Inventor · disambiguated record
Changda Xu
Also filed as: XU CHANGDA
3 granted patents·1 pending application·30 citations·filing 2020–2023
65Inventor score
Files withBEIJING PLAYDO OUTDOOR PRODUCTS CO LTD2INST SEMICONDUCTORS CAS1JIANGSU NHWA PHARMACEUTICAL CO LTD1
Top patents by PatentIndex Score
4 records- 0189US11352808B2Rooftop tent and receiving apparatus thereofBEIJING PLAYDO OUTDOOR PRODUCTS CO LTD·Filed 2020·Granted Jun 7, 2022·6 cites·11 claims
- 0288USD935378SInflatable tent on roof of a vehicleBEIJING PLAYDO OUTDOOR PRODUCTS CO LTD·Filed 2020·Granted Nov 9, 2021·24 cites·1 claims
- 0357US11978996B2Tunable external cavity laser with dual gain chipsINST SEMICONDUCTORS CAS·Filed 2021·Granted May 7, 2024·0 cites·9 claims
- 0448US2025230129A1Polyamide compounds, method for preparing same, and medical use thereofJIANGSU NHWA PHARMACEUTICAL CO LTD·Filed 2023·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →