Inventor · Cupertino, CA, US

Johnny C. Chen

37Patents
18h-index
27Co-inventors
81Inventor score

Filing activity: Sep 18, 1984 → Feb 1, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5867430A Bank architecture for a non-volatile memory enabling simultaneous reading and writing Physics 125 Expired
US6331950A Write protect input implementation for a simultaneous operation flash memory device Physics 71 Expired
US5291446A VPP power supply having a regulator circuit for controlling a regulated positive potential Electricity 70 Expired
US5263000A Drain power supply Physics 62 Expired
US5644531A Program algorithm for low voltage single power supply flash memories Physics 55 Expired
US5841696A Non-volatile memory enabling simultaneous reading and writing by time multiplexing a decode path Physics 53 Expired
US5349558A Sector-based redundancy architecture Physics 53 Expired
US6275894A Bank selector circuit for a simultaneous operation flash memory device with a flexible bank partition architecture Physics 39 Expired
US5612921A Low supply voltage negative charge pump General 35 Revoked
US6662262B1 OTP sector double protection for a simultaneous operation flash memory Physics 34 Expired
US5708387A Fast 3-state booster-circuit Electricity 34 Expired
US5282170A Negative power supply Physics 30 Expired
US5359558A Flash eeprom array with improved high endurance Physics 26 Expired
US5973979A Low supply voltage negative charge pump Electricity 25 Expired
US6005803A Memory address decoding circuit for a simultaneous operation flash memory device with a flexible bank partition architecture Physics 23 Expired
US5650966A Temperature compensated reference for overerase correction circuitry in a flash memory Physics 20 Expired
US5406517A Distributed negative gate power supply Physics 18 Expired
US5311385A Magnetoresistive head with integrated bias and magnetic shield layer Physics 18 Expired
US4646269A Multiple programmable initialize words in a programmable read only memory Physics 17 Expired
US6033955A Method of making flexibly partitioned metal line segments for a simultaneous operation flash memory device with a flexible bank partition architecture Physics 17 Expired
US5995415A Simultaneous operation flash memory device with a flexible bank partition architecture Physics 15 Expired
US6178129A Separate output power supply to reduce output noise for a simultaneous operation Physics 13 Expired
US6463516B1 Variable sector size for a high density flash memory device Physics 13 Expired
US5373408A Configuring domain pattern in thin films of magnetic heads Physics 12 Expired
US5376835A Power-on reset circuit Electricity 8 Expired

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