Inventor

Tokio Isogai

Inventor

Fujisawa, JP

Overview

1979–1987

Patent span

Chemistry

Primary field (CPC C)

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

C23Cprimary

C23CCoating metallic material10%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%

H01GCapacitors8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

C04BLime, magnesia6%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%

G01NInvestigating or analysing materials by determining their chemical or physical properties6%

H05KPrinted circuits6%

C03CChemical composition of glasses, glazes or vitreous enamels4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1979–1987Patents assigned to HITACHI LTD (21)· patent assignee history

1979–1987Based in Hitachi, JP· patent location history

1980–1986Based in Fujisawa, JP· patent location history

1983–1986Patents assigned to HITACHI CHEMICAL CO LTD (4)· patent assignee history

1984–1987Based in Katsuta, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	21	1979–1987
HITACHI CHEMICAL CO LTD	4	1983–1986

Locations