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For the Inventor, By the Inventor

Naperville, IL, United States of America

Rathinavelu Chengalvarayan

This inventor holds 37 USPTO granted patents and 3 published patent applications, primarily in Speech Recognition. Top assignees: Gm Global Technolgoy Operations, Inc., Lucent Technologies Inc., At&t Intellectual Property I, LP. Active years: 2000-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rathinavelu Chengalvarayan. Retrieved from https://idiyas.com/inventor/rathinavelu-chengalvarayan

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 37 

% Patents Active = 45.9

Average Co-Inventor Count = 2.0

ph-index = 12

Forward Citations = 912(Granted Patents)


Location History:

  • Lisle, IL (US) (2000)
  • Naperville, IL (US) (2001 - 2021)

Company Filing History:

goldMedal31 out of 31,977 
 
Gm Global Technolgoy Operations, Inc.
 patents
silverMedal5 out of 9,364 
 
Lucent Technologies Inc.
 patents
bronzeMedal3 out of 16,781 
 
At&t Intellectual Property I, LP
 patents
where one patent can have more than one assignee

Years Active: 2000-2021

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Areas of Expertise:
Speech Recognition
Personalization
Noise Rejection
Vehicle Integration
Voice Dialing
Speech Synthesis
Dynamic Clustering
Nametag Management
Multi-Talker Background
Acoustic Model Adaptation
Transient Noise
HMM-Based Features
37 patents (USPTO):Explore Patents
1. 11074905 - System and method for personalization in speech recognition (2021-07-27),
2. 9966063 - System and method for personalization in speech recognition (2018-05-08),
3. 9620106 - System and method for personalization in speech recogniton (2017-04-11),
4. 9564120 - Speech adaptation in speech synthesis (2017-02-07),
5. 9245526 - Dynamic clustering of nametags in an automated speech recognition system (2016-01-26),
6. 9210249 - Method of controlling dialing modes in a vehicle (2015-12-08),
7. 9177557 - Singular value decomposition for improved voice recognition in presence of multi-talker background noise (2015-11-03),
8. 9082414 - Correcting unintelligible synthesized speech (2015-07-14),
9. 8787977 - Method of controlling dialing modes in a vehicle (2014-07-22),
10. 8762151 - Speech recognition for premature enunciation (2014-06-24),
11. 8756062 - Male acoustic model adaptation based on language-independent female speech data (2014-06-17),
12. 8688451 - Distinguishing out-of-vocabulary speech from in-vocabulary speech (2014-04-01),
13. 8626506 - Method and system for dynamic nametag scoring (2014-01-07),
14. 8600760 - Correcting substitution errors during automatic speech recognition by accepting a second best when first best is confusable (2013-12-03),
15. 8600741 - Method of using microphone characteristics to optimize speech recognition performance (2013-12-03),

Title: **Rathinavelu Chengalvarayan: Innovator in Speech Recognition Technology**

Introduction

Rathinavelu Chengalvarayan is a distinguished inventor based in Naperville, IL, renowned for his innovative contributions to speech recognition technology. With an extensive portfolio of 37 patents, he has made significant strides in creating systems and methods that enhance user interaction with technology through personalized speech recognition.

Latest Patents

Among his latest patents is the innovative "System and method for personalization in speech recognition." This invention encompasses systems, methods, and computer-readable storage devices designed to identify user profiles specifically for speech recognition. The user profile may be selected from several profiles associated with a speaker and can be determined by various factors such as the identity of the speaker, their location, the device in use, and other relevant parameters. The approach allows for hierarchical parameters that can be interdependent or independent, showcasing the versatility and depth of his work in the field.

Career Highlights

Rathinavelu has had a notable career, working with prominent companies such as GM Global Technology Operations LLC and Lucent Technologies Inc. His roles in these organizations have allowed him to apply his innovative ideas practically, contributing to advancements in technology and improving user experiences.

Collaborations

Throughout his career, Rathinavelu has collaborated with other talented professionals, including Gaurav Talwar and Timothy Grost. These partnerships have fostered a dynamic exchange of ideas and creativity, further propelling advancements in their respective projects and innovations.

Conclusion

In summary, Rathinavelu Chengalvarayan stands out as an influential inventor in the realm of speech recognition technology. His 37 patents reflect a commitment to advancing how users interact with devices, emphasizing personalization and efficiency. With continued collaboration and innovation, his contributions will undoubtedly shape the future of technology in meaningful ways.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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