{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "2021", "item": "https://www.patentleaderboard.com/2021/"}, {"@type": "ListItem", "position": 3, "name": "Inventors", "item": "https://www.patentleaderboard.com/2021/inventors"}, {"@type": "ListItem", "position": 4, "name": "Qingfeng Dai", "item": "https://www.patentleaderboard.com/2021/inventor/fl:qi_ln:dai-1"}]}

Home › 2021 › Inventors › Qingfeng Dai

Qingfeng Dai — 1 Patent in 2021

Zhejiang, CN: #201 of 714 inventorsTop 30%

Overall (2021): #298,019 of 548,734Top 55%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11134657	Pet leash preventing locking due to jerk	Wenwei Tang, Yingzhou Chen, Di Fang, Ying Tang	2021-10-05

Qingfeng Dai — 1 Patent in 2021

Issued Patents 2021

Patent Widget