Inventor

Sadao Maeyama

Inventor
Chiba, 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.

H04Nprimary
H04NPictorial communication, e.g. television60%
B41JTypewriters40%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2002Patents assigned to SONY CORP (4)· patent assignee history
1985Based in Urayasu, JP· patent location history
1986Based in Katsuura-gun, JP· patent location history
1998–2002Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP41985–2002
Locations
LocationPatentsSpan
Chiba, JP21998–2002
Katsuura-gun, JP11986
Urayasu, JP11985