Information Storage Devices, Inc.
44Patents
0Active
44Granted
38Portfolio score
Filing activity: Jul 13, 1988 → Aug 9, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6301151A | Adaptive programming method and apparatus for flash memory analog storage | Physics | 209 | Expired |
| US5926409A | Method and apparatus for an adaptive ramp amplitude controller in nonvolatile memory application | Physics | 173 | Expired |
| US4890259A | High density integrated circuit analog signal recording and playback system | Physics | 143 | Expired |
| US5220531A | Source follower storage cell and improved method and apparatus for iterative write for integrated circuit analog signal recording and playback | Physics | 129 | Expired |
| US5388064A | Programmable non-volatile analog voltage source devices and methods | Physics | 125 | Expired |
| US4989179A | High density integrated circuit analog signal recording and playback system | Physics | 118 | Expired |
| US5726934A | Method and apparatus for analog reading values stored in floating gate structures | Physics | 79 | Expired |
| US5241494A | Integrated circuit system for analog signal recording and playback | Physics | 77 | Expired |
| US5164915A | Cascading analog record/playback devices | Physics | 64 | Expired |
| US5294819A | Single-transistor cell EEPROM array for analog or digital storage | Electricity | 61 | Expired |
| US5629890A | Integrated circuit system for analog signal storing and recovery incorporating read while writing voltage program method | Physics | 61 | Expired |
| US5808506A | MOS charge pump generation and regulation method and apparatus | Electricity | 53 | Expired |
| US6002620A | Method and apparatus of column redundancy for non-volatile analog and multilevel memory | Physics | 51 | Expired |
| US5126967A | Writable distributed non-volatile analog reference system and method for analog signal recording and playback | Physics | 50 | Expired |
| US5969987A | Non-volatile electrically alterable semiconductor memory for analog and digital storage | Physics | 49 | Expired |
| US5631606A | Fully differential output CMOS power amplifier | Electricity | 48 | Expired |
| US5815435A | Storage cell for analog recording and playback | Physics | 46 | Expired |
| US5623436A | Method and apparatus for adjustment and control of an iterative method of recording analog signals with on-chip trimming techniques | Physics | 44 | Expired |
| US5745414A | Integrated circuit system having reference cells for improving the reading of storage cells | Physics | 43 | Expired |
| US5243239A | Integrated MOSFET resistance and oscillator frequency control and trim methods and apparatus | Electricity | 43 | Expired |
| US5352934A | Integrated mosfet resistance and oscillator frequency control and trim methods and apparatus | Electricity | 41 | Expired |
| US5783934A | CMOS voltage regulator with diode-connected transistor divider circuit | Electricity | 41 | Expired |
| US5828592A | Analog signal recording and playback integrated circuit and message management system | Physics | 40 | Expired |
| US5973956A | Non-volatile electrically alterable semiconductor memory for analog and digital storage | Physics | 36 | Expired |
| US5642316A | Method and apparatus of redundancy for non-volatile memory integrated circuits | Physics | 35 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.