Inventor
Keiji Maruta
Inventor
Kanagawa, JP
Overview
Patents· 8 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 transducer50%
G02BOptical elements, systems or apparatus21%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for7%
B82YSpecific uses or applications of nanostructures7%
H04NPictorial communication, e.g. television7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
6,199,810'Flat-panel display assembly mountable in a vehicle'20015,056,075'Optical disk player with disk size and pickup location responsive skew servo control'19914,914,523'Optical disk apparatus compatible with different television system standards'19904,773,057'Apparatus for reproducing selectively loaded discs of different diameters'19884,751,694'Compact optical disk player including non-orthogonal optical paths'19884,571,026'Driving apparatus for an objective lens'19864,507,765'Optical track scanner'19854,449,213'Optical reading apparatus'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1991Patents assigned to SONY CORP (6)· patent assignee history
1984–1991Based in Kanagawa, JP· patent location history
1985Patents assigned to HINENO SATOSHI (1)· patent assignee history
1985Patents assigned to MARUTA KEIJI (1)· patent assignee history
1985Patents assigned to NOBORIMOTO KAZUTAKA (1)· patent assignee history
1985Based in Shinagawa-ku, JP· patent location history
1986Based in Yokohama, JP· patent location history
2001Patents assigned to SONY VIDEO TAIWAN CO LTD (1)· patent assignee history
2001Based in Taoyuan County, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 6 | 1984–1991 |
| HINENO SATOSHI | 1 | 1985 |
| MARUTA KEIJIself | 1 | 1985 |
| NOBORIMOTO KAZUTAKA | 1 | 1985 |
| SONY VIDEO TAIWAN CO LTD | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 5 | 1984–1991 |
| Taoyuan County, TW | 1 | 2001 |
| Yokohama, JP | 1 | 1986 |
| Shinagawa-ku, JP | 1 | 1985 |