P

Inventor

KATAYAMA HIROSHI

JP133 patents
⚠️ This page may combine multiple inventors who share the name “KATAYAMA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

24 patents
US6009370ADec 28, 1999

Control unit for vehicle and total control system therefor

HITACHI LTD98 citations99
US5794165AAug 11, 1998

Control unit for vehicle and total control system therefor

HITACHI LTD131 citations99
US6696812B2Feb 24, 2004

Control apparatus for electric motor

HITACHI LTD54 citations96
US5925087AJul 20, 1999

Method and apparatus for eliminating noise in a slope estimation arrangement for a motor vehicle

HITACHI LTD71 citations96
US5638272AJun 10, 1997

Control unit for vehicle and total control system therefor

HITACHI LTD86 citations96
US5490064AFeb 6, 1996

Control unit for vehicle and total control system therefor

HITACHI LTD60 citations96
US4672253AJun 9, 1987

Permanent magnet electrical machine with reduced cogging

HITACHI LTD150 citations96
US6373219B1Apr 16, 2002

Motor control system and motor control method

HITACHI LTD26 citations93
US7561448B2Jul 14, 2009

Power inverter

HITACHI LTD37 citations92
US6914408B2Jul 5, 2005

Motor control apparatus and electric vehicle using same

HITACHI LTD19 citations92
US6591167B1Jul 8, 2003

Control unit for vehicle and total control system therefor

HITACHI LTD14 citations92
US6240340B1May 29, 2001

Control unit for vehicle and total control system therefor

HITACHI LTD17 citations92
US5968100AOct 19, 1999

Vehicle control method and system therefor

HITACHI LTD31 citations92
US5432644AJul 11, 1995

Disk drive unit having motor components in a compact arrangement

HITACHI LTD48 citations92
US5298841AMar 29, 1994

Apparatus for controlling the speed of a moving object

HITACHI LTD26 citations92
US5023924AJun 11, 1991

Speed control apparatus for movable equipment

HITACHI LTD41 citations92
US4980617ADec 25, 1990

Speed control apparatus of movable equipment

HITACHI LTD34 citations90
US4918346AApr 17, 1990

Low ripple-torque permanent magnet brushless motor

HITACHI LTD23 citations90
US6548919B2Apr 15, 2003

Linear motor

HITACHI LTD20 citations84
US5175479ADec 29, 1992

Moving body position control apparatus and signal reproducing apparatus

HITACHI LTD20 citations82
US4914361AApr 3, 1990

Method and apparatus for controlling the speed of moving body

HITACHI LTD19 citations82
US7130723B2Oct 31, 2006

Control unit for vehicle and total control system therefor

HITACHI LTD8 citations74
US6943465B2Sep 13, 2005

Linear motor and manufacturing method thereof

HITACHI LTD8 citations74
US6825581B1Nov 30, 2004

Linear motor and production method therefor

HITACHI LTD9 citations74

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

6 patents

SHIKOKU KAKOKI CO LTD

4 patents

SONY CORP

3 patents

FUJITSU LTD

3 patents

SHARP KK

3 patents

KATAYAMA KK

2 patents

BROTHER IND LTD

1 patent

HAYAKAWA SHOJI

1 patent

PANASONIC CORP

1 patent

KATAYAMA HIROSHI

1 patent

MOTOISHI TAKUYA

1 patent

Showing the top 50 of 133 patents by PatentIndex Score.