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Inventor

Akira Sakaida

Inventor
Kitakyushu, JP

Overview

6→
Patents
1981–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals31%
H01FMagnets31%
C23CCoating metallic material6%
G01RMeasuring electric variables6%
G12BConstructional details of instruments, or comparable details of other apparatus, not otherwise provided for6%
H05KPrinted circuits6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
7,964,803'Magnetic shield structure having openings and a magnetic material frame therefor'20116,387,522'Grain-oriented electrical steel sheet for low-noise transformer'20026,368,424'Grain-oriented electrical steel sheets having excellent magnetic characteristics, its manufacturing method and its manufacturing device'20025,840,131'Process for producing grain-oriented electrical steel sheet having excellent glass film and magnetic properties'19985,685,920'Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same'19974,290,829'Process for box annealing a steel strip coil'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2011Patents assigned to NIPPON STEEL CORP (6)· patent assignee history
1981–2002Based in Kitakyushu, JP· patent location history
1998Based in Fukuoka, JP· patent location history
2002Based in Tokyo, JP· patent location history
2011Patents assigned to KAJIMA CORP (1)· patent assignee history
2011Patents assigned to NIPPON STEEL ENG CO LTD (1)· patent assignee history
2011Based in Yachiyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON STEEL CORP61981–2011
KAJIMA CORP12011
NIPPON STEEL ENG CO LTD12011
Locations
LocationPatentsSpan
Kitakyushu, JP31981–2002
Yachiyo, JP12011
Tokyo, JP12002
Fukuoka, JP11998