LexDanaLexDanabeta
Inventor

Daniel F. Sievenpiper

Inventor
Los Angeles, CA, US

Overview

81→
Patents
2001–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 81 as inventor

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

H01Qprimary
H01QAntennas, i.e. radio aerials61%
G01SRadio direction-finding6%
H01PWaveguides4%
H01LSemiconductor devices3%
H05KPrinted circuits3%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
H04KSecret communication2%
H01HElectric switches2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
10,971,637Airship with a radio frequency transparent photovoltaic cell202110,923,611Method of fabricating a radio frequency transparent photovoltaic cell20219,893,217'Radio frequency transparent photovoltaic cell'20188,853,528'Radio frequency transparent photovoltaic cell'20148,339,320'Tunable frequency selective surface'20128,212,739'Multiband tunable impedance surface'20128,179,331'Free-space phase shifter having series coupled inductive-variable capacitance devices'20128,134,521'Electronically tunable microwave reflector'20128,098,187'Wide field of view millimeter wave imager'20128,063,833'Method of achieving an opaque or absorption state in a tunable frequency selective surface'20118,059,045'Antenna having an impedance matching section for integration into apparel'20117,965,220'Smart chaff'20117,929,147'Method and system for determining an optimized artificial impedance surface'20117,911,407'Method for designing artificial surface impedance structures characterized by an impedance tensor with complex components'20117,868,829'Reflectarray'20117,835,600'Microwave receiver front-end assembly and array'20107,830,310'Artificial impedance structure'20107,795,859'Low cost millimeter wave imager'20107,796,080'Wide field of view millimeter wave imager'20107,719,477'Free-space phase shifter having one or more columns of phase shift devices'20107,683,854'Tunable impedance surface and method for fabricating a tunable impedance surface'20107,639,207'Antenna structures having adjustable radiation characteristics'20097,612,718'Tunable frequency selective surface'20097,583,074'Low cost millimeter wave imager'20097,546,146'Control system and method for diversity antenna system'20097,533,615'Smart chaff'20097,471,258'Coaxial cable having high radiation efficiency'20087,456,803'Large aperture rectenna based on planar lens structures'20087,429,961'Method for fabricating antenna structures having adjustable radiation characteristics'20087,427,961'Method for improving the efficiency of transparent thin film antennas and antennas made by such method'20087,403,076'High frequency quasi optical power source capable of solid state implementation'20087,369,081'Smart chaff'20087,345,652'Antenna system and RF signal interference abatement method'20087,307,589'Large-scale adaptive surface sensor arrays'20077,303,603'Diesel particulate filter system with meta-surface cavity'20077,298,228'Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same'20077,289,073'Method for improving the efficiency of transparent thin film antennas and antennas made by such method'20077,276,990'Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same'20077,253,780'Steerable leaky wave antenna capable of both forward and backward radiation'20077,245,269'Adaptive beam forming antenna system using a tunable impedance surface'20077,242,518'Standing wave amplifiers and oscillators'20077,233,296'Transparent thin film antenna'20077,218,281'Artificial impedance structure'20077,197,800'Method of making a high impedance surface'20077,173,565'Tunable frequency selective surface'20077,164,387'Compact tunable antenna'20077,154,444'Ground plane compensation for mobile antennas'20067,154,451'Large aperture rectenna based on planar lens structures'20067,151,508'Antenna system and RF signal interference abatement method'20067,091,457'Meta-surface waveguide for uniform microwave heating'20067,071,888'Steerable leaky wave antenna capable of both forward and backward radiation'20067,068,234'Meta-element antenna and array'20067,050,003'Low-profile antenna'20067,042,403'Dual band, low profile omnidirectional antenna'20066,989,785'Low-profile, multi-band antenna module'20066,982,676'Plano-convex rotman lenses, an ultra wideband array employing a hybrid long slot aperture and a quasi-optic beam former'20066,952,190'Low profile slot antenna using backside fed frequency selective surface'20056,952,184'Circularly polarized antenna having improved axial ratio'20056,911,952'Crossed-slot antenna for mobile satellite and terrestrial radio reception'20056,867,741'Antenna system and RF signal interference abatement method'20056,864,848'RF MEMs-tuned slot antenna and a method of making same'20056,853,339'Low-profile, multi-antenna module, and method of integration into a vehicle'20056,812,903'Radio frequency aperture'20046,777,244'Compact sensor using microcavity structures'20046,739,028'Molded high impedance surface and a method of making same'20046,670,921'Low-cost HDMI-D packaging technique for integrating an efficient reconfigurable antenna array with RF MEMS switches and a high impedance surface'20036,646,618'Low-profile slot antenna for vehicular communications and methods of making and designing same'20036,567,057'Hi-Z (photonic band gap isolated) wire'20036,552,696'Electronically tunable reflector'20036,545,647'Antenna system for communicating simultaneously with a satellite and a terrestrial system'20036,538,621'Tunable impedance surface'20036,518,931'Vivaldi cloverleaf antenna'20036,496,155'End-fire antenna or array on surface with tunable impedance'20026,483,480'Tunable impedance surface'20026,483,481'Textured surface having high electromagnetic impedance in multiple frequency bands'20026,441,792'Low-profile, multi-antenna module, and method of integration into a vehicle'20026,433,756'Method of providing increased low-angle radiation sensitivity in an antenna and an antenna having increased low-angle radiation sensitivity'20026,426,722'Polarization converting radio frequency reflecting surface'20026,384,797'Reconfigurable antenna for multiple band, beam-switching operation'20026,366,254'Planar antenna with switched beam diversity for interference reduction in a mobile environment'20026,323,826'Tunable-impedance spiral'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2012Patents assigned to HRL LAB LLC (62)· patent assignee history
2001–2012Based in Los Angeles, CA, US· patent location history
2002–2021Patents assigned to RAYTHEON CO (8)· patent assignee history
2005–2007Patents assigned to GEN MOTORS CORP (6)· patent assignee history
2006–2012Based in Santa Monica, CA, US· patent location history
2007–2009Patents assigned to GM GLOBAL TECH OPERATIONS INC (6)· patent assignee history
2011–2014Patents assigned to SIEVENPIPER DANIEL F (6)· patent assignee history
2014–2021Based in San Diego, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HRL LAB LLC622001–2012
RAYTHEON CO82002–2021
GEN MOTORS CORP62005–2007
GM GLOBAL TECH OPERATIONS INC62007–2009
SIEVENPIPER DANIEL Fself62011–2014
Locations
LocationPatentsSpan
Los Angeles, California, US462001–2012
Santa Monica, California, US312006–2012
San Diego, California, US42014–2021