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Inventor

Waichi Nishikawa

Inventor
Nishinomiya, JP

Overview

2→
Patents
1983–2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B23Kprimary
B23KSoldering or unsoldering100%
PatentTitleYear
6,156,998'Control of welding arc length'20004,409,465'Pulse arc welding method and device in which pulse current and background current have a constant current characteristic'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to OSAKA TRANSFORMER CO LTD (1)· patent assignee history
1983Based in Kobe, JP· patent location history
2000Patents assigned to DAIHEN CORP (1)· patent assignee history
2000Based in Nishinomiya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIHEN CORP12000
OSAKA TRANSFORMER CO LTD11983
Locations
LocationPatentsSpan
Nishinomiya, JP12000
Kobe, JP11983