Inventor

Tetsuo Sakae

Inventor
Katsuta, JP

Overview

4→
Patents
1985–2002
Patent span
Electricity
Primary field (CPC H)

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 transducer38%
H04NPictorial communication, e.g. television38%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2002Patents assigned to HITACHI LTD (4)· patent assignee history
1985–2002Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41985–2002
Locations
LocationPatentsSpan
Katsuta, JP41985–2002