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Inventor

Fumio Sumiyoshi

Inventor
Iruma, JP

Overview

1→
Patents
1995
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.

E04Fprimary
E04FFinishing work on buildings, e.g. stairs, floors50%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines50%
PatentTitleYear
5,386,670'Method for manufacturing system floor and floor base for system floor'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to TOSHIBA KK (1)· patent assignee history
1995Based in Iruma, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK11995
Locations
LocationPatentsSpan
Iruma, JP11995