Inventor · disambiguated record
Iwao Kurokawa
Also filed as: KUROKAWA IWAO
10 granted patents·447 citations·filing 1991–2001
92Inventor score
Files withKOMATSU MFG CO LTD10
Top patents by PatentIndex Score
10 records- 0194US5728991APlasma arc welding apparatus and welding method using the sameKOMATSU MFG CO LTD·Filed 1994·Granted Mar 17, 1998·102 cites·33 claims
- 0286USD417459SElectrode for a plasma arc torchKOMATSU MFG CO LTD·Filed 1998·Granted Dec 7, 1999·34 cites·1 claims
- 0386US5726414APlasma torch with swirling gas flow in a shielding gas passageKOMATSU MFG CO LTD·Filed 1994·Granted Mar 10, 1998·107 cites·18 claims
- 0481USD414788SNozzle for a plasma arc torchKOMATSU MFG CO LTD·Filed 1998·Granted Oct 5, 1999·27 cites·1 claims
- 0579US5521350AStand-off control apparatus for plasma processing machinesKOMATSU MFG CO LTD·Filed 1993·Granted May 28, 1996·42 cites·13 claims
- 0678US5225658AStopping a plasma arc cutter upon completion of cuttingKOMATSU MFG CO LTD·Filed 1991·Granted Jul 6, 1993·55 cites·4 claims
- 0777USD451113SNozzle for a plasma arc torchKOMATSU MFG CO LTD·Filed 2001·Granted Nov 27, 2001·24 cites·1 claims
- 0866USD446795SNozzle for a plasma arc torchKOMATSU MFG CO LTD·Filed 2000·Granted Aug 21, 2001·15 cites·1 claims
- 0965US6255618B1Method and apparatus for spot welding a work having a plurality of welding materials placed on top of each other by boring a hole to release vaporsKOMATSU MFG CO LTD·Filed 1998·Granted Jul 3, 2001·29 cites·33 claims
- 1049US5734144APlasma arc welding method and apparatus in which a swirling flow is imparted to a plasma gas to stabilize a plasma arcKOMATSU MFG CO LTD·Filed 1994·Granted Mar 31, 1998·12 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Iwao Kurokawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →