Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › IC card with keyboard for prestoring transaction data

IC card with keyboard for prestoring transaction data

US Patent 5140517 · Granted Aug 18, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Semiconductor device and method of manufacturing semiconductor device2025
Endoscope hood and endoscope system2025
Member for semiconductor manufacturing apparatus2025
Illumination ornament2023
Vehicle2023
Method for controlling building-inhabiting pest and composition for controlling 2022
Vehicle2022
Electric heating type support and exhaust gas purifying device2021
Method of assembling or disassembling housing shelf, method of producing ceramic2021
Individual step-up circuit, step-up circuit, and electronic apparatus2021
Manufacturing method of silicon carbide-based honeycomb structure2021
Method and device for transferring columnar honeycomb structures2021