Inventor · disambiguated record
Qihai Du
Also filed as: DU QIHAI
5 granted patents·0 citations·filing 2018–2020
58Inventor score
Files withCHONGQING BOE OPTOELECTRONICS TECH CO LTD2QINGDAO HAIER CO LTD2Qingdao haier refrigerator co ltd1
Top patents by PatentIndex Score
5 records- 0158US10551673B2Light source assembly, back light moudle and display deviceCHONGQING BOE OPTOELECTRONICS TECH CO LTD·Filed 2018·Granted Feb 4, 2020·0 cites·10 claims
- 0253US10809565B2Backlight module and display deviceCHONGQING BOE OPTOELECTRONICS TECH CO LTD·Filed 2018·Granted Oct 20, 2020·0 cites·17 claims
- 0348US11920850B2Air duct system and a refrigeration appliance having the sameQingdao haier refrigerator co ltd·Filed 2020·Granted Mar 5, 2024·0 cites·12 claims
- 0446US11448442B2Ice crushing device and refrigeratorQINGDAO HAIER CO LTD·Filed 2018·Granted Sep 20, 2022·0 cites·9 claims
- 0544US11397036B2Ice maker and refrigeratorQINGDAO HAIER CO LTD·Filed 2018·Granted Jul 26, 2022·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →