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. 19, 2018
Filed:
Feb. 08, 2012
Applicant:
Adarsh Sandhu, Kanagawa, JP;
Inventor:
Adarsh Sandhu, Kanagawa, JP;
Assignee:
EMPIRE TECHNOLOGY DEVELOPMENT LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B42D 25/29 (2014.01); B42D 25/369 (2014.01); B44F 1/10 (2006.01); G07D 7/04 (2016.01); H01F 1/44 (2006.01); H01F 41/00 (2006.01); H01F 41/16 (2006.01);
U.S. Cl.
CPC ...
G07D 7/04 (2013.01); B42D 25/29 (2014.10); B42D 25/369 (2014.10); B44F 1/10 (2013.01); H01F 1/447 (2013.01); H01F 41/16 (2013.01); B42D 2033/16 (2013.01); B42D 2035/34 (2013.01); Y10T 428/24802 (2015.01); Y10T 428/25 (2015.01);
Abstract
A method of visualizing a latent image includes: preparing a latent image composed of a plurality of paramagnetic seeds immobilized on a base in the form of an image, and a dispersion liquid of paramagnetic colloidal particles; immersing the latent image in the dispersion liquid of paramagnetic colloidal particles; and applying a magnetic field to the latent image and the dispersion liquid of paramagnetic colloidal particles.