Togo Fukushi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical receiver, optical transmission system, and span-loss monito...
- Patent number 9,148,218
- Issue date Sep 29, 2015
- Fujitsu Limited
- Togo Fukushi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal detection method, and light receiving apparatus usin...
- Patent number 8,260,152
- Issue date Sep 4, 2012
- Fujitsu Limited
- Togo Fukushi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Distributed Raman amplifying system, start-up method thereof, and o...
- Patent number 8,248,689
- Issue date Aug 21, 2012
- Fujitsu Limited
- Masanori Kondoh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Raman amplifying device and control method
- Patent number 8,139,285
- Issue date Mar 20, 2012
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplification apparatus and distributed raman amplification s...
- Patent number 8,054,538
- Issue date Nov 8, 2011
- Fujitsu Limited
- Kiyotoshi Noheji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplification apparatus, optical communication apparatus, a...
- Patent number 8,049,955
- Issue date Nov 1, 2011
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical transmission system utiliz...
- Patent number 8,004,751
- Issue date Aug 23, 2011
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL RECEIVER, OPTICAL TRANSMISSION SYSTEM, AND SPAN-LOSS MONITO...
- Publication number 20140086575
- Publication date Mar 27, 2014
- Fujitsu Limited
- Togo Fukushi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal detection method, and light receiving apparatus usin...
- Publication number 20090324218
- Publication date Dec 31, 2009
- FUJITSU LIMITED
- Togo Fukushi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAMAN AMPLIFICATION APPARATUS AND DISTRIBUTED RAMAN AMPLIFICATION S...
- Publication number 20090213454
- Publication date Aug 27, 2009
- FUJITSU LIMITED
- Kiyotoshi Noheji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISTRIBUTED RAMAN AMPLIFYING SYSTEM, START-UP METHOD THEREOF, AND O...
- Publication number 20090195862
- Publication date Aug 6, 2009
- FUJITSU LIMITED
- Masanori KONDOH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical amplification apparatus, optical communication apparatus, a...
- Publication number 20090195863
- Publication date Aug 6, 2009
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing optical transmission system utiliz...
- Publication number 20090190204
- Publication date Jul 30, 2009
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAMAN AMPLIFYING DEVICE AND CONTROL METHOD
- Publication number 20090190206
- Publication date Jul 30, 2009
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAMAN AMPLIFYING DEVICE AND CONTROL METHOD
- Publication number 20090190205
- Publication date Jul 30, 2009
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Togo Fukushi

Person

Patents Grantslast 30 patents

Optical receiver, optical transmission system, and span-loss monito...

Optical signal detection method, and light receiving apparatus usin...

Distributed Raman amplifying system, start-up method thereof, and o...

Raman amplifying device and control method

Raman amplification apparatus and distributed raman amplification s...

Optical amplification apparatus, optical communication apparatus, a...

Wavelength division multiplexing optical transmission system utiliz...

Patents Applicationslast 30 patents

OPTICAL RECEIVER, OPTICAL TRANSMISSION SYSTEM, AND SPAN-LOSS MONITO...

Optical signal detection method, and light receiving apparatus usin...

RAMAN AMPLIFICATION APPARATUS AND DISTRIBUTED RAMAN AMPLIFICATION S...

DISTRIBUTED RAMAN AMPLIFYING SYSTEM, START-UP METHOD THEREOF, AND O...

Optical amplification apparatus, optical communication apparatus, a...

Wavelength division multiplexing optical transmission system utiliz...

RAMAN AMPLIFYING DEVICE AND CONTROL METHOD

RAMAN AMPLIFYING DEVICE AND CONTROL METHOD