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Inventor

Kazunari Tsubaki

Inventor
Kawasaki, JP

Overview

5→
Patents
1999–2009
Patent span
Electricity
Primary field (CPC H)

Patents· 5 as inventor

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

H04Bprimary
H04BTransmission33%
G05FSystems for regulating electric or magnetic variables22%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light22%
H03FAmplifiers22%
PatentTitleYear
7,499,212'Optical amplifier'20097,330,303'Wavelength division multiplexed optical amplifier'20086,534,997'Apparatus and a method for locating a fault of a transmission line'20036,528,981'Low-voltage current mirror circuit'20035,892,402'High precision current output circuit'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2009Patents assigned to FUJITSU LTD (5)· patent assignee history
1999–2009Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD51999–2009
Locations
LocationPatentsSpan
Kawasaki, JP51999–2009