Inventor · disambiguated record
Hong-Long Chang
Also filed as: CHANG HONG · CHANG HONG-LONG
9 granted patents·5 pending applications·130 citations·filing 1998–2019
86Inventor score
Top patents by PatentIndex Score
14 records- 0189US6526996B1Dry clean method instead of traditional wet clean after metal etchPROMOS TECHNOLOGIES INC·Filed 2000·Granted Mar 4, 2003·78 cites·20 claims
- 0269US11281755B2Systems and methods for secure biometric identification using recorded pressureCHANG HONG·Filed 2019·Granted Mar 22, 2022·2 cites·16 claims
- 0359US6143653AMethod of forming tungsten interconnect with tungsten oxidation to prevent tungsten lossPROMOS TECHNOLOGIES INC·Filed 1998·Granted Nov 7, 2000·25 cites·12 claims
- 0457US6500766B2Post-cleaning method of a via etching processPROMOS TECHNOLOGIES INC·Filed 2001·Granted Dec 31, 2002·8 cites·13 claims
- 0548US6399509B1Defects reduction for a metal etcherPROMOS TECHNOLOGIES INC·Filed 2000·Granted Jun 4, 2002·4 cites·16 claims
- 0643US6410417B1Method of forming tungsten interconnect and vias without tungsten loss during wet stripping of photoresist polymerPROMOS TECHNOLOGIES INC·Filed 1998·Granted Jun 25, 2002·11 cites·3 claims
- 0743US2008124935A1Two-step process for manufacturing deep trenchPROMOS TECHNOLOGIES INC·Filed 2006·Application pending·0 cites
- 0840US7241659B2Volatile memory devices and methods for forming samePROMOS TECHNOLOGIES INC·Filed 2004·Granted Jul 10, 2007·2 cites·5 claims
- 0939US2007131649A1Etching methodCHANG HONG-LONG·Filed 2006·Application pending·0 cites
- 1037US2004067654A1Method of reducing wafer etching defectPROMOS TECHNOLOGIES INC·Filed 2002·Application pending·0 cites
- 1136US2003104697A1Dry clean method instead of traditional wet clean after metal etchPROMOS TECHNOLOGIES INC·Filed 2003·Application pending·0 cites
- 1235US11321557B2Pressure recording systems and methods for biometric identificationLEE ALEX C·Filed 2019·Granted May 3, 2022·0 cites·19 claims
- 1333US7344995B2Method for preparing a structure with high aspect ratioPROMOS TECHNOLOGIES INC·Filed 2005·Granted Mar 18, 2008·0 cites·11 claims
- 1430US2002096494A1Post-cleaning method of a via etching processPROMOS TECHNOLOGIES INC·Filed 2001·Application pending·0 cites
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