Inventor
Sadao Maeyama
Inventor
Chiba, JP
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 4 | 1985–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 2 | 1998–2002 |
| Katsuura-gun, JP | 1 | 1986 |
| Urayasu, JP | 1 | 1985 |