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Inventor

Weihua Xu

Inventor
Shanghai, CN

Overview

6→
Patents
1999–2018
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

A61Bprimary
A61BDiagnosis25%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables17%
A61FFilters implantable into blood vessels8%
A61LMethods or apparatus for sterilising materials or objects in general8%
B29CShaping or joining of plastics8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
C08LCompositions of macromolecular compounds8%
G06FElectric digital data processing8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
9,878,069'Mineralized collagen-based femoral head support device'20189,639,441'Solid-state storage system, apparatus and method of writing data'20179,561,030'Surgical staple and staple pocket for forming kidney-shaped staple'20179,216,020'Endoscopic surgical cutting stapler with a chain articulation'20156,089,566'Sheet supply and transfer device for printers presumable of sheet size for pinch rollers'20005,931,461'Paper sheet receptacle having transversely elastically supported barrier wall plate'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2000Patents assigned to RISO KAGAKU CORP (2)· patent assignee history
1999–2000Based in Ibaraki, JP· patent location history
2015–2017Patents assigned to CHANGZHOU KANGDI MEDICAL STAPLER CO LTD (2)· patent assignee history
2015–2017Patents assigned to JI RONG (2)· patent assignee history
2015–2017Patents assigned to JIANG ZHENYU (2)· patent assignee history
2015–2017Patents assigned to XU WEIHUA (2)· patent assignee history
2015–2017Based in Shanghai, CN· patent location history
2017Based in Shenzhen, CN· patent location history
2018Based in Hubei, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHANGZHOU KANGDI MEDICAL STAPLER CO LTD22015–2017
JI RONG22015–2017
JIANG ZHENYU22015–2017
RISO KAGAKU CORP21999–2000
XU WEIHUAself22015–2017
Locations
LocationPatentsSpan
Shanghai, CN22015–2017
Ibaraki, JP21999–2000
Hubei, CN12018
Shenzhen, CN12017