Patents by Inventor Fumie Takahashi

Fumie Takahashi 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: 11932021
    Abstract: A recording apparatus includes a tank including a chamber configured to store liquid to be supplied to a recording head that ejects the liquid and a filling port from which the liquid is injected into the chamber, and an injection auxiliary member configured to assist injecting of the liquid into the chamber from the filling port, the injection auxiliary member including a first and a second flow channels each defined by a first or a second upper end portion that opens toward outside of the tank and a first or a second lower end portion that opens toward inside of the tank, wherein the second flow channel has an expansion portion arranged in a middle portion between the second upper end portion and the second lower end portion and configured to form a step to expand a cross-sectional area.
    Type: Grant
    Filed: December 20, 2022
    Date of Patent: March 19, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusuke Naratani, Koya Iwakura, Hideaki Matsumura, Tetsu Hamano, Nobuhiro Toki, Daiju Takeda, Fumie Kameyama, Koki Shimada, Shota Asada, Ken Takenaga, Yusuke Tanaka, Yuta Araki, Taiji Maruyama, Atsushi Matsuyama, Kousuke Tanaka, Toshimitsu Takahashi, Nanae Uchinuno
  • Patent number: 8912180
    Abstract: Provided is a novel compound which is an agent for treating rejection reactions in various organ transplantations, allergy diseases, autoimmune diseases, and hematologic tumor, and based on a PI3K? selective inhibitory action and/or an IL-2 production inhibitory action and/or a B cell proliferation inhibitory action (including an activation inhibitory action). The provided compound has a PI3K? selective inhibitory action, an IL-2 production inhibitory action, and/or a B cell proliferation inhibitory action, including an activation inhibitory action.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: December 16, 2014
    Assignee: Astellas Pharma Inc.
    Inventors: Fumie Takahashi, Sunao Imada, Toru Asano, Yoshihiro Kozuki, Junko Maeda, Koji Kato, Hidehiko Fukahori, Masahiko Shiwaku
  • Publication number: 20120165309
    Abstract: [Object] A novel and excellent method for preventing or treating rejection in the transplantation of various organs, allergy diseases, autoimmune diseases, hematologic tumor, or the like, based on a PI3K?-selective inhibitory action and/or an IL-2 production inhibitory action, and/or a B cell proliferation inhibitory action (including an activation inhibitory action), is provided [Means for Solution] It was found that a 3-substituted triazine or 3-substituted pyrimidine derivative exhibits a PI3K?-selective inhibitory action, and/or an IL-2 production inhibitory action, and/or a B cell proliferation inhibitory action (including an activation inhibitory action), and can be an agent for preventing or treating rejection in the transplantation of various organs, allergy diseases (asthma, atopic dermatitis, etc.), autoimmune diseases (rheumatoid arthritis, psoriasis, ulcerative colitis, Crohn's disease, systemic lupus erythematosus, etc.), hematologic tumor (leukemia etc.
    Type: Application
    Filed: February 10, 2010
    Publication date: June 28, 2012
    Applicant: Astellas Pharma Inc.
    Inventors: Fumie Takahashi, Sunao Imada, Masahiko Shiwaku, Yasumasa Shiwaku, Atsuko Shiwaku, Koji Kato, Hidehiko Fukahori
  • Patent number: 8163767
    Abstract: The invention relates to compound of the formula (I) or its salt, wherein —R1, —R2, —R3, —R4, —R5, -M-, —X— and —Y? are as defined in the description, their use of as, medicament, the process for their preparation and use for the treatment of JAK3 mediated diseases.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: April 24, 2012
    Assignee: Astellas Pharma Inc.
    Inventors: Takayuki Inoue, Takashi Tojo, Masataka Morita, Yutaka Nakajima, Keiko Hatanaka, Shohei Shirakami, Hiroshi Sasaki, Akira Tanaka, Fumie Takahashi, Koichiro Mukoyoshi, Yasuyuki Higashi, Akira Okimoto, Takeshi Hondo, Hitoshi Sawada
  • Publication number: 20110230467
    Abstract: [Problem] The present invention provides a 4,6-diaminonicotinamide compound which is useful as an active ingredient of a pharmaceutical composition, in particular, a pharmaceutical composition for treating diseases caused by undesirable and/or abnormal cytokine signal transduction. [Means for Solution] The present inventors have extensively studied compounds having a JAK3 inhibitory action, and as a result, they have found that a 4,6-diaminonicotinamide compound which is the compound of the present invention has an excellent JAK3 inhibitory action and is useful as an agent for preventing or treating diseases caused by undesirable and/or abnormal cytokine signal transduction, thereby completing the present invention.
    Type: Application
    Filed: November 20, 2009
    Publication date: September 22, 2011
    Applicant: Astellas Pharma Inc.
    Inventors: Shohei Shirakami, Fumie Takahashi, Yutaka Nakajima, Hirofumi Omura, Naohiro Aoyama, Hiroshi Sasaki, Takeshi Hondo, Hiroaki Tominaga
  • Publication number: 20110039822
    Abstract: The present invention provides a compound having an excellent JAK3 inhibition activity and being useful as an active ingredient of an agent for treating and/or preventing various immune diseases including autoimmune diseases, inflammatory diseases, and allergic diseases. As a result of studies on a novel condensed heterocyclic derivative, the inventors have found that a compound having a cross-linked structure has an excellent JAK3 inhibition activity, and have completed the present invention. In other words, it is verified that the compound according to the present invention has an inhibition activity against JAK3 and is thus useful as an active ingredient of an agent for treating or preventing diseases caused by undesirable cytokine signal transmission (e.g.
    Type: Application
    Filed: October 28, 2010
    Publication date: February 17, 2011
    Applicant: Astellas Pharma Inc.
    Inventors: Takayuki INOUE, Akira Tanaka, Kazuo Nakai, Hiroshi Sasaki, Fumie Takahashi, Shohei Shirakami, Keiko Hatanaka, Yutaka Nakajima, Koichiro Mukoyoshi, Hisao Hamaguchi, Shigeki Kunikawa, Yasuyuki Higashi
  • Patent number: 7879844
    Abstract: The present invention provides a compound of formula (I) having an excellent JAK3 inhibition activity and being useful as an active ingredient of an agent for treating and/or preventing various immune diseases including autoimmune diseases inflammatory diseases, and allergic diseases. The compound according to the present invention has an inhibition activity against JAK3 and is thus useful as an active ingredient of an agent for treating or preventing diseases caused by undesirable cytokine signal transmission (e.g., rejection during organ/tissue transplantation, autoimmune diseases, multiple sclerosis, rheumatoid arthritis, psoriasis, asthma, atopic dermatitis, Alzheimer's disease, and atherosclerotic disease), or diseases caused by abnormal cytokine signal transmission (e.g., cancer and leukemia).
    Type: Grant
    Filed: December 25, 2006
    Date of Patent: February 1, 2011
    Assignee: Astellas Pharma Inc.
    Inventors: Takayuki Inoue, Akira Tanaka, Kazuo Nakai, Hiroshi Sasaki, Fumie Takahashi, Shohei Shirakami, Keiko Hatanaka, Yutaka Nakajima, Koichiro Mukoyoshi, Hisao Hamaguchi, Shigeki Kunikawa, Yasuyuki Higashi
  • Publication number: 20100216798
    Abstract: There is provided fused heterocycles of imidazopyridazine or pyrazolopyrimidine derivative represented by the formula (I), which have excellent Lck inhibitory activity and are useful for a medicament particularly an immunosuppressive agent. [wherein one of Y and Z is C atom, and the other is N atom; —X— is —N(R1)— or the like, —R1 represents hydrogen or the like, -A- represents bond or the like, —R2 is cycloalkyl, aryl or the like, -E- is bond or the like, —R3 is aryl, aromatic heterocycle or the like, —R4, —R5 and —R6 are the same or different, each being hydrogen or the like.
    Type: Application
    Filed: July 27, 2006
    Publication date: August 26, 2010
    Applicant: ASTELLAS PHARMA INC
    Inventors: Kazuo Nakai, Fumie Takahashi, Kazuya Fujita, Yoshihiro Kozuki, Koichiro Mukoyoshi, Masamichi Inami, Norio Asai
  • Publication number: 20090270376
    Abstract: The present invention provides a compound of formula (I) having an excellent JAK3 inhibition activity and being useful as an active ingredient of an agent for treating and/or preventing various immune diseases including autoimmune diseases inflammatory diseases, and allergic diseases. The compound according to the present invention has an inhibition activity against JAK3 and is thus useful as an active ingredient of an agent for treating or preventing diseases caused by undesirable cytokine signal transmission (e.g., rejection during organ/tissue transplantation, autoimmune diseases, multiple sclerosis, rheumatoid arthritis, psoriasis, asthma, atopic dermatitis, Alzheimer's disease, and atherosclerotic disease), or diseases caused by abnormal cytokine signal transmission (e.g., cancer and leukemia).
    Type: Application
    Filed: December 25, 2006
    Publication date: October 29, 2009
    Applicant: Astellas Pharma Inc.
    Inventors: Takayuki Inoue, Akira Tanaka, Kazuo Nakai, Hiroshi Sasaki, Fumie Takahashi, Shohei Shirakami, Keiko Hatanaka, Yutaka Nakajima, Koichiro Mukoyoshi, Hisao Hamaguchi, Shigeki Kunikawa, Yasuyuki Higashi
  • Publication number: 20090264399
    Abstract: The invention relates to compound of the formula (I) or its salt, wherein —R1, —R2, —R3, —R4, —R5, -M-, —X— and —Y? are as defined in the description, their use of as, medicament, the process for their preparation and use for the treatment of JAK3 mediated diseases.
    Type: Application
    Filed: July 13, 2006
    Publication date: October 22, 2009
    Applicant: Astellas Pharma Inc.
    Inventors: Takayuki Inoue, Takashi Tojo, Masataka Morita, Yutaka Nakajima, Keiko Hatanaka, Shohei Shirakami, Hiroshi Sasaki, Akira Tanaka, Fumie Takahashi, Koichiro Mukoyoshi, Yasuyuki Higashi, Akira Okimoto, Takeshi Hondo, Hitoshi Sawada
  • Publication number: 20070043084
    Abstract: A compound of the formula (1): wherein R1 is cyano, and the like; R2 is hydroxy, and the like; R3 is (lower)alkoxy, and the like; X and Y are each CH or N; or pharmaceutically acceptable salts thereof, which are useful as a medicament.
    Type: Application
    Filed: April 26, 2004
    Publication date: February 22, 2007
    Applicant: Astellas Pharma Inc.
    Inventors: Fumie Takahashi, Tadashi Terasaka, Masataka Morita, Nobukiyo Konishi, Katsuya Nakamura
  • Publication number: 20040266774
    Abstract: The present invention is a compound and pharmaceutical composition comprising a compound of formula (I): 1
    Type: Application
    Filed: June 14, 2004
    Publication date: December 30, 2004
    Applicant: FUJISAWA PHARMACEUTICAL CO., LTD.
    Inventors: Kiyotaka Ito, Glen W. Spears, Fumie Takahashi, Akira Yamada, Masaki Tomishima, Hiroshi Miyake
  • Patent number: 6770667
    Abstract: The present invention is a compound and pharmaceutical composition comprising a compound of formula (I): wherein R1 is a 4-(lower) alkyl-imidazol-1-yl or a 4,5-di(lower) alkyl-imidazol-1-yl group, R2 is a hydrogen atom or a lower alkyl group, and R3 is a fluorenyl group. The compound of formula (I) includes pharmaceutically acceptable salts: The compound of formula (I) and salts thereof have 5-HT antagonism activity.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: August 3, 2004
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kiyotaka Ito, Glen W. Spears, Fumie Takahashi, Akira Yamada, Masaki Tomishima, Hiroshi Miyake
  • Patent number: 6384028
    Abstract: &bgr;-alanine compounds or a pharmaceutically acceptable salt thereof, which is useful as a glycoprotein IIB/IIIa antagonist, inhibitor of blood platelet aggregation and inhibitor of the binding of fibrinogen to blood platelet; a composition containing the same, a process for the preparation of the compound, and a process for the treatment of diseases caused by thrombus formation, for example, are provided.
    Type: Grant
    Filed: September 10, 1997
    Date of Patent: May 7, 2002
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Mitsuru Ohkubo, Fumie Takahashi, Toshio Yamanaka, Masayuki Kato
  • Patent number: 6380215
    Abstract: This invention relates to &bgr;-alanine derivatives represented by the following formula: wherein each symbol is as defined in the specification and pharmaceutically acceptable salt thereof which is glycoprotein IIb/IIIa antagonist, inhibitor of blood platelets aggregation and inhibitor of the binding of fibrinogen to blood platelets, to processes for the preparation thereof, to a pharmaceutical composition comprising the same and to a method for the prevention and/or treatment diseases indicated in the specification to a human being or an animal.
    Type: Grant
    Filed: August 4, 1995
    Date of Patent: April 30, 2002
    Assignee: Fujisawa Pharmaceutical Co., Ltd
    Inventors: Mitsuru Ohkubo, Fumie Takahashi, Toshio Yamanaka, Hiroyoshi Sakai, Masayuki Kato
  • Publication number: 20010051730
    Abstract: This invention relates to &bgr;-alanine derivatives represented by the following formula: 1
    Type: Application
    Filed: May 29, 2001
    Publication date: December 13, 2001
    Applicant: FUJISAWA PHARMACEUTICAL CO., LTD.
    Inventors: Mitsuru Ohkubo, Fumie Takahashi, Toshio Yamanaka, Hiroyoshi Sakai, Masayuki Kato
  • Publication number: 20010016571
    Abstract: This invention relates to &bgr;-alanine derivative represented by the following formula (I); 1
    Type: Application
    Filed: March 15, 2001
    Publication date: August 23, 2001
    Applicant: FUJISAWA PHARMACEUTICAL CO., LTD.
    Inventors: Mitsuru Ohkubo, Fumie Takahashi, Toshio Yamanaka, Masayuki Kato