Inventor

Iwao Kurokawa

Inventor

Hiratsuka, JP

Overview

1993–2001

Patent span

Performing operations

Primary field (CPC B)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B23Kprimary

B23KSoldering or unsoldering45%

LOC1536%

H05HPlasma technique18%

PatentTitleYear

D0451113'Nozzle for a plasma arc torch'2001 D0446795'Nozzle for a plasma arc torch'2001 6,255,618'Method 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 vapors'2001 D0417459'Electrode for a plasma arc torch'1999 D0414788'Nozzle for a plasma arc torch'1999 5,734,144'Plasma arc welding method and apparatus in which a swirling flow is imparted to a plasma gas to stabilize a plasma arc'1998 5,728,991'Plasma arc welding apparatus and welding method using the same'1998 5,726,414'Plasma torch with swirling gas flow in a shielding gas passage'1998 5,521,350'Stand-off control apparatus for plasma processing machines'1996 5,225,658'Stopping a plasma arc cutter upon completion of cutting'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2001Patents assigned to KOMATSU MFG CO LTD (10)· patent assignee history

1993–1996Based in Yokohama, JP· patent location history

1998–2001Based in Kanagawa, JP· patent location history

1999–2001Based in Hiratsuka, JP· patent location history

2001Patents assigned to TOYOTA AUTO BODY CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOMATSU MFG CO LTD	10	1993–2001
TOYOTA AUTO BODY CO LTD	1	2001

Locations

Location	Patents	Span
Hiratsuka, JP	4	1999–2001
Kanagawa, JP	4	1998–2001
Yokohama, JP	2	1993–1996