Inventor

Keiichi Naito

Inventor
Kanuma, JP

Overview

9→
Patents
1977–2009
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.

H05Kprimary
H05KPrinted circuits26%
Y10TTechnical subjects covered by former us classification17%
H01BCables13%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C09JAdhesives9%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08LCompositions of macromolecular compounds4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2009Patents assigned to SONY CORP (6)· patent assignee history
1977–1979Based in Utsunomiya, JP· patent location history
1982–2009Based in Kanuma, JP· patent location history
2003–2005Patents assigned to SONY CHEMICALS CORP (3)· patent assignee history
2009Patents assigned to SONY CHEM & INF DEVICE CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP61977–2009
SONY CHEMICALS CORP32003–2005
SONY CHEM & INF DEVICE CORP12009
Locations
LocationPatentsSpan
Kanuma, JP61982–2009
Utsunomiya, JP31977–1979