Patents by Inventor Shin-ichi Kazayama

Shin-ichi Kazayama 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: 7875625
    Abstract: The present invention relates to a medicine, particularly a medicine comprising a novel cyclohepta[b]pyridine-3-carbonylguanidine derivative having an inhibitory effect on an Na+/H+ exchanger (NHE). There is provided a cyclohepta[b]pyridine-3-carbonylguanidine derivative represented by Formula (1): wherein R1 is a group selected from a sulfo group, a sulfoxy group, —OCONH—(CH2CH2O)n—SO3H and the following formulas: R2 represents a halogen atom, a lower alkyl group or a lower alkoxy group; and n represents an integer from 1 to 10, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: January 25, 2011
    Assignee: Toa Eiyo Ltd.
    Inventors: Kazuhiro Uemoto, Koichi Takayanagi, Shin-ichi Kazayama
  • Publication number: 20090012114
    Abstract: The present invention relates to a medicine, particularly a medicine comprising a novel cyclohepta[b]pyridine-3-carbonylguanidine derivative having an inhibitory effect on an Na+/H+ exchanger (NHE). There is provided a cyclohepta[b]pyridine-3-carbonylguanidine derivative represented by Formula (1): wherein R1 is a group selected from a sulfo group, a sulfoxy group, —OCONH—(CH2CH2O)n—SO3H and the following formulas: R2 represents a halogen atom, a lower alkyl group or a lower alkoxy group; and n represents an integer from 1 to 10, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 16, 2006
    Publication date: January 8, 2009
    Applicant: TOA Eiyo Ltd.
    Inventors: Kazuhiro Uemoto, Koichi Takayanagi, Shin-ichi Kazayama
  • Patent number: 7399781
    Abstract: The present invention relates to an N-substituted benzothiophenesulfonamide derivative or a pharmaceutically acceptable salt thereof and applications thereof. Furthermore, it provides an agent for preventing or treating cardiac or circulatory disease and so on caused by abnormal increase of production of angiotensin II or endothelin I based on chymase activity, or by activation of mast cell, and an agent for preventing adhesion after surgery, wherein the agent has a selective inhibitory action on chymase.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: July 15, 2008
    Assignee: TOA EIYO Ltd.
    Inventors: Shoji Satoh, Akira Tatsui, Takeshi Hasegawa, Hideki Yamada, Shin-ichi Kazayama, Takahiro Morita, Hidekazu Masaki, Atsuo Takahashi, Fumiya Yoneyama, Tetsuo Kuze, Yusuke Mizuno, Mizuo Miyazaki, Shinji Takai
  • Patent number: 7071220
    Abstract: The present invention relates to an N-substituted benzothiophenesulfonamide derivative or a pharmaceutically acceptable salt thereof and applications thereof. Furthermore, it provides an agent for preventing or treating cardiac or circulatory disease and so on caused by abnormal increase of production of angiotensin II or endothelin I based on chymase activity, or by activation of mast cell, and an agent for preventing adhesion after surgery, wherein the agent has a selective inhibitory action on chymase.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: July 4, 2006
    Assignee: Toa Eiyo Ltd.
    Inventors: Shoji Satoh, Akira Tatsui, Takeshi Hasegawa, Hideki Yamada, Shin-ichi Kazayama, Takahiro Morita, Hidekazu Masaki, Atsuo Takahashi, Fumiya Yoneyama, Tetsuo Kuze, Yusuke Mizuno, Mizuo Miyazaki, Shinji Takai
  • Publication number: 20060116408
    Abstract: The present invention relates to an N-substituted benzothiophenesulfonamide derivative or a pharmaceutically acceptable salt thereof and applications thereof. Furthermore, it provides an agent for preventing or treating cardiac or circulatory disease and so on caused by abnormal increase of production of angiotensin II or endothelin I based on chymase activity, or by activation of mast cell, and an agent for preventing adhesion after surgery, wherein the agent has a selective inhibitory action on chymase.
    Type: Application
    Filed: January 10, 2006
    Publication date: June 1, 2006
    Applicant: TOA EIYO Ltd.
    Inventors: Shoji Satoh, Akira Tatsui, Takeshi Hasegawa, Hideki Yamada, Shin-ichi Kazayama, Takahiro Morita, Hidekazu Masaki, Atsuo Takahashi, Fumiya Yoneyama, Tetsuo Kuze, Yusuke Mizuno, Mizuo Miyazaki, Shinji Takai
  • Patent number: 6933309
    Abstract: A halogenobenzylaminopropionic acid derivative represented by the following formula (1): or a pharmaceutically acceptable salt of the derivative, and a drug containing the same as an active ingredient for treating diabetes, hyperlipidemia, or similar pathological conditions.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: August 23, 2005
    Assignee: Toaeiyo Ltd.
    Inventors: Koichi Takayanagi, Hideki Yamada, Shin-ichi Kazayama, Shin-ya Ohnuma
  • Publication number: 20040102439
    Abstract: A halogenobenzylaminopropionic acid derivative represented by the following formula (1): 1
    Type: Application
    Filed: September 29, 2003
    Publication date: May 27, 2004
    Inventors: Koichi Takayanagi, Hideki Yamada, Shin-ichi Kazayama, Shin-ya Ohnuma
  • Publication number: 20030229126
    Abstract: The present invention relates to an N-substituted benzothiophenesulfonamide derivative or a pharmaceutically acceptable salt thereof and applications thereof. Furthermore, it provides an agent for preventing or treating cardiac or circulatory disease and so on caused by abnormal increase of production of angiotensin II or endothelin I based on chymase activity, or by activation of mast cell, and an agent for preventing adhesion after surgery, wherein the agent has a selective inhibitory action on chymase.
    Type: Application
    Filed: March 13, 2003
    Publication date: December 11, 2003
    Applicant: TOA EIYO Ltd.
    Inventors: Shoji Satoh, Akira Tatsui, Takeshi Hasegawa, Hideki Yamada, Shin-Ichi Kazayama, Takahiro Morita, Hidekazu Masaki, Atsuo Takahashi, Fumiya Yoneyama, Tetsuo Kuze, Yusuke Mizuno, Mizuo Miyazaki, Shinji Takai