P

Inventor

WAKABAYASHI NORIAKI

JP17 patents
⚠️ This page may combine multiple inventors who share the name “WAKABAYASHI NORIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

16 patents
US4669073AMay 26, 1987

Optical disk drive apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD62 citations96
US5124625AJun 23, 1992

Position control system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations92
US5065263ANov 12, 1991

Track following transducer position control system for a disk storage drive system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US4091266AMay 23, 1978

Electrical circuit for controlling a temperature of a heating element

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD36 citations92
US4999558AMar 12, 1991

Position control system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations91
US4507598AMar 26, 1985

Two-axis positioning system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations91
US4504750AMar 12, 1985

Linear motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations90
US4725776AFeb 16, 1988

Magnetic position detector using a thin film magnetoresistor element inclined relative to a moving object

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations89
US4509001AApr 2, 1985

Brushless linear servomotor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations88
US4370577AJan 25, 1983

Linear motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations88
US5335123AAug 2, 1994

Apparatus and method for head-positioning on a rotatable recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations73
US5317468AMay 31, 1994

Magnetic disk having reserve servo sectors and plural reserve tracks

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations73
US5396380AMar 7, 1995

Resolution enhancement of absolute track position using iterative process and position bursts with track following capability

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations72
US5267144ANov 30, 1993

Access method of an actuator and control apparatus therefor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations72
US5206566AApr 27, 1993

Access method of actuator and control apparatus therefor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations72
US5402287AMar 28, 1995

Resolution enhancement of absolute track position using iterative process and position bursts

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations50

SEIKO EPSON CORP

1 patent