Inventor · disambiguated record
Yih Chang
Also filed as: CHANG YIH · CHANG YIH F · CHANG YIH-FANG
2 granted patents·1 pending application·23 citations·filing 1992–2006
58Inventor score
Top patents by PatentIndex Score
3 records- 0147US5414633APath control method of tool withdrawal and resumption in CNCIND TECH RES INST·Filed 1992·Granted May 9, 1995·19 cites·2 claims
- 0242US2006254719A1Structure of disturbing plate having bent-down partCHANG YIH·Filed 2006·Application pending·0 cites
- 0328US5310983AServo-controlled feed rate control device for CNC electric spark machinesIND TECH RES INST·Filed 1992·Granted May 10, 1994·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →