Inventor
Ningfang Song
Inventor
Beijing, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus43%
C03BManufacture, shaping, or supplementary processes14%
G01BMeasuring length, thickness or similar linear dimensions14%
G01CMeasuring distances, levels or bearings14%
G01MTesting static or dynamic balance of machines or structures14%
PatentTitleYear
10,859,763Hollow-core antiresonant fiber with nested supporting rings and its design method202010,704,986Method and apparatus for nondestructive determination of core size of hollow-core photonic bandgap fiber using Fabry-Perot interference20209,915,779'Kind of low magnetic sensitivity PM-PCF based on mechanical buffer'2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018–2020Patents assigned to UNIV BEIHANG (3)· patent assignee history
2018–2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV BEIHANG | 3 | 2018–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 3 | 2018–2020 |