Kenta TAKAHASHI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Key generation apparatus, key utilization apparatus, and key genera...
- Patent number 12,026,242
- Issue date Jul 2, 2024
- Hitachi, Ltd.
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer system, verification method of confidential information, a...
- Patent number 11,227,037
- Issue date Jan 18, 2022
- Hitachi, Ltd.
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Biometric signature system and biometric signature method
- Patent number 11,115,214
- Issue date Sep 7, 2021
- Hitachi, Ltd.
- Yosuke Kaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Work recording apparatus, system, program, and method preventing co...
- Patent number 11,100,234
- Issue date Aug 24, 2021
- Hitachi Systems, Ltd.
- Kentarou Oonishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signature verification system, signature verification method, and s...
- Patent number 11,018,876
- Issue date May 25, 2021
- Hitachi, Ltd.
- Yosuke Kaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Biometric signature system and biometric certificate registration m...
- Patent number 10,719,593
- Issue date Jul 21, 2020
- Hitachi, Ltd.
- Yosuke Kaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
1:N biometric authentication, encryption, signature system
- Patent number 10,680,808
- Issue date Jun 9, 2020
- Hitachi, Ltd.
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sequential biometric cryptosystem and sequential biometric cryptogr...
- Patent number 10,404,465
- Issue date Sep 3, 2019
- Hitachi, Ltd.
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Biometric signature system, signature verification method, registra...
- Patent number 10,057,068
- Issue date Aug 21, 2018
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signature generation and verification system and signature verifica...
- Patent number 9,565,023
- Issue date Feb 7, 2017
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ultrasonic testing method of wheel
- Patent number 9,341,598
- Issue date May 17, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Hitoshi Murakoshi
- G01 - MEASURING TESTING
Information Patent Grant
Information authentication method and information authentication sy...
- Patent number 9,106,636
- Issue date Aug 11, 2015
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Biometric authentication method and computer system
- Patent number 9,049,192
- Issue date Jun 2, 2015
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed processing of partitioned stream data including data el...
- Patent number 8,782,650
- Issue date Jul 15, 2014
- Hitachi, Ltd.
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Biometric authentication method and computer system
- Patent number 8,762,735
- Issue date Jun 24, 2014
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Biometric authentication method and computer system
- Patent number 8,612,770
- Issue date Dec 17, 2013
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Biometric authentication system, enrollment terminal, authenticatio...
- Patent number 8,443,201
- Issue date May 14, 2013
- Hitachi, Ltd.
- Kenta Takahashi
- G07 - CHECKING-DEVICES
Information Patent Grant
Biometric authentication system
- Patent number 8,437,511
- Issue date May 7, 2013
- Hitachi, Ltd.
- Takao Murakami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method of biometric authentication using multiple kinds...
- Patent number 8,433,922
- Issue date Apr 30, 2013
- Hitachi, Ltd.
- Yosuke Kaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for generating an encryption key using biometrics authentica...
- Patent number 8,417,960
- Issue date Apr 9, 2013
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Biometric authentication method and system
- Patent number 8,412,940
- Issue date Apr 2, 2013
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Biometric authentication method and computer system
- Patent number 8,356,183
- Issue date Jan 15, 2013
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Biometric authentication system, authentication client terminal, an...
- Patent number 8,340,361
- Issue date Dec 25, 2012
- Hitachi, Ltd.
- Takao Murakami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
User identification system and a method thereof
- Patent number 8,332,916
- Issue date Dec 11, 2012
- Hitachi, Ltd.
- Yoshiaki Isobe
- G07 - CHECKING-DEVICES
Information Patent Grant
Biometrics authentication method and client terminal and authentica...
- Patent number 8,320,640
- Issue date Nov 27, 2012
- Hitachi, Ltd.
- Shinji Hirata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method, system and program for authenticating a user by biometric i...
- Patent number 8,204,279
- Issue date Jun 19, 2012
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, system and program for authenticating a user by biometric i...
- Patent number 7,936,905
- Issue date May 3, 2011
- Hitachi, Ltd.
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, system and program for authenticating a user by biometric i...
- Patent number 7,840,034
- Issue date Nov 23, 2010
- Hitachi, Ltd.
- Kenta Takahashi
- G07 - CHECKING-DEVICES
Information Patent Grant
Computer system and the computer control method
- Patent number 7,613,680
- Issue date Nov 3, 2009
- Hitachi, Ltd.
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Unique code generating apparatus, method, program and recording medium
- Patent number 7,447,339
- Issue date Nov 4, 2008
- Hitachi, Ltd.
- Masahiro Mimura
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
DATA MANAGEMENT SYSTEM, DATA MANAGEMENT METHOD, AND NON-TRANSITORY...
- Publication number 20240259192
- Publication date Aug 1, 2024
- Hitachi, Ltd
- Kenta Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LEARNING SYSTEM AND LEARNING METHOD
- Publication number 20230419108
- Publication date Dec 28, 2023
- Hitachi, Ltd
- Yusei SUZUKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTHENTICATION APPARATUS AND AUTHENTICATION METHOD
- Publication number 20230327876
- Publication date Oct 12, 2023
- Hitachi, Ltd
- Yosuke KAGA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PARTICLE BEAM IRRADIATION SYSTEM, CONTROL METHOD FOR PARTICLE BEAM...
- Publication number 20230253175
- Publication date Aug 10, 2023
- Hitachi, Ltd
- Kenta TAKAHASHI
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
KEY GENERATION APPARATUS, KEY UTILIZATION APPARATUS, AND KEY GENERA...
- Publication number 20220405369
- Publication date Dec 22, 2022
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA MANAGEMENT SYSTEM, DATA MANAGEMENT METHOD, AND NON-TRANSITORY...
- Publication number 20220391518
- Publication date Dec 8, 2022
- Hitachi, Ltd
- Yukie MOTOMIYA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS
- Publication number 20210089346
- Publication date Mar 25, 2021
- Hitachi, Ltd.
- Manami SUZUKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TICKET DISPLAYING DEVICE, KEY DATA SERVER, AND TICKET DATA SERVER
- Publication number 20200265390
- Publication date Aug 20, 2020
- Dwango Co., Ltd.
- Nobuo KAWAKAMI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER SYSTEM, VERIFICATION METHOD OF CONFIDENTIAL INFORMATION, A...
- Publication number 20200019685
- Publication date Jan 16, 2020
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIOMETRIC SIGNATURE SYSTEM AND BIOMETRIC SIGNATURE METHOD
- Publication number 20200014540
- Publication date Jan 9, 2020
- Hitachi, Ltd
- Yosuke KAGA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNATURE VERIFICATION SYSTEM, SIGNATURE VERIFICATION METHOD, AND S...
- Publication number 20190238344
- Publication date Aug 1, 2019
- Hitachi, Ltd
- Yosuke KAGA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BIOMETRIC SIGNATURE SYSTEM AND BIOMETRIC CERTIFICATE REGISTRATION M...
- Publication number 20190042716
- Publication date Feb 7, 2019
- Hitachi, Ltd
- Yosuke KAGA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
1:N BIOMETRIC AUTHENTICATION, ENCRYPTION, SIGNATURE SYSTEM
- Publication number 20180241558
- Publication date Aug 23, 2018
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SEQUENTIAL BIOMETRIC CRYPTOSYSTEM AND SEQUENTIAL BIOMETRIC CRYPTOGR...
- Publication number 20170222809
- Publication date Aug 3, 2017
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Work Recording Apparatus, Work Recording System, Work Recording Pro...
- Publication number 20170124338
- Publication date May 4, 2017
- Hitachi Systems, Ltd.
- Kentarou OONISHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIOMETRIC SIGNATURE SYSTEM, SIGNATURE VERIFICATION METHOD, REGISTRA...
- Publication number 20160094348
- Publication date Mar 31, 2016
- Hitachi, Ltd
- Kenta TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BIOMETRIC AUTHENTICATION METHOD AND COMPUTER SYSTEM
- Publication number 20140281569
- Publication date Sep 18, 2014
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ULTRASONIC TESTING METHOD OF WHEEL
- Publication number 20140224024
- Publication date Aug 14, 2014
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Hitoshi Murakoshi
- G01 - MEASURING TESTING
Information Patent Application
BIOMETRIC AUTHENTICATION METHOD AND COMPUTER SYSTEM
- Publication number 20140082368
- Publication date Mar 20, 2014
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Signature Generation and Verification System and Signature Verifica...
- Publication number 20140019766
- Publication date Jan 16, 2014
- Kenta TAKAHASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HIGH SECURITY BIOMETRIC AUTHENTICATION SYSTEM
- Publication number 20140007210
- Publication date Jan 2, 2014
- Hitachi, Ltd
- TAKAO MURAKAMI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION AUTHENTICATION METHOD AND INFORMATION AUTHENTICATION SY...
- Publication number 20130212645
- Publication date Aug 15, 2013
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIOMETRIC AUTHENTICATION METHOD AND COMPUTER SYSTEM
- Publication number 20130111214
- Publication date May 2, 2013
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TEMPLATE DELIVERY TYPE CANCELABLE BIOMETRIC AUTHENTICATION SYSTEM A...
- Publication number 20130088327
- Publication date Apr 11, 2013
- Hitachi, Ltd
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HIGH-ACCURACY SIMILARITY SEARCH SYSTEM
- Publication number 20120221574
- Publication date Aug 30, 2012
- Hitachi, Ltd
- Takao Murakami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIOMETRIC AUTHENTICATION SYSTEM AND METHOD THEREFOR
- Publication number 20120005736
- Publication date Jan 5, 2012
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REGISTRATION METHOD OF BIOLOGIC INFORMATION, APPLICATION METHOD OF...
- Publication number 20110314285
- Publication date Dec 22, 2011
- Hitachi, Ltd.
- SHINJI HIRATA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD, SYSTEM AND PROGRAM FOR AUTHENTICATING A USER BY BIOMETRIC I...
- Publication number 20110200234
- Publication date Aug 18, 2011
- KENTA TAKAHASHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIOMETRIC AUTHENTICATION METHOD AND SYSTEM
- Publication number 20110185176
- Publication date Jul 28, 2011
- Hitachi, Ltd.
- Kenta Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BIOMETRIC AUTHENTICATION SYSTEM
- Publication number 20110182480
- Publication date Jul 28, 2011
- Hitachi, Ltd
- Takao MURAKAMI
- G06 - COMPUTING CALCULATING COUNTING

Kenta TAKAHASHI

Person

Patents Grantslast 30 patents

Key generation apparatus, key utilization apparatus, and key genera...

Computer system, verification method of confidential information, a...

Biometric signature system and biometric signature method

Work recording apparatus, system, program, and method preventing co...

Signature verification system, signature verification method, and s...

Biometric signature system and biometric certificate registration m...

1:N biometric authentication, encryption, signature system

Sequential biometric cryptosystem and sequential biometric cryptogr...

Biometric signature system, signature verification method, registra...

Signature generation and verification system and signature verifica...

Ultrasonic testing method of wheel

Information authentication method and information authentication sy...

Biometric authentication method and computer system

Distributed processing of partitioned stream data including data el...

Biometric authentication method and computer system

Biometric authentication method and computer system

Biometric authentication system, enrollment terminal, authenticatio...

Biometric authentication system

System and method of biometric authentication using multiple kinds...

Method for generating an encryption key using biometrics authentica...

Biometric authentication method and system

Biometric authentication method and computer system

Biometric authentication system, authentication client terminal, an...

User identification system and a method thereof

Biometrics authentication method and client terminal and authentica...

Method, system and program for authenticating a user by biometric i...

Method, system and program for authenticating a user by biometric i...

Method, system and program for authenticating a user by biometric i...

Computer system and the computer control method

Unique code generating apparatus, method, program and recording medium

Patents Applicationslast 30 patents

DATA MANAGEMENT SYSTEM, DATA MANAGEMENT METHOD, AND NON-TRANSITORY...

LEARNING SYSTEM AND LEARNING METHOD

AUTHENTICATION APPARATUS AND AUTHENTICATION METHOD

PARTICLE BEAM IRRADIATION SYSTEM, CONTROL METHOD FOR PARTICLE BEAM...

KEY GENERATION APPARATUS, KEY UTILIZATION APPARATUS, AND KEY GENERA...

DATA MANAGEMENT SYSTEM, DATA MANAGEMENT METHOD, AND NON-TRANSITORY...

INFORMATION PROCESSING APPARATUS

TICKET DISPLAYING DEVICE, KEY DATA SERVER, AND TICKET DATA SERVER

COMPUTER SYSTEM, VERIFICATION METHOD OF CONFIDENTIAL INFORMATION, A...

BIOMETRIC SIGNATURE SYSTEM AND BIOMETRIC SIGNATURE METHOD

SIGNATURE VERIFICATION SYSTEM, SIGNATURE VERIFICATION METHOD, AND S...

BIOMETRIC SIGNATURE SYSTEM AND BIOMETRIC CERTIFICATE REGISTRATION M...

1:N BIOMETRIC AUTHENTICATION, ENCRYPTION, SIGNATURE SYSTEM

SEQUENTIAL BIOMETRIC CRYPTOSYSTEM AND SEQUENTIAL BIOMETRIC CRYPTOGR...

Work Recording Apparatus, Work Recording System, Work Recording Pro...

BIOMETRIC SIGNATURE SYSTEM, SIGNATURE VERIFICATION METHOD, REGISTRA...

BIOMETRIC AUTHENTICATION METHOD AND COMPUTER SYSTEM

ULTRASONIC TESTING METHOD OF WHEEL

BIOMETRIC AUTHENTICATION METHOD AND COMPUTER SYSTEM

Signature Generation and Verification System and Signature Verifica...

HIGH SECURITY BIOMETRIC AUTHENTICATION SYSTEM

INFORMATION AUTHENTICATION METHOD AND INFORMATION AUTHENTICATION SY...

BIOMETRIC AUTHENTICATION METHOD AND COMPUTER SYSTEM

TEMPLATE DELIVERY TYPE CANCELABLE BIOMETRIC AUTHENTICATION SYSTEM A...

HIGH-ACCURACY SIMILARITY SEARCH SYSTEM

BIOMETRIC AUTHENTICATION SYSTEM AND METHOD THEREFOR

REGISTRATION METHOD OF BIOLOGIC INFORMATION, APPLICATION METHOD OF...

METHOD, SYSTEM AND PROGRAM FOR AUTHENTICATING A USER BY BIOMETRIC I...

BIOMETRIC AUTHENTICATION METHOD AND SYSTEM

BIOMETRIC AUTHENTICATION SYSTEM