LexDanaLexDanabeta
Inventor

Mitsuaki Furuichi

Inventor
Tokyo, JP

Overview

1→
Patents
2006
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
E21DShafts33%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels33%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment33%
PatentTitleYear
7,063,657'Method of constructing underground gallery by using pneumatic transfer system and stratum disposal method'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Patents assigned to KAJIMA CORP (1)· patent assignee history
2006Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAJIMA CORP12006
Locations
LocationPatentsSpan
Tokyo, JP12006