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. 08, 2001
Filed:
Oct. 07, 1998
Yasuyuki Ishii, Mishima, JP;
Tadayuki Tsuda, Susono, JP;
Shinichi Sasaki, Shizuoka-ken, JP;
Kanji Yokomori, Odawara, JP;
Kouji Hashimoto, Shizuoka-ken, JP;
Toru Oguma, Mishima, JP;
Nobuharu Hoshi, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developing device includes a developing container for accommodating a developer; a developer carrying member, disposed in an opening of the developing container, for carrying a developer; a developer charging member for being contacted to the developer on the developer carrying member and supplied with a voltage of the same polarity as the developer and not less than a discharge start voltage.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile