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For the Inventor, By the Inventor

Uppsala, Sweden

Dirac Research Ab


USPTO Granted Patents = 16


Trademarks = 5

Forward Citations = 46

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17 inventors (with patents filed for the assignee):

goldMedal Lars-Johan Brännmark (6 out of 6 patents)

silverMedal Anders Ahlen (5 out of 5 patents)

bronzeMedal Adrian Bahne (3 out of 3 patents)

4.  Mikael Sternad (3 out of 3 patents)

5.  Johannes Röjder (2 out of 2 patents)

6.  Mattias Arlbrant (2 out of 2 patents)

7.  Jakob Ågren (2 out of 2 patents)

8.  Viktor Gunnarsson (2 out of 2 patents)

9.  Pedro Højen-Sørensen (1 out of 2 patents)

10.  Morten Rolle Hansen (1 out of 12 patents)

11.  Simon Widmark (1 out of 1 patent)

12.  Søren Skovgaard Christensen (1 out of 7 patents)

13.  Nilo Casimiro Ericsson (1 out of 1 patent)

14.  Sead Smailagic (1 out of 8 patents)

15.  Mathias Johansson (1 out of 1 patent)


16 patents:

1. 12432517 - HRTF pre-processing for audio applications (2025-09-30),
2. 12254863 - Method and system for generating harmonics as well as an amplitude proportional harmonics unit for virtual bass systems (2025-03-18),
3. 11800309 - Bass management in audio systems (2023-10-24),
4. 11349447 - Generating harmonics in an audio system (2022-05-31),
5. 11246000 - Audio precompensation filter optimized with respect to bright and dark zones (2022-02-08),
6. 11038482 - Parametric equalization for audio applications (2021-06-15),
7. 10715945 - Methods and systems for determining and/or using an audio filter based on head-tracking data (2020-07-14),
8. 10638227 - Processing of an audio input signal (2020-04-28),
9. 10284995 - Reducing the phase difference between audio channels at multiple spatial positions (2019-05-07),
10. 10251015 - Personal multichannel audio controller design (2019-04-02),
11. 9781510 - Audio precompensation controller design using a variable set of support loudspeakers (2017-10-03),
12. 9706327 - Audio decoder configured to convert audio input channels for headphone listening (2017-07-11),
13. 9426600 - Audio precompensation controller design with pairwise loudspeaker channel similarity (2016-08-23),
14. 8213637 - Sound field control in multiple listening regions (2012-07-03),
15. 8194885 - Spatially robust audio precompensation (2012-06-05),
DIRAC RESEARCH AB is a Swedish audio technology company specializing in digital sound optimization solutions. Their innovative and patented audio solutions are used in various industries, including automotive, mobile devices, and home entertainment. Dirac's advanced software algorithms enhance audio quality, creating immersive and natural sound experiences for users. With a focus on precision and performance, Dirac Research continues to revolutionize audio technology and deliver cutting-edge audio solutions worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

16 Patents

#17 in Uppsala

#379 in Sweden

#36,651 in the World

...
Uppsala, Sweden

Dirac Research Ab

Forward Citations = 46

17 inventors:

goldMedal Lars-Johan Brännmark (6 out of 6 patents)

silverMedal Anders Ahlen (5 out of 5 patents)

bronzeMedal Adrian Bahne (3 out of 3 patents)

4.  Mikael Sternad (3 out of 3 patents)

5.  Johannes Röjder (2 out of 2 patents)

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