Inventor · Hsinchu, TW

Frederick Chen

70Patents
9h-index
50Co-inventors
81Inventor score

Filing activity: Oct 1, 1999 → Apr 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7888155B2 Phase-change memory element and method for fabricating the same Electricity 39 Active
US7679163B2 Phase-change memory element Electricity 22 Active
US6485869B2 Photomask frame modification to eliminate process induced critical dimension control variation Physics 19 Expired
US7964862B2 Phase change memory devices and methods for manufacturing the same Electricity 17 Active
US8642985B2 Memory Cell Electricity 17 Active
US7678606B2 Phase change memory device and fabrication method thereof Physics 14 Active
US7919768B2 Phase-change memory element Electricity 14 Active
US7521372B2 Method of fabrication of phase-change memory Physics 13 Active
US8817521B2 Control method for memory cell Physics 11 Active
US10157962B2 Resistive random access memory Electricity 8 Active
US8624218B2 Non-volatile memory structure and method for fabricating the same Electricity 7 Active
US7919413B2 Methods for forming patterns Electricity 6 Active
US9443587B1 Resistive memory apparatus and writing method thereof Physics 6 Active
US8198620B2 Resistance switching memory Electricity 5 Active
US8426838B2 Phase-change memory Electricity 5 Active
US8604457B2 Phase-change memory element Electricity 4 Active
US9734908B1 Writing method for resistive memory cell and resistive memory Physics 4 Active
US9716223B1 RRAM device and method for manufacturing the same Electricity 4 Active
US6692878B2 Photomask frame modification to eliminate process induced critical dimension control variation Physics 4 Expired
US9257641B2 Via structure, memory array structure, three-dimensional resistance memory and method of forming the same Electricity 4 Active
US9859338B2 Three-dimensional resistive memory Electricity 4 Active
US10522755B2 Resistive memory and method of fabricating the same Electricity 4 Active
US8884260B2 Phase change memory element Electricity 4 Active
US8716099B2 Phase-change memory Electricity 3 Active
US9735352B2 Phase change memory element Electricity 2 Active

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