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:
Jan. 27, 2015
Filed:
Jan. 20, 2011
Applicants:
Yoshihiro Wakita, Tokyo, JP;
Jun Nakano, Tokyo, JP;
Masaru Kuramoto, Kanagawa, JP;
Yutaka Imai, Tokyo, JP;
Inventors:
Yoshihiro Wakita, Tokyo, JP;
Jun Nakano, Tokyo, JP;
Masaru Kuramoto, Kanagawa, JP;
Yutaka Imai, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06Q 50/06 (2012.01); G06Q 30/04 (2012.01); H04L 29/06 (2006.01); H02J 3/00 (2006.01); H02J 7/35 (2006.01); H02J 3/38 (2006.01);
U.S. Cl.
CPC ...
G06Q 50/06 (2013.01); G06Q 30/04 (2013.01); H04L 63/0823 (2013.01); H02J 3/008 (2013.01); H02J 7/35 (2013.01); Y04S 50/10 (2013.01); Y04S 40/24 (2013.01); H02J 3/383 (2013.01); H02J 3/386 (2013.01); Y04S 10/60 (2013.01); Y04S 50/12 (2013.01); Y02E 10/563 (2013.01); Y02E 10/566 (2013.01); Y02E 10/763 (2013.01); H02J 3/382 (2013.01);
Abstract
A method is provided for authenticating characteristics of electrical energy. The method comprises acquiring a key, acquiring an amount of electrical energy, and generating a digital signature based on the amount and the key. The method further comprises generating a certificate comprising the signature and the amount.