Inventor · disambiguated record
Ching-Chih Cheng
Also filed as: CHENG CHING-CHIH
5 granted patents·31 citations·filing 1998–2000
76Inventor score
Files withUNITED MICROELECTRONICS CORP5
Top patents by PatentIndex Score
5 records- 0158US6295683B1Equipment for brushing the underside of a semiconductor waferUNITED MICROELECTRONICS CORP·Filed 1999·Granted Oct 2, 2001·18 cites·12 claims
- 0241US6334581B1Nozzle reposition device used in a resist coating processUNITED MICROELECTRONICS CORP·Filed 2000·Granted Jan 1, 2002·2 cites·11 claims
- 0334US6177874B1Liquid supplying device for providing chemical solution with a liquid level sensorUNITED MICROELECTRONICS CORP·Filed 1998·Granted Jan 23, 2001·7 cites·5 claims
- 0429US6048399ASOG coater nozzle potUNITED MICROELECTRONICS CORP·Filed 1998·Granted Apr 11, 2000·2 cites·13 claims
- 0526US5937876ARinsing system used in a photoresist coater with capability to avoid a reversed pressure effectUNITED MICROELECTRONICS CORP·Filed 1998·Granted Aug 17, 1999·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →