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Inventor

Hirokazu Haga

Inventor
Himeji, JP

Overview

2→
Patents
1986–1989
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals33%
C23CCoating metallic material33%
G01RMeasuring electric variables33%
PatentTitleYear
4,825,807'Apparatus for applying anti-sticking agent on annealed oriented electrical sheet steel in coil'19894,631,479'Error locator for high-speed inspection of magnetic tape'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to GRAHAM MAGNETICS INC (1)· patent assignee history
1986Based in Euless, TX, US· patent location history
1989Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
1989Based in Himeji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GRAHAM MAGNETICS INC11986
NIPPON STEEL CORP11989
Locations
LocationPatentsSpan
Himeji, JP11989
Euless, Texas, US11986