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. 06, 2017
Filed:
Feb. 19, 2016
Applicant:
Toshiba Tec Kabushiki Kaisha, Shinagawa-ku, Tokyo, JP;
Inventors:
Takayasu Aoki, Shizuoka-ken, JP;
Koji Imamiya, Kanagawa-ken, JP;
Katsunori Mizuta, Kanagawa-ken, JP;
Assignee:
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01); G03G 9/08 (2006.01); G03G 9/09 (2006.01); G03G 13/34 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2039 (2013.01); G03G 9/0821 (2013.01); G03G 9/0926 (2013.01); G03G 9/0928 (2013.01); G03G 13/34 (2013.01);
Abstract
According to one embodiment, a method for erasing an image includes erasing an image formed using a toner containing at least a binder resin, an electron donating color developable agent, and an electron accepting color developing agent by heating for 10 seconds or less. A color difference ΔE between a region where the image is erased and a paper is 5 or less.