Inventor
LIU YOUMING
CN22 patents
⚠️ This page may combine multiple inventors who share the name “LIU YOUMING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHANGXIN MEMORY TECH INC
16 patentsUS12471267B2Nov 11, 2025
Transistor and manufacturing method thereof, and memory
CHANGXIN MEMORY TECH INC0 citations62
US12309999B2May 20, 2025
Semiconductor structure and manufacturing method thereof
CHANGXIN MEMORY TECH INC0 citations62
US12300744B2May 13, 2025
Semiconductor structure and manufacturing method thereof
CHANGXIN MEMORY TECH INC0 citations62
US11854862B2Dec 26, 2023
Semiconductor structure and manufacturing method thereof
CHANGXIN MEMORY TECH INC1 citations62
US12575087B2Mar 10, 2026
Semiconductor structure and manufacturing method thereof
CHANGXIN MEMORY TECH INC0 citations52
US12495539B2Dec 9, 2025
Semiconductor structure, method for manufacturing same, and memory
CHANGXIN MEMORY TECH INC0 citations52
US12598732B2Apr 7, 2026
Semiconductor structure and method for manufacturing memory
CHANGXIN MEMORY TECH INC0 citations51
US12446206B2Oct 14, 2025
Three-dimensional semiconductor structure and formation method thereof
CHANGXIN MEMORY TECH INC0 citations51
US12446207B2Oct 14, 2025
Semiconductor device having bottom bit line and narrow channel, and forming method thereof
CHANGXIN MEMORY TECH INC0 citations51
US12382624B2Aug 5, 2025
2T0C semiconductor structure
CHANGXIN MEMORY TECH INC0 citations51
US12376283B2Jul 29, 2025
Semiconductor structure, method for manufacturing same
CHANGXIN MEMORY TECH INC0 citations51
US12096619B2Sep 17, 2024
Semiconductor structure and manufacturing method thereof
CHANGXIN MEMORY TECH INC0 citations51
US12513881B2Dec 30, 2025
Semiconductor structure and manufacturing method thereof
CHANGXIN MEMORY TECH INC0 citations50
US12507393B2Dec 23, 2025
Semiconductor device including active pillars made of three semiconductor layers, method for operating same, and semiconductor structure
CHANGXIN MEMORY TECH INC0 citations50
US12464785B2Nov 4, 2025
Semiconductor structure and method for fabricating same
CHANGXIN MEMORY TECH INC0 citations50
US12426237B2Sep 23, 2025
Semiconductor structure and method for forming same
CHANGXIN MEMORY TECH INC0 citations50
SEAGATE TECHNOLOGY LLC
3 patentsUS6416839B1Jul 9, 2002
Magnetic recording medium with laser-formed differential zone lubrication
SEAGATE TECHNOLOGY LLC31 citations90
US6468596B1Oct 22, 2002
Laser-assisted in-situ fractionated lubricant and a new process for surface of magnetic recording media
SEAGATE TECHNOLOGY LLC8 citations71
US6221442B1Apr 24, 2001
Method of making a magnetic recording medium with laser-formed differential zone lubrication
SEAGATE TECHNOLOGY LLC2 citations60