Patents by Inventor Shinji Takamura

Shinji Takamura 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).

  • Acid addition salt of optically active piperidine compound and process for preparing the same
    Patent number: 7282589
    Abstract: (S)-(?)-4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperi-dine represented by the formula (IV): wherein * represents an asymmetric carbon.
    Type: Grant
    Filed: February 5, 2004
    Date of Patent: October 16, 2007
    Assignees: UBE Industries, Ltd., Tanabe Seiyaku Co., Ltd.
    Inventors: Jun-ichiro Kita, Shinji Takamura
  • Acid addition salt of optically active piperidine compound and process for preparing the same
    Publication number: 20040220226
    Abstract: (S)-(−)-4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperi-dine represented by the formula (IV): 1
    Type: Application
    Filed: February 5, 2004
    Publication date: November 4, 2004
    Applicants: UBE INDUSTRIES, LTD., TANABE SEIYAKU CO., LTD.
    Inventors: Jun-ichiro Kita, Shinji Takamura
  • Acid addition salt of optically active piperidine compound and process for preparing the same
    Patent number: 6780877
    Abstract: The present invention is to provide a benzenesulfonic acid salt and a benzoic acid salt of (S)-4-[4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperidino]butanoic acid represented by the formula (I): wherein * represents an asymmetric carbon, which are excellent in antihistaminic activity and anti-allergic activity, and a process for producing the same.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: August 24, 2004
    Assignees: Ube Industries, Ltd., Tanabe Seiyaku Co., Ltd.
    Inventors: Jun-ichiro Kita, Hiroshi Fujiwara, Shinji Takamura
  • Acid addition salt of optically active piperidine compound and process for preparing the same
    Publication number: 20020026054
    Abstract: The present invention is to provide a benzenesulfonic acid salt and a benzoic acid salt of (S)-4-[4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperidino]butanoic acid represented by the formula (I): 1
    Type: Application
    Filed: September 12, 2001
    Publication date: February 28, 2002
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Jun-Ichiro Kita, Hiroshi Fujiwara, Shinji Takamura, Ryuzo Yoshioka, Yasuhiko Ozaki, Shin-Ichi Yamada
  • Acid-addition salts of optically active piperidine compound and process for producing the same
    Patent number: 6307052
    Abstract: The present invention is to provide a benzenesulfonic acid salt and a benzoic acid salt of (S)-4-[4-[(4-chlorophenyl) (2-pyridyl)methoxy]piperidino]butanoic acid represented by the formula (I): wherein * represents an asymmetric carbon, which are excellent in antihistaminic activity and anti-allergic activity, and a process for producing the same.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: October 23, 2001
    Assignees: Ube Industries, Ltd., Tanabe Seiyaku Co., Ltd.
    Inventors: Jun-ichiro Kita, Hiroshi Fujiwara, Shinji Takamura, Ryuzo Yoshioka, Yasuhiko Ozaki, Shin-ichi Yamada
  • Diarylmethoxypiperidine derivatives
    Patent number: 5225559
    Abstract: Disclosed is a diarylmethoxypiperidine compound represented by the formula (I): ##STR1## wherein Ar.sup.1 and Ar.sup.2 each represent a phenyl group which may be substituted by a specific substituent, or a pyridyl group; X represents an alkylene group or a group having ##STR2## where n represents an integer of 1 to 8; Y represents oxygen atom or a group having --CONH--; and Z represents a phenyl group having at least one specific substituent as defined in the specification; and pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: July 6, 1993
    Assignee: Ube Industries, Ltd.
    Inventors: Jun'ichiro Kita, Shinji Takamura, Kayoko Yamano, Hiroshi Fujiwara, Hiroko Honda, Kumiko Murata
  • Piperdine and piperazine derivatives, and antihistaminic pharmaceutical compositions containing the same
    Patent number: 4929618
    Abstract: Disclosed is a compound represented by Formula (I): ##STR1## wherein Ar.sup.1, Ar.sup.2, n, A, B and Z are as defined in claims. Disclosed are also a process for preparing the compound and pharmaceutical compositions containing the compound.The compound has an antihistamic and antiallergic effect.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: May 29, 1990
    Assignee: Ube Industries, Ltd.
    Inventors: Akihide Koda, Jun'ichiro Kita, Yoshiaki Kuroki, Hiroshi Fujiwara, Shinji Takamura, Kayoko Yamano