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.

Date of Patent:
Feb. 14, 2023

Filed:

Jun. 24, 2021
Applicant:

Fujifilm Business Innovation Corp., Tokyo, JP;

Inventors:

Koichiro Yuasa, Ebina, JP;

Toshiaki Baba, Ebina, JP;

Yoko Miyamoto, Ebina, JP;

Takeshi Yasuda, Ebina, JP;

Hirotaka Tanaka, Ebina, JP;

Masaaki Takahashi, Ebina, JP;

Tomoaki Yoshioka, Ebina, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01); G03G 15/00 (2006.01); G03G 21/20 (2006.01); G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0266 (2013.01); G03G 15/5037 (2013.01); G03G 15/6555 (2013.01); G03G 21/203 (2013.01); G03G 15/2003 (2013.01); G03G 15/5054 (2013.01);
Abstract

An image forming apparatus includes: an image holder configured to hold an image formed using an electrographic process; a transfer body that faces the image holder and is configured to contact the image holder while rotating to form a secondary transfer region; an application unit configured to apply a voltage for charging the secondary transfer region; and a charge unit that faces a region other than the secondary transfer region of the transfer body and is configured to charge a surface of the transfer body with a polarity opposite to an applied voltage of the application unit.


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