This inventor holds 4 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignees: Wanhua Chemical Group Co., Ltd., Ningbo Wanhua Polyurethanes Co., Ltd., Wanhua Chemical (Ningbo) Co., Ltd.. Active years: 2012-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yantai, CN (2012)
- Shangdong, CN (2024)
Company Filing History:
2 out of 63 
1 out of 4 
1 out of 18 Years Active: 2012-2026
Title: Jianfeng Li: Innovator in Optical Resin Technology
Introduction
Jianfeng Li is a notable inventor based in Shandong, China. He has made significant contributions to the field of optical materials, particularly through his innovative patent related to 1,3-bisisocyanatomethylcyclohexane compositions.
Latest Patents
Jianfeng Li holds a patent for a composition of 1,3-bisisocyanatomethylcyclohexane and the optical resin prepared from it. This composition includes 65%-95 wt % of trans-1,3-bisisocyanatomethylcyclohexane and a small percentage of 1,4-bisisocyanatomethylcyclohexane. The optical resin derived from this composition is designed to enhance the performance of optical lenses by preventing opacification and optical distortion. He has 1 patent to his name.
Career Highlights
Throughout his career, Jianfeng Li has worked with prominent companies in the chemical industry. He has been associated with Wanhua Chemical Group Co., Ltd. and Ningbo Wanhua Polyurethanes Co., Ltd. These experiences have allowed him to apply his innovative ideas in practical settings.
Collaborations
Jianfeng Li has collaborated with several professionals in his field, including Fulin Zhu and Peng Wang. Their teamwork has contributed to advancements in optical resin technology.
Conclusion
Jianfeng Li's work in developing advanced optical materials showcases his innovative spirit and dedication to improving technology in the field. His contributions are significant and continue to influence the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile