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Inventor

Eiji Nagata

Inventor
Yokohama, JP

Overview

9→
Patents
1988–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form16%
H05KPrinted circuits16%
Y10TTechnical subjects covered by former us classification16%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C25DProcesses for the electrolytic or electrophoretic production of coatings8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C23CCoating metallic material4%
G01RMeasuring electric variables4%
G06FElectric digital data processing4%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner4%
PatentTitleYear
9,949,371Resin composite electrolytic copper foil, copper clad laminate and printed wiring board20188,771,496'Process for producing metal composite film'20147,989,081'Resin composite copper foil, printed wiring board, and production processes thereof'20117,892,651'Resin composite metal foil, laminate and process for the production of printed wiring board using the laminate'20117,346,871'Method of estimating wiring complexity degree in semiconductor integrated circuit'20087,146,550'Isolation testing circuit and testing circuit optimization method'20066,882,175'Inter-block interface circuit and system LSI'20054,841,353'Transistor devices for microwave oscillator elements'19894,736,168'Dielectric resonator controlled oscillator having a raised frequency multiplying efficiency'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1989Patents assigned to NEC CORP (2)· patent assignee history
1988–1989Based in Tokyo, JP· patent location history
2005–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (3)· patent assignee history
2005–2008Based in Kawasaki, JP· patent location history
2006–2018Based in Kanagawa, JP· patent location history
2011–2018Patents assigned to MITSUBISHI GAS CHEMICAL CO (3)· patent assignee history
2011–2014Patents assigned to PI R & D CO LTD (3)· patent assignee history
2011–2014Based in Yokohama, JP· patent location history
2014Patents assigned to ISHII HIROYUKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD32005–2008
MITSUBISHI GAS CHEMICAL CO32011–2018
PI R & D CO LTD32011–2014
NEC CORP21988–1989
ISHII HIROYUKI12014
Locations
LocationPatentsSpan
Yokohama, JP32011–2014
Kanagawa, JP22006–2018
Kawasaki, JP22005–2008
Tokyo, JP21988–1989