This inventor holds 3 USPTO granted patents. Top assignees: Henan Julong Biological Engineering Co., Ltd, Tianjin University of Science and Technology. Active years: 2022-2024.
Company Filing History:
2 out of 2 
2 out of 28 Years Active: 2022-2024
Title: The Innovations of Jing Li: Pioneering Biochemical Engineering
Introduction: Jing Li is an accomplished inventor based in Henan, China, known for his groundbreaking work in the field of bioengineering. With a portfolio of three patents, he has made significant contributions to the production of valuable biochemical compounds, particularly L-theanine, through innovative methods involving genetically engineered bacteria.
Latest Patents: Jing Li's most notable patent is titled "Method for producing L-theanine via fermentation by a genetically engineered bacterium and the application thereof." This invention presents a novel approach to the fermentation production of L-theanine, leveraging a specially modified strain derived from the W3110 genome. By implementing various genetic modifications, including the knockout of the ackA gene and the integration of several other key genes, the engineered bacterium boasts impressive yields and production stability. After 20-25 hours of fermentation, the resulting L-theanine reaches a titer of 75-80 g/L, with a yield of 52-55%. The purification process employs membrane separation in combination with a cation-anion resin series technique, leading to a one-step crystallization yield of 72.3% and a final product purity of 99%.
Career Highlights: Over the course of his career, Jing Li has worked for distinguished organizations, including Henan Julong Biological Engineering Co., Ltd. and Tianjin University of Science and Technology. His deep connection to the realm of bioengineering has allowed him to contribute valuable insights and advancements in his field, particularly regarding fermentation technologies.
Collaborations: Throughout his journey, Jing Li has collaborated with esteemed colleagues, such as Xiaoguang Fan and Xiaodong Liu. These partnerships have fostered an environment of innovation and knowledge-sharing, leading to impactful developments in biochemical engineering and production processes.
Conclusion: Jing Li's inventive contributions have made a significant mark in the field of bioengineering, highlighting the potential of genetically engineered organisms in producing highly sought-after compounds like L-theanine. His research and patents reflect a commitment to advancing biotechnology and offer promising avenues for further exploration and application in the industry.