Location History:
- Sunnyvale, CA (US) (2003)
- San Diego, CA (US) (2008)
- San Jose, CA (US) (2011 - 2012)
Company Filing History:
2 out of 178 
2 out of 41 Years Active: 2003-2012
Title: Innovator Spotlight: Ji-Fuh Liang and His Contributions to Duplexer Technology
Introduction: Ji-Fuh Liang, an accomplished inventor based in San Jose, CA, has made significant contributions to the field of duplexer technology, holding a total of four patents to his name. His innovative work primarily focuses on advancements in acoustic filters and phase shifting circuits, showcasing his expertise in the field of telecommunications.
Latest Patents: Liang's latest inventions include two remarkable patents. The first patent, titled "Duplexer with Negative Phase Shifting Circuit," describes a duplexer that incorporates first and second acoustic filters alongside a sophisticated phase shifter. This duplexer design improves the functionality of both the transmitter and receiver by optimizing the passbands through inventive phase shifting mechanisms. The second patent, "Duplexer Having Resonator Filters," illustrates an innovative duplexer that connects a receiver and a transmitter with an antenna. This device features complex resonator arrangements designed to enhance signal quality and manage electromagnetic interference more effectively, demonstrating Liang's commitment to advancing communication technologies.
Career Highlights: Ji-Fuh Liang has garnered experience working with several reputable companies within the technology sector. Notably, he has been part of Avago Technologies Wireless IP Pte. Ltd., where he contributed to the development of next-generation wireless solutions. Additionally, Liang has been associated with Conductus, Inc., further solidifying his role as a key player in the field of telecommunications engineering.
Collaborations: Throughout his career, Ji-Fuh Liang has collaborated with noted professionals in the industry, including Shen Ye and Paul D. Bradley. These partnerships have allowed him to exchange ideas and innovate alongside some of the leaders in technology.
Conclusion: Ji-Fuh Liang's contributions to duplexer technology are a testament to his innovative spirit and dedication as an inventor. With four patents that address critical challenges in acoustic filtering and signal processing, his work continues to have a lasting impact on the telecommunications sector. As he forges ahead in his career, Liang's inventions are poised to shape the future of communication technology for years to come.
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.