Fukushi; Togo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Fukushi; Togo.The latest application filed is for "optical receiver, optical transmission system, and span-loss monitoring method".

Company Profile

0.7.7

Fukushi; Togo - Kawasaki JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical receiver, optical transmission system, and span-loss monitoring method Grant 9,148,218 - Fukushi September 29, 2	2015-09-29
Optical Receiver, Optical Transmission System, And Span-loss Monitoring Method App 20140086575 - Fukushi; Togo	2014-03-27
Optical signal detection method, and light receiving apparatus using the same Grant 8,260,152 - Fukushi , et al. September 4, 2	2012-09-04
Distributed Raman amplifying system, start-up method thereof, and optical device Grant 8,248,689 - Kondoh , et al. August 21, 2	2012-08-21
Raman amplifying device and control method Grant 8,139,285 - Onaka , et al. March 20, 2	2012-03-20
Raman amplification apparatus and distributed raman amplification system as well as starting up method for distributed raman amplification system Grant 8,054,538 - Noheji , et al. November 8, 2	2011-11-08
Optical amplification apparatus, optical communication apparatus, and optical communication method Grant 8,049,955 - Onaka , et al. November 1, 2	2011-11-01
Wavelength division multiplexing optical transmission system utilizing distributed raman amplification Grant 8,004,751 - Onaka , et al. August 23, 2	2011-08-23
Optical signal detection method, and light receiving apparatus using the same App 20090324218 - Fukushi; Togo ; et al.	2009-12-31
Raman Amplification Apparatus And Distributed Raman Amplification System As Well As Starting Up Method For Distributed Raman Amplification System App 20090213454 - Noheji; Kiyotoshi ; et al.	2009-08-27
Optical amplification apparatus, optical communication apparatus, and optical communication method App 20090195863 - Onaka; Miki ; et al.	2009-08-06
Distributed Raman Amplifying System, Start-up Method Thereof, And Optical Device App 20090195862 - KONDOH; Masanori ; et al.	2009-08-06
Raman Amplifying Device And Control Method App 20090190206 - ONAKA; Miki ; et al.	2009-07-30
Raman Amplifying Device And Control Method App 20090190205 - ONAKA; Miki ; et al.	2009-07-30

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