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Inventor

Katsumi Sugawa

Inventor
Fukuoka, JP

Overview

6→
Patents
2000–2014
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H04Jprimary
H04JMultiplex communication33%
H04BTransmission22%
G01MTesting static or dynamic balance of machines or structures11%
G06FElectric digital data processing11%
H04LTransmission of digital information, e.g. telegraphic communication11%
H04WWireless communication networks11%
PatentTitleYear
8,891,716'Node device and method for synchronizing clock times'20148,412,045'Propagation apparatus and dispersion value setting method'20138,195,052'Optical wavelength multiplexing system, optical wavelength multiplexing method, and computer product'20128,189,180'Optical fiber transmission line measurement apparatus and system'20127,733,467'Optical passive device product identification apparatus and connectivity determination apparatus'20106,041,062'High-speed synchronous multiplexing apparatus'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2014Patents assigned to FUJITSU LTD (6)· patent assignee history
2000–2013Based in Fukuoka, JP· patent location history
2012–2013Patents assigned to SUGAWA KATSUMI (3)· patent assignee history
2012Patents assigned to NAGAYOSHI TATSUO (2)· patent assignee history
2012Patents assigned to YAMAMOTO AKIRA (2)· patent assignee history
2012Patents assigned to ASAO TARO (1)· patent assignee history
2014Based in Miyaji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD62000–2014
SUGAWA KATSUMIself32012–2013
NAGAYOSHI TATSUO22012
YAMAMOTO AKIRA22012
ASAO TARO12012
Locations
LocationPatentsSpan
Fukuoka, JP52000–2013
Miyaji, JP12014