Inventor

Goro Tanaka

Inventor

Hitachi, JP

Overview

1976–2001

Patent span

Chemistry

Primary field (CPC C)

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form10%

B44CProducing decorative effects10%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%

C09KMaterials for miscellaneous applications, not provided for elsewhere10%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to HITACHI LTD (2)· patent assignee history

1976–1978Based in Hitachi, JP· patent location history

1978–1985Patents assigned to HITACHI CHEMICAL CO LTD (2)· patent assignee history

1985Based in Fujisawa, JP· patent location history

2001Patents assigned to SUMITOMO BAKELITE CO (1)· patent assignee history

2001Based in Fujieda, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations