Inventor
Kouichi Igata
Inventor
Hirakata, JP
Overview
Patents· 6 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 transducer71%
H04NPictorial communication, e.g. television29%
PatentTitleYear
4,748,498'Luminance signal processing circuit with recursive filter for reducing noise while retaining a high vertical resolution'19884,635,137'Phase control system for a video tape recorder'19874,611,252'Video tape recorder'19864,600,952'Helical scan video tape recorder with auxiliary heads for blur free high speed reproduction pictures'19864,395,741'Positionable element driving circuit'19834,394,701'Recording time mode detector'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1988Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (6)· patent assignee history
1983–1988Based in Hirakata, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 6 | 1983–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hirakata, JP | 6 | 1983–1988 |