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:
Jan. 03, 2017
Filed:
Mar. 23, 2009
Applicants:
Minoru Inuzuka, Hazu-gun, JP;
Hiroyasu Ueta, Kakegawa, JP;
Inventors:
Minoru Inuzuka, Hazu-gun, JP;
Hiroyasu Ueta, Kakegawa, JP;
Assignees:
NIDEK CO., LTD., Gamagori, JP;
SHIZUOKA PREFECTURAL GOVERNMENT, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P 5/20 (2006.01); G02C 7/10 (2006.01); G02B 5/22 (2006.01);
U.S. Cl.
CPC ...
D06P 5/20 (2013.01); D06P 5/2005 (2013.01); D06P 5/2066 (2013.01); G02C 7/108 (2013.01); G02B 5/22 (2013.01); G02C 2202/16 (2013.01);
Abstract
Disclosed is a dyeing method using a laser beam. The method can dye transparent resins such as plastic lens well. Also disclosed is a dyeing apparatus. The dyeing method comprises heating a plastic lens having a dye-coated surface to fix the dye on the surface of the plastic lens. The method comprises the step of applying a laser beam with a wavelength, which is less likely to be absorbed in the dye but it absorbed in the plastic lens, onto the surface of the plastic lens through the dye.