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Inventor

Kenichi Yakashiro

Inventor
Kitakyushu, JP

Overview

4→
Patents
1989–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals50%
C12NMicroorganisms or enzymes17%
C22BProduction and refining of metals17%
H01FMagnets17%
PatentTitleYear
8,834,596'Method for pretreating sintering material'20145,840,131'Process for producing grain-oriented electrical steel sheet having excellent glass film and magnetic properties'19984,979,996'Process for preparation of grain-oriented electrical steel sheet comprising a nitriding treatment'19904,888,066'Method for producing grain-oriented electrical steel sheet with very high magnetic flux density'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1998Patents assigned to NIPPON STEEL CORP (3)· patent assignee history
1989–2014Based in Kitakyushu, JP· patent location history
1998Based in Fukuoka, JP· patent location history
2014Patents assigned to GUSHIMA AKIRA (1)· patent assignee history
2014Patents assigned to IKEDA TSUNEO (1)· patent assignee history
2014Patents assigned to IMAI TAKESHI (1)· patent assignee history
2014Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP31989–1998
GUSHIMA AKIRA12014
IKEDA TSUNEO12014
IMAI TAKESHI12014
NIPPON STEEL & SUMITOMO METAL CORP12014
Locations
LocationPatentsSpan
Kitakyushu, JP31989–2014
Fukuoka, JP11998