Inventor

GOTOH YASUHIRO

JP25 patents

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

GOTOH YASUHIRO

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

Optical recording/reproducing medium and apparatus using land and groove encoded information signals and identification signals including position information

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Optical recording apparatus employing stacked recording media with spiral grooves and floating optical heads

Optical information recording medium offset pre-pit array indicating identification information

Optical medium having a data pattern for detecting an upside-down insertion, and reproducing apparatus for use therewith

Optical recording medium permitting detection of identification signals in land areas and groove areas, optical information recording/reproducing apparatus and apparatus for producing an original disk for forming a disk substrate

Optical disc apparatus with tracking error compensation

Torque ripple compensation circuit for a brushless D.C. motor

Method and apparatus for detecting foreign body on object surface, and optical disk apparatus

Optical information recording medium and an optical information recording/reproduction device

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Apparatus and method for determining existence range of foreign substance

Optical system with tracking controller

Optical information recording and reproducing apparatus and method of recording and reproducing information in an optical disk unit

Memory cell, memory using the memory cell, memory cell manufacturing method, and memory recording/reading method

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

PANASONIC CORP

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

Optical recording/reproducing apparatus for optical disks with various disk substrate thickness

Optical recording/reproducing apparatus for optical disks with various disk substrate thicknesses

ROHM CO LTD

Pulse-width modulator and driving circuit