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Inventor

Eiji Owaki

Inventor
Yokohama, JP

Overview

3→
Patents
2006–2011
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

G21Fprimary
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment29%
A47JKitchen equipment14%
C04BLime, magnesia14%
E04FFinishing work on buildings, e.g. stairs, floors14%
E04HBuildings or like structures for particular purposes14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
7,980,036'Lining structure'20117,294,375'Cement composite, concrete, concrete cask and method of manufacturing concrete'20077,119,349'Concrete cask and method for manufacturing thereof'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2011Patents assigned to TAISEI CORP (3)· patent assignee history
2006–2007Based in Yokohama, JP· patent location history
2007Patents assigned to KOBE STEEL LTD (1)· patent assignee history
2011Patents assigned to SHOWA CO LTD (1)· patent assignee history
2011Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAISEI CORP32006–2011
KOBE STEEL LTD12007
SHOWA CO LTD12011
Locations
LocationPatentsSpan
Yokohama, JP22006–2007
Tokyo, JP12011