Inventor · disambiguated record
Yik-Haeng Cho
Also filed as: CHO YIK HAENG
6 granted patents·1 pending application·7 citations·filing 1998–2024
75Inventor score
Top patents by PatentIndex Score
7 records- 0165US2024416312A1Apparatus for preparing lithium sulfideLAKE TECH LTD·Filed 2024·Application pending·0 cites
- 0239US6221639B1Process for preparing optically pure(S)-3,4-dihydroxybutyric acid derivativesSAMSUNG FINE CHEMICALS CO LTD·Filed 1999·Granted Apr 24, 2001·1 cites·14 claims
- 0338US6713290B2Process for preparing optically pure (S)-3-hydroxy-γ-butyrolactoneSAMSUNG FINE CHEMICALS CO LTD·Filed 2001·Granted Mar 30, 2004·0 cites·24 claims
- 0438US6288272B1Continuous process for preparing optically pure (s)-3,4-dihydroxybutyric acid derivativesSAMSUNG FINE CHEMICALS CO LTD·Filed 1999·Granted Sep 11, 2001·1 cites·14 claims
- 0537US6251642B1Continuous process for preparing optically pure (S)-3-hydroxy-γ-butyrolactoneSAMSUNG FINE CHEMICALS CO LTD·Filed 1999·Granted Jun 26, 2001·1 cites·24 claims
- 0634US6284902B1Process for manufacturing an optically active (S)-3,4-epoxybutyric acid saltSAMSUNG FINE CHEMICALS CO LTD·Filed 1998·Granted Sep 4, 2001·1 cites·5 claims
- 0732US6124122AProcess for preparing optically pure (S)-3-hydroxy-γ-butyrolactoneSAMSUNG FINE CHEMICALS CO LTD·Filed 1999·Granted Sep 26, 2000·3 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →