Patents by Inventor Akiyasu Koketsu

Akiyasu Koketsu 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).

  • Prophylactic and/or therapeutic agent for anemia comprising tetrahydroquinoline compound as active ingredient
    Patent number: 9045423
    Abstract: Disclosed is a compound which has a low molecular weight and has an activity of enhancing the production of EPO and/or an activity of enhancing the production of hemoglobin.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: June 2, 2015
    Assignee: KOWA COMPANY, LTD.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Takahiro Kitamura, Syunji Takemura, Gen Watanabe, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • PROPHYLACTIC AND/OR THERAPEUTIC AGENT FOR ANEMIA COMPRISING TETRAHYDROQUINOLINE COMPOUND AS ACTIVE INGREDIENT
    Publication number: 20140249144
    Abstract: Disclosed is a compound which has a low molecular weight and has an activity of enhancing the production of EPO and/or an activity of enhancing the production of hemoglobin.
    Type: Application
    Filed: May 12, 2014
    Publication date: September 4, 2014
    Applicant: KOWA COMPANY, LTD.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Takahiro Kitamura, Syunji Takemura, Gen Watanabe, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • Prophylactic and/or therapeutic agent for anemia comprising tetrahydroquinoline compound as active ingredient
    Patent number: 8791090
    Abstract: Disclosed is a compound which has a low molecular weight and has an activity of enhancing the production of EPO and/or an activity of enhancing the production of hemoglobin.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: July 29, 2014
    Assignee: Kowa Company, Ltd.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Takahiro Kitamura, Syunji Takemura, Gen Watanabe, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • PROPHYLACTIC AND/OR THERAPEUTIC AGENT FOR ANEMIA COMPRISING TETRAHYDROQUINOLINE COMPOUND AS ACTIVE INGREDIENT
    Publication number: 20120004197
    Abstract: Disclosed is a compound which has a low molecular weight and has an activity of enhancing the production of EPO and/or an activity of enhancing the production of hemoglobin.
    Type: Application
    Filed: March 31, 2010
    Publication date: January 5, 2012
    Applicant: KOWA COMPANY, LTD.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Takahiro Kitamura, Syunji Takemura, Gen Watanabe, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata
  • PROPHYLACTIC AND/OR THERAPEUTIC AGENT FOR ANEMIA, COMPRISING TETRAHYDROQUINOLINE COMPOUND AS ACTIVE INGREDIENT
    Publication number: 20100222347
    Abstract: Disclosed is a low-molecular-weight compound having an EPO production-promoting activity and/or a hemoglobin expression-enhancing activity. Specifically disclosed is an EPO production promoter and/or a hemoglobin expression enhancer comprising a 1-acyl-4-(phenoxy, benzyloxy or phenylamino)-1,2,3,4-tetrahydroquinoline derivative, more specifically a tetrahydroquinoline compound represented by the general formula (1); [wherein R1, R2, R2?, R3 and R3? independently represent a hydrogen atom, a C1-6 alkyl group, or the like; R4, R5, R6, R7, R8, R9 and R10 independently represent a hydrogen atom, a halogen atom, a C1-6 alkyl group, or the like; A represents N—R11 or an oxygen atom; R11 represents a hydrogen atom, a C1-6 alkyl group, or the like; and n represents an integer of 0 or 1], a salt of the tetrahydroquinoline compound, or a solvate of the tetrahydroquinoline compound or the salt.
    Type: Application
    Filed: September 29, 2008
    Publication date: September 2, 2010
    Applicant: KOWA COMPANY, LTD.
    Inventors: Masanori Ashikawa, Junya Tagashira, Akiyasu Koketsu, Toshiharu Morimoto, Tatsuaki Nishiyama, Satoshi Goda, Masaki Yamabi, Takeshi Doi, Hiroyuki Ishiwata