Inventor
Xingzhi Ma
Inventor
Beijing, CN
Overview
Patents· 1 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 light50%
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2020Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PETROCHINA CO LTD | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 1 | 2020 |