Inventor · disambiguated record
Koji Hamamoto
Also filed as: HAMAMOTO KOJI
8 granted patents·1 pending application·223 citations·filing 1990–2025
89Inventor score
Technology areasB23K
Top patents by PatentIndex Score
9 records- 0192US5270516AArc welding machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 14, 1993·96 cites·6 claims
- 0275US2025312862A1Arc welding methodPANASONIC IP MAN CO LTD·Filed 2025·Application pending·0 cites
- 0371US6207928B1Consumable electrode type pulse arc welding methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 27, 2001·32 cites·4 claims
- 0468US5017757APulsed arc welding machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted May 21, 1991·31 cites·3 claims
- 0564US5168144AArc welding power apparatus having plural selectable electrode feed quantity settingsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Dec 1, 1992·26 cites·4 claims
- 0659USD445812SWelding machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 31, 2001·12 cites·1 claims
- 0749US6555785B2Welding condition inputting equipmentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 29, 2003·5 cites·40 claims
- 0847US5834733AARC welding machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 10, 1998·13 cites·6 claims
- 0940US6225597B1Method of controlling pulse output and consumable electrode type pulse arc welding deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted May 1, 2001·8 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →