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For the Inventor, By the Inventor

Ottawa, Canada

Qnx Software Systems Co.


USPTO Granted Patents = 22

% Expired Patents = 4.5


Trademarks = 3

Forward Citations = 291

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16 inventors (with patents filed for the assignee):

goldMedal Phillip Alan Hetherington (16 out of 105 patents)

silverMedal Xueman Li (6 out of 28 patents)

bronzeMedal Shreyas Anand Paranjpe (4 out of 28 patents)

4.  Rajeev Nongpiur (4 out of 17 patents)

5.  Pierre Zakarauskas (3 out of 21 patents)

6.  Alex Escott (2 out of 15 patents)

7.  Phil Hetherington (2 out of 7 patents)

8.  Frank Linseisen (1 out of 6 patents)

9.  Kyle Tegan MacDonald (1 out of 4 patents)

10.  Adrian R Groves (1 out of 2 patents)

11.  Ian Soutar (1 out of 4 patents)

12.  Dennis Watkins (1 out of 3 patents)

13.  William Copeland (1 out of 2 patents)

14.  Shree Paranjpe (1 out of 1 patent)

15.  Glenn Andrew Mohan (1 out of 1 patent)


22 patents:

1. 8139777 - System for comfort noise injection (2012-03-20),
2. 8121311 - Mixer with adaptive post-filtering (2012-02-21),
3. 8116485 - Adaptive gain control system (2012-02-14),
4. 8086451 - System for improving speech intelligibility through high frequency compression (2011-12-27),
5. 8078461 - Robust noise estimation (2011-12-13),
6. 8073689 - Repetitive transient noise removal (2011-12-06),
7. 8036879 - Fast acoustic cancellation (2011-10-11),
8. 8027833 - System for suppressing passing tire hiss (2011-09-27),
9. 8015002 - Dynamic noise reduction using linear model fitting (2011-09-06),
10. 7957967 - Acoustic signal classification system (2011-06-07),
11. 7949522 - System for suppressing rain noise (2011-05-24),
12. 7949520 - Adaptive filter pitch extraction (2011-05-24),
13. 7945063 - Microphone shield system (2011-05-17),
14. 7928307 - Karaoke system (2011-04-19),
15. 7912729 - High-frequency bandwidth extension in the time domain (2011-03-22),
Company Overview
Qnx Software Systems Co., based in Ottawa, Canada, specializes in developing real-time operating systems and software solutions for embedded systems. The company is renowned for its robust and reliable technology, primarily serving industries such as automotive, medical, and industrial automation. QNX's platforms are designed to meet the stringent requirements of safety and performance, enabling the creation of advanced applications in connected devices and systems. Its expertise in safety-critical environments positions it as a leader in the embedded software domain.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

22 Patents

#46 in Ottawa

#652 in Canada

#28,782 in the World

Ottawa, CA
Ottawa, Canada

Qnx Software Systems Co.

Forward Citations = 291

16 inventors:

goldMedal Phillip Alan Hetherington (16 out of 105 patents)

silverMedal Xueman Li (6 out of 28 patents)

bronzeMedal Shreyas Anand Paranjpe (4 out of 28 patents)

4.  Rajeev Nongpiur (4 out of 17 patents)

5.  Pierre Zakarauskas (3 out of 21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Qnx Software Systems Co.. Retrieved from https://idiyas.com/company/qnx-software-systems-company

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

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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