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:
Dec. 18, 2007
Filed:
Feb. 21, 2001
Mitsuru Nakajima, Kawasaki, JP;
Yoshiaki Imajima, Kawasaki, JP;
Takayoshi Handa, Kawasaki, JP;
Hitoshi Monma, Kawasaki, JP;
Toshihiro Kodaka, Kawasaki, JP;
Mikako Fujii, Kawasaki, JP;
Mitsuru Nakajima, Kawasaki, JP;
Yoshiaki Imajima, Kawasaki, JP;
Takayoshi Handa, Kawasaki, JP;
Hitoshi Monma, Kawasaki, JP;
Toshihiro Kodaka, Kawasaki, JP;
Mikako Fujii, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An authentication system, program and method authenticates users who are parties to a transaction by supplying a first user with a matching key for a prospective transaction, receiving by a second user the matching key supplied to the first user; and matching the key supplied from the first user to the second user against the key supplied to the first user, after the second user has received the key from the first user.