Inventor · disambiguated record
Qichang An
Also filed as: AN QICHANG
3 granted patents·10 pending applications·0 citations·filing 2022–2024
39Inventor score
Files withBEIJING BOE OPTOELECTRONICS TECH CO LTD11BEIJING BOE SENSOR TECHNOLOGY CO LTD1BOE TECHNOLOGY GROUP CO LTD1
Top patents by PatentIndex Score
13 records- 0162US12374506B2MEMS switch and method of manufacturing the sameBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Granted Jul 29, 2025·0 cites·20 claims
- 0262US2025253089A1Inductance structure, and filterBEIJING BOE SENSOR TECHNOLOGY CO LTD·Filed 2023·Application pending·0 cites
- 0358US12408273B2Electronic device and method of fabricating electronic deviceBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Granted Sep 2, 2025·0 cites·17 claims
- 0457US2025079072A1Inductor and Manufacturing Method Therefor, Filter, and Electronic DeviceBOE TECHNOLOGY GROUP CO LTD·Filed 2022·Application pending·0 cites
- 0556US2024312693A1Inductor and manufacturing method thereof, filter and electronic deviceBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
- 0656US2024283422A1Filter, integrated passive device, electronic device and display deviceBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2024·Application pending·0 cites
- 0750US12341484B2Filter circuit, filter, method of manufacturing filter, and electronic deviceBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Granted Jun 24, 2025·0 cites·20 claims
- 0850US2025029938A1Functional substrate and method for manufacturing sameBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
- 0949US2025006509A1Encapsulation substrate and manufacturing method thereof, and functional substrate and manufacturing method thereofBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
- 1049US2024379650A1Filter and manufacturing method thereforBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
- 1148US2025088163A1Filter and manufacturing method therefor, and electronic deviceBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
- 1248US2025006615A1Composite substrate and method for manufacturing the same, electronic deviceBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
- 1346US2024388276A1Filter unit and manufacturing method therefor, and electronic deviceBEIJING BOE OPTOELECTRONICS TECH CO LTD·Filed 2022·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →