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:
Jun. 10, 1997
Filed:
Jan. 26, 1995
Applicant:
Inventors:
Tsukuru Kai, Fujisawa, JP;
Nobuo Iwata, Sagamihara, JP;
Hidetoshi Yano, Yokohama, JP;
Yasushi Nakazato, Tokyo, JP;
Satoshi Muramatsu, Kawasaki, JP;
Yoshiko Ishii, Tokyo, JP;
Nobuto Yokokawa, Gotenba, JP;
Masako Suzuki, Yokohama, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399253 ;
Abstract
A developing unit using a bicomponent developer and capable of collecting only carrier included in the developer and deteriorated due to aging while recycling toner, and a method of collecting the developer from the developing unit. The developing unit separate the developer into toner and carrier before the collection of the developer.