Inventor

John D. Joannopoulos

Inventor

Belmont, MA, US

Overview

1995–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 121 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus12%

B82YSpecific uses or applications of nanostructures8%

H01QAntennas, i.e. radio aerials8%

H04BTransmission7%

H02JElectric power networks7%

B60LPropulsion of electrically-propelled vehicles6%

H01PWaveguides6%

Y02TClimate change mitigation technologies related to transportation6%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein5%

H01FMagnets5%

PatentTitleYear

11,005,413Highly-efficient near-field thermophotovoltaics using surface-polariton emitters and thin-film photovoltaic-cell absorbers2021 10,785,858Apparatus and methods for generating electromagnetic radiation2020 10,666,091Wireless non-radiative energy transfer2020 10,505,334Apparatus and methods for generating and enhancing Smith-Purcell radiation2019 10,406,723Dynamic in-fiber particle production with precise dimensional control2019 10,352,856Apparatus and methods for spectroscopy and broadband light emission using two-dimensional plasmon fields2019 10,338,000Fiber sensor2019 10,324,237Transparent displays with scattering nanoparticles and thin films for enhanced scattering2019 RE047157Discriminating electromagnetic radiation based on angle of incidence2018 10,141,790Wireless non-radiative energy transfer2018 10,112,321High-pressure in-fiber particle production with precise dimensional control2018 10,097,044Wireless energy transfer2018 10,073,191Methods and apparatus for broadband angular selectivity of electromagnetic waves2018 9,831,682Efficient near-field wireless energy transfer using adiabatic system variations2017 9,831,722Wireless non-radiative energy transfer2017 9,509,147'Wireless energy transfer'2016 9,450,421'Wireless non-radiative energy transfer'2016 9,450,422'Wireless energy transfer'2016 9,444,265'Wireless energy transfer'2016 9,365,013'Multimaterial thermally drawn piezoelectric fibers'2016 9,116,537'Thermophotovoltaic energy generation'2015 9,065,286'Wireless non-radiative energy transfer'2015 9,057,830'Discriminating electromagnetic radiation based on angle of incidence'2015 9,046,647'Three-dimensional periodic dielectric structures having photonic Dirac points'2015 8,969,831'Excitation enhancement and extraction enhancement with photonic crystals'2015 8,928,543'Gyrotropic metamaterial structure'2015 8,863,556'Optoelectronic fiber codrawn from conducting, semiconducting, and insulating materials'2014 8,836,172'Efficient near-field wireless energy transfer using adiabatic system variations'2014 8,791,599'Wireless energy transfer to a moving device between high-Q resonators'2014 8,772,972'Wireless energy transfer across a distance to a moving device'2014 8,772,971'Wireless energy transfer across variable distances with high-Q capacitively-loaded conducting-wire loops'2014 8,766,485'Wireless energy transfer over distances to a moving device'2014 8,760,008'Wireless energy transfer over variable distances between resonators of substantially similar resonant frequencies'2014 8,760,007'Wireless energy transfer with high-Q to more than one device'2014 8,663,522'Fiber draw synthesis'2014 8,630,519'Photodetecting fiber'2014 8,472,771'Surface-PlasmonoDielectric-polaritonic devices and systems'2013 8,442,078'Microfluidic radial fiber laser utilizing an external polarizer to modulate its azimuthal intensity distribution'2013 8,400,019'Wireless energy transfer with high-Q from more than one source'2013 8,400,020'Wireless energy transfer with high-Q devices at variable distances'2013 8,400,023'Wireless energy transfer with high-Q capacitively loaded conducting loops'2013 8,400,021'Wireless energy transfer with high-Q sub-wavelength resonators'2013 8,400,024'Wireless energy transfer across variable distances'2013 8,400,018'Wireless energy transfer with high-Q at high efficiency'2013 8,400,022'Wireless energy transfer with high-Q similar resonant frequency resonators'2013 8,395,282'Wireless non-radiative energy transfer'2013 8,395,283'Wireless energy transfer over a distance at high efficiency'2013 8,369,670'Optical devices having controlled nonlinearity'2013 8,362,651'Efficient near-field wireless energy transfer using adiabatic system variations'2013 8,285,091'Efficient terahertz sources based on difference-frequency generation in triply-resonant photonic resonators'2012 8,098,966'Thermal sensing fiber devices'2012 8,097,983'Wireless energy transfer'2012 8,084,889'Wireless non-radiative energy transfer'2011 8,076,800'Wireless non-radiative energy transfer'2011 8,076,801'Wireless energy transfer, including interference enhancement'2011 8,045,257'Nonlinear harmonic generation and devices in doubly-resonant Kerr cavities'2011 8,022,576'Wireless non-radiative energy transfer'2011 7,970,022'Surface-emitting fiber laser'2011 7,825,543'Wireless energy transfer'2010 7,805,029'Thermal sensing fiber devices'2010 7,768,694'Efficient harmonic generation and frequency conversion in multi-mode cavities'2010 7,741,734'Wireless non-radiative energy transfer'2010 7,689,068'One-way waveguides using gyrotropic photonic crystals'2010 7,567,740'Thermal sensing fiber devices'2009 7,532,384'Ï€-Phase shift device for light'2009 7,421,171'Efficient terahertz sources by optical rectification in photonic crystals and metamaterials exploiting tailored transverse dispersion relations'2008 7,339,539'Photonic crystal exhibiting negative refraction without requiring a negative effective index'2008 7,319,709'Creating photon atoms'2008 7,295,734'Optoelectronic fiber codrawn from conducting, semiconducting, and insulating materials'2007 7,292,758'Optoelectronic fiber photodetector'2007 7,272,285'Fiber waveguides and methods of making the same'2007 7,260,287'Nano-electromechanical high-index contrast'2007 7,224,868'Radiation-free optical cavity'2007 7,190,853'Tunable chromatic dispersion compensation'2007 7,187,832'Gap-soliton devices in photonic crystal fibers'2007 7,184,641'Surface-plasmon index guided (SPIG) waveguides and surface-plasmon effective index guided (SPEIG) waveguides'2007 7,177,513'Metamaterials employing photonic crystal'2007 7,116,458'Coherent generation, conversion, and modulation of electromagnetic radiation using shock waves or solitons propagating through polaritonic or excitonic materials'2006 7,079,308'Shock-wave modulation and control of electromagnetic radiation'2006 7,072,553'Low-loss photonic crystal waveguide having large core radius'2006 7,072,547'Waveguide coupling into photonic crystal waveguides'2006 7,058,242'Polarization-independent optical networks in 3D photonic crystals'2006 7,031,585'Using electro-magnetically induced transparency in photonic crystal cavities to obtain large non-linear effects'2006 7,027,681'Using optical solitons to increase figure-of-merit of laser beam deflection devices'2006 6,917,431'Mach-Zehnder interferometer using photonic band gap crystals'2005 6,903,873'High omnidirectional reflector'2005 6,898,359'High index-contrast fiber waveguides and applications'2005 6,888,175'Compound semiconductor structure with lattice and polarity matched heteroepitaxial layers'2005 6,853,789'Low-loss resonator and method of making same'2005 6,828,575'Photonic crystals: a medium exhibiting anomalous cherenkov radiation'2004 6,809,856'Shock-wave modulation and control of electromagnetic radiation'2004 6,788,864'High index-contrast fiber waveguides and applications'2004 6,728,439'Electromagnetic mode conversion in photonic crystal multimode waveguides'2004 6,716,475'Biocompatible photonic crystals'2004 6,625,364'Low-loss photonic crystal waveguide having large core radius'2003 6,624,945'Thin film filters using omnidirectional reflectors'2003 6,603,911'Omnidirectional multilayer device for enhanced optical waveguiding'2003 6,597,851'Periodic dielectric structure having a complete three-dimensional photonic band gap'2003 6,573,813'All-dielectric coaxial waveguide with annular sections'2003 6,574,383'Input light coupler using a pattern of dielectric contrast distributed in at least two dimensions'2003 6,512,866'High efficiency channel drop filter with absorption induced on/off switching and modulation'2003 6,512,242'Resonant-tunneling electronic transportors'2003 6,463,200'Omnidirectional multilayer device for enhanced optical waveguiding'2002 6,424,763'Tunable add/drop filter using side-coupled resonant tunneling'2002 6,198,860'Optical waveguide crossings'2001 6,134,043'Composite photonic crystals'2000 6,130,780'High omnidirectional reflector'2000 6,130,969'High efficiency channel drop filter'2000 6,101,300'High efficiency channel drop filter with absorption induced on/off switching and modulation'2000 6,058,127'Tunable microcavity and method of using nonlinear materials in a photonic crystal'2000 5,999,308'Methods and systems for introducing electromagnetic radiation into photonic crystals'1999 5,990,850'Metallodielectric photonic crystal'1999 5,955,749'Light emitting device utilizing a periodic dielectric structure'1999 5,784,400'Resonant cavities employing two dimensionally periodic dielectric materials'1998 5,682,401'Resonant microcavities employing one-dimensionally periodic dielectric waveguides'1997 5,600,483'Three-dimensional periodic dielectric structures having photonic bandgaps'1997 5,526,449'Optoelectronic integrated circuits and method of fabricating and reducing losses using same'1996 5,471,180'Low-loss dielectric resonant devices having lattice structures with elongated resonant defects'1995 5,448,514'Ultra high density dimer memory device'1995 5,440,421'Three-dimensional periodic dielectric structures having photonic bandgaps'1995 5,389,943'Filter utilizing a frequency selective non-conductive dielectric structure'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2021Patents assigned to MASSACHUSETTS INST TECHNOLOGY (114)· patent assignee history

1995–2021Based in Belmont, MA, US· patent location history

2011–2016Patents assigned to JOANNOPOULOS JOHN D (32)· patent assignee history

2011–2016Patents assigned to SOLJACIC MARIN (28)· patent assignee history

2011–2016Patents assigned to KARALIS ARISTEIDIS (22)· patent assignee history

2012–2016Patents assigned to FINK YOEL (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MASSACHUSETTS INST TECHNOLOGY	114	1995–2021
JOANNOPOULOS JOHN Dself	32	2011–2016
SOLJACIC MARIN	28	2011–2016
KARALIS ARISTEIDIS	22	2011–2016
FINK YOEL	6	2012–2016

Locations

Location	Patents	Span
Belmont, Massachusetts, US	121	1995–2021