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. 03, 2002
Filed:
Nov. 12, 1998
Kaori Kondo, Yamato, JP;
Tetsuya Masuishi, Machida, JP;
Masasuke Tominaga, Sagamihara, JP;
Rie Kobayashi, Tokyo, JP;
Takashi Odajima, Yokoyama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In an electronic document circulating method of circulating an electronic document having a plurality of data blocks to a plurality of workers, a data block in a document is encrypted by using an encrypting key corresponding to a certain worker, and a document having the encrypted data block is transmitted and received over a network. A time necessary for encrypting and decrypting an electronic form may be reduced. The encrypted data block in the document is decrypted by using a decrypting key corresponding to a specific worker, and it is determined how to display the data block and execute a processing in response to whether or not the encrypted data block is decrypted correctly or the existence of the data block.