Shuzo Fujioka

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Microcomputer with nonvolatile memory protected against false erasi...
- Patent number 6,813,191
- Issue date Nov 2, 2004
- Renesas Technology Corp.
- Shuzo Fujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Microcomputer and method and apparatus for changing the contents of...
- Patent number 6,725,375
- Issue date Apr 20, 2004
- Renesas Technology Corp.
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microcomputer exchanging data with host computer
- Patent number 6,658,493
- Issue date Dec 2, 2003
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Random-number generating circuit, non-contact IC card having random...
- Patent number 6,480,869
- Issue date Nov 12, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Capacitor network
- Patent number 6,198,619
- Issue date Mar 6, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Recognition system and recognition method for non-contact IC cards
- Patent number 6,040,786
- Issue date Mar 21, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card with error processing unit for sense amplifiers
- Patent number 5,896,325
- Issue date Apr 20, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Antenna for non-contact IC card gate facility
- Patent number 5,837,982
- Issue date Nov 17, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication apparatus
- Patent number 5,796,943
- Issue date Aug 18, 1998
- Mitsubishi Electric Semiconductor Software Co., Ltd.
- Shuzo Fujioka
- G11 - INFORMATION STORAGE
Information Patent Grant
IC card, reader/writer
- Patent number 5,753,902
- Issue date May 19, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus for electromagnetic communication between a computer and...
- Patent number 5,727,230
- Issue date Mar 10, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card including a memory, a password collating means and an acces...
- Patent number 5,719,387
- Issue date Feb 17, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card
- Patent number 5,698,836
- Issue date Dec 16, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Noncontacting IC card system and gate facility and antenna mechanism
- Patent number 5,661,286
- Issue date Aug 26, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-contact IC card and non-contact IC card reader/writer
- Patent number 5,619,529
- Issue date Apr 8, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Noncontact card and card system
- Patent number 5,604,342
- Issue date Feb 18, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Level converter including wave-shaping circuit and emulator microco...
- Patent number 5,559,996
- Issue date Sep 24, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Mos capacitor, Vpp switch circuit, charge pump circuit, eeprom, mic...
- Patent number 5,530,274
- Issue date Jun 25, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
IC card for prevention of fraudulent use
- Patent number 5,286,962
- Issue date Feb 15, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for monitoring PROM access in a microcomputer
- Patent number 5,222,232
- Issue date Jun 22, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-contact IC card and method of using the same
- Patent number 5,220,158
- Issue date Jun 15, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-contact IC card
- Patent number 5,212,373
- Issue date May 18, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card with memory area protection based on address line restriction
- Patent number 5,206,938
- Issue date Apr 27, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memory device
- Patent number 5,056,089
- Issue date Oct 8, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Shigeru Furuta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microcomputer
- Patent number 5,047,924
- Issue date Sep 10, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Microprocessor having miswriting preventing function
- Patent number 5,036,460
- Issue date Jul 30, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card
- Patent number 5,019,970
- Issue date May 28, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Atsuo Yamaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card having system ROM selection inhibit
- Patent number 5,016,212
- Issue date May 14, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Atsuo Yamaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memory with function test of error detection/correction device
- Patent number 4,924,465
- Issue date May 8, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Toshiyuki Matsubara
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Information security microcomputer having an information securtiy f...
- Publication number 20040128523
- Publication date Jul 1, 2004
- RENESAS TECHNOLOGY CORP.
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Microcomputer with nonvolatile memory protected against false erasi...
- Publication number 20030169624
- Publication date Sep 11, 2003
- Shuzo Fujioka
- G11 - INFORMATION STORAGE
Information Patent Application
Information processing device
- Publication number 20030005321
- Publication date Jan 2, 2003
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Microcomputer and memory contents change in the microcomputer
- Publication number 20020013884
- Publication date Jan 31, 2002
- Shuzo Fujioka
- G06 - COMPUTING CALCULATING COUNTING

Shuzo Fujioka

Person

Patents Grantslast 30 patents

Microcomputer with nonvolatile memory protected against false erasi...

Microcomputer and method and apparatus for changing the contents of...

Microcomputer exchanging data with host computer

Random-number generating circuit, non-contact IC card having random...

Capacitor network

Recognition system and recognition method for non-contact IC cards

IC card with error processing unit for sense amplifiers

Antenna for non-contact IC card gate facility

Communication apparatus

IC card, reader/writer

Apparatus for electromagnetic communication between a computer and...

IC card including a memory, a password collating means and an acces...

IC card

Noncontacting IC card system and gate facility and antenna mechanism

Non-contact IC card and non-contact IC card reader/writer

Noncontact card and card system

Level converter including wave-shaping circuit and emulator microco...

Mos capacitor, Vpp switch circuit, charge pump circuit, eeprom, mic...

IC card for prevention of fraudulent use

Apparatus and method for monitoring PROM access in a microcomputer

Non-contact IC card and method of using the same

Non-contact IC card

IC card with memory area protection based on address line restriction

Memory device

Microcomputer

Microprocessor having miswriting preventing function

IC card

IC card having system ROM selection inhibit

Memory with function test of error detection/correction device

Patents Applicationslast 30 patents

Information security microcomputer having an information securtiy f...

Microcomputer with nonvolatile memory protected against false erasi...

Information processing device

Microcomputer and memory contents change in the microcomputer