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Inventor

Ikuo Ohta

Inventor
Tokyo, JP

Overview

3→
Patents
1997–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Bprimary
H04BTransmission60%
H01QAntennas, i.e. radio aerials20%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light20%
PatentTitleYear
6,377,390'Optical gain equalizer, and optical amplifier and wavelength-division multiplex transmitter both comprising the optical gain equalizer'20026,347,219'Transmission system, transmission/reception system, and local oscillator to be used in the same'20025,594,394'Antenna diversity switching device with switching circuits between the receiver terminal and each antenna'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2002Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
1997Based in Hirakata, JP· patent location history
2002Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history
2002Based in Tokyo, JP· patent location history
2002Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21997–2002
FURUKAWA ELECTRIC CO LTD12002
Locations
LocationPatentsSpan
Tokyo, JP12002
Osaka, JP12002
Hirakata, JP11997