Inventor · disambiguated record
Sung Chul Chang
Also filed as: CHANG SUNG CHUL
4 granted patents·537 citations·filing 1998–2002
84Inventor score
Top patents by PatentIndex Score
4 records- 0197US6168974B1Process of mounting spring contacts to semiconductor devicesFORMFACTOR INC·Filed 2000·Granted Jan 2, 2001·201 cites·18 claims
- 0296US6023103AChip-scale carrier for semiconductor devices including mounted spring contactsFORMFACTOR INC·Filed 1998·Granted Feb 8, 2000·278 cites·12 claims
- 0386US6525405B1Leadless semiconductor product packaging apparatus having a window lid and method for packagingALPHATEC HOLDING COMPANY LTD·Filed 2000·Granted Feb 25, 2003·43 cites·6 claims
- 0469US6797541B2Leadless semiconductor product packaging apparatus having a window lid and method for packagingMILLENIUM MICROTECH CO LTD·Filed 2002·Granted Sep 28, 2004·15 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →