Inventor
Zhenfang Chen
Inventor
Cupertino, CA, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters28%
H10NElectric solid-state devices not otherwise provided for10%
Y10TTechnical subjects covered by former us classification10%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems7%
G02BOptical elements, systems or apparatus7%
H01LSemiconductor devices7%
A61KPreparations for medical, dental or toiletry purposes3%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%
B28DWorking stone or stone-like materials3%
C03CChemical composition of glasses, glazes or vitreous enamels3%
PatentTitleYear
11,043,361Symmetric VHF source for a plasma reactor202111,001,639Chimeric antigen receptor for efficient selective proliferation in vitro and uses thereof20219,362,484'Forming a device having a curved piezoelectric membrane'20168,969,105'Forming a device having a curved piezoelectric membrane'20158,857,020'Actuators and methods of making the same'20148,377,319'Print head nozzle formation'20138,210,649'Thermal oxide coating on a fluid ejector'20127,779,522'Method for forming a MEMS'20107,622,048'Sacrificial substrate for etching'20097,566,118'Print head with thin membrane'20097,347,532'Print head nozzle formation'20087,267,260'Apparatus for holding a fiber array'20076,823,127'Apparatus for holding a fiber array'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2013Based in Cupertino, CA, US· patent location history
2008–2013Patents assigned to FUJIFILM DIMATIX INC (5)· patent assignee history
2012–2015Patents assigned to CHEN ZHENFANG (4)· patent assignee history
2012–2016Patents assigned to FUJIFILM CORP (4)· patent assignee history
2012–2016Based in Sunnyvale, CA, US· patent location history
2013–2015Patents assigned to BIBL ANDREAS (3)· patent assignee history
2014–2015Patents assigned to BIRKMEYER JEFFREY (2)· patent assignee history
2021Based in San Francisco, CA, US· patent location history
2021Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJIFILM DIMATIX INC | 5 | 2008–2013 |
| CHEN ZHENFANGself | 4 | 2012–2015 |
| FUJIFILM CORP | 4 | 2012–2016 |
| BIBL ANDREAS | 3 | 2013–2015 |
| BIRKMEYER JEFFREY | 2 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cupertino, California, US | 7 | 2004–2013 |
| Sunnyvale, California, US | 4 | 2012–2016 |
| San Francisco, California, US | 1 | 2021 |
| Beijing, CN | 1 | 2021 |