Shigeki AISAWA

Person

Yokosuka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical modulator driver circuit and optical transmitter
- Patent number 10,243,664
- Issue date Mar 26, 2019
- Nippon Telegraph and Telephone Corporation
- Munehiko Nagatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transport apparatus and transport method
- Patent number 10,122,462
- Issue date Nov 6, 2018
- Nippon Telegraph and Telephone Corporation
- Takuya Ohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Client signal mapping circuit and mapping method
- Patent number 9,438,365
- Issue date Sep 6, 2016
- Nippon Telegraph and Telephone Corporation
- Masahiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Client signal mapping circuit and mapping method
- Patent number 9,160,479
- Issue date Oct 13, 2015
- Nippon Telegraph and Telephone Corporation
- Masahiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Client signal accommodating multiplexing apparatus and method
- Patent number 8,977,120
- Issue date Mar 10, 2015
- Nippon Telegraph and Telephone Corporation
- Takuya Ohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical digital transmission system
- Patent number 8,571,037
- Issue date Oct 29, 2013
- Nippon Telegraph and Telephone Corporation
- Shigeki Aisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital transmission system and digital transmission method
- Patent number 8,514,881
- Issue date Aug 20, 2013
- Nippon Telegraph and Telephone Corporation
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and method
- Patent number 8,135,285
- Issue date Mar 13, 2012
- NTT Electronics Corporation
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplexing transmission system and multiplexing transmission method
- Patent number 7,970,008
- Issue date Jun 28, 2011
- Nippon Telegraph and Telephone Corporation
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplex optical transmission system
- Patent number 7,003,226
- Issue date Feb 21, 2006
- Nippon Telegraph and Telephone Corporation
- Tadashi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical transmission system
- Patent number 6,490,064
- Issue date Dec 3, 2002
- Nippon Telegraph and Telephone Corporation
- Tadashi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSPORT APPARATUS AND TRANSPORT METHOD
- Publication number 20170111116
- Publication date Apr 20, 2017
- Nippon Telegraph and Telephone Corporation
- Takuya OHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Modulator Driver Circuit and Optical Transmitter
- Publication number 20160087727
- Publication date Mar 24, 2016
- Nippon Telegraph and Telephone Corporation
- Munehiko Nagatani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLIENT SIGNAL MAPPING CIRCUIT AND MAPPING METHOD
- Publication number 20130259481
- Publication date Oct 3, 2013
- Nippon Telegraph and Telephone Corporation
- Masahiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLIENT SIGNAL ACCOMMODATING MULTIPLEXING APPARATUS AND METHOD
- Publication number 20130004168
- Publication date Jan 3, 2013
- Fujitsu Limited
- Takuya Ohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DIGITAL TRANSMISSION SYSTEM
- Publication number 20110262136
- Publication date Oct 27, 2011
- NTT ELECTRONICS CORPORATION
- Shigeki Aisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLEXING TRANSMISSION SYSTEM AND MULTIPLEXING TRANSMISSION METHOD
- Publication number 20100177785
- Publication date Jul 15, 2010
- Nippon Telegraph and Telephone Corporation
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL TRANSMISSION SYSTEM AND DIGITAL TRANSMISSION METHOD
- Publication number 20100080245
- Publication date Apr 1, 2010
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND METHOD
- Publication number 20090162061
- Publication date Jun 25, 2009
- Yoshiaki Kisaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiplexing relay transmission device
- Publication number 20040114638
- Publication date Jun 17, 2004
- Akihiko Matsuura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplex optical transmission system
- Publication number 20020067525
- Publication date Jun 6, 2002
- Tadashi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Shigeki AISAWA

Person

Patents Grantslast 30 patents

Optical modulator driver circuit and optical transmitter

Transport apparatus and transport method

Client signal mapping circuit and mapping method

Client signal mapping circuit and mapping method

Client signal accommodating multiplexing apparatus and method

Optical digital transmission system

Digital transmission system and digital transmission method

Optical transmission system and method

Multiplexing transmission system and multiplexing transmission method

Wavelength division multiplex optical transmission system

Wavelength division multiplexing optical transmission system

Patents Applicationslast 30 patents

TRANSPORT APPARATUS AND TRANSPORT METHOD

Optical Modulator Driver Circuit and Optical Transmitter

CLIENT SIGNAL MAPPING CIRCUIT AND MAPPING METHOD

CLIENT SIGNAL ACCOMMODATING MULTIPLEXING APPARATUS AND METHOD

OPTICAL DIGITAL TRANSMISSION SYSTEM

MULTIPLEXING TRANSMISSION SYSTEM AND MULTIPLEXING TRANSMISSION METHOD

DIGITAL TRANSMISSION SYSTEM AND DIGITAL TRANSMISSION METHOD

OPTICAL TRANSMISSION SYSTEM AND METHOD

Multiplexing relay transmission device

Wavelength division multiplex optical transmission system