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. 02, 2003
Filed:
May. 29, 2002
Applicant:
Inventors:
Akiko Saitou, Kanagawa-ken, JP;
Shigeru Osawa, Kanagawa-ken, JP;
Nobuhiro Tamura, Kanagawa-ken, JP;
Noriyuki Hayama, Kanagawa-ken, JP;
Yoshiyuki Matsunaga, Kanagawa-ken, JP;
Takashi Yorifuji, Kanagawa-ken, JP;
Mitsuru Shiozaki, Kanagawa-ken, JP;
Masahiro Izumi, Kanagawa-ken, JP;
Assignee:
Toshiba Lighting & Technology Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/702 ;
U.S. Cl.
CPC ...
H01J 1/702 ;
Abstract
A glow discharge lamp has a discharge vessel, a pair of electrodes mounted in the discharge vessel, ionizable filling which is principally made of rare gas and filled in the discharge vessel, and emissive material containing zinc alloy and provided on at least one of the electrodes.