Inventor

Kunihide Takashima

Inventor

Kitakyushu, JP

Overview

1976–1999

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 metals58%

H01FMagnets33%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

5,858,126'Grain-oriented electrical steel sheet and material having very high magnetic flux density and method of manufacturing same'1999 5,394,721'Method of producing permalloy cores'1995 5,028,279'Grain oriented electrical steel sheet having improved glass film properties and low watt loss and process for producing same'1991 4,897,131'Grain-oriented electrical steel sheet having improved glass film properties and low watt loss'1990 4,371,405'Process for producing grain-oriented silicon steel strip'1983 4,339,287'Process for producing grain-oriented silicon steel strip'1982 4,302,257'Process for producing a grain-oriented silicon steel sheet'1981 3,933,024'Method for cold rolling of a high magnetic flux density grain-oriented electrical steel sheet or strip having excellent properties'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1999Patents assigned to NIPPON STEEL CORP (8)· patent assignee history

1976–1995Based in Kitakyushu, JP· patent location history

1981–1983Based in Munakatamachi, JP· patent location history

1982Based in Fukuoka, JP· patent location history

1999Based in Futtsu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON STEEL CORP	8	1976–1999

Locations

Location	Patents	Span
Kitakyushu, JP	4	1976–1995
Munakatamachi, JP	2	1981–1983
Futtsu, JP	1	1999
Fukuoka, JP	1	1982