MICROCHIP TECHNOLOGY INCORPORATED
1,322Patents
1,054Active
1,322Granted
62Portfolio score
Filing activity: Jun 22, 1987 → Aug 9, 2024 · 127 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6720866B1 | Radio frequency identification tag device with sensor input | Physics | 174 | Expired |
| US6963270B1 | Anticollision protocol with fast read request and additional schemes for reading multiple transponders in an RFID system | Physics | 156 | Expired |
| US5670915A | Accurate RC oscillator having peak - to - peak voltage control | Electricity | 147 | Expired |
| US6043746A | Radio frequency identification (RFID) security tag for merchandise and method therefor | Physics | 141 | Expired |
| US6052035A | Oscillator with clock output inhibition control | Electricity | 130 | Expired |
| US6049289A | Remote controlled garage door opening system | Emerging Cross-Sectional Technologies | 129 | Expired |
| US5469557A | Code protection in microcontroller with EEPROM fuses | Physics | 128 | Expired |
| US6463798B2 | Tire inflation pressure monitoring and location determining method and apparatus | Performing Operations; Transporting | 125 | Expired |
| US5457649A | Semiconductor memory device and write-once, read-only semiconductor memory array using amorphous-silicon and method therefor | Electricity | 121 | Expired |
| US5841866A | Secure token integrated circuit and method of performing a secure authentication function or transaction | Physics | 115 | Expired |
| US6002638A | Memory device having a switchable clock output and method therefor | Electricity | 112 | Expired |
| US6480110B2 | Inductively tunable antenna for a radio frequency identification tag | Electricity | 112 | Expired |
| US6166960A | Method, system and apparatus for determining that a programming voltage level is sufficient for reliably programming an eeprom | Physics | 103 | Expired |
| US5422807A | Microcontroller with improved A/D conversion | Electricity | 102 | Expired |
| US5841996A | Serial communication interface system having programmable microcontroller for use in a battery pack | Electricity | 99 | Expired |
| US5619430A | Microcontroller with on-chip linear temperature sensor | Electricity | 98 | Expired |
| US6356161B1 | Calibration techniques for a precision relaxation oscillator integrated circuit with temperature compensation | Physics | 96 | Expired |
| US6571617B2 | Method and apparatus using directional antenna or learning modes for tire inflation pressure monitoring and location determination | Physics | 94 | Expired |
| US6424263B1 | Radio frequency identification tag on a single layer substrate | Electricity | 94 | Expired |
| US5488711A | Serial EEPROM device and associated method for reducing data load time using a page mode write cache | Physics | 92 | Expired |
| US6456044B1 | Microcontroller with integral switch mode power supply controller | Electricity | 88 | Expired |
| US5686904A | Secure self learning system | Electricity | 88 | Expired |
| US5714416A | Semiconductor memory device and write-once, read-only semiconductor memory array using amorphous-silicon and method therefor | Electricity | 86 | Expired |
| US6047380A | Microcontroller wake-up function having an interleaving priority scheme for sampling a plurality of analog input signals | Physics | 84 | Expired |
| US5454114A | Microcontroller power-up delay | Physics | 83 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.