Inventor

MINEMURA HIROYUKI

JP229 patents

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

MINEMURA HIROYUKI

HITACHI LTD

Optical reproducing method

Information recording medium and method and apparatus for recording and reproducing information using the same

Data recording/reproducing method and apparatus using a recording medium having clock marks recorded in a wobbled track for read/write synchronization

Recording a mark with the rising and falling edges varied based on previously recorded control data

Optical reproduction apparatus for reproducing information from optical recording medium having wobbled address pits

Optical reproduction apparatus

Information recording medium with tracks having a groove structure having a fixed cycle of wobble

Information recording method and apparatus

Method and apparatus for recording and reproducing information using pseudo identification signal

Optical recording medium with address information prepit for the same track at opposite boundaries of the same track

Optical disk having wobbled information shared between tracks

Information recording method, information recording medium and information recording apparatus

Information recording medium and method and apparatus for recording and reproducing information using the same

Information recording medium having wobbled groves

Information recording medium having wobbled groove structure and plural zones

Optical recording/reproducing apparatus

Arrangements for using detected phase differences for setting laser power levels

Optical recording medium using land/groove recording

Optical recording medium having at least wobbled synchronous information shared between tracks

Optical recording medium using land/groove recording

Optical recording medium having a dummy area at leading and/or trailing positions of recording area

Phase changing recording medium with amorphous points each formed by a pair of high power and low recording pulses

High-speed two-dimensional electrostatic actuator

Object lens and optical head for reproducing data from optical disks in different thickness of substrate

Information read device and read signal processing circuit

Information recording method and optical disc apparatus

Information recording and reproducing method

Information recording medium and method for manufacturing information recording medium

Method and apparatus for recording information in which the average power of a pulse is adjusted according to control data

Trial writing method and optical disk system using the same

Information recording method, information recording medium, and information recording apparatus

Method of optical reproduction using pulsed light

Optical recording media and information recording and reproducing units

Optical disk memory and information processing apparatus

Optical memory and information processing apparatus

Information processing apparatus and optical head incorporated therein

Optical disk apparatus and optical head

Optical memory medium and its information recording and erasing method and apparatus

Optical element, optical disc and rotary encoder with the optical element

Intergrated optical head with flexible substrate portion

Optical disk apparatus

Optical recording medium having particular arrangement of prepits and manufacturing method thereof

Optical disk apparatus and playback signal processing method

Recording method and optical disk apparatus using the method

Method of evaluating a readout signal, and optical disc apparatus

Information reproduction apparatus and information reproduction method

Method for recording information, method for reproducing information, and information recording apparatus

HANZAWA SATORU

Semiconductor storage device with memory cell utilized as a set-dedicated memory cell

SASAGO YOSHITAKA

Semiconductor storage device

MINEMURA HIROYUKI

Semiconductor memory device