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Hong Kong, China

Tymphany Hk Limited

USPTO Granted Patents = 25

EPO Patents = 3

Trademarks = 15

Forward Citations = 60

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32 inventors (with patents filed for the assignee):

Sebastiaan De Vries (5 out of 5 patents)

George Bullimore (4 out of 4 patents)

Alireza Jabbari (4 out of 6 patents)

4. Kenneth L Kantor (4 out of 5 patents)

5. Ioannis Kanellakopoulos (4 out of 21 patents)

6. Andrew David Unruh (3 out of 11 patents)

7. Edward T Norcott, Jr (3 out of 7 patents)

8. Jens-Peter Axelsson (3 out of 3 patents)

9. David J Prince (3 out of 12 patents)

10. Shaolin Wei (3 out of 3 patents)

11. Robert J True (3 out of 11 patents)

12. Dimitris Grimanis (2 out of 2 patents)

13. Chiashuo Chang (2 out of 2 patents)

14. Kehua Lin (2 out of 2 patents)

15. Chitai Ho (2 out of 2 patents)

25 patents: Sort by Forward Citations

1. D1090482 - Headphone module (2025-08-26),

2. D1090481 - Headphone module (2025-08-26),

3. 10601373 - Booster circuit including dynamically sliding power supply unit (2020-03-24),

4. 10587958 - Suspension for moving-coil loudspeaker and loudspeaker (2020-03-10),

5. 10405083 - Loudspeaker assembly (2019-09-03),

6. D856981 - Waveguide for a loudspeaker (2019-08-20),

7. 10341781 - Double ring radiator and dual co-ax driver (2019-07-02),

8. 10341761 - Acoustic waveguide for audio speaker (2019-07-02),

9. 10340859 - Class-D power amplifier nested inside low-noise differential op-amp feedback loop (2019-07-02),

10. 10327055 - Closed acoustical architecture having a controlled leakage (2019-06-18),

11. D851070 - Acousic transducer (2019-06-11),

12. 10236153 - Multiple knob structure (2019-03-19),

13. 10148232 - Pre-amplifier circuit including microphone pre-amplifier stage (2018-12-04),

14. 10141898 - High current low-cost DC coupled DAC follower low pass filter headphone amplifier (2018-11-27),

15. 10027290 - Switchless line-DI/Mic pre-amplifier input (2018-07-17),

Tymphany HK Limited is a global provider of innovative audio and acoustic solutions. With a strong focus on research and development, Tymphany delivers high-quality audio products to manufacturers and brands worldwide. Their expertise lies in speaker drivers, audio systems, and acoustic solutions for a variety of applications, including consumer electronics, automotive, and professional audio.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

25 Patents

#135 in Hong Kong

#1,087 in China

#24,953 in the World

Hong Kong, China

Tymphany Hk Limited

Forward Citations = 60

32 inventors:

Sebastiaan De Vries (5 out of 5 patents)

George Bullimore (4 out of 4 patents)

Alireza Jabbari (4 out of 6 patents)

4. Kenneth L Kantor (4 out of 5 patents)

5. Ioannis Kanellakopoulos (4 out of 21 patents)

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