Kenichi Takahira

Person

Itami, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Modulation, demodulation and antenna coupling circuits used in IC c...
- Patent number 5,898,738
- Issue date Apr 27, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Yoshishige Nagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Modulation, demodulation and antenna coupling circuits used in IC c...
- Patent number 5,671,254
- Issue date Sep 23, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Yoshishige Nagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Noncontact IC card interface unit and communication system using th...
- Patent number 5,664,157
- Issue date Sep 2, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal receiving coil and non-contact type IC card using the same
- Patent number 5,424,527
- Issue date Jun 13, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-contact IC card
- Patent number 5,382,778
- Issue date Jan 17, 1995
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card and method of checking personal identification number of th...
- Patent number 5,367,149
- Issue date Nov 22, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Antenna circuit for non-contact IC card and method of manufacturing...
- Patent number 5,337,063
- Issue date Aug 9, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Non-contact IC card
- Patent number 5,321,240
- Issue date Jun 14, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
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
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 type information card and communication system
- Patent number 5,191,192
- Issue date Mar 2, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Low power consumption non-contact integrated circuit card
- Patent number 5,182,442
- Issue date Jan 26, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card
- Patent number 5,157,247
- Issue date Oct 20, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- 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
IC card and method of recording data therein
- Patent number 4,992,651
- Issue date Feb 12, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card with secure mass storage memory
- Patent number 4,960,982
- Issue date Oct 2, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card having internal error checking capability
- Patent number 4,930,129
- Issue date May 29, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- 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
Information Patent Grant
Device and method for effecting personal identification utilizing a...
- Patent number 4,912,308
- Issue date Mar 27, 1990
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card and system for checking the functionality thereof
- Patent number 4,777,355
- Issue date Oct 11, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Kenichi Takahira
- G06 - COMPUTING CALCULATING COUNTING

Kenichi Takahira

Person

Patents Grantslast 30 patents

Modulation, demodulation and antenna coupling circuits used in IC c...

Modulation, demodulation and antenna coupling circuits used in IC c...

Noncontact IC card interface unit and communication system using th...

Signal receiving coil and non-contact type IC card using the same

Non-contact IC card

IC card and method of checking personal identification number of th...

Antenna circuit for non-contact IC card and method of manufacturing...

Non-contact IC card

IC card for prevention of fraudulent use

Non-contact IC card and method of using the same

Non-contact type information card and communication system

Low power consumption non-contact integrated circuit card

IC card

Memory device

Microcomputer

Microprocessor having miswriting preventing function

IC card

IC card having system ROM selection inhibit

IC card and method of recording data therein

IC card with secure mass storage memory

IC card having internal error checking capability

Memory with function test of error detection/correction device

Device and method for effecting personal identification utilizing a...

IC card and system for checking the functionality thereof