Inventor · disambiguated record

Shin-Fa Chang

Also filed as: CHANG SHIN-FA

2 granted patents·25 citations·filing 1998–2001

60Inventor score

Technology areasB26D B29C

Files withNANYA PLASTICS CORP2

Top patents by PatentIndex Score

2 records

0173US6557227B2Hard pipe cutting equipmentNANYA PLASTICS CORP·Filed 2001·Granted May 6, 2003·15 cites·1 claims
0236US6195866B1Method for making an extruder sleeveNANYA PLASTICS CORP·Filed 1998·Granted Mar 6, 2001·10 cites·4 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →