Inventor · Pendleton, OR, US

Robert Norman

236Patents
53h-index
41Co-inventors
90Inventor score

Filing activity: Oct 11, 1977 → Jul 9, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5297148A Flash eeprom system Physics 608 Expired
US6230233A Wear leveling techniques for flash EEPROM systems Physics 553 Expired
US5430859A Solid state memory system including plural memory chips and a serialized bus Emerging Cross-Sectional Technologies 550 Expired
US5657332A Soft errors handling in EEPROM devices Physics 540 Expired
US5602987A Flash EEprom system Physics 527 Expired
US5418752A Flash EEPROM system with erase sector select Physics 440 Expired
US5532962A Soft errors handling in EEPROM devices Physics 435 Expired
US5200959A Device and method for defect handling in semi-conductor memory Physics 434 Expired
US5663901A Computer memory cards using flash EEPROM integrated circuit chips and memory-controller systems Electricity 433 Expired
US6081447A Wear leveling techniques for flash EEPROM systems Physics 374 Expired
US6850443B2 Wear leveling techniques for flash EEPROM systems Physics 331 Expired
US6594183B1 Wear leveling techniques for flash EEPROM systems Physics 290 Expired
US5562729A Heart valve Emerging Cross-Sectional Technologies 256 Expired
US5535328A Non-volatile memory system card with flash erasable sectors of EEprom cells including a mechanism for substituting defective cells Physics 253 Expired
US6715044B2 Device and method for controlling solid-state memory system Emerging Cross-Sectional Technologies 250 Expired
US4892518A Hemodialysis Emerging Cross-Sectional Technologies 247 Expired
US7719876B2 Preservation circuit and methods to maintain values representing data in one or more layers of memory Physics 229 Active
US5754567A Write reduction in flash memory systems through ECC usage Physics 212 Expired
US5719808A Flash EEPROM system Physics 208 Expired
US6011741A Computer memory cards using flash EEPROM integrated circuit chips and memory-controller systems Electricity 199 Expired
US5715193A Flash memory system and method for monitoring the disturb effect on memory cell blocks due to high voltage conditions of other memory cell blocks Physics 185 Expired
US6601211B1 Write reduction in flash memory systems through ECC usage Physics 175 Expired
US5504760A Mixed data encoding EEPROM system Physics 170 Expired
US6034891A Multi-state flash memory defect management Physics 168 Expired
US6149316A Flash EEprom system Physics 167 Expired

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