Inventor · disambiguated record
Changjun Guo
Also filed as: GUO CHANGJUN
0 granted patents·3 pending applications·0 citations·filing 2023–2025
Files withCHUZHOU YUJIAN TRAVEL PRODUCT CO LTD3
Top patents by PatentIndex Score
3 records- 0149US2025213013A1Zipper structure, case body, mold for manufacturing case body, and mold operation methodCHUZHOU YUJIAN TRAVEL PRODUCT CO LTD·Filed 2024·Application pending·0 cites
- 0247US2024416573A1Negative mold for luggage molding and application thereofCHUZHOU YUJIAN TRAVEL PRODUCT CO LTD·Filed 2023·Application pending·0 cites
- 0342US2025351926A1Retractable enclosure zipper and double-layer retractable enclosure zipperCHUZHOU YUJIAN TRAVEL PRODUCT CO LTD·Filed 2025·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →