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Inventor

Yutaka Owa

Inventor
Chiba, JP

Overview

2→
Patents
1987
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E02Dprimary
E02DFoundations40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests40%
C09KMaterials for miscellaneous applications, not provided for elsewhere20%
PatentTitleYear
4,690,589'Method for forming a water-impermeable layer in a soil'19874,637,759'Method for forming a moisture barrier in a soil containing soluble salts'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to LION CORP (2)· patent assignee history
1987Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LION CORP21987
Locations
LocationPatentsSpan
Chiba, JP21987