Inventor

Frank Stephen Walters

Inventor

Kutztown, PA, US

Overview

12→

Patents

1976–2006

Patent span

Physics

Primary field (CPC G)

Patents· 12 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps17%

G02BOptical elements, systems or apparatus11%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

B23KSoldering or unsoldering6%

B82YSpecific uses or applications of nanostructures6%

C03CChemical composition of glasses, glazes or vitreous enamels6%

G01BMeasuring length, thickness or similar linear dimensions6%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%

PatentTitleYear

6,990,256'Segmented modulator for high-speed opto-electronics'2006 6,782,170'Optical device having a reference mark system'2004 6,778,309'Electroabsorption modulator with tunable chirp'2004 6,582,548'Compression bonding method using laser assisted heating'2003 6,304,332'Precision grating period measurement arrangement'2001 6,272,157'Apparatus and method for calibrating a wavelength stabilized laser'2001 6,243,403'Method and apparatus for integrated optical wavelength stabilization'2001 6,185,830'Semiconductor wafer fixture for alignment in a grating exposure process'2001 4,210,838'Gas discharge display panel'1980 4,193,017'Gas discharge display panel'1980 4,185,230'Gas discharge display panel having an array of discharge cavities and a self scan glow transfer device formed by cavities in the array'1980 3,942,071'Gas-discharge display device driving circuits'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to FERRANTI LTD (4)· patent assignee history

1976–1980Based in Bury, GB· patent location history

2001Patents assigned to AGERE SYST OPTOELECTRONICS (2)· patent assignee history

2001Patents assigned to LUCENT TECHNOLOGIES INC (2)· patent assignee history

2001–2006Based in Kutztown, PA, US· patent location history

2003–2006Patents assigned to TRIQUINT TECHNOLOGY HOLDING CO (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FERRANTI LTD	4	1976–1980
TRIQUINT TECHNOLOGY HOLDING CO	4	2003–2006
AGERE SYST OPTOELECTRONICS	2	2001
LUCENT TECHNOLOGIES INC	2	2001

Locations

Location	Patents	Span
Kutztown, Pennsylvania, US	8	2001–2006
Bury, GB	4	1976–1980