Patents by Inventor Hiroshi Tomiyama

Hiroshi Tomiyama 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: 20240101532
    Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and confirmed that a heteroaryl carboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The heteroaryl carboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 28, 2024
    Inventors: Hideyuki Watanabe, Takashi Kamikubo, Akio Kamikawa, Takuya Washio, Yohei Seki, Keiichiro Okuyama, Osamu Ikeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
  • Publication number: 20240043403
    Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and confirmed that a heteroaryl carboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The heteroaryl carboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer resistant to anti-PD-1 antibody/anti-PD-L1 antibody therapy.
    Type: Application
    Filed: November 29, 2021
    Publication date: February 8, 2024
    Inventors: Hideyuki Watanabe, Takashi Kamikubo, Akio Kamikawa, Takuya Washio, Yohei Seki, Keiichiro Okuyama, Osamu Ikeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
  • Publication number: 20220315603
    Abstract: A compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy is provided. The present inventors have conducted studies on a compound useful as an active ingredient of a pharmaceutical composition for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy, and found that a pyridazinyl-thiazolecarboxamide compound has DGK ? (DGKzeta) inhibitory effect, leading to completion of the present invention. The pyridazinyl-thiazolecarboxamide compound of the present invention has DGK ? inhibitory effect, and can be used as a therapeutic agent for treatment of cancer related to activation of immune cells or cancer having resistance to anti-PD-1 antibody/anti-PD-L1 antibody therapy.
    Type: Application
    Filed: December 24, 2020
    Publication date: October 6, 2022
    Inventors: Hideyuki Watanabe, Yohei Seki, Keiichiro Okuyama, Kazuo Kurosawa, Osamu lkeda, Hiroshi Tomiyama, Yoshinori Iwai, Akihiko Nakamura, Kozo Miyasaka
  • Publication number: 20170152232
    Abstract: As a result of studies on compounds having FGFR inhibitory action, the present inventors have found that the nitrogen-containing aromatic heterocyclic compounds of the present invention have inhibitory action on FGFR1, FGFR2, and/or FGFR3, particularly, mutant FGFR3, and thus, the present invention has been accomplished. The nitrogen-containing aromatic heterocyclic compound of the present invention can be used as a therapeutic agent for various cancers related to FGFR1, FGFR2, and/or FGFR3, such as lung cancer and hormone therapy-resistant breast cancer, stomach cancer, triple negative breast cancer, endometrial cancer, bladder cancer, and glioblastoma, particularly as a prophylactic and/or therapeutic agent for mutant FGFR3-positive bladder cancer.
    Type: Application
    Filed: September 27, 2016
    Publication date: June 1, 2017
    Applicants: Astellas Pharma Inc., Kotobuki Pharmaceutical Co., Ltd.
    Inventors: Minoru KAMEDA, Ikumi KURIWAKI, Kazuhiko IIKUBO, Hiroyuki HISAMICHI, Yuichiro KAWAMOTO, Hiroyuki MORITOMO, Tomoyuki SUZUKI, Takashi FUTAMI, Atsushi SUZUKI, Kazuhisa TSUNOYAMA, Makoto ASAUMI, Hiroshi TOMIYAMA, Atsushi NODA, Yoshinori IWAI, Kazuo TOKUZAKI, Haruki OKADA, Kozo MIYASAKA
  • Patent number: 9487491
    Abstract: Provided is a compound useful as an inhibitor against the kinase activity of EML4-ALK fusion protein. As a result of intensive and extensive studies on compounds having inhibitory activity against the kinase activity of EML4-ALK fusion protein, the present inventors found that the diamino heterocyclic carboxamide compounds of the present invention had inhibitory activity against the kinase activity of EML4-ALK fusion protein. By this finding, the present invention was completed. The compounds of the present invention can be used as a pharmaceutical composition for preventing and/or treating cancer, such as lung cancer, non-small cell lung cancer, and small cell lung cancer.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: November 8, 2016
    Assignees: ASTELLAS PHARMA INC., KOTOBUKI PHARMACEUTICAL CO., LTD.
    Inventors: Itsuro Shimada, Kazuo Kurosawa, Takahiro Matsuya, Kazuhiko Iikubo, Yutaka Kondoh, Akio Kamikawa, Hiroshi Tomiyama, Yoshinori Iwai
  • Patent number: 9464077
    Abstract: Provided is a compound useful as a prophylactic and/or therapeutic agent for bladder cancer. As a result of studies on compounds having FGFR inhibitory action, the present inventors have found that the nitrogen-containing aromatic heterocyclic compounds of the present invention have inhibitory action on FGFR1, FGFR2, and/or FGFR3, particularly, mutant FGFR3, and thus, the present invention has been accomplished. The nitrogen-containing aromatic heterocyclic compound of the present invention can be used as a therapeutic agent for various cancers related to FGFR1, FGFR2, and/or FGFR3, such as lung cancer and hormone therapy-resistant breast cancer, stomach cancer, triple negative breast cancer, endometrial cancer, bladder cancer, and glioblastoma, particularly as a prophylactic and/or therapeutic agent for mutant FGFR3-positive bladder cancer.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: October 11, 2016
    Assignees: Astellas Pharma Inc., KOTOBUKI PHARMACEUTICAL CO., LTD.
    Inventors: Minoru Kameda, Ikumi Kuriwaki, Kazuhiko Iikubo, Hiroyuki Hisamichi, Yuichiro Kawamoto, Hiroyuki Moritomo, Tomoyuki Suzuki, Takashi Futami, Atsushi Suzuki, Kazuhisa Tsunoyama, Makoto Asaumi, Hiroshi Tomiyama, Atsushi Noda, Yoshinori Iwai, Kazuo Tokuzaki, Haruki Okada, Kozo Miyasaka
  • Patent number: 8969336
    Abstract: Provided is a compound useful as an inhibitor against the kinase activity of EML4-ALK fusion protein. As a result of intensive and extensive studies on compounds having inhibitory activity against the kinase activity of EML4-ALK fusion protein, the present inventors found that the diamino heterocyclic carboxamide compounds of the present invention had inhibitory activity against the kinase activity of EML4-ALK fusion protein. By this finding, the present invention was completed. The compounds of the present invention can be used as a pharmaceutical composition for preventing and/or treating cancer, such as lung cancer, non-small cell lung cancer, and small cell lung cancer.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: March 3, 2015
    Assignees: Astellas Pharma Inc., Kotobuki Pharmaceutical Co., Ltd.
    Inventors: Itsuro Shimada, Kazuo Kurosawa, Takahiro Matsuya, Kazuhiko Iikubo, Yutaka Kondoh, Akio Kamikawa, Hiroshi Tomiyama, Yoshinori Iwai
  • Publication number: 20140371196
    Abstract: Provided is a compound useful as an inhibitor against the kinase activity of EML4-ALK fusion protein. As a result of intensive and extensive studies on compounds having inhibitory activity against the kinase activity of EML4-ALK fusion protein, the present inventors found that the diamino heterocyclic carboxamide compounds of the present invention had inhibitory activity against the kinase activity of EML4-ALK fusion protein. By this finding, the present invention was completed. The compounds of the present invention can be used as a pharmaceutical composition for preventing and/or treating cancer, such as lung cancer, non-small cell lung cancer, and small cell lung cancer.
    Type: Application
    Filed: August 29, 2014
    Publication date: December 18, 2014
    Applicants: ASTELLAS PHARMA INC., KOTOBUKI PHARMACEUTICAL CO., LTD.
    Inventors: Itsuro SHIMADA, Kazuo KUROSAWA, Takahiro MATSUYA, Kazuhiko IIKUBO, Yutaka KONDOH, Akio KAMIKAWA, Hiroshi TOMIYAMA, Yoshinori IWAI
  • Publication number: 20140142084
    Abstract: Provided is a compound useful as a prophylactic and/or therapeutic agent for bladder cancer. As a result of studies on compounds having FGFR inhibitory action, the present inventors have found that the nitrogen-containing aromatic heterocyclic compounds of the present invention have inhibitory action on FGFR1, FGFR2, and/or FGFR3, particularly, mutant FGFR3, and thus, the present invention has been accomplished. The nitrogen-containing aromatic heterocyclic compound of the present invention can be used as a therapeutic agent for various cancers related to FGFR1, FGFR2, and/or FGFR3, such as lung cancer and hormone therapy-resistant breast cancer, stomach cancer, triple negative breast cancer, endometrial cancer, bladder cancer, and glioblastoma, particularly as a prophylactic and/or therapeutic agent for mutant FGFR3-positive bladder cancer.
    Type: Application
    Filed: February 26, 2013
    Publication date: May 22, 2014
    Applicants: KOTOBUKI PHARMACEUTICAL CO., LTD., Astellas Pharma Inc.
    Inventors: Minoru Kameda, Ikumi Kuriwaki, Kazuhiko Iikubo, Hiroyuki Hisamichi, Yuichiro Kawamoto, Hiroyuki Moritomo, Tomoyuki Suzuki, Takashi Futami, Atsushi Suzuki, Kazuhisa Tsunoyama, Makoto Asaumi, Hiroshi Tomiyama, Atsushi Noda, Yoshinori Iwai, Kazuo Tokuzaki, Haruki Okada, Kozo Miyasaka
  • Patent number: 8358549
    Abstract: A semiconductor memory device includes: a plurality of RAM macros; and a test control circuit configured to correlate the plurality of RAM macros with a plurality of memory test execution periods. The test control circuit outputs control signals to the plurality of RAM macros such that one RAM macro of the plurality of RAM macros is tested during one memory test execution period of the plurality of memory test execution periods, the one RAM macro being correlated with the one memory test execution period.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: January 22, 2013
    Assignee: Renesas Electronics Corporation
    Inventor: Hiroshi Tomiyama
  • Publication number: 20120040968
    Abstract: Provided is a compound useful as an inhibitor against the kinase activity of EML4-ALK fusion protein. As a result of intensive and extensive studies on compounds having inhibitory activity against the kinase activity of EML4-ALK fusion protein, the present inventors found that the diamino heterocyclic carboxamide compounds of the present invention had inhibitory activity against the kinase activity of EML4-ALK fusion protein. By this finding, the present invention was completed. The compounds of the present invention can be used as a pharmaceutical composition for preventing and/or treating cancer, such as lung cancer, non-small cell lung cancer, and small cell lung cancer.
    Type: Application
    Filed: May 6, 2010
    Publication date: February 16, 2012
    Applicant: Waters Technologies Corporation
    Inventors: Itsuro Shimada, Kazuo Kurosawa, Takahiro Matsuya, Kazuhiko Iikubo, Yutaka Kondoh, Akio Kamikawa, Hiroshi Tomiyama, Yoshinori Iwai
  • Patent number: 8044206
    Abstract: The invention provides a novel nitrogen-containing heterocyclic derivative having 2,6-disubstituted styryl and a pharmaceutically acceptable salt thereof, and a pharmaceutical composition comprising the nitrogen-containing heterocyclic derivative and a pharmaceutically acceptable salt thereof, in particular, a pharmaceutical composition effective as a sodium channel inhibitor, having an excellent analgesic action especially on neuropathic pain with minimized side effects.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: October 25, 2011
    Assignees: Astellas Pharma Inc., Kotobuki Pharmaceutical Co., Ltd.
    Inventors: Kazumi Kikuchi, Makoto Oku, Jiro Fujiyasu, Norio Asai, Toshihiro Watanabe, Yukinori Nagakura, Hiroshi Tomiyama, Motoharu Sonegawa, Kazuo Tokuzaki, Yoshinori Iwai
  • Publication number: 20110171192
    Abstract: A compound represented by following general formula (I): wherein, represents a single bond or a double bond; L represents —NH— or the like; X1 represents N or C, provided that in the case where X1 is N, X2 represents C—R and in the case where X1 is C, X2 represents N—R1 or the like; Y's may be either the same or different and represent CH2 or the like; A represents a non-natural sugar residue represented by following general formula: wherein, m represents 0 to 1; represents a single bond or a double bond; X represents O or the like; R3 to R8 may be either the same or different and represent hydroxy group or the like; and B represents a group represented by following general formula: wherein, n and k represent 0 to 5; represents a single bond or a double bond; Z1 to Z16 may be either the same or different and represent CH or the like; R10 and R11 may be either the same or different and represent a lower alkoxy group having 1 to 5 carbon atoms or the like; and R15 represents a hydrogen atom or th
    Type: Application
    Filed: August 27, 2009
    Publication date: July 14, 2011
    Inventors: Hiroshi Tomiyama, Kazuo Tokuzaki, Yoshinori Iwai
  • Patent number: 7977466
    Abstract: The present invention provides C-glycoside derivatives and salts thereof, wherein B ring is bonded to A ring via —X— and A ring is directly bonded to the glucose residue, and it is usable as a Na+-glucose cotransporter inhibitor, especially for a therapeutic and/or preventive agent for diabetes such as insulin-dependent diabetes (type 1 diabetes) and insulin-independent diabetes (type 2 diabetes), as well as diabetes related diseases such as an insulin-resistant diseases and obesity.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: July 12, 2011
    Assignees: Astellas Pharma Inc., Kotobuki Pharmaceutical Co., Ltd.
    Inventors: Masakazu Imamura, Takeshi Murakami, Ryota Shiraki, Kazuhiro Ikegai, Takashi Sugane, Fumiyoshi Iwasaki, Eiji Kurosaki, Hiroshi Tomiyama, Atsushi Noda, Kayoko Kitta, Yoshinori Kobayashi
  • Patent number: 7956182
    Abstract: This invention relates to a process for producing optically active alcohols using asymmetric reduction of aromatic ketones. This process gives optically active alcohols in high enantioselectivity in a large scale production.
    Type: Grant
    Filed: February 13, 2007
    Date of Patent: June 7, 2011
    Assignee: Kotobuki Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Tomiyama, Masayuki Yokota
  • Publication number: 20100313085
    Abstract: A semiconductor memory device includes: a plurality of RAM macros; and a test control circuit configured to correlate the plurality of RAM macros with a plurality of memory test execution periods. The test control circuit outputs control signals to the plurality of RAM macros such that one RAM macro of the plurality of RAM macros is tested during one memory test execution period of the plurality of memory test execution periods, the one RAM macro being correlated with the one memory test execution period.
    Type: Application
    Filed: May 27, 2010
    Publication date: December 9, 2010
    Inventor: Hiroshi TOMIYAMA
  • Patent number: 7795229
    Abstract: A serum cholesterol lowing agent or a preventive or therapeutile agent for atherosclerosis, which each comprises a combination of a compound represented by the following general formula (I) or pharmaceutical acceptable salts thereof with a cholesterol biosynthesis inhibitor and/or a fibrate type cholesterol lowing agent. (I) (b) (a) [In the formula, A1, A2, A3 and A4 each is hydrogen, a group represented by the formula (b), or a group represented by the formula (a), provided that at least one of these is a group represented by the formula (a); A2 is C1-5 alkyl etc; and n. p, q and r each is an integer of 0, 1 or 2.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: September 14, 2010
    Assignee: Kotobuki Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Tomiyama, Masayuki Yokota, Kazuhiro Kosakai
  • Patent number: 7772407
    Abstract: The present invention provides C-glycoside derivatives and salts thereof, wherein B ring is bonded to A ring via —X— and A ring is directly bonded to the glucose residue, and it is usable as a Na+-glucose cotransporter inhibitor, especially for a therapeutic and/or preventive agent for diabetes such as insulin-dependent diabetes (type 1 diabetes) and insulin-independent diabetes (type 2 diabetes), as well as diabetes related diseases such as an insulin-resistant diseases and obesity.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: August 10, 2010
    Assignees: Astellas Pharma Inc., Kotobuki Pharmaceuticals Co., Ltd.
    Inventors: Masakazu Imamura, Takeshi Murakami, Ryota Shiraki, Kazuhiro Ikegai, Takashi Sugane, Fumiyoshi Iwasaki, Eiji Kurosaki, Hiroshi Tomiyama, Atsushi Noda, Kayoko Kitta, Yoshinori Kobayashi
  • Patent number: 7691898
    Abstract: This invention related to a series of new phosphonic acid derivatives having anti-hyperphosphatemia activity. wherein: A is selected from —(CH2)n—, —CO—, —(CH2)n—CO—(CH2)m—, —(CH2)n—CS—(CH2)m— or a branched alkylene group, B ring and C ring are selected from a benzene ring, naphthalene ring, azulene ring or, heterocycle or fused heterocycle compound, D is —(CH2)(n+1)—, —(CH2)—O—(CH2)m—, —(CH2)—S(O)o—(CH2)m—, —CF3 or —(CH2)n—NR10—(CH2)m— wherein a D ring is connected with the carbon atom composing the C ring, E is selected from an oxygen atom or a sulfur atom, P is a phosphine atom, R1˜R7, wherein R1 and R2, R4 and R5 are joined together with neighbored carbon atom to form 5˜7 membered saturated or unsaturated hydrocarbon ring, or 5˜6 membered fused heterocycle, R1, R2 and R3 are not a hydrogen atom if the B ring is a benzene ring and may be the same or different and are substituents, R8 and R9 are may be the same or different and are substituents, R10 is an alkyl group, n and m are 0-10 and o is 0-2.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: April 6, 2010
    Assignee: Kotobuki Pharmaceutical Co., Ltd.
    Inventors: Hiroshi Tomiyama, Masayuki Yokota, Kazuo Tokuzaki, Ryoko Tomita
  • Publication number: 20090182039
    Abstract: A choline salt crystal of (1S)-1,5-anhydro-1-[5-(azulen-2-ylmethyl)-2-hydroxyphenyl]-D-glucitol which shows an endothermic peak at 194 to 198° C. as measured by differential scanning calorimetry (DSC analysis) and shows main peaks at about 2? (°) 5.58, 14.72, 16.80, 17.82, 21.02, and 22.46 as measured by X-ray powder diffraction. Thus, a crystal of an azulene compound can be produced which is in a single crystal form, has a constant quality, can be produced with good reproducibility, can be provided stably as a crystal of an drug substance for use in the preparation of a pharmaceutical and is excellent in storage stability.
    Type: Application
    Filed: July 6, 2006
    Publication date: July 16, 2009
    Inventors: Masakazu Imamura, Takayuki Suzuki, Takeshi Murakami, Keita Nakanishi, Hiroshi Uebayashi, Haruka Nakamura, Masamichi Yuda, Naoko Amenomiya, Yuuji Awamura, Hiroshi Tomiyama