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. 02, 2008
Filed:
May. 19, 2005
Hideki Kaneiwa, Kanagawa, JP;
Ryuji Shinohara, Kanagawa, JP;
Atsushi Matsunaga, Kanagawa, JP;
Yoshio Ishii, Kanagawa, JP;
Hideki Kaneiwa, Kanagawa, JP;
Ryuji Shinohara, Kanagawa, JP;
Atsushi Matsunaga, Kanagawa, JP;
Yoshio Ishii, Kanagawa, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An optical density changing element comprising: an anode; and a cathode, wherein at least one of the anode and the cathode comprises a first compound that changes a spectral absorption spectrum of the first compound in a wavelength of 400 to 700 nm by providing an electron to or receiving an electron from the at least one of the anode and the cathode, and wherein at least one of the anode and the cathode comprises a second compound that does not change a spectral absorption spectrum of the second compound in a wavelength of 400 to 700 nm by providing an electron to or receiving an electron from the at least one of the anode and the cathode.