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:
Oct. 15, 2019
Filed:
Mar. 05, 2018
Mariko Takii, Kanagawa, JP;
Koichi Sakata, Shizuoka, JP;
Tohru Suganuma, Shizuoka, JP;
Masahiro Seki, Shizuoka, JP;
Masashi Nagayama, Shizuoka, JP;
Toyoaki Tano, Shizuoka, JP;
Kohsuke Miyazaki, Shizuoka, JP;
Mariko Takii, Kanagawa, JP;
Koichi Sakata, Shizuoka, JP;
Tohru Suganuma, Shizuoka, JP;
Masahiro Seki, Shizuoka, JP;
Masashi Nagayama, Shizuoka, JP;
Toyoaki Tano, Shizuoka, JP;
Kohsuke Miyazaki, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A carrier is provided including a core particle and a resin layer coating the surface of the core particle. The resin layer includes fine metal particles, and a detected metal element amount A obtained by X-ray photoelectron spectrometry of the surface of the carrier is in a range of 4.0 atomic %≤A≤20.0 atomic % and an average major-axis length B of the fine metal particle exposing from the resin layer is in a range of 100 nm≤B≤800 nm.