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Inventor

Matsuichi Yamada

Inventor
Tokyo, JP

Overview

4→
Patents
1982–1985
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H04Bprimary
H04BTransmission60%
H01QAntennas, i.e. radio aerials40%
PatentTitleYear
4,516,128'Beam waveguide feeder'19854,369,519'Cross polarization compensation system'19834,345,255'Antenna feed system'19824,310,813'Cross polarization compensating system'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1985Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (4)· patent assignee history
1982–1985Based in Tokyo, JP· patent location history
1982–1983Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOKUSAI DENSHIN DENWA CO LTD41982–1985
Locations
LocationPatentsSpan
Tokyo, JP21982–1985
Yokohama, JP21982–1983