Inventor · disambiguated record
Don Dongcho Ha
Also filed as: HA DON · HA DON DONGCHO
7 granted patents·1 pending application·160 citations·filing 1996–2020
87Inventor score
Top patents by PatentIndex Score
8 records- 0187US5785297AValve mechanismMILLIPORE CORP·Filed 1996·Granted Jul 28, 1998·56 cites·16 claims
- 0284US7530319B1Lateral thruster unit for marine vesselsHA DON DONGCHO·Filed 2008·Granted May 12, 2009·16 cites·2 claims
- 0383US7644675B1Lateral thruster unit for marine vesselsHA DON DONGCHO·Filed 2009·Granted Jan 12, 2010·15 cites·2 claims
- 0470US5763774AFluid flow meter with reduced orientation sensitivityMILLIPORE CORP·Filed 1996·Granted Jun 9, 1998·34 cites·32 claims
- 0563US6957556B1Disk tumbler lock and key, improved means and methods of manufacturing forHA DON DONGCHO·Filed 2004·Granted Oct 25, 2005·17 cites·24 claims
- 0661US6964590B1Lateral thrust drive unit for marine vesselsHA DON DONGCHO·Filed 2004·Granted Nov 15, 2005·9 cites·20 claims
- 0757US7150122B1Auto-eject gun-lock device with ring-mounted keyHA DON DONGCHO·Filed 2004·Granted Dec 19, 2006·13 cites·26 claims
- 0840US2020307820A1Pressure-operated check valvePARKER HANNIFIN CORP·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →