This inventor holds 4 USPTO granted patents. Top assignee: United Microelectronics Corp.. Active years: 1994-1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1994-1997
Title: The Innovations of Ding-Jen Liu
Introduction
Ding-Jen Liu is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of electronics, particularly in the development of voltage-controlled oscillators and memory array technologies. With a total of 4 patents to his name, Liu's work has had a notable impact on the industry.
Latest Patents
One of Liu's latest patents is a differential-type voltage-controlled oscillator (VCO) with low-frequency stability compensation. This innovative VCO includes a voltage-to-current converter that transforms an input voltage signal into a biasing current signal, which in turn controls the frequency of the VCO output. The design features multiple stages of differential amplifiers, each utilizing PMOS and NMOS transistors to enhance performance.
Another significant patent is a bias circuit for a virtual ground non-volatile memory array with a bank selector. This circuit employs static pull-up transistors connected to all bit lines of the memory array. By utilizing predetermined reference voltages, the circuit minimizes leakage current in adjacent deselected memory cells, thereby enhancing the stability of current detection and reducing the likelihood of erroneous data reading.
Career Highlights
Ding-Jen Liu is currently employed at United Microelectronics Corporation, a leading semiconductor company. His work at this organization has allowed him to further develop his innovative ideas and contribute to cutting-edge technology in the electronics sector.
Collaborations
Liu has collaborated with several talented individuals in his field, including Jyh-Jen Cho and Ying-Tzung Wang. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Ding-Jen Liu's contributions to the field of electronics through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of technology in significant ways.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile