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:
Sep. 20, 2005
Filed:
Jun. 13, 2001
Applicants:
Kenji Mukai, Shijonawate, JP;
Toshio Mori, Settsu, JP;
Yoshio Manabe, Katano, JP;
Yoshinori Ootaka, Takatsuki, JP;
Masaaki Hama, Mukou, JP;
Inventors:
Kenji Mukai, Shijonawate, JP;
Toshio Mori, Settsu, JP;
Yoshio Manabe, Katano, JP;
Yoshinori Ootaka, Takatsuki, JP;
Masaaki Hama, Mukou, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J001/00 ;
U.S. Cl.
CPC ...
Abstract
In evaluating whiteness of light from a light source or a luminaire, whiteness W is given by the following equation,=−5.3+100,