The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2014
Filed:
Nov. 27, 2012
Applicant:
Astellas Pharma Inc., Tokyo, JP;
Inventors:
Hiroyuki Kaizawa, Tokyo, JP;
Mari Sugita, Tokyo, JP;
Hidenori Azami, Tokyo, JP;
Ryushi Seo, Tokyo, JP;
Takaho Nomura, Tokyo, JP;
Satoshi Yamamoto, Tokyo, JP;
Hirofumi Yamamoto, Chuo-ku, JP;
Kazuyuki Tsuchiya, Tokyo, JP;
Hideki Kubota, Tokyo, JP;
Kazunori Kamijo, Tokyo, JP;
Assignee:
Astellas Pharma Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 495/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Substituted imidazo[1,5-a]quinoxalin-4-ones are useful as phosphodiesterase 9 inhibitors.