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:
Apr. 17, 2018
Filed:
Jan. 03, 2017
Applicants:
Yoshihiro Murasawa, Shizuoka, JP;
Koichi Sakata, Shizuoka, JP;
Masashi Nagayama, Shizuoka, JP;
Toyoaki Tano, Shizuoka, JP;
Hiroyuki Kishida, Shizuoka, JP;
Inventors:
Yoshihiro Murasawa, Shizuoka, JP;
Koichi Sakata, Shizuoka, JP;
Masashi Nagayama, Shizuoka, JP;
Toyoaki Tano, Shizuoka, JP;
Hiroyuki Kishida, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/113 (2006.01); G03G 9/083 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/0831 (2013.01); G03G 15/08 (2013.01); G03G 15/0808 (2013.01); G03G 2215/0607 (2013.01);
Abstract
A carrier is provided. The carrier includes a magnetic core particle and a resin layer coating a surface of the magnetic core particle. The resin layer includes a resin, a conductive particle including tungsten tin oxide, and a chargeable filler.