Inventor · disambiguated record
Chi Ma
Also filed as: MA CHI · MA CHI-HOUN
8 granted patents·3 pending applications·20 citations·filing 2007–2024
76Inventor score
Files withCNPC USA CORP5UNIV CHONGQING2JINAN BODOR CNC MACHINE CO LTD1MAGIC PIXEL INC1SICHUAN HONGDA SECURITY TECH SERVICE CO LTD1
Top patents by PatentIndex Score
11 records- 0189US11591858B2Cutting elements with increased curvature cutting edgesCNPC USA CORP·Filed 2020·Granted Feb 28, 2023·3 cites·14 claims
- 0277US7870378B2Electronic system with NAND flash memory storing boot code and highly reliable boot up methodMAGIC PIXEL INC·Filed 2007·Granted Jan 11, 2011·17 cites·3 claims
- 0369US12011773B2Cutting elements with reduced variable back rake angleCNPC USA CORP·Filed 2021·Granted Jun 18, 2024·0 cites·9 claims
- 0468US2024093556A1Cutting Elements with Ridged and Inclined Cutting FaceCNPC USA CORP·Filed 2023·Application pending·0 cites
- 0558US2022003046A1Cutting Elements with Ridged and Inclined Cutting FaceCNPC USA CORP·Filed 2021·Application pending·0 cites
- 0655US2024100630A1Laser cutting head with variable spot trajectory shape and cutting process thereofJINAN BODOR CNC MACHINE CO LTD·Filed 2021·Application pending·0 cites
- 0752US12218610B1Sensor system with an interior sensor and a piezoelectric power supplyCNPC USA CORP·Filed 2023·Granted Feb 4, 2025·0 cites·20 claims
- 0850US12145208B2Worm gear machineUNIV CHONGQING·Filed 2021·Granted Nov 19, 2024·0 cites·5 claims
- 0950US11919748B2Hoist for transferred materials in underground auxiliary transportation system and method thereofUNIV CHINA MINING·Filed 2022·Granted Mar 5, 2024·0 cites·8 claims
- 1049US12038096B1Choke combination device for gas productionSICHUAN HONGDA SECURITY TECH SERVICE CO LTD·Filed 2024·Granted Jul 16, 2024·0 cites·5 claims
- 1146US12066809B2Method for identifying critical error of worm gear machine and method for iteratively compensating critical error of worm gear machineUNIV CHONGQING·Filed 2021·Granted Aug 20, 2024·0 cites·12 claims
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