Patents by Inventor Yo Takiguchi

Yo Takiguchi 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).

  • Human pancreatic elastase
    Patent number: 5212068
    Abstract: Human pancreatic elastase can now be obtained from a genetically engineered source.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: May 18, 1993
    Assignee: Sankyo Company Limited
    Inventors: Yo Takiguchi, Tokio Tani, Ichiro Kawashima, Jun Ohsumi, Hidehiko Furukawa, Toshinori Ohmine
  • Method of treating cachexia and certain new compounds for use in this method
    Patent number: 5086057
    Abstract: Compounds of formula (I): ##STR1## [in which: Y represents a group of formula ##STR2## the dotted line is a double of single bond; R.sup.1 is hydrogen, alkyl or aryl; R.sup.2 is hydrogen or halogen; R.sup.3 is alkyl or cycloalkyl; R.sup.4 is hydrogen, alkyl, hydroxy or halogen; and R.sup.6 is hydrogen, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, or aralkyl;]and pharmaceutically acceptable salts thereof are valuable in the treatment of cachexia. Certain of these compounds are novel.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: February 4, 1992
    Assignee: Sankyo Company Limited
    Inventors: Kazuhiko Sasagawa, Yo Takiguchi, Jun Ohsuri, Yasuo Shimoji
  • Method of treating cachexia
    Patent number: 5055479
    Abstract: Compounds of formula (I): ##STR1## and pharmaceutically acceptable salts thereof are valuable in the treatment of cachexia.
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: October 8, 1991
    Assignee: Sankyo Company, Limited
    Inventors: Yo Takiguchi, Jun Ohsumi, Yasuo Shimoji, Kazuhiko Sasagawa
  • Human pancreatic elastase
    Patent number: 4985361
    Abstract: Human pancreatic elastase can now be obtained from a genetically engineered source.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: January 15, 1991
    Assignee: Sankyo Company, Limited
    Inventors: Yo Takiguchi, Tokio Tani, Ichiro Kawashima, Jun Ohsumi, Hidehiko Furukawa, Toshinori Ohmine
  • Human pancreatic elastase I
    Patent number: 4968614
    Abstract: Human pancreatic elastase I can be obtained by genetic engineering.
    Type: Grant
    Filed: April 21, 1987
    Date of Patent: November 6, 1990
    Assignee: Sankyo Company Limited
    Inventors: Yo Takiguchi, Tokio Tani, Hidehiko Furukawa, Ohmine, Toshinori, Kawashima, Ichiro
  • Fermentation process for producing compound having anthelmintic and acaricidal activities
    Patent number: 4346171
    Abstract: A new compound, named "Compound B-41D", has the formula: ##STR1## and can be prepared by cultivating a microorganism of the genus Streptomyces, especially Streptomyces strain B-41-146. Compound B-41D has valuable acaricidal and anthelmintic activities.
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: August 24, 1982
    Assignee: Sankyo Company, Limited
    Inventors: Yo Takiguchi, Hiroshi Mishima, Shinjiro Yamamoto, Michiya Terao
  • Antibiotic substances No. 17927A.sub.1 and No. 17927A.sub.2 and process for producing the same
    Patent number: 4201769
    Abstract: New antibiotic substances named substance No. 17927A.sub.2 and substance No. 17927A.sub.1 produced by cultivation of substances No. 17927A.sub.2 and No. 17927A.sub.1 -producing microorganisms belonging to the genus Streptomyces as well as pharmaceutically-acceptable salts thereof. They have broad antibacterial activities and also .beta.-lactamase inhibitory action so that they show synergistic actions with known penicillins and cephalosporins.
    Type: Grant
    Filed: February 28, 1978
    Date of Patent: May 6, 1980
    Assignee: Sankyo Company Limited
    Inventors: Yasuhiro Itoh, Masaki Nakahara, Yo Takiguchi, Mamoru Arai, Tatsuo Haneishi, Masatoshi Inukai, Mutsuo Nakajima