Haruki Tanaka

Person

Yokohama, 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 transmitting apparatus and optical multiplexing unit
- Patent number 8,331,787
- Issue date Dec 11, 2012
- Fujitsu Limited
- Takeshi Noma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transponder unit, transponder unit control apparatus, transponder u...
- Patent number 8,121,490
- Issue date Feb 21, 2012
- Fujitsu Limited
- Tomoyuki Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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-level control method, optical-level control apparatus and w...
- Patent number 7,466,478
- Issue date Dec 16, 2008
- Fujitsu Limited
- Takuji Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 7,430,372
- Issue date Sep 30, 2008
- Fujitsu Limited
- Mamoru Suematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

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
Optical transmitting apparatus and optical multiplexing unit
- Publication number 20090310969
- Publication date Dec 17, 2009
- FUJITSU LIMITED
- Takeshi NOMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSPONDER UNIT, TRANSPONDER UNIT CONTROL APPARATUS, TRANSPONDER U...
- Publication number 20080232806
- Publication date Sep 25, 2008
- FUJITSU LIMITED
- Tomoyuki SAKATA
- 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
Method and apparatus for controlling level of each signal included...
- Publication number 20070047960
- Publication date Mar 1, 2007
- FUJITSU LIMITED
- Takeshi Noma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20060188262
- Publication date Aug 24, 2006
- FUJITSU LIMITED
- Mamoru Suematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical-level control method, optical-level control apparatus and w...
- Publication number 20050168806
- Publication date Aug 4, 2005
- FUJITSU LIMITED
- Takuji Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Haruki Tanaka

Person

Patents Grantslast 30 patents

Optical transmission apparatus and level adjusting method

Optical transmitting apparatus and optical multiplexing unit

Transponder unit, transponder unit control apparatus, transponder u...

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

Optical-level control method, optical-level control apparatus and w...

Optical transmission system

Patents Applicationslast 30 patents

OPTICAL TRANSMISSION APPARATUS AND LEVEL ADJUSTING METHOD

Optical transmitting apparatus and optical multiplexing unit

TRANSPONDER UNIT, TRANSPONDER UNIT CONTROL APPARATUS, TRANSPONDER U...

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

Method and apparatus for controlling level of each signal included...

Optical transmission system

Optical-level control method, optical-level control apparatus and w...