Inventor · disambiguated record
Kenneth N. Han
Also filed as: HAN KENNETH · HAN KENNETH N
8 granted patents·308 citations·filing 1990–2021
89Inventor score
Top patents by PatentIndex Score
8 records- 0190US7166145B1Recovery of precious metalsSOUTH DAKOTA SCHOOL OF MINES A·Filed 2004·Granted Jan 23, 2007·47 cites·45 claims
- 0290US5328669AExtraction of precious metals from ores and other precious metal containing materials using halogen saltsSOUTH DAKOTA SCHOOL OF MINES A·Filed 1993·Granted Jul 12, 1994·47 cites·22 claims
- 0389US7067090B2Recovery of platinum group metalsSOUTH DAKOTA SCHOOL OF MINES A·Filed 2002·Granted Jun 27, 2006·43 cites·24 claims
- 0488US5308381AAmmonia extraction of gold and silver from ores and other materialsSOUTH DAKOTA SCHOOL OF MINES &·Filed 1993·Granted May 3, 1994·42 cites·10 claims
- 0587US5114687AAmmonia extraction of gold and silver from ores and other materialsSOUTH DAKOTA SCHOOL OF MINES &·Filed 1990·Granted May 19, 1992·39 cites·12 claims
- 0683US5989311ARecovery of copper from its sulfides and other sources using halogen reagents and oxidantsSOUTH DAKOTA SCHOOL OF MINES A·Filed 1997·Granted Nov 23, 1999·51 cites·15 claims
- 0772US5542957ARecovery of platinum group metals and rhenium from materials using halogen reagentsSOUTH DAKOTA SCHOOL OF MINES A·Filed 1995·Granted Aug 6, 1996·39 cites·16 claims
- 0852US12195620B2Controlled entrapment and release of molecular cargoUNIV CALIFORNIA·Filed 2021·Granted Jan 14, 2025·0 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →