Inventor · disambiguated record
Chi Hung Cheng
Also filed as: CHENG CHI H · CHENG CHI-HUNG
28 granted patents·10 pending applications·209 citations·filing 1997–2025
95Inventor score
Files withALBEMARLE CORP22CHICONY ELECTRONICS CO LTD6SKY TECH INC5IND TECH RES INST1LAYMAN JR WILLIAM J1
Top patents by PatentIndex Score
38 records- 0194US10886079B1Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2020·Granted Jan 5, 2021·3 cites·13 claims
- 0292US10648061B2Processes for recovering lithium values from lithium-containing brinesALBEMARLE CORP·Filed 2015·Granted May 12, 2020·13 cites·16 claims
- 0392US5770771APreparation of N-hydrocarbylthiophosphoric triamidesALBEMARLE CORP·Filed 1997·Granted Jun 23, 1998·73 cites·40 claims
- 0489US11127545B2Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Sep 21, 2021·3 cites·25 claims
- 0588US2025376381A1Methods for extracting boron from an organic solutionALBEMARLE CORP·Filed 2025·Application pending·0 cites
- 0687US7988884B2Preparation of sterically hindered hydroxyphenylcarboxylic acid estersALBEMARLE CORP·Filed 2010·Granted Aug 2, 2011·3 cites·18 claims
- 0785US11476100B1Shielding mechanism and substrate-processing chamber with the sameSKY TECH INC·Filed 2021·Granted Oct 18, 2022·1 cites·18 claims
- 0883US10714279B1Keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Jul 14, 2020·2 cites·12 claims
- 0979US5883297APreparation and recovery of N-hydrocarbylthiophosphoric triamides or N-hydrocarbylphosphoric triamidesALBEMARLE CORP·Filed 1998·Granted Mar 16, 1999·25 cites·29 claims
- 1078US6528665B1Preventing undesired odor in and/or purifying alkanediolsALBEMARLE CORP·Filed 2002·Granted Mar 4, 2003·15 cites·37 claims
- 1175US11081298B2Key structureCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Aug 3, 2021·1 cites·4 claims
- 1270US6525208B1Epoxidation of olefinsALBEMARLE CORP·Filed 2002·Granted Feb 25, 2003·4 cites·60 claims
- 1369US12421123B2Methods for extracting boron from an organic solutionALBEMARLE CORP·Filed 2020·Granted Sep 23, 2025·0 cites·6 claims
- 1468US8802787B2Bromination of low molecular weight aromatic polymer compositionsLAYMAN JR WILLIAM J·Filed 2010·Granted Aug 12, 2014·2 cites·17 claims
- 1568US5955630ARecovery of N-hydrocarbylthiophosphoric triamides and N-hydrocarbylphosphoric triamides from reaction mixturesALBEMARLE CORP·Filed 1997·Granted Sep 21, 1999·13 cites·44 claims
- 1665US6365773B1Process for producing fluoroaromatic carboxylatesALBEMARLE CORP·Filed 2000·Granted Apr 2, 2002·3 cites·51 claims
- 1762US7667066B2Preparation of sterically hindered hydroxyphenylcarboxylic acid estersALBEMARLE CORP·Filed 2004·Granted Feb 23, 2010·2 cites·50 claims
- 1862US5872293ASeparating ammonium chloride from N-hydrocarbylphosphoric triamide or N-hydrocarbylthiophosphoric triamideALBEMARLE CORP·Filed 1997·Granted Feb 16, 1999·9 cites·21 claims
- 1961US2022270913A1Wafer-holding device and thin-film-deposition equipment using the sameSKY TECH INC·Filed 2021·Application pending·0 cites
- 2060US12224159B1Gas mixing method to enhance plasmaSKY TECH INC·Filed 2023·Granted Feb 11, 2025·0 cites·16 claims
- 2160US11152166B2Keyboard device including a plurality of substrate plates connected by elastic bridge memberCHICONY ELECTRONICS CO LTD·Filed 2019·Granted Oct 19, 2021·0 cites·16 claims
- 2259US2025051907A1Particle prevention method in chamberSKY TECH INC·Filed 2023·Application pending·0 cites
- 2358US12086333B2Touchpad device with substrate for restricting swing motion of touch panelCHICONY ELECTRONICS CO LTD·Filed 2023·Granted Sep 10, 2024·0 cites·17 claims
- 2456US12260100B2Data storage device and data processing method for arranging a write order of writing data based on a logical data order of reading the dataSILICON MOTION INC·Filed 2023·Granted Mar 25, 2025·0 cites·18 claims
- 2556US2022282378A1Shielding mechanism and substrate-processing device with the sameSKY TECH INC·Filed 2021·Application pending·0 cites
- 2654US6235941B1Process for production of organic disulfidesALBEMARLE CORP·Filed 1998·Granted May 22, 2001·5 cites·40 claims
- 2751US5884523AScoop with a counterFiled 1998·Granted Mar 23, 1999·24 cites·1 claims
- 2843US2022181190A1Wafer fixing mechanism and wafer pre-cleaning machine using the wafer fixing mechanismSKYTECH CO LTD·Filed 2020·Application pending·0 cites
- 2941US2008166741A1Method for Diagnosing Membranous Glomerulonephritis Disease and a Kit ThereofIND TECH RES INST·Filed 2007·Application pending·0 cites
- 3039US7871547B2Halide reduction in dihydrocarbylmagnesium mixturesALBEMARLE CORP·Filed 2004·Granted Jan 18, 2011·0 cites·39 claims
- 3138US6215032B1Catalyst recovery for halogen exchange reactionsALBEMARLE CORP·Filed 1998·Granted Apr 10, 2001·5 cites·36 claims
- 3238US5871667AInhibiting ferrous metal corrosion by aqueous ammoniate solutionsALBEMARLE CORP·Filed 1997·Granted Feb 16, 1999·3 cites·20 claims
- 3335US2007260089A1Method for the Synthesis of Quaternary Ammonium Compounds and Compositions ThereofALBEMARLE CORP·Filed 2005·Application pending·0 cites
- 3434US6046358ACatalysis in halogen exchange reactionsALBEMARLE CORP·Filed 1999·Granted Apr 4, 2000·0 cites·7 claims
- 3534US2017333867A1Sorbents for Recovery of Lithium Values from BrinesALBEMARLE CORP·Filed 2015·Application pending·0 cites
- 3633US5965781ACatalysis in halogen exchange reactionsALBEMARLE CORP·Filed 1997·Granted Oct 12, 1999·0 cites·13 claims
- 3733US2018147532A1Process For Concentration Of Lithium Containing SolutionsALBEMARLE CORP·Filed 2015·Application pending·0 cites
- 3832US2018353907A1Purification of Lithium-Containing BrineALBEMARLE CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →