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. 05, 2006
Filed:
Jun. 14, 2002
Applicants:
Yuki Tanaka, Yokohama, JP;
Naoto Kijima, Yokohama, JP;
Shinichirou Nakamura, Yokohama, JP;
Masahiro Irie, Fukuoka, JP;
Setsuko Irie, Osaka, JP;
Inventors:
Yuki Tanaka, Yokohama, JP;
Naoto Kijima, Yokohama, JP;
Shinichirou Nakamura, Yokohama, JP;
Masahiro Irie, Fukuoka, JP;
Setsuko Irie, Osaka, JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/23 (2006.01); G02F 1/01 (2006.01); G03C 8/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To detect an irradiated radiation efficiently, so that the dose can be measured with high sensitivity. A photochromic material comprising an illuminant(s) which emits a light when irradiated with a radiation and a diarylethene photochromic compound(s) having a specific structure, and a color dose meter employing it.