This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Dewertokin Technology Group Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Long Li and the Sofa Chair Invention.
Introduction
Long Li is an inventor associated with Jiaxing, China, and Dewertokin Technology Group Co., Ltd. His patent work includes a sofa chair designed to move between sitting, TV, and fully lying postures.
Latest Patents
Li’s listed patent, “Sofa chair,” describes a chair with a base, chair frame assembly, backrest assembly, and telescoping leg assembly. A connecting-rod structure movably links the chair frame assembly to the base, allowing the chair to change posture. In the fully lying position, the chair frame is set at an angle greater than 26 degrees and less than 30 degrees from the horizontal plane, while its lowest point is 60 to 100 millimeters above the ground. Li is credited with 1 patent.
Career Highlights
The available information connects Li’s invention work with Dewertokin Technology Group Co., Ltd. His patent focuses on adjustable seating and the mechanical structure that enables multiple reclining positions.
Collaborations
Liming Yang and Weiyao Zhou are identified as Li’s coworkers. The provided information does not specify their roles in the sofa chair patent.
Conclusion
Long Li’s listed patent presents a sofa chair mechanism designed to support sitting, TV, and fully lying postures, reflecting his documented work in adjustable seating technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile