Inventor

Satoru Okano

Inventor

Sapporo, JP

Overview

1999–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 33 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary

H04BTransmission55%

H04JMultiplex communication29%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation5%

G02BOptical elements, systems or apparatus2%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%

PatentTitleYear

10,230,462Optical transmission characteristic measurement device and method2019 10,020,878Optical signal-to-noise ratio monitor and method for measuring optical signal to-noise ratio2018 9,813,183'Optical transmission device and optical transmission system'2017 9,698,902'Optical transmission system and optical transmission device'2017 9,673,929'Optical transmission apparatus and optical transmission system'2017 9,515,727'In-band optical signal-to-noise ratio monitor'2016 9,515,733'Mitigation of spectral offset in an optical filter'2016 9,391,421'Optical amplification apparatus, optical transmission apparatus, and optical transmission system'2016 9,270,369'Correction table for interferometric optical signal-to-noise ratio monitor'2016 9,112,605'Dual-polarization interferometric optical signal-to-noise ratio monitor'2015 9,077,475'Optical packet switching system and method for controlling the peak power'2015 8,615,167'WDM optical transmission system and control method thereof'2013 7,650,072'Method of upgrading optical node, and an optical node apparatus'2010 7,619,813'Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication system'2009 7,542,677'Dispersion compensation method in optical communication system having optical add drop multiplexing capability'2009 7,522,839'Method of upgrading optical node, and an optical node apparatus'2009 7,376,361'Optical transmission system and dispersion compensator'2008 7,274,878'Dispersion compensation method in optical communication system having optical add drop multiplexing capability'2007 7,263,296'Optical transmission system using in-line amplifiers'2007 7,116,918'Optical transmission system using in-line amplifiers'2006 7,116,913'Optical transmission system and dispersion compensator'2006 7,079,771'Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus'2006 7,068,876'Method and system for optical transmission adopting dispersion compensation'2006 7,006,769'Method for optical fiber communication, and device and system for use in carrying out the method'2006 6,823,141'Optical transmission system and dispersion compensator'2004 6,738,584'Method for optical fiber communication, and terminal device and system for use in carrying out the method'2004 6,570,691'Optical transmission system using in-line amplifiers'2003 6,496,288'Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus'2002 6,449,074'Optical transmission device and optical communication system'2002 6,295,147'Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus'2001 6,288,836'Optical amplifier and optical communication system having the optical amplifier'2001 6,038,063'Optical amplifier and optical transmission system including the optical amplifier'2000 5,877,881'Optical transmission system'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2019Patents assigned to FUJITSU LTD (33)· patent assignee history

1999–2008Based in Sapporo, JP· patent location history

2002–2015Based in Kawasaki, JP· patent location history

2007–2009Based in Hokkaido, JP· patent location history

2009–2019Based in Yokohama, JP· patent location history

2013–2015Patents assigned to OKANO SATORU (2)· patent assignee history

2013Patents assigned to FUJITA TAKEHIRO (1)· patent assignee history

2015Patents assigned to BATO KOJI (1)· patent assignee history

2015Patents assigned to FUJITSU TELECOM NETWORKS LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	33	1999–2019
OKANO SATORUself	2	2013–2015
BATO KOJI	1	2015
FUJITA TAKEHIRO	1	2013
FUJITSU TELECOM NETWORKS LTD	1	2015

Locations

Location	Patents	Span
Sapporo, JP	15	1999–2008
Yokohama, JP	11	2009–2019
Kawasaki, JP	5	2002–2015
Hokkaido, JP	2	2007–2009