P

Inventor

GOTO AKIHIRO

JP124 patents
⚠️ This page may combine multiple inventors who share the name “GOTO AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI ELECTRIC CORP

27 patents
US6602561B1Aug 5, 2003

Electrode for discharge surface treatment and manufacturing method therefor and discharge surface treatment method and device

MITSUBISHI ELECTRIC CORP53 citations96
USD551268SSep 18, 2007

Electric discharge machine

MITSUBISHI ELECTRIC CORP26 citations92
US6929829B2Aug 16, 2005

Method and device discharging surface treatment

MITSUBISHI ELECTRIC CORP16 citations92
US6783795B2Aug 31, 2004

Power supply apparatus for discharge surface treatment

MITSUBISHI ELECTRIC CORP28 citations92
US6441333B1Aug 27, 2002

Green compact electrode for discharge surface treatment and method of manufacturing green compact electrode for discharge surface treatment

MITSUBISHI ELECTRIC CORP19 citations92
US6348668B1Feb 19, 2002

Method and apparatus for treating surface of tool

MITSUBISHI ELECTRIC CORP21 citations92
US6314778B1Nov 13, 2001

Rolling die and surface processing method for rolling die

MITSUBISHI ELECTRIC CORP20 citations92
US5919380AJul 6, 1999

Three-dimensional electrical discharge machining method and apparatus utilizing NC control

MITSUBISHI ELECTRIC CORP52 citations92
US5496984AMar 5, 1996

Electrical discharge machine and machining method therefor

MITSUBISHI ELECTRIC CORP43 citations92
US6245599B1Jun 12, 2001

Circuit wiring system circuit wiring method semi-conductor package and semi-conductor package substrate

MITSUBISHI ELECTRIC CORP30 citations90
US7910176B2Mar 22, 2011

Electrode for discharge surface treatment, manufacturing method and evaluation method for electrode for discharge surface treatment, discharge surface treatment apparatus, and discharge surface treatment method

MITSUBISHI ELECTRIC CORP7 citations84
US7537808B2May 26, 2009

Electrode for electric discharge surface treatment, electric discharge surface treatment method and electric discharge surface treatment apparatus

MITSUBISHI ELECTRIC CORP13 citations84
US6935917B1Aug 30, 2005

Discharge surface treating electrode and production method thereof

MITSUBISHI ELECTRIC CORP17 citations84
US6821579B2Nov 23, 2004

Surface treatment method using electric discharge, and an electrode for the surface treatment method

MITSUBISHI ELECTRIC CORP15 citations84
US6808604B1Oct 26, 2004

Discharge surface treatment electrode, manufacturing method thereof and discharge surface treating method

MITSUBISHI ELECTRIC CORP15 citations84
US6548028B1Apr 15, 2003

Discharge surface treatment device and a discharge surface treatment method

MITSUBISHI ELECTRIC CORP16 citations84
US6492611B2Dec 10, 2002

Method of surface treatment using electric discharge and an electrode

MITSUBISHI ELECTRIC CORP16 citations84
US6437278B1Aug 20, 2002

Green compact electrode for discharge surface treatment

MITSUBISHI ELECTRIC CORP17 citations84
US6365008B1Apr 2, 2002

Electric-discharge surface treatment method, and apparatus and electrode for carrying out the method

MITSUBISHI ELECTRIC CORP15 citations84
US5756955AMay 26, 1998

Method and apparatus for electric discharge machining with calculation of machining area

MITSUBISHI ELECTRIC CORP17 citations84
US7645958B2Jan 12, 2010

Electric-discharge-machining power supply apparatus and small-hole electric-discharge machining apparatus

MITSUBISHI ELECTRIC CORP9 citations83
US5869797AFeb 9, 1999

Bipolar electrical discharge machine which adjusts voltage polarity based on short circuit detection

MITSUBISHI ELECTRIC CORP10 citations82
US5753882AMay 19, 1998

Electrical discharge machine with pulses of both polarities

MITSUBISHI ELECTRIC CORP11 citations82
US5603852AFeb 18, 1997

Electrical discharge machine with an opposite polarity voltage applied during an electrode jump operation

MITSUBISHI ELECTRIC CORP12 citations82
US7776409B2Aug 17, 2010

Electrode for discharge surface treatment and method of evaluating the same, and discharge-surface-treating method

MITSUBISHI ELECTRIC CORP7 citations74
US7691454B2Apr 6, 2010

Electrical-discharge surface-treatment method using a metallic powder or metallic powder compound in combination with other elements as electrode

MITSUBISHI ELECTRIC CORP6 citations74
US6793982B1Sep 21, 2004

Electrode of green compact for discharge surface treatment, method of producing the same, method of discarge surface treatment, apparatus therefor, and method of recycling electrode of green compact for discharge surface treatment

MITSUBISHI ELECTRIC CORP12 citations74

NIKON CORP

9 patents

JAPAN SCIENCE & TECH CORP

3 patents

IHI CORP

2 patents

HITACHI LTD

1 patent

ASAHI CHEMICAL IND

1 patent

TOYODA CHUO KENKYUSHO KK

1 patent

KAJIMA CORP

1 patent

HITACHI AUTOMOTIVE SYSTEMS LTD

1 patent

OM LTD

1 patent

SEIKO EPSON CORP

1 patent

OPTEC DAI ITCHI DENKO CO LTD

1 patent

ISHIKAWAJIMA HARIMA HEAVY IND

1 patent

Showing the top 50 of 124 patents by PatentIndex Score.