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:
Jul. 19, 2016
Filed:
Sep. 18, 2000
Hisashi Takayama, Tokyo, JP;
Tetsuo Matsuse, Suita, JP;
Kyoko Kawaguchi, Tokyo, JP;
Yoshiaki Nakanishi, Tokyo, JP;
Osamu Sasaki, Tokyo, JP;
Hisashi Takayama, Tokyo, JP;
Tetsuo Matsuse, Suita, JP;
Kyoko Kawaguchi, Tokyo, JP;
Yoshiaki Nakanishi, Tokyo, JP;
Osamu Sasaki, Tokyo, JP;
Abstract
The present invention provides an electronic wallet having a higher level of anonymity, security and convenience, which is capable of efficient electronizing of value information as well as which allows the user to efficiently manage the electronic value information. A presentation cardindicating the fixed property of an electronic value is digitally signed by the service provider; a variable propertyis digitally signed with the private key of that electronic value. A service control, security information, representation controland representation resourceare digitally signed by the service provider. These digital signature will be authenticated each time an electronic value object is generated.