Patents by Inventor Kiyoshi Oketani

Kiyoshi Oketani 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: 11052150
    Abstract: It is an object of the present invention to provide a pharmaceutical composition comprising an anti-fractalkine antibody that provides therapeutically effective improvement to Crohn's disease, after the administration thereof to a human subject, and a method for treating Crohn's disease. Provided is a pharmaceutical composition for treating Crohn's disease. The present pharmaceutical composition comprises an anti-fractalkine antibody and a pharmaceutically acceptable excipient, and is used, such that the anti-fractalkine antibody is intravenously administered to a human at a dose of at least 10 mg/kg of human body weight in a method for treating Crohn's disease.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: July 6, 2021
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Nobuyuki Yasuda, Kiyoshi Oketani, Hiroko Baba, Tomohisa Nakano, Masahiko Mori
  • Publication number: 20180303933
    Abstract: It is an object of the present invention to provide a pharmaceutical composition comprising an anti-fractalkine antibody that provides therapeutically effective improvement to Crohn's disease, after the administration thereof to a human subject, and a method for treating Crohn's disease. Provided is a pharmaceutical composition for treating Crohn's disease. The present pharmaceutical composition comprises an anti-fractalkine antibody and a pharmaceutically acceptable excipient, and is used, such that the anti-fractalkine antibody is intravenously administered to a human at a dose of at least 10 mg/kg of human body weight in a method for treating Crohn's disease.
    Type: Application
    Filed: April 12, 2018
    Publication date: October 25, 2018
    Inventors: Nobuyuki Yasuda, Kiyoshi Oketani, Hiroko Baba, Tomohisa Nakano, Masahiko Mori
  • Patent number: 7781452
    Abstract: A compound represented by the following general formula (1), or a salt or hydrate thereof: [Formula 1] wherein R1 represents a C1-C6 alkyl group or C2-C6 alkynyl group which may be substituted, or a phenyl group which may be substituted, R2 represents a hydrogen atom or a C1-C6 alkyl group, R3 represents methyl or ethyl group, R4 represents a C1-C6 alkyl group, R5 represents a hydrogen atom, provided that a compound wherein R1 is a C1-C6 alkyl group unsubstituted or substituted with a halogen atom and R2 is a hydrogen atom is excluded.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: August 24, 2010
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Shuhei Miyazawa, Hitoshi Harada, Hideaki Fujisaki, Atsuhiko Kubota, Kotaro Kodama, Junichi Nagakawa, Kiyoshi Oketani, Nobuhisa Watanabe
  • Publication number: 20060167041
    Abstract: A compound represented by the following general formula (1), or a salt or hydrate thereof: [Formula 1] wherein R1 represents a C1-C6 alkyl group or C2-C6 alkynyl group which may be substituted, or a phenyl group which may be substituted, R2 represents a hydrogen atom or a C1-C6 alkyl group, R3 represents methyl or ethyl group, R4 represents a C1-C6 alkyl group, R5 represents a hydrogen atom, provided that a compound wherein R1 is a C1-C6 alkyl group unsubstituted or substituted with a halogen atom and R2 is a hydrogen atom is excluded.
    Type: Application
    Filed: March 22, 2006
    Publication date: July 27, 2006
    Inventors: Shuhei Miyazawa, Hitoshi Harada, Hideaki Fujisaki, Atsuhiko Kubota, Kotaro Kodama, Junichi Nagakawa, Kiyoshi Oketani, Nobuhisa Watanabe
  • Publication number: 20050272764
    Abstract: A compound represented by the following general formula (1), or a salt or hydrate thereof: wherein R1 represents a C1-C6 alkyl group or C2-C6 alkynyl group which may be substituted, or a phenyl group which may be substituted, R2 represents a hydrogen atom or a C1-C6 alkyl group, R3 represents methyl or ethyl group, R4 represents a C1-C6 alkyl group, R5 represents a hydrogen atom, provided that a compound wherein R1 is a C1-C6 alkyl group unsubstituted or substituted with a halogen atom and R2 is a hydrogen atom is excluded.
    Type: Application
    Filed: April 21, 2005
    Publication date: December 8, 2005
    Inventors: Shuhei Miyazawa, Hitoshi Harada, Hideaki Fujisaki, Atsuhiko Kubota, Kotaro Kodama, Junichi Nagakawa, Kiyoshi Oketani, Nobuhisa Watanabe
  • Patent number: 5998445
    Abstract: Pyridine derivatives useful for preventing or treating peptic ulcers, pharmaceutical preparations and methods of treating peptic ulcers are described.
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: December 7, 1999
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeru Souda, Norihiro Ueda, Shuhei Miyazawa, Katsuya Tagami, Seiichiro Nomoto, Makoto Okita, Naoyuki Shimomura, Toshihiko Kaneko, Masatoshi Fujimoto, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki, Hisashi Shibata, Tsuneo Wakabayashi
  • Patent number: 5840910
    Abstract: Pyridine derivatives useful for preventing or treating peptic ulcers, pharmaceutical preparations and methods of treating peptic ulcers are disclosed.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: November 24, 1998
    Assignee: Esai Co., Ltd.
    Inventors: Shigeru Souda, Norihiro Ueda, Shuhei Miyazawa, Katsuya Tagami, Seiichiro Nomoto, Makoto Okita, Naoyuki Shimomura, Toshihiko Kaneko, Masatoshi Fujimoto, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki, Hisashi Shibata, Tsuneo Wakabayashi
  • Patent number: 5708013
    Abstract: A pyridine compound having the formula is disclosed and useful to treat the peptic ulcer. ##STR1## wherein R.sup.1 and R.sup.2 which may be the same or different are each a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogenated lower alkyl group, or a halogen atom, R.sup.3 and R.sup.4 which may be the same or different are each a hydrogen atom or a lower alkyl group, X is a group represented by the formula --S--, a group represented by the formula ##STR2## or a group represented by the formula ##STR3## and n is an integer of 1 to 6, provided that R.sup.3 and R.sup.4 are not simultaneously hydrogen atoms when n is 1.
    Type: Grant
    Filed: August 21, 1995
    Date of Patent: January 13, 1998
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeru Souda, Norihiro Ueda, Shuhei Miyazawa, Katsuya Tagami, Seiichiro Nomoto, Makoto Okita, Naoyuki Shimomura, Toshihiko Kaneko, Masatoshi Fujimoto, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki, Hisashi Shibata, Tsuneo Wakabayashi
  • Patent number: 5635519
    Abstract: A benzothiazole derivative or a pharmacologically acceptable salt thereof of the following formula, as defined in the claims, which is useful as a preventive or therapeutic agent for diseases on which functions of suppressing leukotrienes and thromboxanes production are effective: ##STR1##
    Type: Grant
    Filed: February 15, 1995
    Date of Patent: June 3, 1997
    Assignee: Eisai Co., Ltd.
    Inventors: Yasushi Okamoto, Katsuya Tagami, Shigeki Hibi, Hirotoshi Numata, Naoki Kobayashi, Masanobu Shinoda, Tetsuya Kawahara, Manabu Murakami, Kiyoshi Oketani, Takashi Inoue, Takashi Yamanaka, Isao Yamatsu
  • Patent number: 5420144
    Abstract: A benzothiazole derivative or a pharmacologically acceptable salt thereof which is useful as a preventive or therapeutic agent for diseases on which functions of suppressing leukotrienes and thromboxanes production are effective.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: May 30, 1995
    Assignee: Eisai Co., Ltd.
    Inventors: Yasushi Okamoto, Katsuya Tagami, Shigeki Hibi, Hirotoshi Numata, Naoki Kobayashi, Masanobu Shinoda, Tetsuya Kawahara, Manabu Murakami, Kiyoshi Oketani, Takashi Inoue, Takashi Yamanaka, Isao Yamatsu
  • Patent number: 5300518
    Abstract: A benzothiazole derivative or a pharmacologically acceptable salt thereof which is useful as a preventive or therapeutic agent for diseases on which functions of suppressing leukotrienes and thromboxanes production are effective.A benzothiazole derivative represented by the following general formula (I): ##STR1## wherein R.sup.1 and R.sup.3 are either the same or different and represents a hydrogen atom, a lower alkyl group or a lower alkoxy group; R.sup.4 represents a group represented by the formula --(CH.sub.x)--.sub.q wherein q is a integer of from 1 to 4;R.sup.2 represents a hydrogen atom and;R.sup.5 and R.sup.6 are the same or different and each represent a hydrogen atom or a lower alkyl group; or a pharmacologically acceptable salt thereof.
    Type: Grant
    Filed: March 31, 1992
    Date of Patent: April 5, 1994
    Assignee: Eisai Co., Ltd.
    Inventors: Yasushi Okamoto, Katsuya Tagami, Shigeki Hibi, Hirotoshi Numata, Naoki Kobayashi, Masanobu Shinoda, Tetsuya Kawahara, Manabu Murakami, Kiyoshi Oketani, Takashi Inoue, Takashi Yamanaka, Isao Yamatsu
  • Patent number: 5239079
    Abstract: A pyridinium salt is useful as an antiulcer and is defined by the following formula. It includes a sulphenamide compound and a pyridinium compound. J is benzoimidazole, K is --S-- or --SSR, Z is hydroxy or oxyalkyl.
    Type: Grant
    Filed: August 13, 1992
    Date of Patent: August 24, 1993
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeru Souda, Shuhei Miyazawa, Norihiro Ueda, Katsuya Tagami, Seiichiro Nomoto, Makoto Okita, Naoyuki Shimomura, Toshihiko Kaneko, Masatoshi Fujimoto, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki, Hisashi Shibata, Tsuneo Wakabayashi
  • Patent number: 5162317
    Abstract: A pyridinium salt useful as an antiulcer agent, defined by formula (I) is disclosed. It includes a sulphenamide compound and a pyridinium compound. J is benzimidazole, K is --S-- or --SSR-- and Z is hydroxy or alkoxy.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: November 10, 1992
    Assignee: Esai Co., Ltd.
    Inventors: Shigeru Souda, Shuhei Miyazawa, Norihiro Ueda, Katsuya Tagami, Seiichiro Nomoto, Makoto Okita, Naoyuki Shimomura, Toshihiko Kaneko, Masatoshi Fujimoto, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki, Hisashi Shibata, Tsuneo Wakabayashi
  • Patent number: 5045552
    Abstract: Pyridine derivatives useful for preventing or treating peptic ulcers, pharmaceutical preparations and methods of treating peptic ulcers are described.
    Type: Grant
    Filed: December 28, 1989
    Date of Patent: September 3, 1991
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeru Souda, Norihiro Ueda, Shuhei Miyazawa, Katsuya Tagami, Seiichiro Nomoto, Makoto Okita, Naoyuki Shimomura, Toshihiko Kaneko, Masatoshi Fujimoto, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki, Hisashi Shibata, Tsuneo Wakabayashi
  • Patent number: 4888439
    Abstract: A novel polyprenyl compound is identified with the formula and useful for a pharmaceutical drag. ##STR1## wherein X represents a group of the formula: ##STR2## (wherein R.sup.1 and R.sup.2, which may be the same or different, represent each a hydrogen atom, a lower alkyl group, a hydroxyalkyl group, or a lower alkenyl group); a group of the formula: ##STR3## (wherein A including the nitrogen atom shown represents a ring containing nitrogen and oxygen atoms); or a group of the formula: ##STR4## (wherein R.sup.3 represents a hydrogen atom or a lower alkyl group, and R.sup.4 represents a lower alkyl group); Y represents a group of the formula: ##STR5## or a group of the formula: ##STR6## (wherein R.sup.5 represents a hydrogen atom or a lower alkyl group), and n represents an integer of from 2 to 5.
    Type: Grant
    Filed: May 1, 1985
    Date of Patent: December 19, 1989
    Assignee: Eisai Co., Ltd.
    Inventors: Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Akiharu Kajiwara, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki
  • Patent number: 4782151
    Abstract: A novel polyprenyl compound is identified with the formula and useful for a pharmaceutical drag. ##STR1## wherein X represents a group of the formula: ##STR2## (wherein R.sup.1 and R.sup.2, which may be the same or differnt, represent each a hydrogen atom, a lower alkyl group, a hydroxyalkyl group, or a lower alkenyl group); a group of the formula: ##STR3## (wherein A including the nitrogen atom shown represents a ring containing nitrogen and oxygen atoms); or a group of the formula: ##STR4## (wherein R.sup.3 represents a hydrogen atom or a lower alkyl group, and R.sup.4 represents a lower alkyl group); Y represents a group of the formula: ##STR5## or a group of the formula: ##STR6## (wherein R.sup.5 represents a hydrogen atom or a lower alkyl group), and n represents an integer of from 2 to 5.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: November 1, 1988
    Assignee: Eisai Co., Ltd.
    Inventors: Isao Yamatsu, Takeshi Suzuki, Shinya Abe, Kouji Nakamoto, Akiharu Kajiwara, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki
  • Patent number: 4382151
    Abstract: 6,10,14,18-Tetramethyl-5,9,13,17-nonadecatetraene-2-ols of the general formula: ##STR1##
    Type: Grant
    Filed: August 27, 1981
    Date of Patent: May 3, 1983
    Assignee: Eisai Co., Ltd.
    Inventors: Isao Yamatsu, Yuichi Inai, Shinya Abe, Takeshi Suzuki, Toshiharu Ohgoh, Manabu Murakami, Kiyoshi Oketani, Hideaki Fujisaki