Patents by Inventor Hirosato Ebiike

Hirosato Ebiike 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: 10479780
    Abstract: An objective of the present invention is to provide low-molecular-weight compounds that can inhibit Src family kinases. The present invention relates to compounds represented by general formula (I) or pharmacologically acceptable salts thereof. In the formula, Ar1 is optionally substituted C6-10 arylene or 5- to 10-membered heteroarylene, and Ar2 is optionally substituted C6-10 aryl or 5- to 10-membered heteroaryl. R1 and R2 are defined as described in the specification.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: November 19, 2019
    Assignees: Chugai Seiyaku Kabushiki Kaisha, F. Hoffmann-La Roche AG
    Inventors: Hirosato Ebiike, Toshihiro Aoki, Takashi Chiba, Masami Kochi, Kimitaka Nakama, Satoshi Niizuma, Hiroki Nishii, Jun Ohwada, Hiroyuki Shimamura, Aiko Suge, Yoshito Nakanishi, Natsuki Kobayashi
  • Publication number: 20180362509
    Abstract: An objective of the present invention is to provide low-molecular-weight compounds that can inhibit Src family kinases. The present invention relates to compounds represented by general formula (I) or pharmacologically acceptable salts thereof. In the formula, Ar1 is optionally substituted C6-10 arylene or 5- to 10-membered heteroarylene, and Ar2 is optionally substituted C6-10 aryl or 5- to 10-membered heteroaryl. R1 and R2 are defined as described in the specification.
    Type: Application
    Filed: June 17, 2016
    Publication date: December 20, 2018
    Applicants: Chugai Seiyaku Kabushiki Kaisha, F. Hoffmann-La Roche AG
    Inventors: Hirosato Ebiike, Toshihiro Aoki, Takashi Chiba, Masami Kochi, Kimitaka Nakama, Satoshi Niizuma, Hiroki Nishii, Jun Ohwada, Hiroyuki Shimamura, Aiko Suge, Yoshito Nakanishi, Natsuki Kobayashi
  • Patent number: 9102692
    Abstract: A method for treating cancer that includes administering a pharmaceutically effective amount of a composition containing a compound represented by formula (I) or a pharmacologically acceptable salt thereof. In the formula, A represents a 5- to 10-membered heteroaryl group, or a C6-10 aryl group; R1 and R2 independently represent H, OH, X, CN, NO2, a C1-4 haloalkyl group, a C1-6 alkyl group, or the like <R1 and R2 together form a (substituted) 3- to 10-membered heterocyclyl group or a (substituted) 5- to 10-membered heteroaryl group>; R3 represents H, a C1-5 alkyl group, a C6-10 aryl group, a C1-5 alkyl group, or a C1-4 haloalkyl group; and R4 represents H, X, a C1-3 alkyl group, a C1-4 haloalkyl group, OH, CN, NO2, or the like.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: August 11, 2015
    Assignees: Chugai Seiyaku Kabushiki Kaisha, F. Hoffmann-La Roche AG
    Inventors: Naoki Taka, Masayuki Ohmori, Kyoko Takami, Masayuki Matsushita, Tadakatsu Hayase, Ikumi Hyodo, Masami Kochi, Hiroki Nishii, Hirosato Ebiike, Yoshito Nakanishi, Toshiyuki Mio, Lisha Wang, Weili Zhao
  • Publication number: 20140315856
    Abstract: A method for treating cancer that includes administering a pharmaceutically effective amount of a composition containing a compound represented by formula (I) or a pharmacologically acceptable salt thereof. In the formula, A represents a 5- to 10-membered heteroaryl group, or a C6-10 aryl group; R1 and R2 independently represent H, OH, X, CN, NO2, a C1-4 haloalkyl group, a C1-6 alkyl group, or the like <R1 and R2 together form a (substituted) 3- to 10-membered heterocyclyl group or a (substituted) 5- to 10-membered heteroaryl group>; R3 represents H, a C1-5 alkyl group, a C6-10 aryl group, a C1-5 alkyl group, or a C1-4 haloalkyl group; and R4 represents H, X, a C1-3 alkyl group, a C1-4 haloalkyl group, OH, CN, NO2, or the like.
    Type: Application
    Filed: June 6, 2014
    Publication date: October 23, 2014
    Applicants: F. HOFFMANN-LA ROCHE AG, CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Naoki Taka, Masayuki Ohmori, Kyoko Takami, Masayuki Matsushita, Tadakatsu Hayase, Ikumi Hyodo, Masami Kochi, Hiroki Nishii, Hirosato Ebiike, Yoshito Nakanishi, Toshiyuki Mio, Lisha Wang, Weili Zhao
  • Patent number: 8829199
    Abstract: A compound represented by formula (I) or a pharmacologically acceptable salt thereof, which can inhibit a fibroblast growth factor receptor (FGFR) family kinase in cancer tissues. (In the formula, A represents a 5- to 10-membered heteroaryl group, or a C6-10 aryl group; R1 and R2 independently represent H, OH, X, CN, NO2, a C1-4 haloalkyl group, a C1-6 alkyl group, or the like <R1 and R2 together form a (substituted) 3- to 10-membered heterocyclyl group or a (substituted) 5- to 10-membered heteroaryl group>; R3 represents H, a C1-5 alkyl group, a C6-10 aryl group, a C1-5 alkyl group, or a C1-4 haloalkyl group; and R4 represents H, X, a C1-3 alkyl group, a C1-4 haloalkyl group, OH, CN, NO2, or the like.
    Type: Grant
    Filed: August 5, 2010
    Date of Patent: September 9, 2014
    Assignees: Chugai Seiyaku Kabushiki Kaisha, F. Hoffmann-La Roche AG
    Inventors: Naoki Taka, Masayuki Ohmori, Kyoko Takami, Masayuki Matsushita, Tadakatsu Hayase, Ikumi Hyodo, Masami Kochi, Hiroki Nishii, Hirosato Ebiike, Yoshito Nakanishi, Toshiyuki Mio, Lisha Wang, Weili Zhao
  • Patent number: 8299252
    Abstract: It is intended to provide a compound represented by the formula (1): [wherein Ar is an arylene group to be attached selected from the following formula (2): (wherein * represents a binding site to a nitrogen atom and ** represents a binding site to T); T represents —(O)n—R; R represents a C1-C6 alkyl group or the like; n represents 0 or 1; X represents O or the like; R2, R3 and R4 are independently selected from a hydrogen atom or C1-C3 alkyl; or R2 and R3 may join together with an urea structure containing the nitrogen atoms to which they bind to form a 5- or 6-membered heterocycle; Y represents CH or N], or a pharmaceutically acceptable salt thereof or a prodrug thereof and a pharmaceutical composition containing the same.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: October 30, 2012
    Assignees: Chugai Seiyaku Kabushiki Kaisha, The University of Tokyo
    Inventors: Sawako Ozawa, Nobuhiro Oikawa, Eisaku Mizuguchi, Hirosato Ebiike, Fumio Watanabe, Kenji Morikami, Nobuo Shimma, Nobuya Ishii, Toshiyuki Tsukaguchi
  • Publication number: 20120208811
    Abstract: A compound represented by formula (I) or a pharmacologically acceptable salt thereof, which can inhibit a fibroblast growth factor receptor (FGFR) family kinase in cancer tissues. (In the formula, A represents a 5- to 10-membered heteroaryl group, or a C6-10 aryl group; R1 and R2 independently represent H, OH, X, CN, NO2, a C1-4 haloalkyl group, a C1-6 alkyl group, or the like <R1 and R2 together form a (substituted) 3- to 10-membered heterocyclyl group or a (substituted) 5- to 10-membered heteroaryl group>; R3 represents H, a C1-5 alkyl group, a C6-10 aryl group, a C1-5 alkyl group, or a C1-4 haloalkyl group; and R4 represents H, X, a C1-3 alkyl group, a C1-4 haloalkyl group, OH, CN, NO2, or the like.
    Type: Application
    Filed: August 5, 2010
    Publication date: August 16, 2012
    Applicants: F. HOFFMANN-LA ROCHE AG, CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Naoki Taka, Masayuki Ohmori, Kyoko Takami, Masayuki Matsushita, Tadakatsu Hayase, Ikumi Hyodo, Masami Kochi, Hiroki Nishii, Hirosato Ebiike, Yoshito Nakanishi, Toshiyuki Mio, Lisha Wang, Weili Zhao
  • Patent number: 8022205
    Abstract: A drug is provided that is useful as a preventive or therapeutic for cancer as a result of having superior PI3K inhibitory effects as well as superior stability in the body and water-solubility. A compound, or pharmaceutically acceptable salt thereof, represented by formula (I): [wherein, X represents a single bond, etc.; Y represents a single bond, etc. (provided that X and Y are not simultaneously single bonds); Z represents a hydrogen atom, etc.; m represents an integer of 1 or 2; and R1 represents a cyclic substituent].
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: September 20, 2011
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Nobuo Shimma, Hirosato Ebiike, Jun Ohwada, Hatsuo Kawada, Kenji Morikami, Mitsuaki Nakamura, Miyuki Yoshida, Nobuya Ishii, Masami Hasegawa, Shun Yamamoto, Kohei Koyama
  • Publication number: 20100324284
    Abstract: A preventive or therapeutic agent of a proliferative disease such as cancer, having superior PI3K inhibitory effects, superior cell proliferation inhibitory action as well as superior stability in a body and water solubility, is provided. A compound represented by formula (I): [wherein, Q represents a linking group represented by —X—Y—; X represents a single bond —CO—, —CONH—, —CON(C1-4 alkyl)-, —CS—, —CSNH—, —CSN(C1-4 alkyl)-, or —SO2—; Y represents a single bond, arylene or heteroarylene; provided that X and Y are not simultaneously single bonds; and R1 represents —C0-6 alkylene-(A)m-C1-6 alkyl, or C0-6 alkylene-(A)m-C0-6 alkylene-(heterocycle)] or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 6, 2009
    Publication date: December 23, 2010
    Inventors: Hirosato Ebiike, Jun Ohwada, Kohei Koyama, Takeshi Murata, Woo Sang Hong
  • Publication number: 20100168430
    Abstract: It is intended to provide a compound represented by the formula (1): [wherein Ar is an arylene group to be attached selected from the following formula (2): (wherein * represents a binding site to a nitrogen atom and ** represents a binding site to T); T represents —(O)n—R; R represents a C1-C6 alkyl group or the like; n represents 0 or 1; X represents O or the like; R2, R3 and R4 are independently selected from a hydrogen atom or C1-C3 alkyl; or R2 and R3 may join together with an urea structure containing the nitrogen atoms to which they bind to form a 5- or 6-membered heterocycle; Y represents CH or N], or a pharmaceutically acceptable salt thereof or a prodrug thereof and a pharmaceutical composition containing the same.
    Type: Application
    Filed: August 4, 2006
    Publication date: July 1, 2010
    Applicants: Chugai Seiyaku Kabushiki Kaisha, The University of Tokyo
    Inventors: Sawako Ozawa, Nobuhiro Oikawa, Eisaku Mizuguchi, Hirosato Ebiike, Fumio Watanabe, Kenji Morikami, Nobuo Shimma, Nobuya Ishii, Toshiyuki Tsukaguchi, Yasuhiro Tamaki, Hidenori Takahashi
  • Publication number: 20100069629
    Abstract: A drug is provided that is useful as a preventive or therapeutic for cancer as a result of having superior PI3K inhibitory effects as well as superior stability in the body and water-solubility. A compound, or pharmaceutically acceptable salt thereof, represented by formula (I): [wherein, X represents a single bond, etc.; Y represents a single bond, etc. (provided that X and Y are not simultaneously single bonds); Z represents a hydrogen atom, etc.; m represents an integer of 1 or 2; and R1 represents a cyclic substituent].
    Type: Application
    Filed: August 7, 2007
    Publication date: March 18, 2010
    Inventors: Nobuo Shimma, Hirosato Ebiike, Jun Ohwada, Hatsuo Kawada, Kenji Morikami, Mitsuaki Nakamura, Miyuki Yoshida, Nobuya Ishii, Masami Hasegawa, Shun Yamamoto, Kohei Koyama
  • Patent number: 6376491
    Abstract: The present invention is directed to new bicyclic compounds of the formula [I], and pharmaceutically acceptable salts thereof wherein R1, R2, R3, R4, R5, R6, R7, Q1 Q2 and Q3 are as defined in the claims. The compounds have N-myristoyltransferase inhibitory and antifungal activity.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: April 23, 2002
    Assignee: Basilea Pharmaceutica AG
    Inventors: Yuhko Aoki, Hirosato Ebiike, Toshihiko Fujii, Kenichi Kawasaki, Pingli Liu, Miyako Masubuchi, Tatsuo Ohtsuka, Shinji Tsujii