Title:
LENS FOR SPECTACLES
Document Type and Number:
Japanese Patent JPS52136644
Kind Code:
A
Abstract:
PURPOSE: To improve the appearance of a lens by changing the surface of one side of lens to a required secondary curved surface in order to reduce the depth of the lens.
More Like This:
| WO/2013/065746 | SPECTACLE LENS AND METHOD FOR PRODUCING SAME |
| WO/1998/016862 | METHOD OF MANUFACTURING PROGRESSIVE MULTIFOCAL LENS |
Inventors:
DEGUCHI HIROICHI
Application Number:
JP5370776A
Publication Date:
November 15, 1977
Filing Date:
May 11, 1976
Export Citation:
Assignee:
SUWA SEIKOSHA KK
International Classes:
G02C7/02; (IPC1-7): G02C7/02