Inventor
Hideaki Sadamatsu
Inventor
Hirakata, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television50%
H10DInorganic electric semiconductor devices20%
G01RMeasuring electric variables10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
PatentTitleYear
5,764,073'Method of estimating the reliability of module circuits'19985,391,944'Image-tone control circuit and gradient adjusting circuit therefor'19955,307,166'Automatic image-tone control circuit and method for controlling brightness of image'19945,299,008'Video tone correction control circuit'19945,262,862'Black level compensation circuit for a luminance signal'19935,237,195'Semiconductor integrated circuit arrangement for preventing latch up'19935,223,927'Image signal average picture level detecting apparatus'19934,536,950'Method for making semiconductor device'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1998Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (8)· patent assignee history
1985–1998Based in Hirakata, JP· patent location history
1993Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 8 | 1985–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hirakata, JP | 7 | 1985–1998 |
| Osaka, JP | 1 | 1993 |