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:
Jan. 05, 2010
Filed:
Mar. 02, 2006
Applicants:
Koichi Ono, Ohtsu, JP;
Tetsuo Shimomura, Ohtsu, JP;
Masahiko Nakamori, Ohtsu, JP;
Takatoshi Yamada, Ohtsu, JP;
Shigeru Komai, Ohtsu, JP;
Masayuki Tsutsumi, Ohtsu, JP;
Inventors:
Koichi Ono, Ohtsu, JP;
Tetsuo Shimomura, Ohtsu, JP;
Masahiko Nakamori, Ohtsu, JP;
Takatoshi Yamada, Ohtsu, JP;
Shigeru Komai, Ohtsu, JP;
Masayuki Tsutsumi, Ohtsu, JP;
Assignee:
Toyo Tire & Rubber Co., Ltd, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polishing pad includes at least a polishing layer and a cushion layer and is characterized in that the difference in hardness in Shore D hardness between the polishing layer and the cushion layer is 3 or more.