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:
May. 11, 2010
Filed:
Jan. 05, 2005
Tatsuaki Nagano, Tokyo, JP;
Masashi Kohchi, Tokyo, JP;
Hiroshi Kusumoto, Tokyo, JP;
Hiroshi Kubo, Koshigaya, JP;
Akira Hirose, Tokyo, JP;
Masahiro Taniuchi, Yokohama, JP;
Takuro Sekiya, Yokohama, JP;
Tatsuaki Nagano, Tokyo, JP;
Masashi Kohchi, Tokyo, JP;
Hiroshi Kusumoto, Tokyo, JP;
Hiroshi Kubo, Koshigaya, JP;
Akira Hirose, Tokyo, JP;
Masahiro Taniuchi, Yokohama, JP;
Takuro Sekiya, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image reading apparatus configured to be disposed in an image forming apparatus. An image reading unit is configured to read an image from a document. A light permeable member has a surface configured to face the image on the document, the surface having a roughness of at most 0.5 S. A coating is disposed on the surface of the light permeable member, the coating configured to prevent adherence of contaminants on the surface.