Inventor

Ryuichi Fujii

Inventor

Urawa, JP

Overview

1980–1994

Patent span

Chemistry

Primary field (CPC C)

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

H05Kprimary

H05KPrinted circuits25%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%

C08LCompositions of macromolecular compounds14%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%

C09JAdhesives7%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices7%

H01BCables7%

Y02PClimate change mitigation technologies in the production or processing of goods7%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to SOMAR MFG (1)· patent assignee history

1980Based in Soka, JP· patent location history

1991–1994Patents assigned to SOMAR CORP (8)· patent assignee history

1991–1994Based in Urawa, JP· patent location history

1991Based in Saitama, JP· patent location history

1993Based in Tokyo, JP· patent location history

1994Patents assigned to HITACHI LTD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations