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:
Sep. 24, 2002
Filed:
Dec. 27, 2001
Masahiko Okamoto, Higashi-Osaka, JP;
Koichiro Oka, Higashi-Osaka, JP;
Yamamoto Kogaku Co., Ltd., Osaka, JP;
Abstract
The invention has an object to obtain a polarizing and dimming transparent optical product having both-a polarizing function and a dimming function, for example, polarizing and dimming sunglasses, goggles and lenses. The transparent optical product according to the invention has a lamination structure including one polarizer sheet layer, and at least one layer other than the polarizer sheet having the dimming function. Moreover, a plurality of sheets including one polarizer sheet and at least one sheet other than the polarizer sheet are mutually bonded with an adhesive or a binder to constitute a composite sheet, and at least one of the non-polarizer sheets and adhesive or binder layers in the composite sheet has the dimming function.