Yasuo Iijima

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Setting or changing an access condition for an access management ap...
- Patent number 7,296,289
- Issue date Nov 13, 2007
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Issuing customized IC cards of different types
- Patent number 5,959,276
- Issue date Sep 28, 1999
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File managing method requiring a change in key data and IC card dev...
- Patent number 5,929,428
- Issue date Jul 27, 1999
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transmission method of changing protocol and data processing appara...
- Patent number 5,748,915
- Issue date May 5, 1998
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data transmission apparatus selectively using two clock signals
- Patent number 5,712,881
- Issue date Jan 27, 1998
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memory card available for various formats
- Patent number 5,678,029
- Issue date Oct 14, 1997
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage apparatus having memory area with a predetermined logi...
- Patent number 5,644,750
- Issue date Jul 1, 1997
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Security for a data processing system having multiple distinct prog...
- Patent number 5,615,381
- Issue date Mar 25, 1997
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File management system for memory card
- Patent number 5,608,902
- Issue date Mar 4, 1997
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data transmission system using electronic apparatus having a plural...
- Patent number 5,581,708
- Issue date Dec 3, 1996
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File management apparatus for IC card
- Patent number 5,517,014
- Issue date May 14, 1996
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File management system for memory card
- Patent number 5,515,532
- Issue date May 7, 1996
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File management system with file-size flexibility
- Patent number 5,437,028
- Issue date Jul 25, 1995
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card processing system capable of determing send timing between...
- Patent number 5,414,835
- Issue date May 9, 1995
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable electronic apparatus
- Patent number 5,384,454
- Issue date Jan 24, 1995
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cipher communication system for transaction data
- Patent number 5,381,478
- Issue date Jan 10, 1995
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing system
- Patent number 5,369,760
- Issue date Nov 29, 1994
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable electric device
- Patent number 5,365,045
- Issue date Nov 15, 1994
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable electronic device supporting multi-protocols
- Patent number 5,349,649
- Issue date Sep 20, 1994
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable electronic device capable of selectively providing unused...
- Patent number 5,339,400
- Issue date Aug 16, 1994
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for mutually certifying an IC card and an IC card terminal
- Patent number 5,293,029
- Issue date Mar 8, 1994
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mutual authentication system and method which checks the authentici...
- Patent number 5,288,978
- Issue date Feb 22, 1994
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for allocating file space in memory of IC card
- Patent number 5,226,155
- Issue date Jul 6, 1993
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mutual authentication system
- Patent number 5,225,664
- Issue date Jul 6, 1993
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data communication system
- Patent number 5,202,922
- Issue date Apr 13, 1993
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for allocating file area in memory area of IC card
- Patent number 5,161,256
- Issue date Nov 3, 1992
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Processing system which transmits a predetermined error code upon d...
- Patent number 5,161,231
- Issue date Nov 3, 1992
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable electronic apparatus for writing and reading data to and f...
- Patent number 5,097,118
- Issue date Mar 17, 1992
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Portable electronic device with memory having data pointers and cir...
- Patent number 5,093,785
- Issue date Mar 3, 1992
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microcomputer incorporating memory
- Patent number 5,089,951
- Issue date Feb 18, 1992
- Kabushiki Kaisha Toshiba
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Setting or changing an access condition for an access management ap...
- Publication number 20040199788
- Publication date Oct 7, 2004
- KABUSHIKI KAISHA TOSHIBA
- Yasuo Iijima
- G06 - COMPUTING CALCULATING COUNTING

Yasuo Iijima

Person

Patents Grantslast 30 patents

Setting or changing an access condition for an access management ap...

Issuing customized IC cards of different types

File managing method requiring a change in key data and IC card dev...

Transmission method of changing protocol and data processing appara...

Data transmission apparatus selectively using two clock signals

Memory card available for various formats

Data storage apparatus having memory area with a predetermined logi...

Security for a data processing system having multiple distinct prog...

File management system for memory card

Data transmission system using electronic apparatus having a plural...

File management apparatus for IC card

File management system for memory card

File management system with file-size flexibility

IC card processing system capable of determing send timing between...

Portable electronic apparatus

Cipher communication system for transaction data

Data processing system

Portable electric device

Portable electronic device supporting multi-protocols

Portable electronic device capable of selectively providing unused...

System for mutually certifying an IC card and an IC card terminal

Mutual authentication system and method which checks the authentici...

Method and system for allocating file space in memory of IC card

Mutual authentication system

Data communication system

Method and system for allocating file area in memory area of IC card

Processing system which transmits a predetermined error code upon d...

Portable electronic apparatus for writing and reading data to and f...

Portable electronic device with memory having data pointers and cir...

Microcomputer incorporating memory

Patents Applicationslast 30 patents

Setting or changing an access condition for an access management ap...