Inventor

Nan Ma

Inventor
Shenzhen, CN

Overview

20→
Patents
2003–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 20 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification17%
C23CCoating metallic material14%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
G02BOptical elements, systems or apparatus6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
H03HImpedance networks, e.g. resonant circuits6%
H04LTransmission of digital information, e.g. telegraphic communication6%
A45DHairdressing or shaving equipment3%
A61MDevices for introducing media into, or onto, the body3%
B23PMetal-working not otherwise provided for3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2008Based in Chippewa Falls, WI, US· patent location history
2008–2019Based in Beijing, CN· patent location history
2012–2014Patents assigned to MA NAN (6)· patent assignee history
2012–2014Patents assigned to CHANG HSIN-PEI (5)· patent assignee history
2012–2014Patents assigned to CHEN CHENG-SHI (5)· patent assignee history
2012–2014Patents assigned to CHEN WEN-RONG (5)· patent assignee history
2012–2014Patents assigned to CHIANG HUANN-WU (5)· patent assignee history
2012–2014Based in Shenzhen, CN· patent location history
2018Based in Shanghai, CN· patent location history
2019–2020Based in Tonbridge, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MA NANself62012–2014
CHANG HSIN-PEI52012–2014
CHEN CHENG-SHI52012–2014
CHEN WEN-RONG52012–2014
CHIANG HUANN-WU52012–2014
Locations
LocationPatentsSpan
Shenzhen, CN52012–2014
Chippewa Falls, WI, US52003–2008
Beijing, CN42008–2019
Tonbridge, GB22019–2020
Shanghai, CN12018