Inventor

Byong H. Ahn

Inventor

Springfield, VA, US

Overview

8→

Patents

1978–2007

Patent span

Physics

Primary field (CPC G)

Patents· 8 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 light18%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein18%

C22CAlloys9%

G01CMeasuring distances, levels or bearings9%

G01RMeasuring electric variables9%

G01VGeophysics9%

G02BOptical elements, systems or apparatus9%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

7,259,925'Optical power switch'2007 7,177,516'Far infrared tandem low energy optical power limiter device'2007 5,739,950'Broadband protector for photodetectors'1998 4,980,554'Laser line identifier'1990 4,563,909'System for electronically tuning and suppressing 2N rectification torques in a dynamically tuned free rotor gyroscope'1986 4,458,536'Multiaxial vibration sensor'1984 4,306,907'Age hardened beryllium alloy and cermets'1981 4,084,428'Torque reaction motor performance evaluation'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1986Patents assigned to DRAPER LAB CHARLES S (4)· patent assignee history

1978–1986Based in Wayland, MA, US· patent location history

1990–2007Patents assigned to US ARMY (2)· patent assignee history

1990–2007Based in Springfield, VA, US· patent location history

2007Patents assigned to US DEPT OF THE ARMY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DRAPER LAB CHARLES S	4	1978–1986
US ARMY	2	1990–2007
US DEPT OF THE ARMY	1	2007

Locations

Location	Patents	Span
Springfield, Virginia, US	4	1990–2007
Wayland, Massachusetts, US	4	1978–1986