Inventor

Feng-Xiang Tang

Inventor
Shenzhen, CN

Overview

24→
Patents
2006–2021
Patent span
Physics
Primary field (CPC G)

Patents· 24 as inventor

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

G01Mprimary
G01MTesting static or dynamic balance of machines or structures13%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light10%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
G06FElectric digital data processing10%
H04MTelephonic communication10%
LOC1410%
LOC218%
A63HToys, e.g. tops, dolls, hoops or building blocks5%
LOC325%
C07BGeneral methods of organic chemistry3%
PatentTitleYear
11,053,259Crystal of cephalosporin intermediate 7a-methoxy cephalothin and method for preparing same202111,009,336Method for wavefront measurement of optical imaging system based on grating shearing interferometry202110,969,274Method for detecting wavefront aberration for optical imaging system based on grating shearing interferometer20219,863,841'Measuring device having ideal wavefront generator for detecting point diffraction interferometric wavefront aberration of measured optical system and method for detecting wavefront aberration thereof'20189,766,154'Multi field point aberration parallel metrology device and method for lithographic projection lens'20179,658,114'Device for measuring point diffraction interferometric wavefront aberration and method for detecting wave aberration'20178,348,530'Keyboard with multi-angle support'20138,342,699'Electronic device with virtual keyboard function'20138,237,661'Keyboard with multi-angle positioning support'20128,233,949'Mobile phone'20128,165,629'Base station for electronic apparatus'20128,079,892'Toy automobile'20118,011,737'Wheel for toy vehicle'2011D0635971'Portable device'20117,916,461'Electronic device with rotatable keyboard'2011D0615973'Portable device'2010D0608846'Robot toy'2010D0608845'Robot'2010D0607464'User interface for display screen'2010D0599821'Music player'2009D0599820'Music player'2009D0597098'User interface for display screen'2009D0592257'Robot toy'20097,019,683'Shipping container security system'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006Based in Tualatin, OR, US· patent location history
2009–2013Patents assigned to HON HAI PREC IND CO LTD (17)· patent assignee history
2009–2013Based in Shenzhen, CN· patent location history
2011–2013Patents assigned to HONGFUJIN PREC IND SHENZHEN (8)· patent assignee history
2011–2013Patents assigned to TANG FENG-XIANG (6)· patent assignee history
2012–2013Patents assigned to Ma xian-wei (2)· patent assignee history
2017–2021Patents assigned to SHANGHAI INST OPTICS & FINE MECH CAS (5)· patent assignee history
2017–2021Based in Shanghai, CN· patent location history
2021Based in Jinan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HON HAI PREC IND CO LTD172009–2013
HONGFUJIN PREC IND SHENZHEN82011–2013
TANG FENG-XIANGself62011–2013
SHANGHAI INST OPTICS & FINE MECH CAS52017–2021
Ma xian-wei22012–2013
Locations
LocationPatentsSpan
Shenzhen, CN172009–2013
Shanghai, CN52017–2021
Jinan, CN12021
Tualatin, OR, US12006