Patents by Inventor Toshinobu Sasaki

Toshinobu Sasaki 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: 7947707
    Abstract: The present invention relates to novel compounds having a xanthine oxidase inhibitory effect and an uricosuric effect and pharmaceutical compositions comprising the same as an active ingredient. That is, the present invention relates nitrogen-containing heterocyclic compounds represented by the following general formula (I): wherein Y1 represents N or C(R4); Y2 represents N or C(R5); R4 and R5 independently represent an alkyl group, a hydrogen atom etc.; one of R1 and R2 represents an optionally substituted aryl group, an alkoxy group or an optionally substituted heterocyclic group; the other of R1 and R2 represents a haloalkyl group, a cyano group, a halogen atom etc.; and R3 represents a 5-tetrazolyl group or a carboxy group, and pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the same as an active ingredient.
    Type: Grant
    Filed: October 3, 2006
    Date of Patent: May 24, 2011
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Takahiro Toyoshima, Toshinobu Sasaki, Chikara Hoshino, Masakazu Takeda
  • Publication number: 20090306396
    Abstract: The present invention relates to novel compounds having a xanthine oxidase inhibitory effect and an uricosuric effect and pharmaceutical compositions comprising the same as an active ingredient. That is, the present invention relates nitrogen-containing heterocyclic compounds represented by the following general formula (I): wherein Y1 represents N or C(R4); Y2 represents N or C(R5); R4 and R5 independently represent an alkyl group, a hydrogen atom etc.; one of R1 and R2 represents an optionally substituted aryl group, an alkoxy group or an optionally substituted heterocyclic group; the other of R1 and R2 represents a haloalkyl group, a cyano group, a halogen atom etc.; and R3 represents a 5-tetrazolyl group or a carboxy group, and pharmaceutically acceptable salts thereof, and pharmaceutical compositions comprising the same as an active ingredient.
    Type: Application
    Filed: October 3, 2006
    Publication date: December 10, 2009
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Takahiro Toyoshima, Toshinobu Sasaki, Chikara Hoshino, Masakazu Takeda
  • Publication number: 20050187264
    Abstract: This invention relates to a phosphodiesterase IV inhibitor containing as an active ingredient a pyridylacrylamide derivative represented by the following formula (I): (wherein Ar1 represents substituted or unsubstituted pyridyl; Ar2 represents phenyl substituted by alkoxy, etc.; R1 represents hydrogen, alkyl, or aryl; R2 represents hydrogen, alkyl, cyano, or alkoxycarbonyl; R3 represents hydrogen or optionally substituted alkyl; X represents oxygen or sulfur; A and B are the same or different and each independently represents hydrogen, hydroxyl, alkoxy, or alkylthio, or A and B together represent oxo, thioxo, etc., or A may be hydroxyl and B may be 1-alkylimidazol-2-yl; and n is an integer from 1 to 3) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 2, 2003
    Publication date: August 25, 2005
    Inventors: Tomohisa Hattori, Toshinobu Sasaki, Yoshihiro Hasegawa, Tatsuhiro Obata
  • Patent number: 4325277
    Abstract: There is provided a compact and simple dispenser for dispensing envelopes each containing a predetermined number of paper sheets such as bank notes and being positively guided by perforations formed at the marginal side or sides of the envelopes. A series of envelopes is housed and stocked in a container unit of the dispenser while being folded one on another to form a train of envelopes which are cut off along the folded lines and then dispensed individually under the control of the central control center. The dispenser of the invention comprises the container unit which has a lock, and a dispensing unit having a cavity for receiving the container unit and a locking device for releasingly locking the lock of the container unit until a signal instructing disassembly of the container unit from the dispensing unit is received.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: April 20, 1982
    Assignee: Laurel Bank Machine Co., Ltd.
    Inventors: Isamu Uchida, Eiichi Kokubo, Toshinobu Sasaki