Tatsuo Nagayoshi

Person

Ohnojyou, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transmission apparatus and level adjusting method
- Patent number 9,800,331
- Issue date Oct 24, 2017
- Fujitsu Limited
- Yuichi Toyota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength multiplexing system, optical wavelength multiple...
- Patent number 8,195,052
- Issue date Jun 5, 2012
- Fujitsu Limited
- Makoto Ohtou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber transmission line measurement apparatus and system
- Patent number 8,189,180
- Issue date May 29, 2012
- Fujitsu Limited
- Koji Bato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical passive device product identification apparatus and connect...
- Patent number 7,733,467
- Issue date Jun 8, 2010
- Fujitsu Limited
- Tatsuo Nagayoshi
- G01 - MEASURING TESTING
Information Patent Grant
Optical add/drop multiplexer, control method therefor and control p...
- Patent number 7,630,644
- Issue date Dec 8, 2009
- Fujitsu Limited
- Akira Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system with automatic signal level adjustment...
- Patent number 7,509,055
- Issue date Mar 24, 2009
- Fujitsu Limited
- Hiroaki Tomofuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system with automatic signal level adjustment...
- Patent number 7,343,102
- Issue date Mar 11, 2008
- Fujitsu Limited
- Hiroaki Tomofuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical transmission apparatus
- Patent number 6,868,200
- Issue date Mar 15, 2005
- Fujitsu Limited
- Koichi Kimotsuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION APPARATUS AND METHOD FOR CONFIRMING CONNECTION OF OPTI...
- Publication number 20170104530
- Publication date Apr 13, 2017
- Fujitsu Limited
- Hiroki Nagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND LEVEL ADJUSTING METHOD
- Publication number 20160315700
- Publication date Oct 27, 2016
- Fujitsu Limited
- Yuichi Toyota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL DEVICE FOR OPTICAL CHANNEL MONITOR, OPTICAL TRANSMISSION DE...
- Publication number 20140212133
- Publication date Jul 31, 2014
- Fujitsu Limited
- Masumi Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBER TRANSMISSION LINE MEASUREMENT APPARATUS AND SYSTEM
- Publication number 20100097601
- Publication date Apr 22, 2010
- FUJITSU LIMITED
- Koji Bato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PASSIVE DEVICE PRODUCT IDENTIFICATION APPARATUS AND CONNECT...
- Publication number 20080231843
- Publication date Sep 25, 2008
- FUJITSU LIMITED
- Tatsuo NAGAYOSHI
- G01 - MEASURING TESTING
Information Patent Application
Optical transmission system with automatic signal level adjustment...
- Publication number 20080159753
- Publication date Jul 3, 2008
- FUJITSU LIMITED
- Hiroaki Tomofuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical wavelength multiplexing system, optical wavelength multiple...
- Publication number 20080138074
- Publication date Jun 12, 2008
- FUJITSU LIMITED
- Makoto Ohtou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical add/drop multiplexer, control method therefor and control p...
- Publication number 20070133992
- Publication date Jun 14, 2007
- FUJITSU LIMITED
- Akira Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system with automatic signal level adjustment...
- Publication number 20050158057
- Publication date Jul 21, 2005
- FUJITSU LIMITED
- Hiroaki Tomofuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing optical transmission apparatus
- Publication number 20030026528
- Publication date Feb 6, 2003
- FUJITSU LIMITED
- Koichi Kimotsuki
- G02 - OPTICS

Tatsuo Nagayoshi

Person

Patents Grantslast 30 patents

Optical transmission apparatus and level adjusting method

Optical wavelength multiplexing system, optical wavelength multiple...

Optical fiber transmission line measurement apparatus and system

Optical passive device product identification apparatus and connect...

Optical add/drop multiplexer, control method therefor and control p...

Optical transmission system with automatic signal level adjustment...

Optical transmission system with automatic signal level adjustment...

Wavelength division multiplexing optical transmission apparatus

Patents Applicationslast 30 patents

TRANSMISSION APPARATUS AND METHOD FOR CONFIRMING CONNECTION OF OPTI...

OPTICAL TRANSMISSION APPARATUS AND LEVEL ADJUSTING METHOD

CONTROL DEVICE FOR OPTICAL CHANNEL MONITOR, OPTICAL TRANSMISSION DE...

OPTICAL FIBER TRANSMISSION LINE MEASUREMENT APPARATUS AND SYSTEM

OPTICAL PASSIVE DEVICE PRODUCT IDENTIFICATION APPARATUS AND CONNECT...

Optical transmission system with automatic signal level adjustment...

Optical wavelength multiplexing system, optical wavelength multiple...

Optical add/drop multiplexer, control method therefor and control p...

Optical transmission system with automatic signal level adjustment...

Wavelength division multiplexing optical transmission apparatus