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. 16, 2009
Filed:
Aug. 29, 2003
Yasushi Koichi, Kanagawa, JP;
Mitsuo Aoki, Shizuoka, JP;
Bing Shu, Shizuoka, JP;
Koji Suzuki, Kanagawa, JP;
Shigeru Watanabe, Kanagawa, JP;
Tadashi Kasai, Tokyo, JP;
Yutaka Takahashi, Kanagawa, JP;
Yasushi Koichi, Kanagawa, JP;
Mitsuo Aoki, Shizuoka, JP;
Bing Shu, Shizuoka, JP;
Koji Suzuki, Kanagawa, JP;
Shigeru Watanabe, Kanagawa, JP;
Tadashi Kasai, Tokyo, JP;
Yutaka Takahashi, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
In an image forming apparatus configured to electrostatically transfer a toner image formed on an image carrier to a recording medium with image transferring means of the present invention, pressure is applied between the image carrier and the image transferring means. Toner is provided with relatively high hardness in accordance with the pressure beforehand. Image transfer is effected by reducing a potential difference between the image carrier and the recording medium while maintaining an electric field around the toner the same.