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Inventor

Tatsuya Nagatsu

Inventor
Minou, JP

Overview

4→
Patents
1998–2005
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.

H01Pprimary
H01PWaveguides38%
H01QAntennas, i.e. radio aerials38%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
6,970,140'Antenna apparatus and portable apparatus using the same'20055,937,509'Method of manufacturing linear-circular polarizer'19995,760,660'Orthogonal polarized wave branching filter and its manufacturing method'19985,724,050'Linear-circular polarizer having tapered polarization structures'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2005Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
1998–1999Based in Minou, JP· patent location history
1998Based in Osaka, JP· patent location history
2005Based in Gifu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41998–2005
Locations
LocationPatentsSpan
Minou, JP21998–1999
Gifu, JP12005
Osaka, JP11998