Inventor

FURUKAWA SHIGEAKI

JP38 patents

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

FURUKAWA SHIGEAKI

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus therefor

Optical disk device and optical disk for recording and reproducing high-density signals

Optical recording medium, method for recording on optical record medium, and apparatus for recording on optical record medium

Optical information recording medium of phase change type having variably grooved tracks depending on their radial locations

Optical recording medium and production process for the medium

Optical recording method and optical recorder

Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus therefor

Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus therefore

Optical information recording medium and method of designing its structure

Method for optically recording information and device for optically recording information by the same

Initialization process for a phase change recording medium with a zero level drop in flash light emission

Optical information recording medium

Optical recording method and optical recording device

Optical recording method and optical recording device

Method of recording and erasing information in an erasible optical recording medium

Method for optically recording information and device for optically recording information by the same

Method and apparatus for recording/reproducing information with respect to optical recording medium

Optical information recording medium and its recording and reproducing method

Optical recording device for adjusting the rotation rate of recording medium during seeking operation

Method and apparatus for initializing optical recording medium

Optical information recording medium having protection layers with different properties on both sides of an optical active layer

Optical record medium

Optical recording medium and production process for the medium

Optical recording medium and reflecting film for use therein

Information recording medium

Substrate for optical recording medium, optical recording medium, master disc, master disc recording apparatus, and signal generating apparatus

Optical recording medium

Optical recording medium

Substrate for optical recording medium, optical recording medium, master disc, master disc recording apparatus, and signal generating apparatus

Method and apparatus for recording/reproducing information with respect to optical recording medium

Optical recording medium and recording/reproduction method and apparatus therefor

Information storage disk employing a reflective layer having good malleability

Optical recording medium with address information composed of pits

PANASONIC CORP

Optical information recording method, optical information recording device and optical information recording medium

Optical information recording method, optical information recording device and optical information recording medium

Optical information recording method, optical information recording device and optical information recording medium

Optical information recording method, optical information recording device, and optical information recording medium

MATSUSHITA ELECTRIC IND INC LT

Optical information recording medium and method of designing its structure