Company Filing History:
1 out of 4,519 
1 out of 1,354 
Years Active: 2021-2022
Title: Yuedan Li: Innovator in Analog and Memory Technologies
Introduction
Yuedan Li is a prominent inventor based in Santa Clara, CA, known for his contributions to analog and digital technologies. With a total of 2 patents, he has made significant advancements in the field of electronics, particularly in analog-to-digital conversion and NAND memory control.
Latest Patents
One of Yuedan Li's latest patents is focused on an "Analog to digital converter clock control to extend analog gain and reduce noise." This innovative clock control circuit for an ADC includes multiple fractional divider circuits. Each circuit features a programmable integer divider that receives an enable skew signal, a clock signal, and an output integer signal. This design allows for the clock signal to be divided down by a factor that corresponds to the output integer signal, generating a fractional divider signal. Additionally, a delta-sigma modulator is integrated to produce an output integer signal that varies each cycle, maintaining a long-term average DC value equal to a fractional divider ratio K. Another notable patent is for "Source line voltage control for NAND memory." This apparatus consists of several memory cells arranged in NAND strings connected to a source line. The control circuit is designed to provide a first current to pre-charge the source line to a target voltage for sensing data states and a second current to return the source line to the target voltage during recovery periods.
Career Highlights
Yuedan Li has worked with notable companies such as SanDisk Technologies Inc. and OmniVision Technologies, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of electronics.
Collaborations
Throughout his career, Yuedan Li has collaborated with talented individuals, including Kou Tei and Ohwon Kwon. These partnerships have contributed to his success and the advancement of technology in his areas of expertise.
Conclusion
Yuedan Li's work in analog and digital technologies showcases his innovative spirit and dedication to advancing electronic systems. His patents reflect a commitment to improving performance and efficiency in critical areas of technology.
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