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Inventor

Yoshikazu Umeno

Inventor
Wako, JP

Overview

3→
Patents
1990–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals33%
C22CAlloys33%
C25DProcesses for the electrolytic or electrophoretic production of coatings17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
7,976,651'Weldable steel of high strength and high toughness, and method of producing members using the same'20117,678,204'Good-workability and high-strength cold-rolled steel sheet excellent in post-painting corrosion resistance'2010D0307007'Television set'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to SHARP KK (1)· patent assignee history
1990Based in Osaka, JP· patent location history
2010–2011Patents assigned to HONDA MOTOR CO LTD (2)· patent assignee history
2010Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
2010–2011Based in Wako, JP· patent location history
2011Patents assigned to DAIDO STEEL CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD22010–2011
DAIDO STEEL CO LTD12011
NIPPON STEEL CORP12010
SHARP KK11990
Locations
LocationPatentsSpan
Wako, JP22010–2011
Osaka, JP11990