Toshio Tokita

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Block encryption device using auxiliary conversion
- Patent number 7,864,950
- Issue date Jan 4, 2011
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Block cipher apparatus using auxiliary transformation
- Patent number 7,822,196
- Issue date Oct 26, 2010
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Block cipher apparatus using auxiliary transformation
- Patent number 7,760,870
- Issue date Jul 20, 2010
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Block cipher using auxiliary transformation
- Patent number 7,760,871
- Issue date Jul 20, 2010
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Block cipher apparatus using auxiliary transformation
- Patent number 7,697,684
- Issue date Apr 13, 2010
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for encryption, method and apparatus for decry...
- Patent number 7,184,549
- Issue date Feb 27, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Toru Sorimachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transformation apparatus and data transformation method
- Patent number 7,096,369
- Issue date Aug 22, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cipher processor, IC card and cipher processing method
- Patent number 6,466,669
- Issue date Oct 15, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transformation apparatus and data transformation method
- Patent number 6,415,030
- Issue date Jul 2, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transformation apparatus and data transformation method
- Patent number 6,201,869
- Issue date Mar 13, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error-correcting encoder, error-correcting decoder and data transmi...
- Patent number 5,912,905
- Issue date Jun 15, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Yasuyuki Sakai
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Error-correcting encoder, error-correcting decoder, and data transm...
- Patent number 5,699,368
- Issue date Dec 16, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Yasuyuki Sakai
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Block cipher apparatus using auxiliary transformation
- Publication number 20060050874
- Publication date Mar 9, 2006
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Block cipher apparatus using auxiliary transformation
- Publication number 20060050873
- Publication date Mar 9, 2006
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Block cipher apparatus using auxiliary transformation
- Publication number 20060050872
- Publication date Mar 9, 2006
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Block cipher apparatus using auxiliary transformation
- Publication number 20060045265
- Publication date Mar 2, 2006
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for encryption, method and apparatus for decry...
- Publication number 20020181709
- Publication date Dec 5, 2002
- Toru Sorimachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Block encryption device using auxiliary conversion
- Publication number 20020159599
- Publication date Oct 31, 2002
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data transformation apparatus and data transformation method
- Publication number 20020131589
- Publication date Sep 19, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data Transformation apparatus and data transformation method
- Publication number 20010000708
- Publication date May 3, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Mitsuru Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Toshio Tokita

Person

Patents Grantslast 30 patents

Block encryption device using auxiliary conversion

Block cipher apparatus using auxiliary transformation

Block cipher apparatus using auxiliary transformation

Block cipher using auxiliary transformation

Block cipher apparatus using auxiliary transformation

Method and apparatus for encryption, method and apparatus for decry...

Data transformation apparatus and data transformation method

Cipher processor, IC card and cipher processing method

Data transformation apparatus and data transformation method

Data transformation apparatus and data transformation method

Error-correcting encoder, error-correcting decoder and data transmi...

Error-correcting encoder, error-correcting decoder, and data transm...

Patents Applicationslast 30 patents

Block cipher apparatus using auxiliary transformation

Block cipher apparatus using auxiliary transformation

Block cipher apparatus using auxiliary transformation

Block cipher apparatus using auxiliary transformation

Method and apparatus for encryption, method and apparatus for decry...

Block encryption device using auxiliary conversion

Data transformation apparatus and data transformation method

Data Transformation apparatus and data transformation method