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Inventor

Shigeyoshi Takasawa

Inventor
Toyama, JP

Overview

9→
Patents
1999–2015
Patent span
Human necessities
Primary field (CPC A)

Patents· 9 as inventor

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

A44Bprimary
A44BButtons, pins, buckles, slide fasteners, or the like47%
Y10TTechnical subjects covered by former us classification47%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for5%
PatentTitleYear
8,925,161'Readily burstable slide fastener'20158,800,118'Readily burstable slide fastener'20147,533,451'Slide fastener'20097,337,508'Zip fastener with emergency opening facility'20086,622,351'Slider for airtight and watertight slide fastener'20036,615,458'Releasable bottom end stop for slide fastener'20036,481,068'Slide fastener with separable bottom stop assembly'20026,112,376'Separable bottom stop assembly of concealed slide fastener'20005,913,481'Separable slide fastener'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2015Patents assigned to YKK CORP (8)· patent assignee history
1999–2003Based in Toyama, JP· patent location history
2000Patents assigned to YKK CORPRATION (1)· patent assignee history
2008–2014Based in Runcorn, GB· patent location history
2014–2015Patents assigned to AKASHI SHUNJI (2)· patent assignee history
2014–2015Patents assigned to DAVIES MARK (2)· patent assignee history
2014–2015Patents assigned to TAKASAWA SHIGEYOSHI (2)· patent assignee history
2015Based in Anaheim, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YKK CORP81999–2015
AKASHI SHUNJI22014–2015
DAVIES MARK22014–2015
TAKASAWA SHIGEYOSHIself22014–2015
YKK CORPRATION12000
Locations
LocationPatentsSpan
Toyama, JP51999–2003
Runcorn, GB32008–2014
Anaheim, California, US12015