Akira Sakurai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical cable and optical cable manufacturing method
- Patent number 11,921,341
- Issue date Mar 5, 2024
- Fujikura Ltd.
- Masatoshi Ohno
- G02 - OPTICS
Information Patent Grant
Closure with partition to facilitate draining flood water away from...
- Patent number 11,846,819
- Issue date Dec 19, 2023
- Nippon Telegraph and Telephone Corporation
- Akira Sakurai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Communication device, communication system, method for determining...
- Patent number 9,912,527
- Issue date Mar 6, 2018
- NEC Corporation
- Zhenlong Cui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diagnostic system
- Patent number 9,369,359
- Issue date Jun 14, 2016
- NEC Corporation
- Masaki Umayabashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission system, transmission device, packet loss ratio measure...
- Patent number 9,264,332
- Issue date Feb 16, 2016
- NEC Corporation
- Akira Sakurai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device, and signal degradation monitoring system and...
- Patent number 9,077,629
- Issue date Jul 7, 2015
- NEC Corporation
- Kohei Okazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 9,014,188
- Issue date Apr 21, 2015
- NEC Corporation
- Taiki Kanai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node, a monitoring management method used for a node, and a transfe...
- Patent number 8,897,308
- Issue date Nov 25, 2014
- NEC Corporation
- Zhenlong Cui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transfer device
- Patent number 8,837,506
- Issue date Sep 16, 2014
- NEC Corporation
- Atsuya Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication using MPLS-ARP messaging
- Patent number 8,737,401
- Issue date May 27, 2014
- NEC Corporation
- Zhenlong Cui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet transmission system and fault recovery method
- Patent number 8,711,686
- Issue date Apr 29, 2014
- NEC Corporation
- Kazuo Takagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projected image display unit
- Patent number 7,959,300
- Issue date Jun 14, 2011
- Ricoh Company, Ltd.
- Keiichiroh Hirahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Surface-emission laser diode operable in the wavelength band of 1.1...
- Patent number 7,590,159
- Issue date Sep 15, 2009
- Ricoh Company, Ltd.
- Naoto Jikutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-emission laser diode operable in the wavelength band of 1.1...
- Patent number 7,245,647
- Issue date Jul 17, 2007
- Ricoh Company, Ltd.
- Naoto Jikutani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surface-emission laser diode operable in the wavelength band of 1.1...
- Patent number 6,975,663
- Issue date Dec 13, 2005
- Ricoh Company, Ltd.
- Takuro Sekiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Facsimile apparatus which stores image data in a bulk storage device
- Patent number 5,237,430
- Issue date Aug 17, 1993
- Ricoh Company, Ltd.
- Akira Sakurai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Character recognition method and system capable of recognizing slan...
- Patent number 4,757,551
- Issue date Jul 12, 1988
- Ricoh Company, Ltd.
- Kiyohiko Kobayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Picture processing apparatus
- Patent number 4,533,959
- Issue date Aug 6, 1985
- Ricoh Company, Ltd.
- Akira Sakurai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Character data processing apparatus
- Patent number 4,516,262
- Issue date May 7, 1985
- Ricoh Company, Ltd.
- Akira Sakurai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER CABLE
- Publication number 20240329345
- Publication date Oct 3, 2024
- Sumitomo Electric Industries, Ltd.
- Yutaka HASHIMOTO
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CABLE, OPTICAL FIBER CABLE MANUFACTURING EQUIPMENT, O...
- Publication number 20240302620
- Publication date Sep 12, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi KIKUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL CABLE LAYING METHOD
- Publication number 20240288656
- Publication date Aug 29, 2024
- NIPPON TELEGRAPH AND TELEPONE CORPORATION
- Akira SAKURAI
- G02 - OPTICS
Information Patent Application
FIBER OPTIC CABLE
- Publication number 20240288647
- Publication date Aug 29, 2024
- Nippon Telegraph and Telephone Corporation
- Akira SAKURAI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CABLE AND OPTICAL FIBER CABLE MANUFACTURING EQUIPMENT
- Publication number 20240272394
- Publication date Aug 15, 2024
- Nippon Telegraph and Telephone Corporation
- Masashi KIKUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER TEST METHOD AND WRAPPING OPTICAL FIBER DEVICE
- Publication number 20240248001
- Publication date Jul 25, 2024
- Nippon Telegraph and Telephone Corporation
- Yusuke YAMADA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL FIBER CABLE
- Publication number 20240069297
- Publication date Feb 29, 2024
- Sumitomo Electric Industries, Ltd.
- Yutaka HASHIMOTO
- G02 - OPTICS
Information Patent Application
OPTICAL CABLE
- Publication number 20230333340
- Publication date Oct 19, 2023
- Nippon Telegraph and Telephone Corporation
- Yuta MARUO
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CABLE
- Publication number 20230314744
- Publication date Oct 5, 2023
- Nippon Telegraph and Telephone Corporation
- Yuta MARUO
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CABLE
- Publication number 20230314743
- Publication date Oct 5, 2023
- Nippon Telegraph and Telephone Corporation
- Yuta MARUO
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CABLE
- Publication number 20230273381
- Publication date Aug 31, 2023
- FUJIKURA LTD.
- Soichiro Kaneko
- G02 - OPTICS
Information Patent Application
CLOSURE
- Publication number 20230213724
- Publication date Jul 6, 2023
- Nippon Telegraph and Telephone Corporation
- Akira SAKURAI
- G02 - OPTICS
Information Patent Application
OPTICAL CABLE LAYING METHOD
- Publication number 20230204896
- Publication date Jun 29, 2023
- Nippon Telegraph and Telephone Corporation
- Yuta MARUO
- G02 - OPTICS
Information Patent Application
OPTICAL CABLE AND OPTICAL CABLE MANUFACTURING METHOD
- Publication number 20230152548
- Publication date May 18, 2023
- FUJIKURA LTD.
- Masatoshi Ohno
- G02 - OPTICS
Information Patent Application
OPTICAL CABLE LAYING METHOD
- Publication number 20230073123
- Publication date Mar 9, 2023
- Nippon Telegraph and Telephone Corporation
- Yusuke YAMADA
- G02 - OPTICS
Information Patent Application
FIBER OPTIC CABLE GRIPPING DEVICE
- Publication number 20230076354
- Publication date Mar 9, 2023
- Nippon Telegraph and Telephone Corporation
- Akira SAKURAI
- G02 - OPTICS
Information Patent Application
COMMUNICATION SYSTEM, CONTROL APPARATUS, COMMUNICATION APPARATUS, A...
- Publication number 20170078193
- Publication date Mar 16, 2017
- NEC Corporation
- Zhenlong CUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE, COMMUNICATION SYSTEM, METHOD FOR DETERMINING...
- Publication number 20150207673
- Publication date Jul 23, 2015
- NEC Corporation
- Zhenlong Cui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, TRANSMISSION APPARATUS, COMMUNICATION APPARAT...
- Publication number 20140347979
- Publication date Nov 27, 2014
- NEC Corporation
- Hiroshi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIAGNOSTIC SYSTEM
- Publication number 20140341044
- Publication date Nov 20, 2014
- NEC Corporation
- Masaki Umayabashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION SYSTEM, TRANSMISSION DEVICE, PACKET LOSS RATIO MEASURE...
- Publication number 20140146686
- Publication date May 29, 2014
- Akira Sakurai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE, AND SIGNAL DEGRADATION MONITORING SYSTEM AND...
- Publication number 20130121165
- Publication date May 16, 2013
- NEC Corporation
- Kohei Okazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NODE, A MONITORING MANAGEMENT METHOD USED FOR IT, AND A TRANSFER SY...
- Publication number 20120219003
- Publication date Aug 30, 2012
- NEC Corporation
- Zhenlong Cui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
A COMMUNICATION APPARATUS, A COMMUNICATION SYSTEM AND A COMMUNICATI...
- Publication number 20120189011
- Publication date Jul 26, 2012
- ZHENLONG CUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA TRANSFER DEVICE
- Publication number 20120093171
- Publication date Apr 19, 2012
- Atsuya Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PACKET TRANSMISSION SYSTEM AND FAULT RECOVERY METHOD
- Publication number 20120051214
- Publication date Mar 1, 2012
- KAZUO TAKAGI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20110244813
- Publication date Oct 6, 2011
- Taiki Kanai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE AND OPERATION MANAGEMENT METHOD
- Publication number 20090225660
- Publication date Sep 10, 2009
- AKIRA SAKURAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTED IMAGE DISPLAY UNIT
- Publication number 20090207383
- Publication date Aug 20, 2009
- Keiichiroh Hirahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE DISPLAYING APPARATUS, IMAGE DISPLAYING METHOD, AND COMMAND IN...
- Publication number 20090015553
- Publication date Jan 15, 2009
- Keiichiroh Hirahara
- G06 - COMPUTING CALCULATING COUNTING

Akira Sakurai

Person

Patents Grantslast 30 patents

Optical cable and optical cable manufacturing method

Closure with partition to facilitate draining flood water away from...

Communication device, communication system, method for determining...

Diagnostic system

Transmission system, transmission device, packet loss ratio measure...

Communication device, and signal degradation monitoring system and...

Communication system

Node, a monitoring management method used for a node, and a transfe...

Data transfer device

Communication using MPLS-ARP messaging

Packet transmission system and fault recovery method

Projected image display unit

Surface-emission laser diode operable in the wavelength band of 1.1...

Surface-emission laser diode operable in the wavelength band of 1.1...

Surface-emission laser diode operable in the wavelength band of 1.1...

Facsimile apparatus which stores image data in a bulk storage device

Character recognition method and system capable of recognizing slan...

Picture processing apparatus

Character data processing apparatus

Patents Applicationslast 30 patents

OPTICAL FIBER CABLE

OPTICAL FIBER CABLE, OPTICAL FIBER CABLE MANUFACTURING EQUIPMENT, O...

OPTICAL CABLE LAYING METHOD

FIBER OPTIC CABLE

OPTICAL FIBER CABLE AND OPTICAL FIBER CABLE MANUFACTURING EQUIPMENT

OPTICAL FIBER TEST METHOD AND WRAPPING OPTICAL FIBER DEVICE

OPTICAL FIBER CABLE

OPTICAL CABLE

OPTICAL FIBER CABLE

OPTICAL FIBER CABLE

OPTICAL FIBER CABLE

CLOSURE

OPTICAL CABLE LAYING METHOD

OPTICAL CABLE AND OPTICAL CABLE MANUFACTURING METHOD

OPTICAL CABLE LAYING METHOD

FIBER OPTIC CABLE GRIPPING DEVICE

COMMUNICATION SYSTEM, CONTROL APPARATUS, COMMUNICATION APPARATUS, A...

COMMUNICATION DEVICE, COMMUNICATION SYSTEM, METHOD FOR DETERMINING...

COMMUNICATION SYSTEM, TRANSMISSION APPARATUS, COMMUNICATION APPARAT...

DIAGNOSTIC SYSTEM

TRANSMISSION SYSTEM, TRANSMISSION DEVICE, PACKET LOSS RATIO MEASURE...

COMMUNICATION DEVICE, AND SIGNAL DEGRADATION MONITORING SYSTEM AND...

NODE, A MONITORING MANAGEMENT METHOD USED FOR IT, AND A TRANSFER SY...

A COMMUNICATION APPARATUS, A COMMUNICATION SYSTEM AND A COMMUNICATI...

DATA TRANSFER DEVICE

PACKET TRANSMISSION SYSTEM AND FAULT RECOVERY METHOD

COMMUNICATION SYSTEM

COMMUNICATION DEVICE AND OPERATION MANAGEMENT METHOD

PROJECTED IMAGE DISPLAY UNIT

IMAGE DISPLAYING APPARATUS, IMAGE DISPLAYING METHOD, AND COMMAND IN...