Inventor

Doewon Park

Inventor

Herndon, VA, US

Overview

6→

Patents

1998–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 6 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices30%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%

G02BOptical elements, systems or apparatus10%

G06FElectric digital data processing10%

H01LSemiconductor devices10%

H04BTransmission10%

H05KPrinted circuits10%

PatentTitleYear

11,119,541Portable electronic device2021 10,192,979Vacuum transistor structure using graphene edge field emitter and screen electrode2019 9,057,891'Nonlinear frequency conversion in nanoslab optical waveguides'2015 8,427,738'Nonlinear frequency conversion in nanoslot optical waveguides'2013 6,133,593'Channel design to reduce impact ionization in heterostructure field-effect transistors'2000 5,798,540'Electronic devices with InAlAsSb/AlSb barrier'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2019Patents assigned to US NAVY (5)· patent assignee history

1998Based in Greenbelt, MD, US· patent location history

2000–2019Based in Herndon, VA, US· patent location history

2013–2015Patents assigned to KHURGIN JACOB B (2)· patent assignee history

2013–2015Patents assigned to PARK DOEWON (2)· patent assignee history

2013–2015Patents assigned to PRUESSNER MARCEL W (2)· patent assignee history

2013–2015Patents assigned to RABINOVICH WILLIAM S (2)· patent assignee history

2021Based in Seongnam-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
US NAVY	5	1998–2019
KHURGIN JACOB B	2	2013–2015
PARK DOEWONself	2	2013–2015
PRUESSNER MARCEL W	2	2013–2015
RABINOVICH WILLIAM S	2	2013–2015

Locations

Location	Patents	Span
Herndon, Virginia, US	4	2000–2019
Seongnam-si, KR	1	2021
Greenbelt, Maryland, US	1	1998