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:
Jul. 06, 1999
Filed:
Jun. 20, 1997
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359586 ; 359580 ; 359581 ;
Abstract
An optical member includes a synthetic resin substrate: and an antireflection film including at least a mixture film composed of tantalum oxide (Ta.sub.2 O.sub.5) and titanium oxide (TiO.sub.2), and a film having a refractive index lower than that of the mixture film. The antireflection film is coated on the synthetic resin substrate.
Tokuhiro, Setsuo. (1999). Optical member having antireflection film thereon (U.S. Patent No. 5920431). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5920431
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile