Inventor · Bellevue, WA, US

Yanjun Ma

84Patents
18h-index
117Co-inventors
87Inventor score

Filing activity: Apr 30, 1998 → Mar 14, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6627503B2 Method of forming a multilayer dielectric stack Electricity 649 Expired
US6297539A Doped zirconia, or zirconia-like, dielectric film transistor structure and deposition method for same Electricity 604 Expired
US6407435B1 Multilayer dielectric stack and method Electricity 278 Expired
US6060755A Aluminum-doped zirconium dielectric film transistor structure and deposition method for same Electricity 159 Expired
US6207589A Method of forming a doped metal oxide dielectric film Electricity 100 Expired
US6441417B1 Single c-axis PGO thin film on ZrO2 for non-volatile memory applications and methods of making the same Electricity 77 Expired
US6200866A Use of silicon germanium and other alloys as the replacement gate for the fabrication of MOSFET Electricity 70 Expired
US6950342B2 Differential floating gate nonvolatile memories Physics 65 Expired
US6573134B2 Dual metal gate CMOS devices and method for making the same Electricity 62 Expired
US6348373B1 Method for improving electrical properties of high dielectric constant films Electricity 49 Expired
US6620664B2 Silicon-germanium MOSFET with deposited gate dielectric and metal gate electrode and method for making the same Electricity 46 Expired
US6184110A Method of forming nitrogen implanted ultrathin gate oxide for dual gate CMOS devices Electricity 41 Expired
US7482251B1 Etch before grind for semiconductor die singulation Electricity 35 Active
US6403453B1 Dose control technique for plasma doping in ultra-shallow junction formations Electricity 35 Expired
US8188927B1 RFID tag assembly methods Emerging Cross-Sectional Technologies 28 Active
US7679957B2 Redundant non-volatile memory cell Physics 28 Active
US9349440B1 Non-volatile SRAM with multiple storage states Physics 20 Active
US7843032B1 Radio frequency identification device electrostatic discharge management Electricity 20 Active
US8661652B1 RFID tag assembly methods Emerging Cross-Sectional Technologies 16 Active
US6410383B1 Method of forming conducting diffusion barriers Electricity 14 Expired
US9317799B1 RFID tag assembly methods Emerging Cross-Sectional Technologies 12 Active
US6759695B2 Integrated circuit metal oxide semiconductor transistor Electricity 11 Expired
US7808823B2 RFID tag with redundant non-volatile memory cell Physics 11 Active
US10116033B1 RFID tag assembly methods Emerging Cross-Sectional Technologies 8 Active
US11024936B1 RFID tag assembly methods Emerging Cross-Sectional Technologies 7 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.