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Inventor

Sigeyuki Nitta

Inventor
Muroran, JP

Overview

1→
Patents
1989
Patent span
Physics
Primary field (CPC G)

Patents· 1 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties100%
PatentTitleYear
4,818,935'Method and apparatus for non-destructively detecting defects in metal materials by using rotating magnetic fields generated by multiphase ac current'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to EDDIO CORP (1)· patent assignee history
1989Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
1989Based in Muroran, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EDDIO CORP11989
NIPPON STEEL CORP11989
Locations
LocationPatentsSpan
Muroran, JP11989