Inventor · disambiguated record
En-Sheng Chang
Also filed as: CHANG EN-SHENG
11 granted patents·1 pending application·126 citations·filing 2002–2014
89Inventor score
Top patents by PatentIndex Score
12 records- 0191US6798088B2Structure for symmetrically disposed linear motor operated tool machineIND TECH RES INST·Filed 2002·Granted Sep 28, 2004·43 cites·13 claims
- 0288US6740839B1Transporting and positioning device for tool magazine of machine toolIND TECH RES INST·Filed 2003·Granted May 25, 2004·32 cites·4 claims
- 0383US7909550B1Swivel spindle head with gear device driven by multiple torque motorsIND TECH RES INST·Filed 2009·Granted Mar 22, 2011·10 cites·12 claims
- 0481US8516924B2Reducing mechanism and harmonic drive thereofPEN DAR-JEN·Filed 2011·Granted Aug 27, 2013·12 cites·23 claims
- 0580US7973260B2Wire electrical discharge machiningIND TECH RES INST·Filed 2008·Granted Jul 5, 2011·4 cites·11 claims
- 0676US8210069B2Wrist structure of robot armCHEN JAN HAO·Filed 2010·Granted Jul 3, 2012·14 cites·8 claims
- 0760US6930412B2Closed box structure of the horizontal linear motor machine toolFiled 2003·Granted Aug 16, 2005·9 cites·6 claims
- 0854US8899822B2Working trough and method for maintaining uniform temperature of working fluidIND TECH RES INST·Filed 2014·Granted Dec 2, 2014·0 cites·11 claims
- 0950US8696191B2Working trough and method for maintaining uniform temperature of working fluidLUO TZUO-LIANG·Filed 2009·Granted Apr 15, 2014·0 cites·11 claims
- 1041US2012134762A1Moving beam type machine toolWANG JEN-JI·Filed 2011·Application pending·0 cites
- 1138US6675683B2Cutter releasing mechanism for direct connected spindle of machine toolIND TECH RES INST·Filed 2002·Granted Jan 13, 2004·2 cites·6 claims
- 1237US8523442B2Supporting bearingCHEN SHANG-TE·Filed 2011·Granted Sep 3, 2013·0 cites·11 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →