Inventor · disambiguated record
Keechang Han
Also filed as: HAN KEECHANG
6 granted patents·51 citations·filing 2000–2000
83Inventor score
Technology areasB05B
Files withBIRD BRAIN INC6
Top patents by PatentIndex Score
6 records- 0174US6439478B1Adapter for upright sprinkler with rotating headBIRD BRAIN INC·Filed 2000·Granted Aug 27, 2002·25 cites·23 claims
- 0254USD440280SSprinkler baseBIRD BRAIN INC·Filed 2000·Granted Apr 10, 2001·7 cites·1 claims
- 0351US6431506B1Insert for gazing ballBIRD BRAIN INC·Filed 2000·Granted Aug 13, 2002·6 cites·7 claims
- 0447USD439632SSprinkler baseBIRD BRAIN INC·Filed 2000·Granted Mar 27, 2001·5 cites·1 claims
- 0547USD438284SSprinkler baseBIRD BRAIN INC·Filed 2000·Granted Feb 27, 2001·5 cites·1 claims
- 0636USD444206SSprinkler baseBIRD BRAIN INC·Filed 2000·Granted Jun 26, 2001·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →