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Inventor

Kunitaka Saito

Inventor
Tokyo, JP

Overview

2→
Patents
1978–1979
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.

E21Dprimary
E21DShafts100%
PatentTitleYear
4,152,027'Shield type hydraulic tunnel boring machine'19794,068,486'Automatic tunnel face hydraulic pressure controlling apparatus in shield type hydraulic tunnel boring system'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1979Patents assigned to TEKKEN CONSTR CO (2)· patent assignee history
1978–1979Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEKKEN CONSTR CO21978–1979
Locations
LocationPatentsSpan
Tokyo, JP21978–1979