Patents Assigned to Eisai Co., Ltd.
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Publication number: 20140309174Abstract: The present invention provides compounds having formula (I): and additionally provides methods for the synthesis thereof and methods for the use thereof in the treatment of cancer, wherein R1-R7, X1, X2, R, Q, and n are as defined herein.Type: ApplicationFiled: November 12, 2013Publication date: October 16, 2014Applicant: Eisai Co., LtdInventors: James J. Kowalczyk, Galina Kuznetsov, Shawn Schiller, Boris M. Seletsky, Mark Spyvee, Hu Yang
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Patent number: 8633224Abstract: The present invention provides compounds having formula (I): and additionally provides methods for the synthesis thereof and methods for the use thereof in the treatment of cancer, wherein R1-R7, X1, X2, R, Q, and n are as defined herein.Type: GrantFiled: February 3, 2012Date of Patent: January 21, 2014Assignee: Eisai Co., Ltd.Inventors: James J. Kowalczyk, Galina Kuznetsov, Shawn Schiller, Boris M. Seletsky, Mark Spyvee, Hu Yang
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Publication number: 20130196987Abstract: The present invention provides compounds, methods for the synthesis thereof and methods for the use thereof in the treatment of various disorders including inflammatory or autoimmune disorders, and disorders involving malignancy or increased angiogenesis.Type: ApplicationFiled: October 30, 2012Publication date: August 1, 2013Applicant: EISAI CO., LTD.Inventors: Roch Boivin, Kenichi Chiba, Jesse Chow, Hong Du, Yoshihito Eguchi, Masanori Fujita, Masaki Goto, Fabian Gusovsky, Jean-Christophe Harmange, Atsushi Inoue, Yimin Jiang, Megumi Kawada, Takatoshi Kawai, Yoshiyuki Kawakami, Akifumi Kimura, Makoto Kotake, Yoshikazu Kuboi, Charles-Andre Lemelin, Xiang-Yi Li, Tomohiro Matsushima, Yoshiharu Mizui, Kenzo Muramoto, Hideki Sakurai, Yong-Chun Shen, Hiroshi Shirota, Mark Spyvee, Isao Tanaka, John (Yuan) Wang, Satoshi Yamamoto, Naoki Yoneda
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Patent number: 8329742Abstract: The present invention provides methods for the use of compounds having formula (I) in the treatment of various disorders including inflammatory or autoimmune disorders, and disorders involving malignancy or increased angiogenesis, wherein R1-R11, t, X, Y, Z, and n are as defined herein.Type: GrantFiled: July 20, 2010Date of Patent: December 11, 2012Assignee: EISAI Co., Ltd.Inventors: Roch Boivin, Kenichi Chiba, Jesse Chow, Hong Du, Yoshihito Eguchi, Masanori Fujita, Masaki Goto, Fabian Gusovsky, Jean-Christophe Harmange, Atsushi Inoue, Yimin Jiang, Megumi Kawada, Takatoshi Kawai, Yoshiyuki Kawakami, Akifumi Kimura, Makoto Kotake, Yoshikazu Kuboi, Charles-André Lemelin, Xiang-Yi Li, Tomohiro Matsushima, Yoshiharu Mizui, Kenzo Muramoto, Hideki Sakurai, Yong-Chun Shen, Hiroshi Shirota, Mark Spyvee, Isao Tanaka, John (Yuan) Wang, Satoshi Yamamoto, Naoki Yoneda
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Publication number: 20120309938Abstract: The present invention provides compounds having formula (I): and additionally provides methods for the synthesis thereof and methods for the use thereof in the treatment of cancer, wherein R1-R7, X1, X2, R, Q, and n are as defined herein.Type: ApplicationFiled: February 3, 2012Publication date: December 6, 2012Applicant: EISAI CO., LTD.Inventors: James J. KOWALCZYK, Galina KUZNETSOV, Shawn SCHILLER, Boris M. SELETSKY, Mark SPYVEE, Hu YANG
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Patent number: 8071085Abstract: The present invention relates to primary cultured adipocytes for gene therapy, where the adipocytes stably maintain a foreign gene encoding a protein that is secreted outside of cells. This invention provides cells suitable for gene therapy, which can replace bone marrow cells and liver cells used for conventional ex vivo gene therapy. The present invention established methods for transferring foreign genes into primary cultured adipocytes, which are suitable for ex vivo gene therapy; can be easily collected and implanted; and can be removed after implantation. Specifically, the present invention established these methods that use retroviral vectors. The present invention also established primary cultured adipocytes for gene therapy, where the adipocytes stably maintain a foreign gene encoding a protein that is secreted outside of cells.Type: GrantFiled: July 17, 2008Date of Patent: December 6, 2011Assignee: Eisai Co., Ltd.Inventors: Masashi Ito, Yasushi Saito
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Patent number: 7999090Abstract: The present invention provides isolated DNA encoding a GWT1 protein having activity to confer resistance of a fungus against a compound of formula Ia, and wherein a defect of a function of the GWT1 protein leads to a decrease in the amount of a glycosylphosphatidylinositol (GPI)-anchored protein in the cell wall of a fungus.Type: GrantFiled: April 15, 2008Date of Patent: August 16, 2011Assignee: Eisai Co., LtdInventors: Kappei Tsukahara, Katsura Hata, Koji Sagane, Kazutaka Nakamoto, Mamiko Tsuchiya, Naoaki Watanabe, Fuminori Ohba, Itaru Tsukada, Norihiro Ueda, Keigo Tanaka, Junko Kai
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Publication number: 20110166173Abstract: The present invention provides novel compounds of forumula (I) and their use in the inhibition of c-Jun N-terminal kinases. The present invention further provides the use of these compounds in medicine, in particular in the prevention and/or treatment of neurodegenerative disorders related to apoptosis and/or inflammation.Type: ApplicationFiled: March 3, 2005Publication date: July 7, 2011Applicant: Eisai Co., Ltd.Inventors: Darren Peter Medland, Piotr Pawel Graczyk, Gurpreet Singh Bhatia
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Publication number: 20110144101Abstract: The present invention provides methods for the use of compounds having formula (I) in the treatment of various disorders including inflammatory or autoimmune disorders, and disorders involving malignancy or increased angiogenesis, wherein R1-R11, t, X, Y, Z, and n are as defined herein.Type: ApplicationFiled: July 20, 2010Publication date: June 16, 2011Applicant: EISAI CO., LTD.Inventors: Roch Boivin, Kenichi Chiba, Jesse Chow, Hong Du, Yoshihito Eguchi, Masanori Fujita, Masaki Goto, Fabian Gusovsky, Jean-Christophe Harmange, Atsushi Inoue, Yimin Jiang, Megumi Kawada, Takatoshi Kawai, Yoshiyuki Kawakami, Akifumi Kimura, Makoto Kotake, Yoshikazu Kuboi, Charles-André Lemelin, Xiang-Yi Li, Tomohiro Matsushima, Yoshiharu Mizui, Kenzo Muramoto, Hideki Sakurai, Yong-Chun Shen, Hiroshi Shirota, Mark Spyvee, Isao Tanaka, John (Yuan) Wang, Satoshi Yamamoto, Naoki Yoneda
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Patent number: 7928228Abstract: A Compound represented by the following general formula (1): wherein R1a, R1b, R1c and R1d each independently represent hydrogen, etc.; R2 represents optionally substituted phenyl, etc.; R3 represents optionally substituted C6-10 aryl, etc.; and Z1 and Z2 each independently represent hydrogen or salts thereof or hydrates of the foregoing.Type: GrantFiled: March 29, 2010Date of Patent: April 19, 2011Assignees: Eisai Co., Ltd., Eisai R&D Management Co., Ltd.Inventors: Richard Clark, Fumiyoshi Matsuura, Kazunobu Kira, Shinsuke Hirota, Hiroshi Azuma, Tadashi Nagakura, Tatsuo Horizoe, Kimiyo Tabata, Kazutomi Kusano, Takao Omae, Atsushi Inoue
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Patent number: 7915306Abstract: The present invention provides compositions comprising compounds having formula (I): and additionally provides methods for the use thereof in the treatment of various disorders including inflammatory or autoimmune disorders, and disorders involving malignancy or increased angiogenesis, wherein R1-R11, X, Y, Z, and n are as defined herein. In certain embodiments, the compositions are for systemic (e.g., oral) administration. In certain embodiments, methods for the treatment of various disorders including inflammatory or autoimmune disorders comprise systemically (e.g., orally) administering to a subject in need thereof a therapeutically effective amount of a compound of formula (I).Type: GrantFiled: September 9, 2003Date of Patent: March 29, 2011Assignee: Eisai Co., Ltd.Inventors: Kenichi Chiba, Hong Du, Yoshihito Eguchi, Masanori Fujita, Masaki Goto, Fabian Gusovsky, Jean-Christophe Harmange, Atsushi Inoue, Megumi Kawada, Takatoshi Kawai, Yoshiyuki Kawakami, Akifumi Kimura, Makoto Kotake, Yoshikazu Kuboi, Tomohiro Matsushima, Yoshiharu Mizui, Kenzo Muramoto, Hideki Sakurai, Yong-Chun Shen, Hiroshi Shirota, Mark Spyvee, Isao Tanaka, John (Yuan) Wang, Ray Wood, Satoshi Yamamoto, Naoki Yoneda
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Patent number: 7816522Abstract: A Compound represented by the following general formula (1), salts thereof or hydrates of the foregoing is a novel compound useful for treatment and/or prevention of diseases associated with thrombus formation, and which is safer with suitable physicochemical stability. [wherein R1a, R1b, R1c and R1d each independently represent hydrogen, etc.; R2 represents optionally substituted phenyl, etc.; R3 represents optionally substituted C6-10 aryl, etc.Type: GrantFiled: March 22, 2007Date of Patent: October 19, 2010Assignee: Eisai Co., Ltd.Inventors: Richard Clark, Fumiyoshi Matsuura, Kazunobu Kira, Shinsuke Hirota, Hiroshi Azuma, Tadashi Nagakura, Tatsuo Horizoe, Kimiyo Tabata, Kazutomi Kusano, Takao Omae, Atsushi Inoue
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Patent number: 7799827Abstract: The present invention provides compounds having formula (I): and additionally provides methods for the synthesis thereof and methods for the use thereof in the treatment of various disorders including inflammatory or autoimmune disorders, and disorders involving malignancy or increased angiogenesis, wherein R1-R11, X, Y, Z, and n are as defined herein.Type: GrantFiled: March 7, 2003Date of Patent: September 21, 2010Assignee: Eisai Co., Ltd.Inventors: Roch Boivin, Kenichi Chiba, Jesse Chow, Hong Du, Yoshihito Eguchi, Masanori Fujita, Masaki Goto, Fabian Gusovsky, Jean-Christophe Harmange, Atsushi Inoue, Yimin Jiang, Megumi Kawada, Takatoshi Kawai, Yoshiyuki Kawakami, Akifumi Kimura, Makoto Kotake, Yoshikazu Kuboi, Charles-André Lemelin, Xiang-Yi Li, Tomohiro Matsushima, Yoshiharu Mizui, Kenzo Muramoto, Hideki Sakurai, Yong-Chun Shen, Hiroshi Shirota, Mark Spyvee, Isao Tanaka, John (Yuan) Wang, Satoshi Yamamoto, Naoki Yoneda
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Publication number: 20100003747Abstract: Using protein visualization techniques, cell lines stably expressing GFP-fused full-length and mutant APCs were obtained from cultured Xenopus laevis renal epithelial A6 cells. The use of these cells showed that mutant APCs, whose C-terminal region is absent, induced piling up of cells. Furthermore, piled up cells from mutant APC-expressing cell lines were proven to maintain the intercellular adhesive structure, representing a phenomenon similar to polyp formation in individual organisms (mice).Type: ApplicationFiled: March 21, 2008Publication date: January 7, 2010Applicant: Eisai Co., Ltd.Inventors: Yuko Kiyosue, Hiroyuki Sasaki, Shoichiro Tsukita
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Patent number: 7585976Abstract: The present invention provides compounds having formula (I): and additionally provides methods for the synthesis thereof and methods for the use thereof in the treatment of cancer, wherein R1-R7, X1, X2, R, Q, and n are as defined herein.Type: GrantFiled: January 26, 2006Date of Patent: September 8, 2009Assignee: Eisai Co., Ltd.Inventors: Silvio A. Campagna, Francis G. Fang, James J. Kowalczyk, Shawn Schiller, Boris M. Seletsky, Mark Spyvee, Hu Yang
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Publication number: 20090198074Abstract: Methods of synthesizing intermediates useful for the synthesis of halichondrin B analogs are described.Type: ApplicationFiled: October 3, 2008Publication date: August 6, 2009Applicant: EISAI CO., LTD.Inventors: Charles CHASE, Atsushi ENDO, Francis G. FANG, Jing LI
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Patent number: 7563808Abstract: The invention describes novel methods for treating and preventing dementia caused by vascular diseases; dementia associated with Parkinson's disease; Lewy Body dementia; AIDS dementia; mild cognitive impairments; age-associated memory impairments; cognitive impairments and/or dementia associated with neurologic and/or psychiatric conditions, including epilepsy, brain tumors, brain lesions, multiple sclerosis, Down's syndrome, Rett's syndrome, progressive supranuclear palsy, frontal lobe syndrome, and schizophrenia and related psychiatric disorders; cognitive impairments caused by traumatic brain injury, post coronary artery by-pass graft surgery, electroconvulsive shock therapy, and chemotherapy, administering a therapeutically effective amount of at least one of the cholinesterase inhibitor compounds described herein.Type: GrantFiled: December 11, 2003Date of Patent: July 21, 2009Assignee: Eisai Co., Ltd.Inventor: Raymond Pratt
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Publication number: 20090131480Abstract: The invention provides methods for treating and/or preventing cognitive impairments, dementia, or neurodegenerative diseases and disorders (e.g., Alzheimer's disease, Parkinson's disease, Huntington's disease, amyotrophic lateral sclerosis) in patients by administering therapeutically effective amounts of an AMPA receptor antagonist (e.g., 1,2-dihydropyridine compounds) and therapeutically effective amounts of nootropics (e.g., cholinesterase inhibitors) to patients. The invention also provides combinations, commercial packages, and pharmaceutical compositions comprising therapeutically effective amounts of AMPA receptor antagonists (e.g., 1,2-dihydropyridine compounds) and therapeutically effective amounts nootropics (e.g., cholinesterase inhibitors). The 1,2-dihydropyridine compound may be, for example, 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one. The cholinesterase inhibitor may be, for example, donepezil.Type: ApplicationFiled: April 4, 2006Publication date: May 21, 2009Applicant: EISAI Co., Ltd.Inventors: Julian A. Gray, Yoshiharu Yamanishi, Julian A. Gray, Yoshiharu Yamanishi, Nobuyuki Mori, Scott Fields
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Patent number: 7528152Abstract: The present invention provides compounds having formula (I): and additionally provides methods for the synthesis thereof and methods for the use thereof in the treatment of cancer, wherein R1-R7, X1, X2, R, Q, and n are as defined herein.Type: GrantFiled: February 2, 2007Date of Patent: May 5, 2009Assignee: Eisai Co., Ltd.Inventors: James J. Kowalczyk, Galina Kuznetsov, Shawn Schiller, Boris M. Seletsky, Mark Spyvee, Hu Yang
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Publication number: 20090048333Abstract: The present invention provides compounds, pharmaceutical compositions and methods for the treatment of specific cancers. Such compositions may generally comprise a compound of formula (I): wherein R3-R6, R8-R10, R13 and Y are as defined herein, or pharmaceutically acceptable salts or esters thereof; and a pharmaceutically acceptable carrier.Type: ApplicationFiled: July 25, 2008Publication date: February 19, 2009Applicant: EISAI CO., LTD.Inventors: Hong Du, John (Yuan) Wang