| Patent | Date |
|---|
Method for producing MgB.sub.2 superconductor
Grant 7,541,313 - Kikuchi , et al. June 2, 2 | 2009-06-02 |
Setting or changing an access condition for an access management apparatus and method of a portable electronic device
Grant 7,296,289 - Iijima November 13, 2 | 2007-11-13 |
Method for producing mgb2 superconductor
App 20070004048 - Kikuchi; Akihiro ; et al. | 2007-01-04 |
Method for producing Nb.sub.3Al superconductive wire
Grant 7,134,181 - Inoue , et al. November 14, 2 | 2006-11-14 |
Process for producing nb3a1 superconductive wire rod and nb3a1 superconductive wire rod produced by the process
App 20050176587 - Inoue, Kiyoshi ; et al. | 2005-08-11 |
Nb3Ga multifilamentary superconducting wire and process for preparing the same
Grant 6,845,254 - Inoue , et al. January 18, 2 | 2005-01-18 |
Setting or changing an access condition for an access management apparatus and method of a portable electronic device
App 20040199788 - Iijima, Yasuo | 2004-10-07 |
Nb3Ga multifilamentary superconducting wire and process for preparing the same
App 20040028886 - Inoue, Kiyoshi ; et al. | 2004-02-12 |
Process for the production of Nb3A1 extra-fine multifilamentary superconducting wire
App 20020037816 - Kikuchi, Akihiro ; et al. | 2002-03-28 |
Issuing customized IC cards of different types
Grant 5,959,276 - Iijima September 28, 1 | 1999-09-28 |
File managing method requiring a change in key data and IC card device using the method
Grant 5,929,428 - Iijima July 27, 1 | 1999-07-27 |
High speed dynamic run-out testing apparatus and method
Grant 5,864,238 - Iijima , et al. January 26, 1 | 1999-01-26 |
Transmission method of changing protocol and data processing apparatus using this method
Grant 5,748,915 - Iijima May 5, 1 | 1998-05-05 |
Memory card available for various formats
Grant 5,678,029 - Iijima October 14, 1 | 1997-10-14 |
Data storage apparatus having memory area with a predetermined logic type
Grant 5,644,750 - Iijima July 1, 1 | 1997-07-01 |
Security for a data processing system having multiple distinct program instruction sections
Grant 5,615,381 - Iijima March 25, 1 | 1997-03-25 |
Data transmission system using electronic apparatus having a plurality of transmission protocols
Grant 5,581,708 - Iijima December 3, 1 | 1996-12-03 |
File management apparatus for IC card
Grant 5,517,014 - Iijima May 14, 1 | 1996-05-14 |
File management system for memory card
Grant 5,515,532 - Iijima May 7, 1 | 1996-05-07 |
IC card processing system capable of determing send timing between an IC card and an accepting device
Grant 5,414,835 - Iijima May 9, 1 | 1995-05-09 |
Portable electric device
Grant 5,365,045 - Iijima November 15, 1 | 1994-11-15 |
Portable electronic device supporting multi-protocols
Grant 5,349,649 - Iijima September 20, 1 | 1994-09-20 |
Portable electronic device capable of selectively providing unused area size of whole memory or memory segments to external device
Grant 5,339,400 - Iijima August 16, 1 | 1994-08-16 |
System for mutually certifying an IC card and an IC card terminal
Grant 5,293,029 - Iijima March 8, 1 | 1994-03-08 |
Mutual authentication system and method which checks the authenticity of a device before transmitting authentication data to the device
Grant 5,288,978 - Iijima February 22, 1 | 1994-02-22 |
Mutual authentication system
Grant 5,225,664 - Iijima July 6, 1 | 1993-07-06 |
Method and system for allocating file space in memory of IC card
Grant 5,226,155 - Iijima July 6, 1 | 1993-07-06 |
Data communication system
Grant 5,202,922 - Iijima April 13, 1 | 1993-04-13 |
Processing system which transmits a predetermined error code upon detection of an incorrect transmission code
Grant 5,161,231 - Iijima November 3, 1 | 1992-11-03 |
Method and system for allocating file area in memory area of IC card
Grant 5,161,256 - Iijima November 3, 1 | 1992-11-03 |
Portable electronic apparatus for writing and reading data to and from an external device and performing data memory allocation
Grant 5,097,118 - Iijima March 17, 1 | 1992-03-17 |
Portable electronic device with memory having data pointers and circuitry for determining whether a next unwritten memory location exist
Grant 5,093,785 - Iijima March 3, 1 | 1992-03-03 |
Microcomputer incorporating memory
Grant 5,089,951 - Iijima February 18, 1 | 1992-02-18 |
Portable electronic apparatus
Grant 4,988,855 - Iijima January 29, 1 | 1991-01-29 |
Portable electronic apparatus having key data for limiting memory access
Grant 4,985,615 - Iijima January 15, 1 | 1991-01-15 |
Portable electronic device
Grant 4,983,816 - Iijima January 8, 1 | 1991-01-08 |
Data string retrieval apparatus for IC card
Grant 4,967,391 - Iijima October 30, 1 | 1990-10-30 |
Processing system for enabling data communication with a self-diagnose device
Grant 4,939,353 - Iijima July 3, 1 | 1990-07-03 |
Portable electronic apparatus having a function of checking for empty areas in which to write data
Grant 4,901,276 - Iijima February 13, 1 | 1990-02-13 |
Portable electronic device with plural memory areas
Grant 4,887,234 - Iijima December 12, 1 | 1989-12-12 |
IC card having two output buffers
Grant 4,845,717 - Iijima July 4, 1 | 1989-07-04 |
Portable electronic apparatus with a device for determining data validity
Grant 4,839,792 - Iijima June 13, 1 | 1989-06-13 |
Portable electronic apparatus with data remaining counter
Grant 4,833,595 - Iijima May 23, 1 | 1989-05-23 |
Programmable portable electronic device
Grant 4,827,512 - Hirokawa , et al. May 2, 1 | 1989-05-02 |
Portable electronic device with garbage collection function
Grant 4,800,520 - Iijima January 24, 1 | 1989-01-24 |
Circuit with crosstalk elimination capability
Grant 4,293,739 - Iijima October 6, 1 | 1981-10-06 |
Magnetic recording medium
Grant 4,239,835 - Iijima , et al. December 16, 1 | 1980-12-16 |
Oil-impregnated polypropylene capacitor
Grant 4,068,286 - Iijima , et al. January 10, 1 | 1978-01-10 |
Oil impregnated electric device
Grant 4,053,941 - Shimizu , et al. October 11, 1 | 1977-10-11 |
Semiconductor Pressure Sensitive Transducer
Grant 3,757,173 - Iijima September 4, 1 | 1973-09-04 |
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