Tokita; Toshio

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tokita; Toshio.The latest application filed is for "block cipher apparatus using auxiliary transformation".

Company Profile

0.8.8

Tokita; Toshio - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Block encryption device using auxiliary conversion Grant 7,864,950 - Matsui , et al. January 4, 2	2011-01-04
Block cipher apparatus using auxiliary transformation Grant 7,822,196 - Matsui , et al. October 26, 2	2010-10-26
Block cipher apparatus using auxiliary transformation Grant 7,760,870 - Matsui , et al. July 20, 2	2010-07-20
Block cipher using auxiliary transformation Grant 7,760,871 - Matsui , et al. July 20, 2	2010-07-20
Block cipher apparatus using auxiliary transformation Grant 7,697,684 - Matsui , et al. April 13, 2	2010-04-13
Method and apparatus for encryption, method and apparatus for decryption, and computer-readable medium storing program Grant 7,184,549 - Sorimachi , et al. February 27, 2	2007-02-27
Data transformation apparatus and data transformation method Grant 7,096,369 - Matsui , et al. August 22, 2	2006-08-22
Block cipher apparatus using auxiliary transformation App 20060050874 - Matsui; Mitsuru ; et al.	2006-03-09
Block cipher apparatus using auxiliary transformation App 20060050873 - Matsui; Mitsuru ; et al.	2006-03-09
Block cipher apparatus using auxiliary transformation App 20060050872 - Matsui; Mitsuru ; et al.	2006-03-09
Block cipher apparatus using auxiliary transformation App 20060045265 - Matsui; Mitsuru ; et al.	2006-03-02
Method and apparatus for encryption, method and apparatus for decryption, and computer-readable medium storing program App 20020181709 - Sorimachi, Toru ; et al.	2002-12-05
Block encryption device using auxiliary conversion App 20020159599 - Matsui, Mitsuru ; et al.	2002-10-31
Data transformation apparatus and data transformation method App 20020131589 - Matsui, Mitsuru ; et al.	2002-09-19
Data Transformation apparatus and data transformation method App 20010000708 - Matsui, Mitsuru ; et al.	2001-05-03
Error-correcting encoder, error-correcting decoder and data transmitting system with error-correcting codes Grant 5,912,905 - Sakai , et al. June 15, 1	1999-06-15

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