Inventor

Motoharu Nakamura

Inventor

Himeji, JP

Overview

1976–1989

Patent span

Chemistry

Primary field (CPC C)

Patents· 8 as inventor

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

C21Dprimary

C21DModifying the physical structure of ferrous metals32%

H01FMagnets32%

C23CCoating metallic material18%

B23PMetal-working not otherwise provided for5%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

H01BCables5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

4,825,807'Apparatus for applying anti-sticking agent on annealed oriented electrical sheet steel in coil'1989 4,750,949'Grain-oriented electrical steel sheet having stable magnetic properties resistant to stress-relief annealing, and method and apparatus for producing the same'1988 4,632,708'Annealing separator used in the finishing annealing step for producing a grain-oriented electrical steel sheet'1986 4,618,377'Method for surface treatment of electrical steel sheet'1986 4,537,792'Method of applying an annealing separator to grain oriented magnetic steel sheets'1985 4,363,677'Method for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surface'1982 4,190,468'Process for coating an electrical steel sheet with an anti-sticking layer'1980 3,941,623'Method for producing a grain-oriented electrical steel sheet using separators comprising metal nitrides'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to NIPPON STEEL CORP (8)· patent assignee history

1976–1989Based in Himeji, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON STEEL CORP	8	1976–1989

Locations

Location	Patents	Span
Himeji, JP	8	1976–1989