Inventor
Khosrow Lashkari
Inventor
Palo Alto, CA, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis28%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers21%
H04MTelephonic communication17%
H04BTransmission7%
B60LPropulsion of electrically-propelled vehicles3%
G01RMeasuring electric variables3%
G01SRadio direction-finding3%
H02JElectric power networks3%
H03FAmplifiers3%
H03HImpedance networks, e.g. resonant circuits3%
PatentTitleYear
10,482,895Acoustic echo cancellation (AEC) rate adaptation201910,264,354Spatial cues from broadside detection201910,013,995Combined reference signal for acoustic echo cancellation20189,667,803'Nonlinear acoustic echo cancellation based on transducer impedance'20179,398,374'Systems and methods for nonlinear echo cancellation'20167,873,172'Modified volterra-wiener-hammerstein (MVWH) method for loudspeaker modeling and equalization'20117,826,625'Method and apparatus for frame-based loudspeaker equalization'20107,426,470'Energy-based nonuniform time-scale modification of audio signals'20087,295,549'Source and channel rate adaptation for VoIP'20077,236,928'Joint optimization of speech excitation and filter parameters'20077,200,552'Gradient descent optimization of linear prediction coefficients for speech coders'20076,859,775'Joint optimization of excitation and model parameters in parametric speech coders'20055,207,304'Inductive energization system and method for vehicles'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to UNIV CALIFORNIA (1)· patent assignee history
1993–2008Based in Fremont, CA, US· patent location history
2005–2011Patents assigned to NTT DOCOMO INC (7)· patent assignee history
2007Based in Freemont, CA, US· patent location history
2010–2011Based in Hayward, CA, US· patent location history
2016–2019Patents assigned to CIRRUS LOGIC INC (5)· patent assignee history
2016–2019Based in Palo Alto, CA, US· patent location history
2017–2019Patents assigned to CIRRUS LOGIC INT SEMICONDUCTOR LTD (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NTT DOCOMO INC | 7 | 2005–2011 |
| CIRRUS LOGIC INC | 5 | 2016–2019 |
| CIRRUS LOGIC INT SEMICONDUCTOR LTD | 4 | 2017–2019 |
| UNIV CALIFORNIA | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palo Alto, California, US | 5 | 2016–2019 |
| Fremont, California, US | 4 | 1993–2008 |
| Hayward, California, US | 2 | 2010–2011 |
| Freemont, California, US | 2 | 2007 |