Akihiko Yamagata

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Integrated circuit device, information processing apparatus, memory...
- Patent number 10,929,565
- Issue date Feb 23, 2021
- Sony Corporation
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Circuit device and a communication apparatus
- Patent number 10,609,507
- Issue date Mar 31, 2020
- Sony Corporation
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC chip and information processing terminal
- Patent number RE47480
- Issue date Jul 2, 2019
- Sony Corporation
- Shigeru Arisawa
Information Patent Grant
Circuit device and a communication apparatus
- Patent number 9,628,936
- Issue date Apr 18, 2017
- Sony Corporation
- Akihiko Yamagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated circuit device, information processing apparatus, memory...
- Patent number 9,384,618
- Issue date Jul 5, 2016
- Sony Corporation
- Akihiko Yamagata
- G07 - CHECKING-DEVICES
Information Patent Grant
IC chip and information processing terminal
- Patent number RE45205
- Issue date Oct 28, 2014
- Sony Corporation
- Shigeru Arisawa
- 235 - Registers
Information Patent Grant
Circuit device and a communication apparatus
- Patent number 8,788,717
- Issue date Jul 22, 2014
- Sony Corporation
- Akihiko Yamagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Service providing method and integrated circuit
- Patent number 8,180,925
- Issue date May 15, 2012
- Sony Corporation
- Akihiko Yamagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chip for non-contact reader/writer having power-supply management f...
- Patent number 7,821,322
- Issue date Oct 26, 2010
- Sony Corporation
- Shigeru Arisawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Service providing method and integrated circuit
- Patent number 7,802,018
- Issue date Sep 21, 2010
- Sony Corporation
- Akihiko Yamagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Integrated circuit device, information processing apparatus, memory...
- Patent number 7,742,604
- Issue date Jun 22, 2010
- Sony Corporation
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Chip for non-contact reader/writer having power-supply management f...
- Patent number 7,554,383
- Issue date Jun 30, 2009
- Sony Corporation
- Shigeru Arisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Service providing method and integrated circuit
- Patent number 7,519,655
- Issue date Apr 14, 2009
- Sony Corporation
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Integrated circuit device, information processing apparatus, memory...
- Patent number 7,508,946
- Issue date Mar 24, 2009
- Sony Corporation
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC chip and information processing terminal
- Patent number 7,240,846
- Issue date Jul 10, 2007
- Sony Corporation
- Shigeru Arisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
IC card, information processing terminal, trilateral data communica...
- Patent number 7,188,777
- Issue date Mar 13, 2007
- Sony Corporation
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic circuit, modulation method, information processing devic...
- Patent number 7,092,682
- Issue date Aug 15, 2006
- Sony Corporation
- Tatsuo Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reader/writer device and automatic ticket gate including the same f...
- Patent number 7,004,399
- Issue date Feb 28, 2006
- Sony Corporation
- Tatsuo Maeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Pass-code identification device and pass-code identification method
- Patent number 6,932,269
- Issue date Aug 23, 2005
- Sony Corporation
- Masahiro Sueyoshi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND SYSTEM
- Publication number 20190363816
- Publication date Nov 28, 2019
- QUADRAC CO., LTD.
- Susumu Kusakabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CIRCUIT DEVICE AND A COMMUNICATION APPARATUS
- Publication number 20170180365
- Publication date Jun 22, 2017
- SONY CORPORATION
- Akihiko Yamagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTEGRATED CIRCUIT DEVICE, INFORMATION PROCESSING APPARATUS, MEMORY...
- Publication number 20160283730
- Publication date Sep 29, 2016
- SONY CORPORATION
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CIRCUIT DEVICE AND A COMMUNICATION APPARATUS
- Publication number 20140289865
- Publication date Sep 25, 2014
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CIRCUIT DEVICE AND A COMMUNICATION APPARATUS
- Publication number 20120210394
- Publication date Aug 16, 2012
- SONY CORPORATION
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SERVICE PROVIDING METHOD AND INTEGRATED CIRCUIT
- Publication number 20100275019
- Publication date Oct 28, 2010
- SONY CORPORATION
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTEGRATED CIRCUIT DEVICE, INFORMATION PROCESSING APPARATUS, MEMORY...
- Publication number 20100218262
- Publication date Aug 26, 2010
- SONY CORPORATION
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CHIP FOR NON-CONTACT READER/WRITER HAVING POWER-SUPPLY MANAGMENT FU...
- Publication number 20090237144
- Publication date Sep 24, 2009
- SONY CORPORATION
- Shigeru Arisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTEGRATED CIRCUIT DEVICE, INFORMATION PROCESSING APPARATUS, MEMORY...
- Publication number 20090173787
- Publication date Jul 9, 2009
- SONY CORPORATION
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SERVICE PROVIDING METHOD AND INTEGRATED CIRCUIT
- Publication number 20080281985
- Publication date Nov 13, 2008
- SONY CORPORATION
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Reader/writer device and automatic ticket checker for checking tick...
- Publication number 20050001026
- Publication date Jan 6, 2005
- Tatsuo Maeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic circuit, modulation method, information processing devic...
- Publication number 20040132417
- Publication date Jul 8, 2004
- SONY CORPORATION
- Tatsuo Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IC card, information processing terminal, and three-way data commun...
- Publication number 20040110533
- Publication date Jun 10, 2004
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Service providing method and integrated circuit
- Publication number 20040054710
- Publication date Mar 18, 2004
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Password identification apparatus and password identification method
- Publication number 20040046017
- Publication date Mar 11, 2004
- Masahiro Sueyoshi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Ic chip and information processing terminal
- Publication number 20040035930
- Publication date Feb 26, 2004
- Shigeru Arisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Integrated circuit device, information processing device, informati...
- Publication number 20030174839
- Publication date Sep 18, 2003
- Akihiko Yamagata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Chip for noncontact reader/writer having function for managing powe...
- Publication number 20030141989
- Publication date Jul 31, 2003
- Shigeru Arisawa
- G06 - COMPUTING CALCULATING COUNTING

Akihiko Yamagata

Person

Patents Grantslast 30 patents

Integrated circuit device, information processing apparatus, memory...

Circuit device and a communication apparatus

IC chip and information processing terminal

Circuit device and a communication apparatus

Integrated circuit device, information processing apparatus, memory...

IC chip and information processing terminal

Circuit device and a communication apparatus

Service providing method and integrated circuit

Chip for non-contact reader/writer having power-supply management f...

Service providing method and integrated circuit

Integrated circuit device, information processing apparatus, memory...

Chip for non-contact reader/writer having power-supply management f...

Service providing method and integrated circuit

Integrated circuit device, information processing apparatus, memory...

IC chip and information processing terminal

IC card, information processing terminal, trilateral data communica...

Electronic circuit, modulation method, information processing devic...

Reader/writer device and automatic ticket gate including the same f...

Pass-code identification device and pass-code identification method

Patents Applicationslast 30 patents

DEVICE AND SYSTEM

CIRCUIT DEVICE AND A COMMUNICATION APPARATUS

INTEGRATED CIRCUIT DEVICE, INFORMATION PROCESSING APPARATUS, MEMORY...

CIRCUIT DEVICE AND A COMMUNICATION APPARATUS

CIRCUIT DEVICE AND A COMMUNICATION APPARATUS

SERVICE PROVIDING METHOD AND INTEGRATED CIRCUIT

INTEGRATED CIRCUIT DEVICE, INFORMATION PROCESSING APPARATUS, MEMORY...

CHIP FOR NON-CONTACT READER/WRITER HAVING POWER-SUPPLY MANAGMENT FU...

INTEGRATED CIRCUIT DEVICE, INFORMATION PROCESSING APPARATUS, MEMORY...

SERVICE PROVIDING METHOD AND INTEGRATED CIRCUIT

Reader/writer device and automatic ticket checker for checking tick...

Electronic circuit, modulation method, information processing devic...

IC card, information processing terminal, and three-way data commun...

Service providing method and integrated circuit

Password identification apparatus and password identification method

Ic chip and information processing terminal

Integrated circuit device, information processing device, informati...

Chip for noncontact reader/writer having function for managing powe...