P

Inventor

IGARASHI YOSHIAKI

JP58 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI YOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

26 patents
US5062696ANov 5, 1991

Camera apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD139 citations99
US4623930ANov 18, 1986

Camera apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD179 citations99
US6081087AJun 27, 2000

Motor control apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD122 citations97
US5652495AJul 29, 1997

Controller for permanent magnet synchronous motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD59 citations96
US5294991AMar 15, 1994

Camera apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD43 citations96
US5020890AJun 4, 1991

Camera apparatus with fluctuation suppressing means

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD34 citations96
US5701066ADec 23, 1997

Control system for an induction motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD77 citations94
US4713697ADec 15, 1987

Camera apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations93
US7298106B2Nov 20, 2007

Motor driving device and motor driving method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations92
US7122980B2Oct 17, 2006

Motor driving apparatus and motor driving method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations92
US5936378AAug 10, 1999

Motor controller

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD49 citations92
US5526045AJun 11, 1996

Camera apparatus which automatically corrects image fluctuations

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD44 citations92
US4633150ADec 30, 1986

Driving circuit for brushless DC motors

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD49 citations92
US6163912ADec 26, 2000

Washing machine

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD50 citations91
US5670854ASep 23, 1997

Control system for an induction motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations91
US4472666ASep 18, 1984

Brushless DC motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations89
US4404481ASep 13, 1983

Capacitance to voltage conversion apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations89
US7365506B2Apr 29, 2008

Motor driving device, motor driving method, and motor apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations84
US4856882AAug 15, 1989

Camera apparatus with means for suppressing fluctuations of the image

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82
US4211967AJul 8, 1980

Motor speed adjusting apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations82
US4484235ANov 20, 1984

Phase control circuit and magnetic reproducing apparatus using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations79
US4636696AJan 13, 1987

Servo system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US4344023AAug 10, 1982

Drive system for a brushless DC motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations73
US4035700AJul 12, 1977

Electronic control apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations72
US4393422AJul 12, 1983

Device for driving magnetic tape

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations71
US4105935AAug 8, 1978

Motor speed control apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations70

DAIICHI DENSHI KOGYO

8 patents

PRECISION FUKUHARA WORKS LTD

6 patents

BUNKER RAMO

3 patents

YOKOTA IND CO LTD

2 patents

HITACHI LTD

1 patent

WARNER LAMBERT CO

1 patent

MIZUKAMI SATOSHI

1 patent

FUKUHARA WORKS LTD

1 patent

HITACHI HIGH TECH CORP

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.