Patents by Inventor Tadakiyo Nakagawa

Tadakiyo Nakagawa 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: 9655879
    Abstract: Compounds represented by the following formula (I); wherein each symbol is as defined in the specification, are useful as hyperglycemic inhibitors having a serine protease inhibitory action and as prophylactic or therapeutic drugs for diabetes.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: May 23, 2017
    Assignee: EA Pharma Co., Ltd.
    Inventors: Takahiro Koshiba, Munetaka Tokumasu, Taisuke Ichimaru, Koji Ohsumi, Tadakiyo Nakagawa, Tatsuhiro Yamada, Kayo Matsumoto, Tamotsu Suzuki
  • Publication number: 20160137633
    Abstract: Provided is a compound represented by the following general formula (I), or a pharmaceutically acceptable salt thereof. This novel compound has a glycogen-synthase activation ability, but activates a receptor PPAR to a low degree and is highly safe. In the formula, Ar is an aromatic carbocyclic ring or a heterocyclic ring; and Ar2 is represented by any one of the following rings and the like.
    Type: Application
    Filed: January 29, 2016
    Publication date: May 19, 2016
    Applicant: Ajinomoto Co., Inc.
    Inventors: Tadakiyo NAKAGAWA, Kayo Matsumoto, Sen Takeshita, Tomomi Yoshida, Munetaka Tokumasu, Hiroki Inoue, Kaori Kobayashi
  • Patent number: 9290487
    Abstract: Provided is a compound represented by the following general formula (I), or a pharmaceutically acceptable salt thereof. This novel compound has a glycogen-synthase activation ability, but activates a receptor PPAR to a low degree and is highly safe. In the formula, Ar is an aromatic carbocyclic ring or a heterocyclic ring; and Ar2 is represented by any one of the following rings and the like.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: March 22, 2016
    Assignee: AJINOMOTO CO., INC.
    Inventors: Tadakiyo Nakagawa, Kayo Matsumoto, Sen Takeshita, Tomomi Yoshida, Munetaka Tokumasu, Hiroki Inoue, Kaori Kobayashi
  • Publication number: 20160058734
    Abstract: Compounds represented by the following formula (I); wherein each symbol is as defined in the specification, are useful as hyperglycemic inhibitors having a serine protease inhibitory action and as prophylactic or therapeutic drugs for diabetes.
    Type: Application
    Filed: November 6, 2015
    Publication date: March 3, 2016
    Applicant: AJINOMOTO CO., INC.
    Inventors: Takahiro KOSHIBA, Munetaka Tokumasu, Taisuke Ichimaru, Koji Ohsumi, Tadakiyo Nakagawa, Tatsuhiro Yamada, Kayo Matsumoto, Tamotsu Suzuki
  • Publication number: 20160046592
    Abstract: An object is to provide a novel compound which has a glycogen synthase activation ability, but activates a receptor PPAR to a low degree and is highly safe.
    Type: Application
    Filed: October 30, 2015
    Publication date: February 18, 2016
    Applicant: Ajinomoto Co., Inc.
    Inventors: Kayo MATSUMOTO, Wataru MIYANAGA, Mizuki DOHI, Tadakiyo NAKAGAWA, Kaori KOBAYASHI, Sen TAKESHITA
  • Patent number: 9227949
    Abstract: Compounds represented by the following formula (I); wherein each symbol is as defined in the specification, are useful as hyperglycemic inhibitors having a serine protease inhibitory action and as prophylactic or therapeutic drugs for diabetes.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: January 5, 2016
    Assignee: AJINOMOTO CO., INC.
    Inventors: Takahiro Koshiba, Munetaka Tokumasu, Taisuke Ichimaru, Koji Ohsumi, Tadakiyo Nakagawa, Tatsuhiro Yamada, Kayo Matsumoto, Tamotsu Suzuki
  • Patent number: 9024044
    Abstract: Compounds represented by the following formula (I), are useful as hyperglycemic inhibitors having a serine protease inhibitory action and as prophylactic or therapeutic drugs for diabetes.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: May 5, 2015
    Assignee: Ajinomoto Co., Inc.
    Inventors: Takahiro Koshiba, Munetaka Tokumasu, Taisuke Ichimaru, Koji Ohsumi, Tadakiyo Nakagawa, Tatsuhiro Yamada, Kayo Matsumoto, Tamotsu Suzuki
  • Publication number: 20150099733
    Abstract: Compounds represented by the following formula (I); wherein each symbol is as defined in the specification, are useful as hyperglycemic inhibitors having a serine protease inhibitory action and as prophylactic or therapeutic drugs for diabetes.
    Type: Application
    Filed: December 11, 2014
    Publication date: April 9, 2015
    Applicant: AJINOMOTO CO., INC.
    Inventors: Takahiro KOSHIBA, Munetaka TOKUMASU, Taisuke ICHIMARU, Koji OHSUMI, Tadakiyo NAKAGAWA, Tatsuhiro YAMADA, Kayo MATSUMOTO, Tamotsu SUZUKI
  • Publication number: 20140336376
    Abstract: Provided is a compound represented by the following general formula (I), or a pharmaceutically acceptable salt thereof. This novel compound has a glycogen-synthase activation ability, but activates a receptor PPAR to a low degree and is highly safe. In the formula, Ar is an aromatic carbocyclic ring or a heterocyclic ring; and Ar2 is represented by any one of the following rings and the like.
    Type: Application
    Filed: May 2, 2014
    Publication date: November 13, 2014
    Applicant: Ajinomoto Co., Inc.
    Inventors: Tadakiyo NAKAGAWA, Kayo Matsumoto, Sen Takeshita, Tomomi Yoshida, Munetaka Tokumasu, Hiroki Inoue, Kaori Kobayashi
  • Publication number: 20130338132
    Abstract: Compounds represented by the following formula (I), are useful as hyperglycemic inhibitors having a serine protease inhibitory action and as prophylactic or therapeutic drugs for diabetes.
    Type: Application
    Filed: June 14, 2012
    Publication date: December 19, 2013
    Applicant: Ajinomoto Co., Inc.
    Inventors: Takahiro Koshiba, Munetaka Tokumasu, Taisuke Ichimaru, Koji Ohsumi, Tadakiyo Nakagawa, Tatsuhiro Yamada, Kayo Matsumoto, Tamotsu Suzuki
  • Patent number: 8309561
    Abstract: Specific phenylalanine derivatives and analogues thereof have an antagonistic activity to ?4 integrin. They are used as therapeutic agents for various diseases concerning ?4 integrin.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: November 13, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Kazuyuki Sagi, Tatsuya Okuzumi, Tatsuhiro Yamada, Shunsuke Kageyama, Yoichiro Shima, Tadakiyo Nakagawa, Munetaka Tokumasu, Masayuki Sugiki, Hajime Ito, Itsuya Tanabe, Tamotsu Suzuki, Akira Nakayama, Kazuyuki Ubukata, Kenji Shinkai, Yasuhiro Tanaka, Misato Noguchi, Ayatoshi Andou, Yoriko Yamamoto, Noriyasu Kataoka, Koichi Fujita
  • Patent number: 8168827
    Abstract: Amide derivatives represented by the formula (I): wherein: A is a cycloalkyl group, an aryl group or a heteroaryl group; X is a nitrogen atom or CR17; Y is —NRa-, —(CRbRb?)m-, and the like; m is 0 to 4; and R1 to R17 may be the same or different and each is a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, a formyl group, a hydroxyl group, an ammonium group, an alkyl group optionally having one or more substituents, -ZR18 and the like, Z is —O—, —S(O)p-, —S(O)pO—, —NH—, —NR19-, and the like; or a pharmaceutically acceptable salt thereof, a hydrate thereof, or a solvate thereof may be applied to pharmaceutical use such as anti-inflammatory and analgesic action and the like.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: May 1, 2012
    Assignee: Ajinomoto Co., Inc.
    Inventors: Tadakiyo Nakagawa, Tamotsu Suzuki, Kaoru Takenaka, Shinichi Fujita, Youji Yamada, Yoichiro Shima, Tatsuya Okuzumi, Toshihiko Yoshimura, Masanao Yoshida, Masahiro Murata
  • Publication number: 20120088737
    Abstract: The present invention provides a pharmaceutical which possesses an excellent inhibitory effect on NHE3 (Na+/H+ exchanger type 3) and effectively improves diseases or conditions of organs in which NHE3 is expressed.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 12, 2012
    Applicant: AJINOMOTO CO., INC
    Inventors: Wataru MIYANAGA, Yoichiro SHIMA, Misato NOGUCHI, Akiko OONUKI, Yayoi KAWATO, Hiroshi IWATA, Eri HARADA, Ryuta TAKASHITA, Hirokazu UENO, Tadakiyo NAKAGAWA
  • Publication number: 20110082109
    Abstract: The present invention provides a pharmaceutical which possesses an excellent inhibitory effect on NHE3 (Na+/H+ exchanger type 3) and effectively improves diseases or conditions of organs in which NHE3 is expressed.
    Type: Application
    Filed: October 1, 2010
    Publication date: April 7, 2011
    Applicant: AJINOMOTO CO., INC.
    Inventors: Wataru MIYANAGA, Yoichiro Shima, Misato Noguchi, Akiko Oonuki, Yayoi Kawato, Hiroshi Iwata, Eri Harada, Ryuta Takashita, Hirokazu Ueno, Tadakiyo Nakagawa
  • Patent number: 7902179
    Abstract: A pharmaceutical composition containing a heterocyclic compound of the formula (I) wherein each symbol is as defined in the specification, an isomer thereof, a solvate thereof or a pharmaceutically acceptable salt thereof as an active ingredient has a superior TNF-? production suppressing action. Accordingly, it is useful for the prophylaxis or treatment of various diseases caused by abnormal production of TNF-?.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: March 8, 2011
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yasuhiro Tanaka, Kohichi Fujita, Yoshitomo Chujoh, Syunsuke Fukuda, Yuka Ikenoue, Tomoyuki Tagami, Akira Chiba, Ariko Kodaira, Hideki Matsumoto, Tadakiyo Nakagawa, Tatsuhiro Yamada, Manabu Suzuki, Masahiro Murata
  • Patent number: 7728005
    Abstract: The present invention relates to an ether derivative represented by the formula (I), a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof wherein each symbol is as defined in the description, and an ether derivative represented by the formula (III), a pharmaceutically acceptable salt thereof, a hydrate thereof or a solvate thereof wherein each symbol is as defined in the description; a pharmaceutical composition containing the ether derivative; and a package containing the pharmaceutical composition and a description of use thereof. A pharmaceutical composition of the present invention, which contains this compound of the present invention has a superior anti-inflammatory and analgesic activity and is useful as various pharmaceutical agents such as an anti-inflammatory agent, an analgesic, a therapeutic agent for inflammatory bowel disease, a therapeutic agent for pollakiuria and/or incontinentia, a therapeutic agent for asthma and the like.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: June 1, 2010
    Assignee: Ajinomoto Co., Inc.
    Inventors: Tatsuya Okuzumi, Tamotsu Suzuki, Youji Yamada, Shinichi Fujita, Yoichiro Shima, Yoriko Yamamoto, Tetsuo Yano, Tadakiyo Nakagawa
  • Publication number: 20100093973
    Abstract: Herein disclosed is a water-soluble compound represented by the following general formula (I) or a salt thereof. The compound is a novel water-soluble compound having an inhibitory effect on the absorption of phosphorus in vivo. where the structural variables are defined herein.
    Type: Application
    Filed: August 27, 2009
    Publication date: April 15, 2010
    Applicant: AJINOMOTO CO., INC.
    Inventors: Tadakiyo Nakagawa, Hironobu Tsugeno, Naomi Matsutani, Masayuki Sugiki, Haruko Hirashima, Tatsuya Okuzumi, Tatsuya Kasahara, Wataru Miyanaga, Takashi Yamamoto, Masatsugu Noguchi, Kayo Matsumoto, Hideyuki Tanaka, Tomoyuki Konda
  • Publication number: 20090258900
    Abstract: Amide derivatives represented by the formula (I): wherein: A is a cycloalkyl group, an aryl group or a heteroaryl group; X is a nitrogen atom or CR17; Y is —NRa—, —(CRbRb?)m-, and the like; m is 0 to 4; and R1 to R17 may be the same or different and each is a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, a formyl group, a hydroxyl group, an ammonium group, an alkyl group optionally having one or more substituents, -ZR18 and the like, Z is —O—, —S(O)p-, —S(O)pO—, —NH—, —NR19-, and the like; or a pharmaceutically acceptable salt thereof, a hydrate thereof, or a solvate thereof may be applied to pharmaceutical use such as anti-inflammatory and analgesic action and the like.
    Type: Application
    Filed: June 19, 2009
    Publication date: October 15, 2009
    Applicant: AJINOMOTO CO. INC
    Inventors: Tadakiyo Nakagawa, Tamotsu Suzuki, Kaoru Takenaka, Shinichi Fujita, Youji Yamada, Yoichiro Shima, Tatsuya Okuzumi, Toshihiko Yoshimura, Masanao Yoshida, Masahiro Murata
  • Patent number: 7572815
    Abstract: Amide derivatives represented by the formula (I): wherein: A is a cycloalkyl group, an aryl group or a heteroaryl group; X is a nitrogen atom or CR17; Y is —NRa—, —(CRbRb?)m-, and the like; m is 0 to 4; and R1 to R17 may be the same or different and each is a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, a formyl group, a hydroxyl group, an ammonium group, an alkyl group optionally having one or more substituents, ZR18 and the like, Z is —O—, —S(O)p-, —S(O)pO—, —NH—, —NR19-, and the like; or R1 and R2 may in combination form a ring, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a solvate thereof may be applied to pharmaceutical use such as anti-inflammatory and analgesic action and the like.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: August 11, 2009
    Assignee: Ajinomoto Co., Inc.
    Inventors: Tadakiyo Nakagawa, Tamotsu Suzuki, Kaoru Takenaka, Shinichi Fujita, Youji Yamada, Yoichiro Shima, Tatsuya Okuzumi, Toshihiko Yoshimura, Masanao Yoshida, Masahiro Murata
  • Patent number: 7396844
    Abstract: Benzamidine derivatives of the following formulae or analogs thereof, i.e., pharmaceutically acceptable salts thereof, are provided.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: July 8, 2008
    Assignee: Ajinomoto Co., Inc.
    Inventors: Masaru Takayanagi, Kazuyuki Sagi, Tadakiyo Nakagawa, Masahiro Yamanashi, Takashi Kayahara, Shunji Takehana, Yumiko Fukuda, Mitsuo Takahashi, Masataka Shoji