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. 23, 2020
Filed:
Dec. 28, 2017
Tokai Optical Co., Ltd., Okazaki-Shi, JP;
Hiroaki Watanabe, Okazaki, JP;
Atsushi Nagao, Okazaki, JP;
Hisashi Ikawa, Okazaki, JP;
Shingo Ono, Okazaki, JP;
Hiroshi Ueno, Okazaki, JP;
Tokai Optical Co., Ltd., Okazaki-Shi, JP;
Abstract
A spectacle lens manufacturing system includes resin material filling means which fills a lens mold with a lens material (heat-curable resin material), the lens mold includes a rear lens mold having a front surface that defines a rear surface of a spectacle lens, the rear lens mold has a rear lens mold base body, a three-dimensional printer which adds a aspherical surface addition portion to a front surface of the rear lens mold base body is provided, and a front surface of the rear lens mold is the front surface of the rear lens mold base body, to which the aspherical surface addition portion is added.