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Inventor

Tohru Umeno

Inventor
Tottori, JP

Overview

4→
Patents
1999–2013
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.

H01Fprimary
H01FMagnets38%
Y10TTechnical subjects covered by former us classification25%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
C04BLime, magnesia13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
PatentTitleYear
8,592,967'Semiconductor apparatus and power supply circuit'20138,004,381'Laminated device'20116,000,128'Process of producing a multi-layered printed-coil substrate'19995,952,909'Multi-layered printed-coil substrate, printed-coil substrates and printed-coil components'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to SUMITOMO SPEC METALS (2)· patent assignee history
1999Based in Osaka, JP· patent location history
2011–2013Patents assigned to HITACHI METALS LTD (2)· patent assignee history
2011–2013Based in Tottori, JP· patent location history
2013Patents assigned to UMENO TOHRU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI METALS LTD22011–2013
SUMITOMO SPEC METALS21999
UMENO TOHRUself12013
Locations
LocationPatentsSpan
Tottori, JP22011–2013
Osaka, JP21999