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EPO Patents = 2

Forward Citations = 63

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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 leading provider of innovative semiconductor products and solutions for the IoT (Internet of Things) and AI (Artificial Intelligence) markets. With a focus on energy-efficient and high-performance designs, Trigence Semiconductor develops integrated circuits and systems that power cutting-edge technologies. They offer a wide range of products including microcontrollers, sensor ICs, and connectivity solutions. Their solutions enable companies to create smarter, connected products that improve efficiency, enhance user experience, and drive innovation. For more information, please visit their website.

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Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

18 Patents

#1,227 in Tokyo

#3,053 in Japan

#33,165 in the World

Tokyo, Japan

Trigence Semiconductor, Inc.