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. 05, 2026
Filed:
Feb. 06, 2021
Applicant:
Dexerials Corporation, Shimotsuke, JP;
Inventor:
Reiji Tsukao, Utsunomiya, JP;
Assignee:
DEXERIALS CORPORATION, Shimotsuke, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0221 (2013.01);
Abstract
A pseudo random dot pattern is easily created by a geometric approach. A pseudo random dot pattern 1A is created by arranging zigzag arrangements R at a predetermined pitch in an x direction on an xy plane while periodically altering positions thereof in a y direction, the zigzag arrangements R each including an arrangement Rb and an arrangement Rc repeatedly provided at predetermined intervals in the y direction, the arrangement Rb including dots arranged at a positive inclination, the arrangement Rc including dots arranged at a negative inclination.