Company Filing History:
1 out of 960 
1 out of 34 
1 out of 258 Years Active: 2023-2025
Title: Jiujian Liu: Innovator in Sound Technology
Introduction
Jiujian Liu is a prominent inventor based in Shenzhen, China. He has made significant contributions to the field of sound technology, holding a total of 3 patents. His innovative designs focus on enhancing acoustic performance and functionality in sound devices.
Latest Patents
One of Jiujian Liu's latest inventions is a multifunctional sounding device. This device features a housing, a sounding unit, and a motor assembly that includes a coil unit fixed to the housing. The sounding unit comprises a basin frame, a vibration system, and a magnetic circuit system. The vibration system is driven by the magnetic circuit system to vibrate in a first direction, while the magnetic circuit system is elastically connected to the housing through elastic arms. This design allows for a compact size and excellent acoustic and vibration performance.
Another notable patent is his speaker box, which includes a housing, a sound unit, and a magnetic circuit coupling valve. The sound unit consists of a bracket, a vibration system, and a magnetic circuit system that includes a secondary magnet. The magnetic circuit coupling valve is designed to control the communication of a rear cavity with the outside environment, providing fine acoustic performance.
Career Highlights
Jiujian Liu has worked with several companies, including Aac Technologies Pte. Ltd. and Aac Technologies (Nanjing) Co., Ltd. His experience in these organizations has contributed to his expertise in sound technology and innovation.
Collaborations
Throughout his career, Jiujian Liu has collaborated with talented individuals such as Yao Hui and Yufen Chu. These partnerships have fostered a creative environment that has led to the development of advanced sound technologies.
Conclusion
Jiujian Liu is a remarkable inventor whose work in sound technology has resulted in innovative patents that enhance acoustic performance. His contributions continue to influence the industry and inspire future innovations.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.