For the Inventor, By the Inventor

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Estec Corporation

USPTO Granted Patents = 4

% Expired Patents = 25.0

Forward Citations = 60

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8 inventors (with patents filed for the assignee):

Ulrich Müller (1 out of 11 patents)

Dominik Ulrich (1 out of 5 patents)

Christoph Boese (1 out of 3 patents)

4. Peter Look (1 out of 2 patents)

5. In-Chan Jeong (1 out of 1 patent)

6. Sung-Il Cho (1 out of 1 patent)

7. Jeong Uk Kim (1 out of 1 patent)

8. Jeong Wook Kim (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12647709 - Gradual vibration speaker (2026-06-02),

2. 10073528 - Device and method for generating a haptic moment at an actuator (2018-09-11),

3. 7570774 - Speaker having improved sound-radiating function to both directions (2009-08-04),

4. 6611605 - Speaker having a device capable of generating sound and vibration (2003-08-26),

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USPTO Data Jan 1 1976 - Sep 22 2026

4 Patents

#103 in

#2,187 in South Korea

Estec Corporation

Forward Citations = 60

8 inventors:

Ulrich Müller (1 out of 11 patents)

Dominik Ulrich (1 out of 5 patents)

Christoph Boese (1 out of 3 patents)

4. Peter Look (1 out of 2 patents)

5. In-Chan Jeong (1 out of 1 patent)

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