Inventor

FURUMIYA SHIGERU

JP119 patents

⚠️ This page may combine multiple inventors who share the name “FURUMIYA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FURUMIYA SHIGERU

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical disk having wobble patterns

Method of recording and reproducing data on a disk

Apparatus for recording and reproducing data on a disk

Method and device for finding conditions on recording pulse of optical disk

Information recording method, information recording apparatus and information recording medium

Optical disk comprising a positional information section and a sync mark section each having a wobble pattern

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disc and physical address format

Optical disk having wobble patterns and block identification marks

Optical disk having sub-blocks and sub-block indentification marks

Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks and non-pit data

Optical information recording/reproducing device and method for recording, reproducing and erasing information on an optical information recording medium utilizing light beam radiation

Method of maximum likelihood decoding and digital information playback apparatus

Optical disk device with abnormal jump detection

Method and apparatus for determining recording pulse parameters for an optical disc

Optical disc and optical disc address reading apparatus and method

Method for recording/reproducing data on/from optical disk

Optical disc and optical disc address reading apparatus and method

Optical disk medium and method and apparatus for reading information

Optical disc playback and playback method

Optical information recording/reproducing method and optical information recording/reproducing apparatus

Laser diode driving circuit

Optical disk system

Laser power controller and optical disk device

Optical disk and recording/reproducing apparatus using multiple address block groups shifted oppositely with multiple address blocks

Method and apparatus for controlling a slice signal in the reproduction information recorded in an optical disk

Optical disk and optical disk reproduction apparatus

Light source apparatus and its control method

Method and apparatus for recording data on an optical disk and or groove

Optical disk medium and optical disk indentification method and optical disk device

Information reproducing apparatus

Optical disk having wobble patterns representing control information

Optical disk having wobble patterns representing control information

Optical disk having wobble patterns representing control information

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disk medium and method and apparatus for reading information

Optical disc and physical address format

Optical disc and physical address format

Optical disc and physical address format

Optical disc and physical address format

PANASONIC CORP

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disk medium and method and apparatus for reading information

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disk having wobble patterns representing control information

Recording medium, recording method, reproduction method, recording apparatus and reproduction apparatus

Optical disk medium

SONY CORP

Disc-shaped recording medium disc driving device and method and apparatus for producing disc

Disc driving device and wobble information detection method