specifically, it provides a benzene compound represented by the following formula, a salt thereof or a hydrate of them. In the formula, X represents 1) a C6-10 aryl group which may have one or more substituents or 2) a 5- to 10-membered heteroaryl group which may have one or more substituents; Y represents a group represented by the formula: (in the above formulae, Ry1, Ry2 and Ry3 are the same as or different from one another and each represents a hydrogen atom, a halogen atom, a C1-6 alkyl group, a C1-6 alkoxy group, or a C3-7 cycloalkyl group) etc.Type: GrantFiled: March 27, 2002Date of Patent: July 17, 2007Assignee: Eisai Co., Ltd.Inventors: Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Richard Clark, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara
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Patent number: 6884821Abstract: Novel carboxylic acid derivatives of general formula (I), salts of the same, esters thereof, or hydrates of them, which are useful as insulin resistance improvers; and drugs containing the derivatives as the active ingredient. In said formula, R1 is hydrogen, hydroxyl, alkyl, or the like; L is a single bond, a double bond, alkylene, or the like; M is a single bond, alkylene, or the like; T is a single bond, alkylene, or the like; W is carboxyl, —CON(RW1)RW2, or the like; represents a single or double bond; X is oxygen, alkenylene, or the like; Y is an aromatic hydrocarbon group which may contain a heteroatom, or the like; and Z is an aromatic hydrocarbon group which may contain a heteroatom.Type: GrantFiled: September 29, 2000Date of Patent: April 26, 2005Assignee: Eisai Co., Ltd.Inventors: Masanobu Shinoda, Eita Emori, Fumiyoshi Matsuura, Toshihiko Kaneko, Norihito Ohi, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Sadakazu Miyashita, Taro Hibara, Takashi Seiki, Richard Clark, Hitoshi Harada
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Publication number: 20050014833Abstract: The present invention provides a novel compound having an excellent PPAR agonist action. More specifically, it provides a compound represented by the following formula, a salt thereof, an ester thereof or a hydrate of them. Wherein a, b and c are the same as or different from one another and each represents 0 to 4; R1 to R6 are the same as or different from one another and each represents a hydrogen atom, a hydroxyl group, a cyano group, a halogen atom, etc.; A1 and A2 are the same as or different from each other and each represents a single bond, an oxygen atom, etc.; L, M and T each represent a single bond, an alkylene group having one to six carbon atoms, etc.; W represents a carboxyl group; the partial structure represented by the formula: ?represents a single bond or a double bond; X represents a single bond, an oxygen atom, —NRX1CQ1O—, etc.; Y represents Y1—Y2— (wherein Y1 represents a 5 to 14-membered aromatic ring having one to four substituents, etc.Type: ApplicationFiled: August 16, 2002Publication date: January 20, 2005Inventors: Richard Clark, Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara
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Publication number: 20040214888Abstract: The present invention provides novel carboxylic acid derivatives useful as an insulin sensitizer, a salt thereof or a hydrate of them, and a medicament comprising the derivative as the active ingredient.Type: ApplicationFiled: December 3, 2003Publication date: October 28, 2004Inventors: Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Richard Clark, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara
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Publication number: 20040138271Abstract: The present invention provides a medicament comprising a benzene compound useful as an insulin sensitizer, a salt thereof or a hydrate of them and a derivative of them as the active ingredient. Specifically, it provides a benzene compound represented by the following formula, a salt thereof or a hydrate of them.Type: ApplicationFiled: September 10, 2003Publication date: July 15, 2004Inventors: Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Richard Clark, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara
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Publication number: 20040116708Abstract: The present invention provides a novel carboxylic acid derivative, a salt thereof or a hydrate of them which is useful as an insulin sensitizer, and a medicament comprising the derivative as the effective ingredient. More specifically, it provides a carboxylic acid compound represented by the formula (I), a salt thereof or a hydrate of them.Type: ApplicationFiled: August 27, 2003Publication date: June 17, 2004Inventors: Hitoshi Harada, Masanobu Shinoda, Richard Clark, Fumiyoshi Matsuura, Eita Emori, Shunji Kasai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Sadakazu Miyashita, Taro Hihara
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Publication number: 20040102634Abstract: The present invention provides a novel carboxylic acid compound, a salt thereof or a hydrate of them useful as an insulin sensitizer, and a medicament comprising the compound as an active ingredient. That is, the present invention provides a carboxylic acid compound represented by the following formula, a salt thereof, an ester thereof or a hydrate of them.Type: ApplicationFiled: October 22, 2003Publication date: May 27, 2004Inventors: Fumiyoshi Matsuura, Eita Emori, Masanobu Shinoda, Richard Clark, Shunji Sakai, Hideki Yoshitomi, Kazuto Yamazaki, Takashi Inoue, Safakazu Miyashita, Taro Hihara, Hitoshi Harada, Kaya Ohashi