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Inventor

Jian-Jun Liu

Inventor
Shanghai, CN

Overview

4→
Patents
2010–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

A45Dprimary
A45DHairdressing or shaving equipment14%
A47KSanitary equipment14%
F04DNon-positive-displacement pumps14%
H01HElectric switches14%
H02JElectric power networks14%
H04BTransmission14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
PatentTitleYear
10,041,502Air blower20188,269,467'Dual-mode charger circuit'20128,203,087'Key assembly used in an electronic device'20127,855,992'Multi-antenna solution for mobile handset'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2012Based in Shanghai, CN· patent location history
2012Patents assigned to AMBIT MICROSYSTEMS SHANGHAI (2)· patent assignee history
2012Patents assigned to HON HAI PREC IND CO LTD (2)· patent assignee history
2012Patents assigned to LI RONG (2)· patent assignee history
2012Patents assigned to LIU JIAN-JUN (2)· patent assignee history
2012Patents assigned to HUNG KUO-WEI (1)· patent assignee history
2018Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMBIT MICROSYSTEMS SHANGHAI22012
HON HAI PREC IND CO LTD22012
LI RONG22012
LIU JIAN-JUNself22012
HUNG KUO-WEI12012
Locations
LocationPatentsSpan
Shanghai, CN32010–2012
Shenzhen, CN12018