Janusz Klejsa

This inventor holds 24 USPTO granted patents and 8 published patent applications, plus 6 CIPO patents and 19 EPO patents, primarily in Audio Processing. Top assignees: Dolby International Ab, Dolby Laboratories Licensing Corporation, Huawei Technologies Co., Limited. Active years: 2015-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Janusz Klejsa. Retrieved from https://idiyas.com/inventor/janusz-klejsa

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

Calculating rank

USPTO Granted Patents = 24 (Patent Applications = 8)

% Patents Active = 91.7

CIPO Patents = 6

EPO Patents = 19 (Patent Applications = 25)

Average Co-Inventor Count = 3.2

ph-index = 4

Forward Citations = 38(Granted Patents)

Location History:

Stockholm, SE (2015 - 2016)
Bromma, SE (2016 - 2023)
Solna, SE (2021 - 2023)

Company Filing History:

20 out of 1,032

Dolby International Ab

patents

5 out of 2,747

Dolby Laboratories Licensing Corporation

patents

4 out of 30,003

Huawei Technologies Co., Limited

patents

where one patent can have more than one assignee

Years Active: 2015-2026

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Areas of Expertise:

Generative Neural Network

Audio Samples

Signal Coding

Voice Encoding

Transform Coefficients

Waveform Coding

Media Content

Streaming Media

Multichannel Audio

Soundfield Coding

Quantization Index

Content Delivery Network

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12579991 - Generative neural network model for processing audio samples in a filter-bank domain (2026-03-17),

2. 12494216 - Signal coding using a generative model and latent domain quantization (2025-12-09),

3. 12444426 - Voice encoding and decoding using transform coefficients adjusted by spectral model and spectral shaper (2025-10-14),

4. 12424226 - Methods and system for waveform coding of audio signals with a generative model by implementing a probability distribution (2025-09-23),

5. 12170712 - Method and system for providing media content to a client (2024-12-17),

6. 11621011 - Methods and apparatus for rate quality scalable coding with generative models (2023-04-04),

7. 11621009 - Audio processing for voice encoding and decoding using spectral shaper model (2023-04-04),

8. 11489938 - Method and system for providing media content to a client (2022-11-01),

9. 11201901 - Methods and systems for streaming media data over a content delivery network (2021-12-14),

10. 10553224 - Method and system for inter-channel coding (2020-02-04),

11. 10515647 - Audio processing for voice encoding and decoding (2019-12-24),

12. 10311884 - Advanced quantizer (2019-06-04),

13. 10049683 - Audio encoder and decoder (2018-08-14),

14. 10043528 - Audio encoder and decoder (2018-08-07),

15. 9955276 - Parametric encoding and decoding of multichannel audio signals (2018-04-24),

Title: Janusz Klejsa: Innovator in Audio Encoding and Decoding

Introduction

Janusz Klejsa is a prominent inventor based in Bromma, Sweden. He has made significant contributions to the field of audio technology, holding a total of 22 patents. His work primarily focuses on audio encoding and decoding systems, which are essential for modern communication and entertainment technologies.

Latest Patents

Among his latest patents is a system for voice encoding and decoding that utilizes transform coefficients adjusted by a spectral model and spectral shaper. This innovative audio codec system transforms input audio signals into a block of transform coefficients, which represent the spectral energy of the audio. The method includes estimating a spectral envelope and adjusting the transform coefficients accordingly. Another notable patent involves waveform coding of audio signals using a generative model that implements a probability distribution. This method enhances the accuracy of waveform decoding and signal reconstruction, showcasing his expertise in audio processing.

Career Highlights

Janusz has worked with notable companies in the audio industry, including Dolby International AB and Dolby Laboratories Licensing Corporation. His experience in these organizations has allowed him to develop cutting-edge technologies that have influenced audio standards worldwide.

Collaborations

Throughout his career, Janusz has collaborated with talented professionals such as Lars Villemoes and Heiko Purnhagen. These partnerships have contributed to the advancement of audio technologies and the successful implementation of his innovative ideas.

Conclusion

Janusz Klejsa's contributions to audio encoding and decoding have established him as a key figure in the field. His patents reflect a deep understanding of audio technology and a commitment to innovation. His work continues to impact the way we experience sound in various applications.

Profile summary based on public USPTO records.