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:
Dec. 20, 2005
Filed:
May. 21, 2004
Applicants:
Yukio Hosaka, Tokyo, JP;
Hiroshi Shiho, Tokyo, JP;
Kou Hasegawa, Tokyo, JP;
Nobuo Kawahashi, Tokyo, JP;
Inventors:
Yukio Hosaka, Tokyo, JP;
Hiroshi Shiho, Tokyo, JP;
Kou Hasegawa, Tokyo, JP;
Nobuo Kawahashi, Tokyo, JP;
Assignee:
JSR Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B24D011/00 ;
U.S. Cl.
CPC ...
Abstract
A polishing pad comprising a recessed portion in the non-polishing surface. This polishing pad can prevent the surface to be polished of an object from being scratched.