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Inventor

Hisaya Yoshioka

Inventor
Kawaguchi, JP

Overview

1→
Patents
1980
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E21Dprimary
E21DShafts100%
PatentTitleYear
4,209,268'Tail packing for a slurry pressurized shield'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to OHBAYASHI CORP (1)· patent assignee history
1980Based in Kawaguchi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OHBAYASHI CORP11980
Locations
LocationPatentsSpan
Kawaguchi, JP11980