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:
Sep. 27, 2011
Filed:
Jul. 23, 2008
Applicants:
Kazuhiko Watanabe, Tokyo, JP;
Masahiko Shakuto, Kanagawa, JP;
Osamu Naruse, Kanagawa, JP;
Hidetosi Yano, Kanagawa, JP;
Inventors:
Kazuhiko Watanabe, Tokyo, JP;
Masahiko Shakuto, Kanagawa, JP;
Osamu Naruse, Kanagawa, JP;
Hidetosi Yano, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blade, including: a cut surface provided by obliquely cutting a part of a tip surface to set an angle forming a tip ridge portion of the blade as an obtuse angle, wherein the tip ridge portion is configured to be pressed to a surface to be cleaned.