% Expired Patents = 100.0

Forward Citations = 40

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4 inventors (with patents filed for the assignee):

Paul C Burke (2 out of 31 patents)

Chi Wing Wong (2 out of 2 patents)

Him Chung Tsang (1 out of 1 patent)

4. Chak-Tong Chu (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 8590363 - Personal breathalyzer having digital circuitry (2013-11-26),

2. 8008604 - Low profile heater (2011-08-30),

3. 7974526 - Outdoor heater (2011-07-05),

4. 7797982 - Personal breathalyzer having digital circuitry (2010-09-21),

Honor Tone Limited is a leading manufacturer of high-quality audio equipment and accessories. With a focus on innovation and customer satisfaction, the company offers a wide range of products including headphones, speakers, and soundbars. Established in 2005, Honor Tone Limited has built a strong reputation for delivering premium audio solutions to its customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

4 Patents

#733 in Hong Kong

#6,330 in China

Hong Kong, China

Honor Tone Limited

Forward Citations = 40

4 inventors:

Paul C Burke (2 out of 31 patents)

Chi Wing Wong (2 out of 2 patents)

Him Chung Tsang (1 out of 1 patent)

4. Chak-Tong Chu (1 out of 1 patent)

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