Inventor

Anhua Li

Inventor

Beijing, CN

Overview

6→

Patents

1997–2021

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

A61BDiagnosis30%

B29CShaping or joining of plastics10%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts10%

C08LCompositions of macromolecular compounds10%

E21BEarth or rock drilling10%

G01VGeophysics10%

G06FElectric digital data processing10%

H01FMagnets10%

PatentTitleYear

10,976,470Simulation method for flow field of multi-stage fracturing on horizontal well in tight oil reservoir2021 10,383,632Bending control mechanism and surgical instrument with same2019 10,342,537Surgical instrument and its bending control mechanism2019 9,924,945'Surgical apparatus actuator'2018 9,892,832'Low-cost double-main-phase Ce permanent magnet alloy and its preparation method'2018 5,654,353'Biodegradable composition, a process for preparing the same and the use thereof'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to BEIJING XINGCHEN MODERN CONTRO (1)· patent assignee history

1997–2021Based in Beijing, CN· patent location history

2018–2019Patents assigned to SHANGHAI YISI MEDICAL TECH CO LTD (3)· patent assignee history

2018Patents assigned to CENTRAL IRON AND STEEL RES INSTITUTE (1)· patent assignee history

2018–2019Based in Shanghai, CN· patent location history

2019Patents assigned to YISI SUZHOU MEDICAL TECH CO LTD (2)· patent assignee history

2021Patents assigned to UNIV BEIJING SCIENCE & TECHNOLOGY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHANGHAI YISI MEDICAL TECH CO LTD	3	2018–2019
YISI SUZHOU MEDICAL TECH CO LTD	2	2019
BEIJING XINGCHEN MODERN CONTRO	1	1997
CENTRAL IRON AND STEEL RES INSTITUTE	1	2018
UNIV BEIJING SCIENCE & TECHNOLOGY	1	2021

Locations

Location	Patents	Span
Beijing, CN	3	1997–2021
Shanghai, CN	3	2018–2019