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:
Aug. 12, 2008
Filed:
Nov. 05, 2004
Applicants:
Hiroshi Yamazaki, Hachioji, JP;
Meizo Shirose, Hachioji, JP;
Masafumi Uchida, Toyokawa, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming method comprising: developing an electrostatic latent image on a latent image carrier with toner to form a toner image, transferring the toner image; and using ultrasonic vibration in the developing step or in the transferring step is disclosed. The toner includes toner particles that contain a releasing agent having a melting point 40-75° C., and has a number-based median diameter D50 of 3.0 to 5.0 μm and a CV value of 12 to 20% in a number-based particle size distribution and/or a mean circularity of 0.975-1.000.