Inventor

Kiyokazu Oiyama

Inventor
Miyagi, JP

Overview

4→
Patents
1987–1988
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer31%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds23%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests23%
Y10TTechnical subjects covered by former us classification23%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to SONY CORP (4)· patent assignee history
1987–1988Based in Miyagi, JP· patent location history
1988Patents assigned to SHINETSU CHEMICAL CO (1)· patent assignee history
1988Patents assigned to TOYO BOSEKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP41987–1988
SHINETSU CHEMICAL CO11988
TOYO BOSEKI11988
Locations
LocationPatentsSpan
Miyagi, JP41987–1988