Inventor

Shoichi Iwanaga

Inventor
Yokohama, JP

Overview

12→
Patents
1984–2005
Patent span
Electricity
Primary field (CPC H)

Patents· 12 as inventor

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

H05Kprimary
H05KPrinted circuits19%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1019%
C03CChemical composition of glasses, glazes or vitreous enamels15%
G01NInvestigating or analysing materials by determining their chemical or physical properties15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C04BLime, magnesia7%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
G08BSignalling systems, e.g. personal calling systems4%
H01JElectric discharge tubes or discharge lamps4%
Y10TTechnical subjects covered by former us classification4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2000Patents assigned to HITACHI LTD (10)· patent assignee history
1984–2000Based in Yokohama, JP· patent location history
2003–2005Patents assigned to FUJITSU HITACHI PLASMA DISPLAY (2)· patent assignee history
2003Patents assigned to ASAHI GLASS CO LTD (1)· patent assignee history
2003Based in Kanagawa, JP· patent location history
2005Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD101984–2000
FUJITSU HITACHI PLASMA DISPLAY22003–2005
ASAHI GLASS CO LTD12003
Locations
LocationPatentsSpan
Yokohama, JP101984–2000
Kawasaki, JP12005
Kanagawa, JP12003