Patents by Inventor Jun-ichiro Kita

Jun-ichiro Kita 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: 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 6087379
    Abstract: A cyclic amine derivative represented by the following formula: ##STR1## wherein R.sup.1 represents a substituted or unsubstituted phenyl group, R.sup.2 represents a substituted of unsubstituted C.sub.1 -C.sub.8 aliphatic acyl group, a substituted or unsubstituted benzoyl group or a C.sub.1 -C.sub.4 alkoxycarbonyl group, and R.sup.3 represents a substituted 3 to 7 membered saturated cyclic amino group which may form a fused ring; or pharmaceutically acceptable salts thereof. The compounds and salts have excellent platelet aggregation inhibitory action. They are useful for the treatment and prevention of such diseases as embolism, thrombosis or arteriosclerosis and for the preparation of pharmaceutical compositions for such uses.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: July 11, 2000
    Assignees: Sankyo Company, Limited, Ube Industries, Ltd.
    Inventors: Fumitoshi Asai, Atsuhiro Sugidachi, Toshihiko Ikeda, Hiroyuki Koike, Teruhiko Inoue, Katsunori Takata, Ryo Iwamura, Jun-ichiro Kita, Kenji Yoneda
  • 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
  • Patent number: 5049551
    Abstract: A 5-fluorouracil derivative represented by the formula (1): ##STR1## wherein A represents a group represented by ##STR2## wherein R.sup.1 represents a hydrogen atom or OR.sup.5 group, R.sup.2, R.sup.3 and R.sup.5 may be the same or different and each represents a hydrogen atom or a group represented by the following formula (2): ##STR3## wherein R.sup.6 represents an acyl group, R.sup.7 represents a hydrogen atom, a straight or branched alkyl group, a cycloalkyl group, an aralkyl group, a lower alkenyl group or a phenyl group, and n is an integer of 0 to 6,provided that at least one of R.sup.2, R.sup.3 and R.sup.5 is a group represented by the formula (2), and the case whereinR.sup.2 and R.sup.5 are both hydrogen atoms is excluded,R.sup.4 represents a group represented by the formula (2), and X represents an alkylene group or a cycloalkylene group,and an antitumor agent containing the same as an active ingredient.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: September 17, 1991
    Assignee: UBE Industries, Ltd.
    Inventors: Akihide Koda, Jun'ichiro Kita, Yoshio Kaku, Iichiro Horimi, Osami Sakamoto
  • 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