Inventor

Yuji Arataki

Inventor
Tokyo, JP

Overview

14→
Patents
1993–2004
Patent span
Physics
Primary field (CPC G)

Patents· 14 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%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
6,771,569'Recording medium, editing method and editing apparatus'20046,567,349'Recording medium, editing method and editing apparatus'20036,256,274'Data erasure preventing method and circuit thereof and optical disc apparatus mounting the same'20016,052,346'Methods and apparatus for recording data on and deleting already recorded data from a recording medium'2000RE036218'Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance'19995,859,815'Apparatus and methods for minimizing non-recordable areas and numbers of parts per track on a digital recording medium'19995,831,955'Decoder/encoder capable of controlling data reading/writing operations to memory in response to first/second clocks, reproducing apparatus equipped with encoder/decoder, and recording apparatus equipped with encoder'19985,825,732'Rotation control circuit based on the mean value of run length code generation patterns reproducing apparatus equipped with the rotation control circuit'19985,774,434'Methods and apparatus for recording data on and deleting already recorded data from a recording medium'19985,740,140'Data reproducting apparatus with controlled comparator for reducing connection error of main data with corresponding absolute time data'19985,694,383'Decoder/encoder capable of controlling data reading/writing operations to memory in response to first/second clocks, reproducing apparatus equipped with encoder/decoder, and recording apparatus equipped with encoder'19975,596,558'Data reproducing apparatus with controlled comparator for reducing connection error of main data with corresponding error correction decoded data'19975,237,575'Error correction coded digital data reproducing apparatus'19935,214,631'Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2004Patents assigned to SONY CORP (14)· patent assignee history
1993–2004Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP141993–2004
Locations
LocationPatentsSpan
Tokyo, JP141993–2004