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:
Feb. 22, 2005
Filed:
Aug. 11, 2003
Applicants:
Kazuhiko Nakada, Nisshin, JP;
Hiroaki Suzuki, Toki, JP;
Kenichi Ishihara, Kasugai, JP;
Yuuji Gotou, Kakamigahara, JP;
Inventors:
Kazuhiko Nakada, Nisshin, JP;
Hiroaki Suzuki, Toki, JP;
Kenichi Ishihara, Kasugai, JP;
Yuuji Gotou, Kakamigahara, JP;
Assignee:
Menicon Co., Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C007/02 ;
U.S. Cl.
CPC ...
Abstract
A method of marking an ophthalmic lens, including a step of irradiating the ophthalmic lens formed of a resin material with a laser radiation of a femtosecond pulse width, such that the laser radiation is condensed at each of at least one predetermined spot within the ophthalmic lens, to form a whitened portion at the each of the at least one predetermined spot, for thereby providing the ophthalmic lens with a marking.