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Inventor

Hideji Kuwajima

Inventor
Hitachinaka, JP

Overview

14→
Patents
1979–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

H01Bprimary
H01BCables20%
Y10TTechnical subjects covered by former us classification18%
H05KPrinted circuits16%
B22FWorking metallic powder11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
C04BLime, magnesia4%
C08JWorking-up4%
C09JAdhesives4%
H10NElectric solid-state devices not otherwise provided for4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
PatentTitleYear
8,029,701'Mixed conductive powder and use thereof'20117,790,063'Mixed conductive power and use thereof'20107,718,090'Conductive paste'20107,294,289'Conductive powder and method for preparing the same'20077,083,859'Conductive powder and method for preparing the same'20066,515,237'Through-hole wiring board'20036,042,933'Electric circuit device having circuit conductors using an electroconductive paste'20005,951,918'Composite electroconductive powder, electroconductive paste, process for producing electroconductive paste, electric circuit and process for producing electric circuit'19995,840,432'Electroconductive paste'19985,194,421'Bi-Pb-Sr-Mg-Ba-Ca-Cu-O oxide superconductors and production thereof'19935,147,851'Superconducting thick film circuit board, production thereof, thick film superconductor and production thereof'19924,576,856'Reconstituted mica materials, reconstituted mica prepreg materials, reconstituted mica products and insulated coils'19864,491,618'Reconstituted mica materials, reconstituted mica prepreg materials, reconstituted mica products and insulated coils'19854,165,839'Method for disintegrating mica flakes and apparatus used therefor'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2011Patents assigned to HITACHI CHEMICAL CO LTD (14)· patent assignee history
1979–1986Based in Hitachi, JP· patent location history
1992–1993Based in Katsuta, JP· patent location history
1998–2000Patents assigned to TECHNOPOLIS HAKODATE IND TECHN (2)· patent assignee history
1998–2011Based in Hitachinaka, JP· patent location history
2010Based in Chikusei, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CHEMICAL CO LTD141979–2011
TECHNOPOLIS HAKODATE IND TECHN21998–2000
Locations
LocationPatentsSpan
Hitachinaka, JP81998–2011
Hitachi, JP31979–1986
Katsuta, JP21992–1993
Chikusei, JP12010