Inventor

Hideaki Sugiya

Inventor

Kawasaki, JP

Overview

1997–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 19 as inventor

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

H04Bprimary

H04BTransmission47%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light23%

H04JMultiplex communication20%

H04LTransmission of digital information, e.g. telegraphic communication7%

H03MCoding3%

PatentTitleYear

9,438,275'Transmission apparatus and transmission method'2016 9,419,709'Transmission device and method for measuring delay'2016 RE044881'Optical amplifier and an optical amplification method'2014 8,331,787'Optical transmitting apparatus and optical multiplexing unit'2012 8,195,052'Optical wavelength multiplexing system, optical wavelength multiplexing method, and computer product'2012 8,180,219'Providing signal reachability information to a network'2012 7,843,631'Gain control apparatus, optical transmission apparatus, gain control method for optical amplifier, and wavelength multiplex optical transmission system'2010 7,813,642'Optical transmission apparatus and method of controlling the same'2010 7,554,720'Optical transmission apparatus with automatic gain control and automatic level control mode selection'2009 7,551,857'Optical transmission system'2009 7,466,478'Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network'2008 7,430,372'Optical transmission system'2008 7,139,120'Optical amplifier with variable gain equalization'2006 6,373,624'Optical amplifier and an optical amplification method'2002 6,304,371'Optical amplifier and an optical amplification method'2001 6,118,576'Optical amplifier and an optical amplification method'2000 5,912,760'Light amplifier'1999 5,859,725'Optical power monitor and optical amplifier having the optical power monitor'1999 5,664,131'Light amplifier'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2016Patents assigned to FUJITSU LTD (19)· patent assignee history

1997–2014Based in Kawasaki, JP· patent location history

2009–2016Based in Fujisawa, JP· patent location history

2012–2014Patents assigned to SUGIYA HIDEAKI (4)· patent assignee history

2012Patents assigned to OHTOU MAKOTO (2)· patent assignee history

2012Patents assigned to BARDALAI SNIGDHO C (1)· patent assignee history

2012Patents assigned to DHILLON ABINDER S (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	19	1997–2016
SUGIYA HIDEAKIself	4	2012–2014
OHTOU MAKOTO	2	2012
BARDALAI SNIGDHO C	1	2012
DHILLON ABINDER S	1	2012

Locations

Location	Patents	Span
Kawasaki, JP	15	1997–2014
Fujisawa, JP	4	2009–2016