This inventor holds 60 USPTO granted patents and 2 EPO patents, primarily in Touch Detection (CPC class G06F). Top assignees: Marvell International Limited, Marvellworld Trade Ltd., Marvell Semiconductor, Inc.. Active years: 2002-2017.
Inventors with similar research interests:
Location History:
- Saratoga, CA (US) (2002 - 2014)
- Cupertino, CA (US) (2008 - 2017)
Company Filing History:
55 out of 5,162 
4 out of 1,901 
1 out of 12 Years Active: 2002-2017
Areas of Expertise:
Title: Yonghua Song: Innovator in Touch Panel Technology
Introduction
Yonghua Song is a renowned inventor based in Cupertino, California, known for his significant contributions to touch panel technology. With an impressive portfolio of 60 patents, his innovation focuses primarily on enhancing touch detection systems, paving the way for more advanced user interface technologies.
Latest Patents
Among his latest patents, one notable invention is a touch panel and touch detection circuit. This technology features an electrode array that comprises first electrodes arranged on a first layer, configured with sequentially connected elements shaped as elongated polygons. Additionally, second electrodes are arranged on a second layer, forming an interlocking pattern with the first layer to improve touch sensitivity. Another key innovation is the system and methods for capacitive touch detection, which utilizes a sensing capacitive network to generate touch-sensing signals based on panel capacitance. This sophisticated system includes a comparative network and signal processing components that determine the occurrence of touch events accurately.
Career Highlights
Yonghua has worked with several prominent companies in the technology sector, including Marvell International Limited and Marvell World Trade Ltd. His expertise in touch technology placed him at the forefront of research and development in these organizations, where he achieved numerous milestones in the field of capacitive touch sensing.
Collaborations
Throughout his career, Yonghua has collaborated with other esteemed professionals in his field, including his coworkers Tao Shui and Hao Zhou. Together, they have contributed to advancements in touch panel technologies and capacitive sensing, enhancing the user experience across various electronic devices.
Conclusion
Yonghua Song’s invaluable innovations and extensive patent portfolio underscore his influence in the technology sector, particularly in touch panel development. His ongoing work continues to drive improvements in user interface technologies, making him a notable figure in the world of inventors.