Hitoshi Kokuryo

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
IC card and issuing apparatus allowing multiple applications
- Patent number 5,729,717
- Issue date Mar 17, 1998
- Kabushiki Kaisha Toshiba
- Masuo Tamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing device with high security of stored programs
- Patent number 4,879,645
- Issue date Nov 7, 1989
- Kabushiki Kaisha Toshiba
- Masuo Tamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing terminal device which stores a modified decrypted d...
- Patent number 4,771,460
- Issue date Sep 13, 1988
- Kabushiki Kaishia Toshiba
- Masuo Tamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Encrypting and decrypting device which stores an algorithm in a memory
- Patent number 4,757,543
- Issue date Jul 12, 1988
- Kabushiki Kaisha Toshiba
- Masuo Tamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing terminal device for storing encrypted journal data...
- Patent number 4,748,557
- Issue date May 31, 1988
- Kabushiki Kaisha Toshiba
- Masuo Tamada
- G06 - COMPUTING CALCULATING COUNTING