Inventor

Katherine A. Yanushefski

Inventor

Zionsville, PA, US

Overview

24→

Patents

1989–2013

Patent span

Physics

Primary field (CPC G)

Patents· 24 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus42%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%

H10DInorganic electric semiconductor devices6%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation6%

B82YSpecific uses or applications of nanostructures4%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%

H04BTransmission4%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%

G06FElectric digital data processing2%

PatentTitleYear

8,363,995'Sub-micron planar lightwave devices formed on an SOI optical platform'2013 7,929,814'Sub-micron planar lightwave devices formed on an SOI optical platform'2011 7,587,106'Optical crossover in thin silicon'2009 7,440,703'High-speed, silicon-based electro-optic modulator with feedback control'2008 7,358,585'Silicon-based Schottky barrier infrared optical detector'2008 7,298,949'SOI-based photonic bandgap devices'2007 7,187,837'Active manipulation of light in a silicon-on-insulator (SOI) structure'2007 7,113,676'Planar waveguide optical isolator in thin silicon-on-isolator (SOI) structure'2006 7,109,739'Wafer-level opto-electronic testing apparatus and method'2006 7,065,301'High speed, silicon-based electro-optic modulator'2006 7,058,261'Interfacing multiple wavelength sources to thin optical waveguides utilizing evanescent coupling'2006 7,020,364'Permanent light coupling arrangement and method for use with thin silicon optical waveguides'2006 7,013,067'Silicon nanotaper couplers and mode-matching devices'2006 7,003,196'External grating structures for interfacing wavelength-division-multiplexed optical sources with thin optical waveguides'2006 7,000,207'Method of using a Manhattan layout to realize non-Manhattan shaped optical structures'2006 6,980,720'Mode transformation and loss reduction in silicon waveguide structures utilizing tapered transition regions'2005 6,968,110'CMOS-compatible integration of silicon-based optical devices with electronic devices'2005 6,934,444'Beam shaping and practical methods of reducing loss associated with mating external sources and optics to thin silicon waveguides'2005 6,917,730'Arrangements for reducing wavelength sensitivity in prism-coupled SOI-based optical systems'2005 6,897,498'Polycrystalline germanium-based waveguide detector integrated on a thin silicon-on-insulator (SOI) platform'2005 6,845,198'High-speed silicon-based electro-optic modulator'2005 6,517,258'Plastic packaged optoelectronic device'2003 5,920,583'Dual laser with thermoelectric cooling'1999 4,873,566'Multilayer ceramic laser package'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Based in Bethlehem Township, Northampton County, PA, US· patent location history

1999–2003Based in Hereford, PA, US· patent location history

2005–2008Patents assigned to SIOPTICAL INC (17)· patent assignee history

2005–2013Based in Zionsville, PA, US· patent location history

2006–2013Patents assigned to GHIRON MARGARET (2)· patent assignee history

2006–2013Patents assigned to GOTHOSKAR PRAKASH (2)· patent assignee history

2006–2013Patents assigned to MONTGOMERY ROBERT KEITH (2)· patent assignee history

2009–2011Patents assigned to LIGHTWIRE INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SIOPTICAL INC	17	2005–2008
GHIRON MARGARET	2	2006–2013
GOTHOSKAR PRAKASH	2	2006–2013
LIGHTWIRE INC	2	2009–2011
MONTGOMERY ROBERT KEITH	2	2006–2013

Locations

Location	Patents	Span
Zionsville, Pennsylvania, US	21	2005–2013
Hereford, Pennsylvania, US	2	1999–2003
Bethlehem Township, Northampton County, Pennsylvania, US	1	1989