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Inventor

Masato Hirao

Inventor
Tokyo, JP

Overview

3→
Patents
1987–1995
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E06Bprimary
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates100%
PatentTitleYear
5,460,216'Device for moving a winding shaft in a building shutter'19955,265,662'Shutter curtain for a building opening'19934,662,420'Panel shutter mechanism'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1995Patents assigned to SANWA SHUTTER CORP (3)· patent assignee history
1987–1995Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANWA SHUTTER CORP31987–1995
Locations
LocationPatentsSpan
Tokyo, JP31987–1995