P

Inventor

SUZUKI KATSUNORI

JP116 patents
⚠️ This page may combine multiple inventors who share the name “SUZUKI KATSUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

15 patents
US6271709B1Aug 7, 2001

Gate drive circuit of voltage drive switching element

HITACHI LTD102 citations98
US6266072B1Jul 24, 2001

Graphics system

HITACHI LTD73 citations96
US4240020ADec 16, 1980

Control system for suppressing torque ripple in synchronous motor

HITACHI LTD80 citations96
US6392908B2May 21, 2002

Method and apparatus for driving a semiconductor element

HITACHI LTD21 citations93
US6373731B1Apr 16, 2002

Surge voltage suppressed power inverter using a voltage driven switching element

HITACHI LTD46 citations93
US6275399B1Aug 14, 2001

Method and apparatus for driving a semiconductor element with variable resistance circuitry

HITACHI LTD31 citations93
US4344025AAug 10, 1982

Motor control system

HITACHI LTD33 citations93
US4330741AMay 18, 1982

Electric control apparatus of induction motor

HITACHI LTD30 citations93
US4125796ANov 14, 1978

Control apparatus for use in a synchronous machine

HITACHI LTD33 citations93
US6049343AApr 11, 2000

Graphics processing unit and graphics processing system

HITACHI LTD35 citations92
US5819077AOct 6, 1998

Graphics drawing system and method based on a client server system having shared graphics resources

HITACHI LTD19 citations92
US4672520AJun 9, 1987

Current-source power converting apparatus with self-extinction devices

HITACHI LTD29 citations92
US4599685AJul 8, 1986

Control circuit for power converter apparatus

HITACHI LTD33 citations92
US4295084AOct 13, 1981

Control apparatus of synchronous motor having thyristor converter

HITACHI LTD11 citations74
US3960090AJun 1, 1976

Linear synchronous motor powered vehicle

HITACHI LTD17 citations74

MITSUBISHI ELECTRIC CORP

6 patents

KAWASAKI MICROELECTRONICS INC

5 patents

MINOLTA CO LTD

4 patents

YAMAHA CORP

4 patents

HITACHI MEDICAL CORP

3 patents

SUZUKI KATSUNORI

3 patents

MINOLTA CAMERA KK

2 patents

SHIN KOBE ELECTRIC MACHINERY

2 patents

TOSHIBA KK

2 patents

FUJITSU LTD

1 patent

RICOH CO LTD

1 patent

UCHIDA KEISUKE

1 patent

(unassigned)

1 patent

Showing the top 50 of 116 patents by PatentIndex Score.