Patents by Inventor Akihiko Tsuruoka

Akihiko Tsuruoka 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: 20190111043
    Abstract: The present invention provides a therapeutic agent for bile duct cancer comprising 5-((2-(4-(1-(2-hydroxyethyl)piperidin-4-yl)benzamide)pyridin-4-yl)oxy)-6-(2-methoxyethoxy)-N-methyl-1H-indole-1-carboxamide or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: December 19, 2018
    Publication date: April 18, 2019
    Applicants: NATIONAL CANCER CENTER, Eisai R&D Management Co., Ltd.
    Inventors: Tatsuhiro SHIBATA, Yasuhito ARAI, Kenichi NOMOTO, Tomio NAKAMURA, Akihiko TSURUOKA, Saori MIYANO
  • Publication number: 20190000829
    Abstract: A therapeutic agent for biliary tract cancer comprising 4-[3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy]-7-methoxy-6-quinolinecarboxamide or a pharmacologically acceptable salt thereof is provided.
    Type: Application
    Filed: August 17, 2016
    Publication date: January 3, 2019
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Junji Matsui, Masahiro Matsuki, Akihiko Tsuruoka, Toshiyuki Tamai, Ryo Nakajima, Takuya Suzuki
  • Publication number: 20180015079
    Abstract: The present invention provides a therapeutic agent for bile duct cancer comprising 5-((2-(4-(1-(2-hydroxyethyl)piperidin-4-yl)benzamide)pyridin-4-yl)oxy)-6-(2-methoxyethoxy)-N-methyl-1H-indole-1-carboxamide or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: March 23, 2016
    Publication date: January 18, 2018
    Inventors: Tatsuhiro SHIBATA, Yasuhito ARAI, Kenichi NOMOTO, Tomio NAKAMURA, Akihiko TSURUOKA, Saori MIYANO
  • Patent number: 8865737
    Abstract: The present invention relates to a therapeutic agent represented by the General formula (I), or a pharmacologically acceptable salt thereof, or a solvate of the compound or the salt thereof: The therapeutic agent comprises a substance having the activity of inhibiting kinase activity of fibroblast growth factor receptor 2 (“FGFR2”). The therapeutic agent can be used for treating undifferentiated gastric cancer, and can also be used to treat organisms comprising a cell overexpressing FGFR2 or a cell expressing mutant FGFR2, or both. The present invention further relates to a pharmaceutical composition comprising an FGFR2 inhibitory and methods of treatment therewith. The present invention also relates to a method for predicting the effect of an FGFR2 inhibitory substance on a patient.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: October 21, 2014
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Yuji Yamamoto, Tomohiro Matsushima, Akihiko Tsuruoka, Hiroshi Obaishi, Takayuki Nakagawa
  • Patent number: 7994159
    Abstract: It was discovered that a compound represented by the general formula (I) shows strong c-Kit kinase inhibitory activity, and it inhibits proliferation of c-Kit kinase activated-cancer cells in vitro and in vivo. A novel anticancer agent showing c-Kit kinase inhibitory activity was discovered. The general formula (I): (wherein R1 represents methyl etc., R2 represents cyano etc., R3 represents hydrogen etc., R4 represents hydrogen etc.).
    Type: Grant
    Filed: March 10, 2004
    Date of Patent: August 9, 2011
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Yuji Yamamoto, Tatsuo Watanabe, Masayuki Okada, Akihiko Tsuruoka
  • Publication number: 20110118470
    Abstract: Compounds represented by the following general formula: wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a group represented by the following general formula: (wherein Eg is a single bond or —N(Rg2)—), Rg1 and Rg2 each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, etc. and Zg represents a C1-8 alkyl group, a C3-8 alicyclic hydrocarbon group, a C6-14 aryl group, etc.), salts thereof or hydrates of the foregoing.
    Type: Application
    Filed: January 7, 2011
    Publication date: May 19, 2011
    Inventors: Yasuhiro FUNAHASHI, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken-ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui, Kenji Matsui, Takako Yoshiba, Yasuyuki Suzuki, Itaru Arimoto
  • Patent number: 7834049
    Abstract: The present invention provides an integrin expression inhibitor, and an agent for treating arterial sclerosis, psoriasis, cancer, retinal angiogenesis, diabetic retinopathy or inflammatory diseases, an anticoagulant, or a cancer metastasis suppressor on the basis of an integrin inhibitory action.
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: November 16, 2010
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Toshiaki Wakabayashi, Yasuhiro Funahashi, Naoko Hata, Taro Semba, Yuji Yamamoto, Toru Haneda, Takashi Owa, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi, Kazumasa Nara, Shinichi Hamaoka, Norihiro Ueda
  • Publication number: 20100267754
    Abstract: The present invention provides an integrin expression inhibitor, and an agent for treating arterial sclerosis, psoriasis, cancer, retinal angiogenesis, diabetic retinopathy or inflammatory diseases, an anticoagulant, or a cancer metastasis suppressor on the basis of an integrin inhibitory action.
    Type: Application
    Filed: June 10, 2010
    Publication date: October 21, 2010
    Inventors: Toshiaki WAKABAYASHI, Yasuhiro Funahashi, Naoko Hata, Taro Semba, Yuji Yamamoto, Toru Haneda, Takashi Owa, Akihiko Tsuruoka, Junichi Kamata, Tadashi Okabe, Keiko Takahashi, Kazumasa Nara, Shinichi Hamaoka, Norihiro Ueda
  • Publication number: 20100197911
    Abstract: Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a group represented by the following general formula: (wherein Eg is a single bond or —N(Rg2)—, Rg1 and Rg2 each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, etc. and Zg represents a C1-8 alkyl group, a C3-8 alicyclic hydrocarbon group, a C6-14 aryl group, etc.)], salts thereof or hydrates of the foregoing.
    Type: Application
    Filed: October 2, 2008
    Publication date: August 5, 2010
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken-ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui, Kenji Matsui, Takako Yoshiba, Yasuyuki Suzuki, Itaru Arimoto
  • Patent number: 7612092
    Abstract: Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a group represented by the following general formula: (wherein Eg is a single bond or —N(Rg2)—, Rg1 and Rg2 each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, etc. and Zg represents a C1-8 alkyl group, a C3-8 alicyclic hydrocarbon group, a C6-14 aryl group, etc.)], salts thereof or hydrates of the foregoing.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: November 3, 2009
    Assignee: Eisai R & D Management Co., Ltd.
    Inventors: Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken-ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui
  • Publication number: 20090264464
    Abstract: The present invention relates to a therapeutic agent represented by the General formula (I), or a pharmacologically acceptable salt thereof, or a solvate of the compound or the salt thereof: The therapeutic agent comprises a substance having the activity of inhibiting kinase activity of fibroblast growth factor receptor 2 (“FGFR2”). The therapeutic agent can be used for treating undifferentiated gastric cancer, and can also be used to treat organisms comprising a cell overexpressing FGFR2 or a cell expressing mutant FGFR2, or both. The present invention further relates to a pharmaceutical composition comprising an FGFR2 inhibitory and methods of treatment therewith. The present invention also relates to a method for predicting the effect of an FGFR2 inhibitory substance on a patient.
    Type: Application
    Filed: August 27, 2007
    Publication date: October 22, 2009
    Applicant: Eisai R & D Management Co., Ltd.
    Inventors: Yuji Yamamoto, Tomohiro Matsushima, Akihiko Tsuruoka, Hiroshi Obaishi, Takayuki Nakagawa
  • Patent number: 7550483
    Abstract: An amorphous form of a salt of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: June 23, 2009
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Takahisa Sakaguchi, Akihiko Tsuruoka
  • Patent number: 7468380
    Abstract: A compound represented by the general formula: wherein X1 represents a nitrogen atom or a group represented by the formula —CR10?; X2 represents a nitrogen atom or a group represented by the formula —CR11?; Y represents an oxygen atom or the like; R1 represents a C1-6 alkoxy group, an optionally substituted C6-10 aryloxy group, a group represented by the formula —NR12aR12b or the like; R2 represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or the like; R3, R4, R5, R6, R7, R8, R10 and R11 each independently represent a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or the like; R9 represents a group represented by the formula —NR16aR16b or the like; and R12a, R12b, R16a and R16b each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, or the like, a salt thereof, or a hydrate of the foregoing.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: December 23, 2008
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Akihiko Tsuruoka, Tomohiro Matsushima, Masayuki Matsukura, Kazuki Miyazaki, Keiko Takahashi, Junichi Kamata, Yoshio Fukuda
  • Patent number: 7253286
    Abstract: Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a group represented by the following general formula: (wherein Eg is a single bond or —N(Rg2)—, Rg1 and Rg2 each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, etc. and Zg represents a C1-8 alkyl group, a C3-8 alicyclic hydrocarbon group, a C6-14 aryl group, etc.)], salts thereof or hydrates of the foregoing.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: August 7, 2007
    Assignee: Eisai Co., Ltd
    Inventors: Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken-ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui, Kenji Matsui, Takako Yoshiba, Yasuyuki Suzuki, Itaru Arimoto
  • Publication number: 20070004764
    Abstract: A compound represented by the general formula: wherein X1 represents a nitrogen atom or a group represented by the formula —CR10?; X2 represents a nitrogen atom or a group represented by the formula —CR11?; Y represents an oxygen atom or the like; R1 represents a C1-6 alkoxy group, an optionally substituted C6-10 aryloxy group, a group represented by the formula —NR12aR12b or the like; R2 represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or the like; R3, R4, R5, R6, R7, R8, R10 and R11 each independently represent a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or the like; R9 represents a group represented by the formula —NR16aR16b or the like; and R12a, R12b, R16a and R16b each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, or the like, a salt thereof, or a hydrate of the foregoing.
    Type: Application
    Filed: August 18, 2006
    Publication date: January 4, 2007
    Inventors: Akihiko Tsuruoka, Tomohiro Matsushima, Masayuki Matsukura, Kazuki Miyazaki, Keiko Takahashi, Junichi Kamata, Yoshio Fukuda
  • Publication number: 20070004773
    Abstract: An amorphous form of a salt of 4-(3-chloro-4-(cyclopropylaminocarbonyl)aminophenoxy)-7-methoxy-6-quinolinecarboxamide.
    Type: Application
    Filed: June 22, 2006
    Publication date: January 4, 2007
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Takahisa Sakaguchi, Akihiko Tsuruoka
  • Publication number: 20060247259
    Abstract: Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a group represented by the following general formula: (wherein Eg is a single bond or —N(Rg2)—, Rg1 and Rg2 each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, etc. and Zg represents a C1-8 alkyl group, a C3-8 alicyclic hydrocarbon group, a C6-14 aryl group, etc.)], salts thereof or hydrates of the foregoing.
    Type: Application
    Filed: December 2, 2005
    Publication date: November 2, 2006
    Inventors: Yasuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken-ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui, Kenji Matsui, Takako Yoshiba, Yasuyuki Suzuki, Itaru Arimoto
  • Patent number: 7109219
    Abstract: A compound represented by the general formula: wherein X1 represents a nitrogen atom or a group represented by the formula —CR10?; X2 represents a nitrogen atom or a group represented by the formula —CR11?; Y represents an oxygen atom or the like; R1 represents a C1-6 alkoxy group, an optionally substituted C6-10 aryloxy group, a group represented by the formula —NR12aR12b or the like; R2 represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or the like; R3, R4, R5, R6, R7, R8, R10 and R11 each independently represent a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or the like; R9 represents a group represented by the formula —NR12aR12b or the like; and R12a and R12b each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, or the like, a salt thereof, or a hydrate of the foregoing.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: September 19, 2006
    Assignee: Eisai Co., Ltd.
    Inventors: Akihiko Tsuruoka, Tomohiro Matsushima, Masayuki Matsukura, Kazuki Miyazaki, Keiko Takahashi, Junichi Kamata, Yoshio Fukuda
  • Publication number: 20060160832
    Abstract: Compounds represented by the following general formula: [wherein Ag is an optionally substituted 5- to 14-membered heterocyclic group, etc.; Xg is —O—, —S—, etc.; Yg is an optionally substituted C6-14 aryl group, an optionally substituted 5- to 14-membered heterocyclic group, etc.; and Tg1 is a group represented by the following general formula: (wherein Eg is a single bond or —N(Rg2)—, Rg1 and Rg2 each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, etc. and Zg represents a C1-8 alkyl group, a C3-8 alicyclic hydrocarbon group, a C6-14 aryl group, etc.)], salts thereof or hydrates of the foregoing.
    Type: Application
    Filed: February 3, 2006
    Publication date: July 20, 2006
    Inventors: Yosuhiro Funahashi, Akihiko Tsuruoka, Masayuki Matsukura, Toru Haneda, Yoshio Fukuda, Junichi Kamata, Keiko Takahashi, Tomohiro Matsushima, Kazuki Miyazaki, Ken-ichi Nomoto, Tatsuo Watanabe, Hiroshi Obaishi, Atsumi Yamaguchi, Sachi Suzuki, Katsuji Nakamura, Fusayo Mimura, Yuji Yamamoto, Junji Matsui, Kenji Matsui, Takako Yoshiba, Yasuyuki Suzuki, Itaru Arimoto
  • Publication number: 20060004029
    Abstract: A compound represented by the general formula: wherein X1 represents a nitrogen atom or a group represented by the formula —CR10?; X2 represents a nitrogen atom or a group represented by the formula —CR11?; Y represents an oxygen atom or the like; R1 represents a C1-6 alkoxy group, an optionally substituted C6-10 aryloxy group, a group represented by the formula —NR12aR12b or the like; R2 represents a hydrogen atom, an optionally substituted C1-6 alkyl group, or the like; R3, R4, R5, R6, R7, R8, R10 and R11 each independently represent a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or the like; R9 represents a group represented by the formula —NR16aR16b or the like; and R12a, R12b, R16a and R16b each independently represent a hydrogen atom, an optionally substituted C1-6 alkyl group, or the like, a salt thereof, or a hydrate of the foregoing.
    Type: Application
    Filed: August 28, 2003
    Publication date: January 5, 2006
    Inventors: Akihiko Tsuruoka, Tomohiro Matsushima, Masayuki Matasukura, Kazuki Miyazaki, Keiko Takahashi, Junichi Kamata, Yoshio Fukuda