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:
Nov. 19, 2024
Filed:
Feb. 03, 2022
Hiroyuki Kishida, Shizuoka, JP;
Kousuke Suzuki, Shizuoka, JP;
Tohru Suganuma, Shizuoka, JP;
Minoru Masuda, Shizuoka, JP;
Masashi Nagayama, Shizuoka, JP;
Kento Takeuchi, Shizuoka, JP;
Kaede Masuko, Shizuoka, JP;
Hiroyuki Kishida, Shizuoka, JP;
Kousuke Suzuki, Shizuoka, JP;
Tohru Suganuma, Shizuoka, JP;
Minoru Masuda, Shizuoka, JP;
Masashi Nagayama, Shizuoka, JP;
Kento Takeuchi, Shizuoka, JP;
Kaede Masuko, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A carrier for developing an electrostatic latent image is provided. The carrier comprises a core particle having an internal void ratio of from 0.0% to 2.0% and a coating layer coating the core particle. The coating layer contains flat chargeable particles satisfying Formula 1 blow:1.0≤R1/R2≤3.0 Formula 1where R1 [nm] and R2 [nm] represent a major axis and a thickness, respectively, of each of the flat chargeable particles. The carrier has an apparent density of from 2.0 to 2.5 g/cm.