Inventor
Weijun Zhang
Inventor
Richmond, VA, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A24Dprimary
A24DCigars18%
A24BManufacture or preparation of tobacco for smoking or chewing9%
A24CMachines for making cigars or cigarettes9%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
D21HPulp compositions9%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light9%
G02BOptical elements, systems or apparatus9%
H01LSemiconductor devices9%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation9%
H10NElectric solid-state devices not otherwise provided for9%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2015Patents assigned to PHILIP MORRIS USA INC (2)· patent assignee history
2012–2015Patents assigned to RASOULI FIROOZ (2)· patent assignee history
2012–2015Patents assigned to ZHANG WEIJUN (2)· patent assignee history
2012Patents assigned to BAGREEV ANDREY (1)· patent assignee history
2012–2015Based in Richmond, VA, US· patent location history
2015Patents assigned to ALONSO HECTOR (1)· patent assignee history
2018Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIP MORRIS USA INC | 2 | 2012–2015 |
| RASOULI FIROOZ | 2 | 2012–2015 |
| ZHANG WEIJUNself | 2 | 2012–2015 |
| ALONSO HECTOR | 1 | 2015 |
| BAGREEV ANDREY | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Richmond, Virginia, US | 2 | 2012–2015 |
| Shanghai, CN | 1 | 2018 |