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:
May. 11, 2010
Filed:
Aug. 02, 2007
Shuji Ikenaga, Kashiba, JP;
Toshiya Tomisaka, Yao, JP;
Shuji Ikenaga, Kashiba, JP;
Toshiya Tomisaka, Yao, JP;
Konica Minolta Opto, Inc., Tokyo, JP;
Abstract
A glass optical element including: a first surface which is formed by transcription of the first transfer surface of the molding die; a second surface which is formed by transcription of the second transfer surface of the molding die and is facing the first surface; and a side surface of the outer periphery formed by transcription of the side transfer surface of the molding die; wherein the glass optical element is characterized by further containing: a first free surface which is formed without contacting with any of the surfaces of the molding die and is connecting the first surface and the side surface of the outer periphery; and a second free surface which is formed without contacting with any of the surfaces of the molding die and is connecting the aforementioned second surface and the side surface of the outer periphery.