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Inventor

Kiyoyuki Fukui

Inventor
Tokyo, JP

Overview

8→
Patents
1992–2020
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.

C23Cprimary
C23CCoating metallic material19%
Y10TTechnical subjects covered by former us classification19%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material10%
B23KSoldering or unsoldering10%
C21DModifying the physical structure of ferrous metals10%
C22CAlloys10%
C25DProcesses for the electrolytic or electrophoretic production of coatings10%
B05DProcesses for applying fluent materials to surfaces, in general5%
C09DCoating compositions, e.g. paints, varnishes or lacquers5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
10,590,506Hot-rolled steel sheet for tailored rolled blank and tailored rolled blank202010,329,637Heat-rolled steel plate for tailored rolled blank, tailored rolled blank, and methods for producing these20197,423,233'Butt welding device and butt welding method'20087,307,235'Butt welding apparatus, butt welding method, and butt welded product'20076,126,730'Coating composition and resin-coated metal sheets'20005,618,634'Composite zinc- or zinc alloy-electroplated metal sheet and method for the production thereof'19975,356,723'Multilayer plated aluminum sheets'19945,141,822'Precoated steel sheet having improved corrosion resistance and formability'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2008Patents assigned to SUMITOMO METAL IND (5)· patent assignee history
1992Based in Osaka, JP· patent location history
1994–1997Based in Kobe, JP· patent location history
2000Patents assigned to NIPPON PAINT CO LTD (1)· patent assignee history
2000Based in Takatsuki, JP· patent location history
2007–2008Patents assigned to KIKUCHI CO LTD (2)· patent assignee history
2007–2008Based in Amagasaki, JP· patent location history
2019–2020Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history
2019–2020Based in Tokyo, JP· patent location history
2020Patents assigned to NIPPON STEEL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO METAL IND51992–2008
KIKUCHI CO LTD22007–2008
NIPPON STEEL & SUMITOMO METAL CORP22019–2020
NIPPON PAINT CO LTD12000
NIPPON STEEL CORP12020
Locations
LocationPatentsSpan
Tokyo, JP22019–2020
Amagasaki, JP22007–2008
Kobe, JP21994–1997
Takatsuki, JP12000
Osaka, JP11992