Inventor
Jingming Xu
Inventor
Providence, RI, US
Overview
Patents· 32 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B82Yprimary
B82YSpecific uses or applications of nanostructures12%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light12%
G02BOptical elements, systems or apparatus10%
H10DInorganic electric semiconductor devices7%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
G10LSpeech analysis techniques or speech synthesis4%
H04MTelephonic communication4%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B29CShaping or joining of plastics3%
PatentTitleYear
10,850,061Lighting system for circadian control and enhanced performance20209,749,475'Method and apparatus for reducing distortion echo'20179,736,287'Detecting and switching between noise reduction modes in multi-microphone mobile devices'20179,697,846'Method and apparatus for reducing echo'20179,692,379'Adaptive audio capturing'20179,299,361'Signal noise reduction'20169,267,853'Device and methods for temperature and humidity measurements using a nanocomposite film sensor'20169,253,402'Video anti-shaking method and video anti-shaking device'20169,200,378'Methods of making nanowires'20158,951,462'Method for manufacturing porous ceramic bodies with gradient of porosity'20158,311,377'Method and apparatus for detecting multiple optical wave lengths'20128,041,163'Method and apparatus for detecting multiple optical wavelengths'20117,496,257'Method and apparatus for detecting multiple optical wavelengths'20097,356,224'Method and apparatus for detecting multiple optical wave lengths'20086,737,939'Carbon nanotube array RF filter'20046,685,810'Development of a gel-free molecular sieve based on self-assembled nano-arrays'20046,657,786'Synthesis of supergratings by fourier methods'20036,415,081'Synthesis of supergratings by fourier methods'20026,325,909'Method of growth of branched carbon nanotubes and devices produced from the branched nanotubes'20016,289,032'Self-collimating multiwavelength lasers'20016,141,370'Superimposed grating WDM tunable lasers'20005,970,190'Grating-in-etalon polarization insensitive wavelength division multiplexing devices'19995,563,902'Semiconductor ridge waveguide laser with lateral current injection'19965,491,711'Semiconductor laser device'19965,394,424'Semiconductor laser device'19955,012,301'Three terminal semiconductor device'19914,999,682'Electronic and optoelectronic laser devices utilizing light hole properties'19914,998,154'MSM photodetector with superlattice'19914,950,924'High speed noise immune bipolar logic family'19904,901,122'Double-base hot carrier transistor'19904,899,201'Electronic and optoelectric devices utilizing light hole properties'19904,845,541'Tunneling emitter bipolar transistor'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1991Patents assigned to UNIV MINNESOTA (4)· patent assignee history
1990–2000Patents assigned to NORTHERN TELECOM LTD (4)· patent assignee history
1990–1991Based in Etobicoke, CA· patent location history
1990–1991Based in Toronto, CA· patent location history
1996–2001Based in Oakville, CA· patent location history
2001–2020Based in Providence, RI, US· patent location history
2004–2012Patents assigned to UNIV BROWN RES FOUND (6)· patent assignee history
2015–2020Patents assigned to UNIV BROWN (3)· patent assignee history
2016–2017Patents assigned to SPREADTRUM COMM SHANGHAI CO (6)· patent assignee history
2016–2017Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SPREADTRUM COMM SHANGHAI CO | 6 | 2016–2017 |
| UNIV BROWN RES FOUND | 6 | 2004–2012 |
| NORTHERN TELECOM LTD | 4 | 1990–2000 |
| UNIV MINNESOTA | 4 | 1989–1991 |
| UNIV BROWN | 3 | 2015–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Providence, RI, US | 13 | 2001–2020 |
| Shanghai, CN | 6 | 2016–2017 |
| Oakville, CA | 5 | 1996–2001 |
| Etobicoke, CA | 3 | 1990–1991 |
| Toronto, CA | 3 | 1990–1991 |