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Inventor

Moritoshi Nagasaka

Inventor
Ibaragi, JP

Overview

3→
Patents
1983–1990
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B23Kprimary
B23KSoldering or unsoldering67%
H05HPlasma technique33%
PatentTitleYear
4,956,540'Arc spot welding apparatus'19904,916,283'Water cooling plasma arc working apparatus'19904,409,465'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 Osaka, JP· patent location history
1990Patents assigned to DAIHEN CORP (2)· patent assignee history
1990Based in Ibaragi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIHEN CORP21990
OSAKA TRANSFORMER CO LTD11983
Locations
LocationPatentsSpan
Ibaragi, JP21990
Osaka, JP11983