Inventor

Bhiksha Ramakrishnan

Inventor
Watertown, MA, US

Overview

19→
Patents
2005–2013
Patent span
Physics
Primary field (CPC G)

Patents· 19 as inventor

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

G10Lprimary
G10LSpeech analysis techniques or speech synthesis54%
G06FElectric digital data processing25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
G01SRadio direction-finding4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
H04BTransmission4%
PatentTitleYear
8,375,030'Differentially private aggregate classifier for multiple databases'20138,275,622'Ultrasonic doppler sensor for speaker recognition'20128,229,921'Method for indexing for retrieving documents using particles'20128,041,577'Method for expanding audio signal bandwidth'20118,015,003'Denoising acoustic signals using constrained non-negative matrix factorization'20117,917,368'Method for interacting with users of speech recognition systems'20117,821,870'Method and system for identifying moving objects using acoustic signals'20107,792,314'System and method for acquiring acoustic signals using doppler techniques'20107,698,143'Constructing broad-band acoustic signals from lower-band acoustic signals'20107,672,842'Method and system for FFT-based companding for automatic speech recognition'20107,542,966'Method and system for retrieving documents with spoken queries'20097,454,333'Separating multiple audio signals recorded as a single mixed signal'20087,372,770'Ultrasonic Doppler sensor for speech-based user interface'20087,318,005'Shift-invariant probabilistic latent component analysis'20087,305,132'Classification in likelihood spaces'20077,243,063'Classifier-based non-linear projection for continuous speech segmentation'20077,171,358'Compression of language model structures and word identifiers for automated speech recognition systems'20077,050,954'Tracking noise via dynamic systems with a continuum of states'20066,877,001'Method and system for retrieving documents with spoken queries'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2013Patents assigned to MITSUBISHI ELECTRIC RES LAB (19)· patent assignee history
2005–2012Based in Watertown, MA, US· patent location history
2012–2013Patents assigned to RAMAKRISHNAN BHIKSHA (2)· patent assignee history
2012Patents assigned to GOUVEA EVANDRO B (1)· patent assignee history
2012Patents assigned to HARSHAM BRET A (1)· patent assignee history
2012Patents assigned to KALGAONKAR KAUSTUBH (1)· patent assignee history
2012–2013Based in Pittsburgh, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC RES LAB192005–2013
RAMAKRISHNAN BHIKSHAself22012–2013
GOUVEA EVANDRO B12012
HARSHAM BRET A12012
KALGAONKAR KAUSTUBH12012
Locations
LocationPatentsSpan
Watertown, Massachusetts, US172005–2012
Pittsburgh, Pennsylvania, US22012–2013