Inventor
Seiichi Ohta
Inventor
Hyogo, 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 transducer38%
G01RMeasuring electric variables25%
H04NPictorial communication, e.g. television13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
9,664,733'Probe device for testing electrical characteristics of semiconductor element'20179,442,156'Alignment support device and alignment support method for probe device'20166,897,893'Image pickup device equipped with light emitter and image pickup method using the same'20055,249,177'Structure for preventing dislocation of a spring in an optical disk cartridge'19935,114,828'Optical information recording medium containing linear acrylic resin'19925,090,078'Optical disk storage container and cleaner'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1993Patents assigned to DAICEL CHEM (3)· patent assignee history
1992–1993Based in Hyogo, JP· patent location history
2005Patents assigned to CASIO COMPUTER CO LTD (1)· patent assignee history
2005Based in Ome, JP· patent location history
2016–2017Patents assigned to TOKYO SEIMITSU CO LTD (2)· patent assignee history
2016–2017Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAICEL CHEM | 3 | 1992–1993 |
| TOKYO SEIMITSU CO LTD | 2 | 2016–2017 |
| CASIO COMPUTER CO LTD | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hyogo, JP | 3 | 1992–1993 |
| Tokyo, JP | 2 | 2016–2017 |
| Ome, JP | 1 | 2005 |