Inventor

TAKASHI TERUMI

JP58 patents

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

TAKASHI TERUMI

HITACHI LTD

Signal processing apparatus and a data recording and reproducing apparatus including local memory processor

Method of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data area

Method and apparatus for liquid crystal display with intermediate tone

Performance evaluation method, performance evaluation system, and information storage apparatus using same

Decoding circuit and information processing apparatus

Information recording/reproduction method and apparatus using EPRML connection processing system using concatenated demodulators

Method of and apparatus for detecting phase

Liquid crystal display device

Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores

Reproduced signal processing method, reproduced signal processing circuit, and a magnetic storage apparatus

System for reproducing high-density magnetic record data with viterbi detector for generating quadripartite reproduction data

Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit

AD converter and magnetic recording/regenerating apparatus using thereof

Phase locked loop circuit with adjustable offset characteristic, method for adjustment and apparatus

Digital phase-looked loop circuit

Information recording/reproducing apparatus having a clock timing extraction circuit for extracting a clock signal from an input data signal

AGC circuit and recording and reproducing apparatus using AGC circuit

Multi-color display system

Apparatus for information recording and reproducing

Display panel driving apparatus

Phase lock loop system including a primary phase lock loop apparatus and a high order phase lock loop apparatus

Method and device for recording and reproducing data

Signal processing apparatus and a data recording and reproducing apparatus including local memory processor

Decoding circuit using path sequence including feed-back type path sequence storing blocks

Information recording/reproducing method and apparatus using EPRML connection processing system

Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit

Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores

Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores

Data recording/reproducing apparatus having viterbi decoder and method thereof

Liquid crystal display device

Matrix display apparatus and display data supply circuit for storing display data to be supplied to matrix display apparatus

Magnetic recording and reproducing apparatus and a read/write amplifier having a signal transmission system with high speed of data write signal

Digital phase-locked loop circuit

Ad converter and magnetic recording/regenerating apparatus using the same

Adaptive equalization circuit for magnetic recording apparatus having high error immunity

Half-tone representation system and controlling apparatus therefor

Data synchronizing signal detector, signal processing device using the detector, information recording and reproducing apparatus having the detector and the device, data synchronizing signal detecting method, and information recording medium for using in the method

Method and apparatus for liquid crystal display with intermediate tone

Information recording and reproducing apparatus

HITACHI GLOBAL STORAGE TECH

Disk drive with enhanced storage capacity increase ratio

Calibration of reader/writer offset in hard disk drive using shingled recording

Magnetic disk drive which accesses host RAM

Data synchronizing signal detector, signal processing device using the detector, information recording and reproducing apparatus having the detector and the device, data synchronizing signal detecting method, and information recording medium for using in the method

disk drive with side erase control

Apparatus for information recording and reproducing

Method for formatting data sectors on magnetic disk, and magnetic disk drive

Information read/write device

Signal processing method and signal processing circuit

Coding device and decoding device

WATANABE YOSHIJU

Disk drive including a host interface supporting different sizes of data sectors and method for writing data thereto