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Trigence Semiconductor, Inc.

USPTO Granted Patents = 18

% Expired Patents = 83.3

EPO Patents = 2

Forward Citations = 64

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4 inventors (with patents filed for the assignee):

Akira Yasuda (18 out of 59 patents)

Jun-ichi Okamura (16 out of 19 patents)

Junichi Okamura (2 out of 29 patents)

4. Hiroshi Iwamura (2 out of 14 patents)

5. Yasuda Akira (0 patent)

6. Okamura Jun-Ichi (0 patent)

18 patents: Sort by Forward Citations

1. 11057706 - Speaker driving device (2021-07-06),

2. 10687141 - Speaker driving device (2020-06-16),

3. 9973850 - Speaker control device and speaker control method (2018-05-15),

4. 9793868 - Digital acoustic system (2017-10-17),

5. 9735796 - Selection device (2017-08-15),

6. 9693136 - Digital speaker driving apparatus (2017-06-27),

7. 9681231 - Digital/analog conversion apparatus (2017-06-13),

8. 9641931 - Drive circuit (2017-05-02),

9. 9628928 - Speaker control device (2017-04-18),

10. 9544691 - Acoustic playback system (2017-01-10),

11. 9362943 - Converter (2016-06-07),

12. 9300310 - Selection device (2016-03-29),

13. 9287809 - Inverter for a driving a motor (2016-03-15),

14. 9226053 - Digital speaker driving apparatus (2015-12-29),

15. 9219960 - Acoustic playback system (2015-12-22),

Trigence Semiconductor, Inc. is a Tokyo-based company specializing in advanced semiconductor solutions. The organization focuses on developing innovative technologies for audio processing, particularly in the realm of digital signal processing. Trigence's expertise extends to creating high-performance, energy-efficient chips that cater to various applications, including consumer electronics and automotive systems. With a commitment to enhancing audio experiences, Trigence plays a significant role in the evolution of sound technology in modern devices.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

18 Patents

#1,413 in Tokyo

#3,121 in Japan

#34,187 in the World

Trigence Semiconductor, Inc.

Forward Citations = 64

4 inventors:

Akira Yasuda (18 out of 59 patents)

Jun-ichi Okamura (16 out of 19 patents)

Junichi Okamura (2 out of 29 patents)

4. Hiroshi Iwamura (2 out of 14 patents)

5. Yasuda Akira (0 patent)

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