Patent assignee · TW · COMPANY

MOSEL VITELIC INC.

473Patents
11Active
473Granted
42Portfolio score

Filing activity: Jul 16, 1992 → Jun 30, 2020 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6306772A Deep trench bottle-shaped etching using Cl2 gas Electricity 172 Expired
US6265269A Method for fabricating a concave bottom oxide in a trench Electricity 100 Expired
US6355524B1 Nonvolatile memory structures and fabrication methods Electricity 98 Expired
US5701013A Wafer metrology pattern integrating both overlay and critical dimension features for SEM or AFM measurements Electricity 97 Expired
US6133597A Biasing an integrated circuit well with a transistor electrode Electricity 90 Expired
US6303436A Method for fabricating a type of trench mask ROM cell Emerging Cross-Sectional Technologies 81 Expired
US5452261A Serial address generator for burst memory Physics 69 Expired
US6008106A Micro-trench oxidation by using rough oxide mask for field isolation Electricity 59 Expired
US6040216A Method (and device) for producing tunnel silicon oxynitride layer Electricity 55 Expired
US5811358A Low temperature dry process for stripping photoresist after high dose ion implantation Electricity 53 Expired
US6194272A Split gate flash cell with extremely small cell size Emerging Cross-Sectional Technologies 50 Expired
US5827747A Method for forming LDD CMOS using double spacers and large-tilt-angle ion implantation Emerging Cross-Sectional Technologies 49 Expired
US6008515A Stacked capacitor having improved charge storage capacity Electricity 47 Expired
US5672243A Antireflection coating for highly reflective photolithographic layers comprising chromium oxide or chromium suboxide Emerging Cross-Sectional Technologies 45 Expired
US6440792B1 DRAM technology of storage node formation and no conduction/isolation process of bottle-shaped deep trench Electricity 45 Expired
US5760484A Alignment mark pattern for semiconductor process Electricity 41 Expired
US6415374B1 System and method for supporting sequential burst counts in double data rate (DDR) synchronous dynamic random access memories (SDRAM) Physics 40 Expired
US5843822A Double-side corrugated cylindrical capacitor structure of high density DRAMs Electricity 40 Expired
US5516711A Method for forming LDD CMOS with oblique implantation Electricity 39 Expired
US6184093A Method of implementing differential gate oxide thickness for flash EEPROM Emerging Cross-Sectional Technologies 38 Expired
US6191997A Memory burst operations in which address count bits are used as column address bits for one, but not both, of the odd and even columns selected in parallel. Physics 35 Expired
US6232171A Technique of bottle-shaped deep trench formation Electricity 35 Expired
US6123865A Method for improving etch uniformity during a wet etching process Electricity 33 Expired
US5972754A Method for fabricating MOSFET having increased effective gate length Electricity 33 Expired
US6743675B2 Floating gate memory fabrication methods comprising a field dielectric etch with a horizontal etch component Electricity 32 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.