P

Inventor

SHIMADA RYUICHI

JP14 patents
⚠️ This page may combine multiple inventors who share the name “SHIMADA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MERSTECH INC

5 patents
US8045309B2Oct 25, 2011

Magnetic energy recovery switch having protective circuit

MERSTECH INC10 citations82
US8384333B2Feb 26, 2013

Alternating voltage control apparatus

MERSTECH INC5 citations71
US7898113B2Mar 1, 2011

Pulse power supply device

MERSTECH INC4 citations58
US7843166B2Nov 30, 2010

Alternating-current power supply device recovering magnetic energy

MERSTECH INC5 citations57
US7919887B2Apr 5, 2011

High repetitous pulse generation and energy recovery system

MERSTECH INC0 citations48

FUJI ELEC DEVICE TECH CO LTD

1 patent
US7433212B2Oct 7, 2008

System linking apparatus for generated electric power

FUJI ELEC DEVICE TECH CO LTD42 citations92

NIDEC SERVO CORP

1 patent
US7476076B2Jan 13, 2009

Centrifugal fan

NIDEC SERVO CORP15 citations83

TOKYO INST TECH

1 patent
US7974113B2Jul 5, 2011

Electric power unit for induction heating

TOKYO INST TECH10 citations82

SHIMADA RYUICHI

1 patent
US8097981B2Jan 17, 2012

AC/DC power converter using magnetic energy recovery switch

SHIMADA RYUICHI12 citations74

KOMATSU MFG CO LTD

1 patent
US6058029AMay 2, 2000

Power unit for generating discharge shock waves

KOMATSU MFG CO LTD15 citations73

MITSUBISHI ELECTRIC CORP

1 patent
US5256907AOct 26, 1993

Electric power supply apparatus

MITSUBISHI ELECTRIC CORP10 citations72

NIPPON STEEL CORP

1 patent
US8383978B2Feb 26, 2013

Steel pipe material weld zone heating apparatus and method

NIPPON STEEL CORP4 citations61

TOMITA MASAYUKI

1 patent
US8471477B2Jun 25, 2013

Substrate processing apparatus and method of manufacturing semiconductor device

TOMITA MASAYUKI3 citations57

FUKUTANI KAZUHIKO

1 patent
US8395347B2Mar 12, 2013

Induction motor control device and induction motor group control system

FUKUTANI KAZUHIKO2 citations57