Inventor

Tokuei Aoki

Inventor

Miyagi, JP

Overview

1989

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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 bonds25%

G11BInformation storage based on relative movement between record carrier and transducer25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%

Y10TTechnical subjects covered by former us classification25%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to SONY CORP (1)· patent assignee history

1989Based in Miyagi, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	1	1989

Locations

Location	Patents	Span
Miyagi, JP	1	1989