Inventor

Tiezhong Ma

Inventor
Beijing, CN

Overview

5→
Patents
2004–2020
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G01Jprimary
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light27%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
C23CCoating metallic material7%
F01DNon-positive displacement machines or engines, e.g. steam turbines7%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants7%
G01BMeasuring length, thickness or similar linear dimensions7%
G01KMeasuring temperature7%
G02BOptical elements, systems or apparatus7%
H10DInorganic electric semiconductor devices7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Based in San Jose, CA, US· patent location history
2014–2015Patents assigned to GENIO EDGAR (3)· patent assignee history
2014–2015Patents assigned to LI GUOGUANG (3)· patent assignee history
2014–2015Patents assigned to LIU TAO (3)· patent assignee history
2014–2015Patents assigned to MA TIEZHONG (3)· patent assignee history
2014–2015Patents assigned to BEIOPTICS TECHNOLOGY CO LTD (2)· patent assignee history
2014–2015Based in Beijing, CN· patent location history
2020Based in Chengdu, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GENIO EDGAR32014–2015
LI GUOGUANG32014–2015
LIU TAO32014–2015
MA TIEZHONGself32014–2015
BEIOPTICS TECHNOLOGY CO LTD22014–2015
Locations
LocationPatentsSpan
Beijing, CN32014–2015
Chengdu, CN12020
San Jose, California, US12004