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:
Oct. 07, 2008
Filed:
Feb. 16, 2005
Masanori Haba, Tokyo, JP;
Hirokazu Fujii, Hyogo, JP;
Masanori Haba, Tokyo, JP;
Hirokazu Fujii, Hyogo, JP;
Dialight Japan Co., Ltd., Osaka, JP;
Abstract
A lighting device of the present invention has a wire-shaped cathode provided along an axial direction, a phosphor-coated anode that opposes to the wire-shaped cathode in the axial direction and a vacuum sealing tube that vacuum-seals these cathode and anode, wherein the wire-shaped cathode has a wire and a carbon film provided on the entire circumference of this wire, and the phosphor-coated anode has an anode section and a phosphor section provided on this anode section.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile