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:
Aug. 19, 2008
Filed:
Jul. 13, 2005
Ryosuke Hiramatsu, Kawasaki, JP;
Kazuaki Ootsuka, Yokosuka, JP;
Naomi Shida, Tokyo, JP;
Masaaki Tamatani, Fujisawa, JP;
Hisayo Uetake, Yokosuka, JP;
Yoshihito Tsutsui, Chigasaki, JP;
Ryosuke Hiramatsu, Kawasaki, JP;
Kazuaki Ootsuka, Yokosuka, JP;
Naomi Shida, Tokyo, JP;
Masaaki Tamatani, Fujisawa, JP;
Hisayo Uetake, Yokosuka, JP;
Yoshihito Tsutsui, Chigasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Materials Co., Ltd., Yokohama-shi, JP;
Toshiba Lighting & Technology Corporation, Tokyo, JP;
Abstract
Disclosed is a method for manufacturing a nitrogen-containing fluorescent substance comprising accommodating an oxide fluorescent substance containing two or more elements in a receptacle made of a material containing carbon, and sintering the oxide fluorescent substance in a mixed gas atmosphere containing nitrogen gas.