Inventor
Yuzuru Kuroki
Inventor
Toyonaka, JP
Overview
Patents· 30 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 transducer88%
H03MCoding6%
G06FElectric digital data processing3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
5,388,105'Method of recording/reproducing optical disk data'19955,359,584'Data recording/reproducing method and apparatus having means for reliable detection of unrecorded sectors'19945,214,635'Erasable optical disk and optical information recording/reproduction apparatus'19935,173,886'Composite optical disc having both a data read-only area and a data rewritable area, and a recording/reproducing system for use therewith'19925,077,720'Optical information recording and reproducing system and optical disk'19915,073,887'Optical disk recording and reading system with directory data access mechanism'19915,054,017'Optical information reproducing apparatus'19915,051,998'Data block deinterleaving and error correction system'19915,023,854'Disc having a data read-only area and a data recording arm and a recording reproducing system therefor'19914,986,668'Information recording and reproducing apparatus with management of defective sector'19914,969,139'Optical information recording and reproducing apparatus having an improved detection system for detecting fouling of a disk or an internal optical system'19904,964,094'Optical disk'19904,949,326'Optical information recording and reproducing system using optical disks having an error correction function'19904,939,713'Erasable optical disk and optical information recording/reproduction apparatus'19904,885,735'Information recording and reproducing apparatus with management of defective sector'19894,879,704'Optical disk, optical disk recording and reproducing apparatus and copy preventive method for optical disks'19894,833,663'Information recording/reproducing apparatus for handling defective sectors on an optical disk'19894,823,333'Optical disk duplicating apparatus using sector data identification information for controlling duplication'19894,821,254'Information recording and reproducing apparatus which detects deterioration of a medium in each sector before recording'19894,805,046'Information recording and reproducing apparatus using sectors divided into a plurality of frames and having means for proper storage of the frame data'19894,799,208'Optical recording and reproducing apparatus having erasing function with controllable erasing beam'19894,789,911'Information recording and reproducing apparatus'19884,789,974'Optical information recording/reproducing apparatus'19884,769,804'Optical data recording and reproducing apparatus with erase function diagnosis'19884,768,181'Apparatus for determining defective or non-used sectors of an optical dish'19884,759,006'Abnormal track skipping detection and control arrangement'19884,742,507'Optical information recording and reproducing apparatus having defective-sector marking means'19884,653,051'Apparatus for detecting and correcting errors on product codes'19874,630,140'Data recording/reproducing apparatus'19864,566,088'Optical and reversible recording and reproducing apparatus'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1995Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (30)· patent assignee history
1986–1988Based in Moriguchi, JP· patent location history
1986Based in Osaka, JP· patent location history
1988–1993Based in Toyonaka, JP· patent location history
1991–1995Based in Sapporo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 30 | 1986–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Toyonaka, JP | 19 | 1988–1993 |
| Sapporo, JP | 5 | 1991–1995 |
| Moriguchi, JP | 5 | 1986–1988 |
| Osaka, JP | 1 | 1986 |