Patents by Inventor Hidetaka Hiyama

Hidetaka Hiyama 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: 20220265613
    Abstract: The present invention provides an oxazole compound represented by Formula (1), or a salt thereof: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y1-A1- or —Y2—C(?O)— wherein Y1 is a group such as —C(?O)—, A1 is a group such as a tower alkylene group, and Y2 is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
    Type: Application
    Filed: February 24, 2022
    Publication date: August 25, 2022
    Applicant: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Minoru OKADA, Masaya Kato, Norifumi Sato, Tetsuyuki Uno, Hideki Kitagaki, Junpei Haruta, Hidetaka Hiyama, Tomonori Shibata
  • Publication number: 20200078340
    Abstract: The present invention provides a oxazole compound represented by Formula (1), or a salt thereof: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y1-A1- or —Y2—C(?O)— wherein Y1 is a group such as —C(?O)—, A1 is a group such as a lower alkylene group, and Y2 is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
    Type: Application
    Filed: November 12, 2019
    Publication date: March 12, 2020
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Minoru OKADA, Masaya KATO, Norifumi SATO, Tetsuyuki UNO, Hideki KITAGAKI, Junpei HARUTA, Hidetaka HIYAMA, Tomonori SHIBATA
  • Publication number: 20190070151
    Abstract: The present invention provides a oxazole compound represented by Formula (1), or a salt thereof: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y1-A1- or —Y2—C(?O)— wherein Y1 is a group such as —C(?O)—, A1 is a group such as a lower alkylene group, and Y2 is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
    Type: Application
    Filed: November 1, 2018
    Publication date: March 7, 2019
    Applicant: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Minoru OKADA, Masaya KATO, Norifumi SATO, Tetsuyuki UNO, Hideki KITAGAKI, Junpei HARUTA, Hidetaka HIYAMA, Tomonori SHIBATA
  • Publication number: 20170216260
    Abstract: The present invention provides a oxazole compound represented by Formula (1), or a salt thereof: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y1-A1- or —Y2—C(?O)— wherein Y1 is a group such as —C(?O)—, A1 is a group such as a lower alkylene group, and Y2 is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Applicant: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Minoru OKADA, Masaya KATO, Norifumi SATO, Tetsuyuki UNO, Hideki KITAGAKI, Junpei HARUTA, Hidetaka HIYAMA, Tomonori SHIBATA
  • Publication number: 20140100226
    Abstract: The present invention provides a oxazole compound represented by Formula (1), or a salt thereof: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y1-A1- or —Y2—C(?O)— wherein Y1 is a group such as —C(?O)—, A1 is a group such as a lower alkylene group, and Y2 is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 10, 2014
    Applicant: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Minoru OKADA, Masaya KATO, Norifumi SATO, Tetsuyuki UNO, Hideki KITAGAKI, Junpei HARUTA, Hidetaka HIYAMA, Tomonori SHIBATA
  • Patent number: 8637559
    Abstract: The present invention provides a oxazole compound represented by Formula (1), or a salt thereof: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y1-A1- or —Y2—C(?O)— wherein Y1 is a group such as —C(?O)—, A1 is a group such as a lower alkylene group, and Y2 is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
    Type: Grant
    Filed: November 14, 2006
    Date of Patent: January 28, 2014
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Minoru Okada, Masaya Kato, Norifumi Sato, Tetsuyuki Uno, Hideki Kitagaki, Junpei Haruta, Hidetaka Hiyama, Tomonori Shibata
  • Patent number: 8450352
    Abstract: Thiazole compounds for inhibiting the activity of phosphodiesterase 4, the production of tumor necrosis factor alpha, and the production of interleukin 4. The compounds of the invention are represented by general formula (1): wherein A is any one of the following groups (i)-(iii): (i) —CH(OH)—B— wherein B is a C1-6 alkylene group; (ii) —COCH(COOR3)-Bb- wherein R3 is a C1-6 alkyl group and Bb is a C1-6 alkylene group; and (iii) -Bc- wherein Bc is a C2-6 alkylene group, and include optical isomers and salts of the compounds.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: May 28, 2013
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Isao Takemura, Kenji Watanabe, Kunio Oshima, Nobuaki Ito, Junpei Haruta, Hidetaka Hiyama, Masatoshi Chihiro, Hideki Kawasome, Yoko Sakamoto, Hironobu Ishiyama, Takumi Sumida, Kazuhiko Fujita, Hideki Kitagaki
  • Publication number: 20100094002
    Abstract: Thiazole compounds for inhibiting the activity of phosphodiesterase 4, the production of tumor necrosis factor alpha, and the production of interleukin 4. The compounds of the invention are represented by general formula (1): wherein A is any one of the following groups (i)-(iii): (i) —CH(OH)-B- wherein B is a C1-6 alkylene group; (ii) —COCH(COOR3)-Bb- wherein R3 is a C1-6 alkyl group and Bb is a C1-6 alkylene group; and (iii) -Bc- wherein Bc is a C2-6 alkylene group, and include optical isomers and salts of the compounds.
    Type: Application
    Filed: December 15, 2009
    Publication date: April 15, 2010
    Inventors: Isao Takemura, Kenji Watanabe, Kunio Oshima, Nobuaki Ito, Junpei Haruta, Hidetaka Hiyama, Masatoshi Chihiro, Hideki Kawasome, Yoko Sakamoto, Hironobu Ishiyama, Takumi Sumida, Kazuhiko Fujita, Hideki Kitagaki
  • Patent number: 7655680
    Abstract: Thiazole compounds for inhibiting the activity of phosphodiesterase 4, the production of tumor necrosis factor alpha, and the production of interleukin 4. The compounds of the invention are represented by general formula (1): wherein A is any one of the following groups (i) and (ii): (i) —CO—B— wherein B is a C1-6 alkylene group and (ii) —CO—Ba— wherein Ba is a C2-6 alkenylene group, and include optical isomers and salts of the compounds.
    Type: Grant
    Filed: May 16, 2005
    Date of Patent: February 2, 2010
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Isao Takemura, Kenji Watanabe, Kunio Oshima, Nobuaki Ito, Junpei Haruta, Hidetaka Hiyama, Masatoshi Chihiro, Hideki Kawasome, Yoko Sakamoto, Hironobu Ishiyama, Takumi Sumida, Kazuhiko Fujita, Hideki Kitagaki
  • Publication number: 20090221586
    Abstract: The present invention provides a oxazole compound represented by Formula (1), or a salt thereof: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y1-A1- or —Y2—C(?O)— wherein Y1 is a group such as —C(?O)—, A1 is a group such as a lower alkylene group, and Y2 is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
    Type: Application
    Filed: November 14, 2006
    Publication date: September 3, 2009
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Minoru Okada, Masaya Kato, Norifumi Sato, Tetsuyuki Uno, Hideki Kitagaki, Junpei Haruta, Hidetaka Hiyama, Tomonori Shibata
  • Publication number: 20080039511
    Abstract: An object of the present invention is to provide a novel thiazole compound with specific inhibitory activity against phosphodiesterase 4.
    Type: Application
    Filed: May 16, 2005
    Publication date: February 14, 2008
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Isao Takemura, Kenji Watanabe, Kunio Oshima, Nobuaki Ito, Junpei Haruta, Hidetaka Hiyama, Masatoshi Chihiro, Hideki Kawasome, Yoko Sakamoto, Hironobu Ishiyama, Takumi Sumida, Kazuhiko Fujita, Hideki Kitagaki
  • Patent number: RE46792
    Abstract: The present invention provides a oxazole compound represented by Formula (1), or a salt thereof: wherein R1 is an aryl group which may have one or more substituents; R2 is an aryl group or a nitrogen atom-containing heterocyclic group each of which may have one or more substituents; and W is a divalent group represented by —Y1-A1- or or —Y2—C(?O)— wherein Y1 is a group such as —C(?O)—, A1 is a group such as a lower alkylene group, and Y2 is a group such as a piperazinediyl group. The oxazole compound has a specific inhibitory action against phosphodiesterase 4.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: April 17, 2018
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Minoru Okada, Masaya Kato, Norifumi Sato, Tetsuyuki Uno, Hideki Kitagaki, Junpei Haruta, Hidetaka Hiyama, Tomonori Shibata