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:
Feb. 24, 2026
Filed:
Oct. 12, 2023
Applicant:
Gemological Institute of America, Inc. (Gia), Carlsbad, CA (US);
Inventors:
Hiroshi Takahashi, Morristown, NJ (US);
Pradeep N. Perera, Fair Lawn, NJ (US);
Assignee:
Gemological Institute of America, Inc. (GIA), Carlsbad, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/33 (2006.01); G01N 21/64 (2006.01); G01N 21/87 (2006.01); G01J 3/44 (2006.01);
U.S. Cl.
CPC ...
G01N 21/33 (2013.01); G01N 21/645 (2013.01); G01N 21/87 (2013.01); G01J 3/4406 (2013.01); G01N 2021/6471 (2013.01); G01N 2201/061 (2013.01); G01N 2201/0636 (2013.01);
Abstract
Systems and methods here may be used for capturing and analyzing spectrometer data of multiple sample gemstones on a stage, including mapping digital camera image data of samples, for both reflective and transmission modes.
Takahashi, Hiroshi. (2026). Ultraviolet-visible absorption spectroscopy for gemstone identification (U.S. Patent No. 12560535). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12560535
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile