Company Filing History:
1 out of 1 
1 out of 6 Years Active: 2019
Title: The Innovations of Inventor Yili Zhai
Introduction
Yili Zhai, located in Shandong, China, is a distinguished inventor with a notable portfolio of patents. With two patents to his name, he has made significant contributions to the field of resonator and filter technologies. His work reflects a commitment to advancing innovation within the electronics sector.
Latest Patents
Zhai's latest inventions include the "Four-mode defected ground structure resonator" and the "Four-mode defected ground structure filter." The four-mode defected ground structure resonator features a metal dielectric substrate with a defected ground unit etched into one surface. This resonator design is characterized by its axial symmetry about two central axes and showcases various shapes, such as H-shape or quasi H-shape, as well as L-shape, quasi L-shape, U-shape, or quasi U-shape. Significantly, this resonator can operate under four distinct resonant modes, offering excellent tunability.
Similarly, the four-mode defected ground structure filter comprises the resonator along with two microstrip feed lines. The design incorporates the same principles of axial symmetry and defected ground units as seen in his resonator, underlining Zhai's expertise in creating multifaceted and tunable electronic components.
Career Highlights
Throughout his career, Yili Zhai has gained experience and broadened his skills at companies like Qingdao Haier Electronics Co., Ltd. His work in these organizations has likely contributed to his profound understanding of electronic innovations and patent development.
Collaborations
During his professional journey, Zhai has collaborated with notable colleagues including Biao Peng and Shufang Li. These collaborations highlight the importance of teamwork in fostering innovation and driving advancements in technology.
Conclusion
Yili Zhai's innovative endeavors and patented inventions underline his status as a prominent figure in the field of electronic engineering. His contributions, particularly in the development of resonators and filters, pave the way for future advancements in the technology industry. As he continues to innovate, Zhai's work is sure to impact the next generation of electronic components significantly.
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.