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:
Dec. 27, 1983
Filed:
Jul. 01, 1981
Applicant:
Inventors:
Shigeharu Nakajima, Anan, JP;
Keiji Ichinomiya, Anan, JP;
Koichi Okada, Anan, JP;
Kaname Tsuchikura, Anan, JP;
Minoru Kashiwagi, Anan, JP;
Assignee:
Nichia Denshi Kagaku Co., Ltd., Anan, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
313487 ; 313484 ; 313485 ; 313486 ;
Abstract
A green light-emitting fluorescent material prepared from terbium-activated lanthanum cerium orthophosphate expressed by the structural formula:
Nakajima, Shigeharu. (1983). Green fluorescence-emitting material and a fluorescent lamp provided (U.S. Patent No. 4423349). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4423349
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile