Inventor
Tatsuko Shinozuka
Inventor
Hachioji, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission100%
PatentTitleYear
4,868,874'Echo canceller'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to HITACHI LTD (1)· patent assignee history
1989Based in Hachioji, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 1 | 1989 |