Inventor
Kenichiro Urairi
Inventor
Yawata, 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 transducer86%
G02BOptical elements, systems or apparatus14%
PatentTitleYear
6,747,921'Apparatus for driving an objective lens utilizing flexible arms and pivotability mechanisms'20045,920,537'Correction element of lower light intensity around an optical axis of an optical head with a plurality of focal points'19995,912,868'Optical head for reproducing data from first and second optical disks'19995,754,512'Correction elements to lower light intensity around an optical axis of an optical head with a plurality of focal points'19985,703,856'Optical head and optical data recording and reproducing apparatus having the same'19975,416,640'Objective actuator'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2004Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (6)· patent assignee history
1995–2004Based in Yawata, 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 | 1995–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yawata, JP | 6 | 1995–2004 |