Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Door unlocking system and door unlocking method

Door unlocking system and door unlocking method

US Patent 10147250 · Granted Dec 4, 2018

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

RFID auxiliary antenna device2024
Antenna device and RFID tag communication device2024
Wireless IC tag-attached metal medical instrument2023
Wireless IC tag-attached metal medical instrument2023
Attention tag for retail article and retail article having same attached thereto2021
Watch with built-in tag and method of determining authenticity of watch with bui2021
Wireless IC device2020
UHF band RFID tag and UHF band RFID tagged article2020
Electromagnetic-coupling-module-attached article2020
Antenna device and method of manufacturing the same2019
Wireless communication device2019
Radio IC device2019