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.:

US 6873384 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 29, 2005

Filed:

Apr. 16, 2001
Applicants:

Yasuhiko Yamanaka, Osaka, JP;

Yoshihiro Sakurai, Ishikawa, JP;

Naohide Wakita, Osaka, JP;

Inventors:

Yasuhiko Yamanaka, Osaka, JP;

Yoshihiro Sakurai, Ishikawa, JP;

Naohide Wakita, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F001/1335 ;
U.S. Cl.
CPC ...
Abstract

In a reflectorhaving a concave/convex shape in a surface thereof, at least part of concave portionsof the concave/convex shape are arranged according to a predetermined rule and the concave/convex shape of an arbitrary straight-line cross section is irregular.


Find Patent Forward Citations

Yamanaka, Yasuhiko. (2005). Reflection board, reflection tyre liquid crystal display unit and production method therefor, optical member, display unit, illuminating device, display board, and undulatory member (U.S. Patent No. 6873384). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6873384

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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