Shigeyuki Ito

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Biometric authentication apparatus, biometric authentication system...
- Patent number 8,094,890
- Issue date Jan 10, 2012
- Hitachi, Ltd.
- Makoto Aikawa
- G07 - CHECKING-DEVICES
Information Patent Grant
Certification method and device and certificate issuer system
- Patent number 7,317,546
- Issue date Jan 8, 2008
- Hitachi, Ltd.
- Tomomi Haruna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card information display device and IC card for use therewith
- Patent number 6,484,946
- Issue date Nov 26, 2002
- Hitachi, Ltd.
- Kenji Matsumoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Telephone used for electronic money card transaction and method of...
- Patent number 6,339,638
- Issue date Jan 15, 2002
- Hitachi, Ltd.
- Masayuki Ohki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Terminal for portable IC card
- Patent number 5,895,903
- Issue date Apr 20, 1999
- Hitachi, Ltd.
- Yuhei Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Noise elimination circuit for reproduction of audio signals in a ma...
- Patent number 4,843,488
- Issue date Jun 27, 1989
- Hitachi, Ltd.
- Yoshizumi Watatani
- G11 - INFORMATION STORAGE
Information Patent Grant
Audio signal recording and reproducing circuit
- Patent number 4,490,753
- Issue date Dec 25, 1984
- Hitachi, Ltd.
- Shigeyuki Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Modulator-demodulator for obtaining and demodulating frequency-modu...
- Patent number 4,481,546
- Issue date Nov 6, 1984
- Hitachi, Ltd.
- Shigeyuki Ito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video and sound signal recording and reproducing device
- Patent number 4,453,186
- Issue date Jun 5, 1984
- Hitachi, Ltd.
- Yoshizumi Watatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio signal muting circuit for magnetic recording and reproducing...
- Patent number 4,403,262
- Issue date Sep 6, 1983
- Hitachi, Ltd.
- Shigeyuki Ito
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SETTLEMENT TERMINAL AND IC CARD
- Publication number 20080180212
- Publication date Jul 31, 2008
- Makoto AIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Biometric Authentication Apparatus, Biometric Authentication System...
- Publication number 20080056544
- Publication date Mar 6, 2008
- Makoto Aikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multi-electronic money settlement-of-accounts vicarious execution s...
- Publication number 20030018577
- Publication date Jan 23, 2003
- Shinichiro Fukushima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IC CARD INFORMATION DISPLAY DEVICE AND IC CARD FOR USE THEREWITH
- Publication number 20020139861
- Publication date Oct 3, 2002
- KENJI MATSUMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Certification method and device and certificate issuer system
- Publication number 20020012133
- Publication date Jan 31, 2002
- Tomomi Haruna
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Digital information sales method
- Publication number 20010029491
- Publication date Oct 11, 2001
- Hitachi, Ltd.
- Koichi Yoneta
- G06 - COMPUTING CALCULATING COUNTING

Shigeyuki Ito

Person

Patents Grantslast 30 patents

Biometric authentication apparatus, biometric authentication system...

Certification method and device and certificate issuer system

IC card information display device and IC card for use therewith

Telephone used for electronic money card transaction and method of...

Terminal for portable IC card

Noise elimination circuit for reproduction of audio signals in a ma...

Audio signal recording and reproducing circuit

Modulator-demodulator for obtaining and demodulating frequency-modu...

Video and sound signal recording and reproducing device

Audio signal muting circuit for magnetic recording and reproducing...

Patents Applicationslast 30 patents

SETTLEMENT TERMINAL AND IC CARD

Biometric Authentication Apparatus, Biometric Authentication System...

Multi-electronic money settlement-of-accounts vicarious execution s...

IC CARD INFORMATION DISPLAY DEVICE AND IC CARD FOR USE THEREWITH

Certification method and device and certificate issuer system

Digital information sales method