Chung-Cheng Liu

Title: Innovations of Chung-Cheng Liu

Introduction

Chung-Cheng Liu is a notable inventor based in Foster City, CA (US). He has made significant contributions to the field of biotechnology, particularly in the area of ubiquitin hydrolases. With a total of 4 patents to his name, Liu's work has advanced our understanding of protein purification and recombinant production.

Latest Patents

Liu's latest patents include groundbreaking innovations such as a host transformed with yeast gene and ubiquitin/polypeptide fusions. This patent describes a ubiquitin hydrolase that boasts a purity of at least 70% homogeneity based on the weight of the total protein in the composition. Additionally, it provides DNA sequences encoding ubiquitin hydrolases and outlines expression systems for their recombinant production. Another significant patent details a purified yeast ubiquitin hydrolase that hydrolyzes a ubiquitin-polypeptide conjugate at the amide bond, yielding an intact polypeptide with an unconjugated, mature N-terminus. This patent also includes processes for the purification of ubiquitin hydrolase from eukaryotes and its application in recovering desired polypeptides.

Career Highlights

Chung-Cheng Liu is currently employed at Genentech, Inc., a leading biotechnology company known for its innovative approaches to drug development. His work at Genentech has allowed him to collaborate with some of the brightest minds in the industry, further enhancing his contributions to the field.

Collaborations

Some of Liu's notable coworkers include Harvey I. Miller and Arthur D. Levinson. Their collaborative efforts have likely played a role in advancing the research and development of biotechnological innovations.

Conclusion

Chung-Cheng Liu's contributions to the field of biotechnology through his patents and work at Genentech, Inc. highlight his importance as an inventor. His innovations in ubiquitin hydrolases are paving the way for advancements in protein purification and recombinant production.