Inventor · disambiguated record
Yifeng Zhan
Also filed as: ZHAN YIFENG
3 granted patents·1 citations·filing 2016–2017
46Inventor score
Technology areasA61M
Files withBMC MEDICAL CO LTD3
Top patents by PatentIndex Score
3 records- 0160US10314998B2Breathing maskBMC MEDICAL CO LTD·Filed 2016·Granted Jun 11, 2019·1 cites·19 claims
- 0241US11357945B2Nasal pad for respiratory mask and respiratory maskBMC MEDICAL CO LTD·Filed 2017·Granted Jun 14, 2022·0 cites·12 claims
- 0340US10953182B2Breathing maskBMC MEDICAL CO LTD·Filed 2016·Granted Mar 23, 2021·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →