Patent (Click the name, and you can see original register of it)   Name of Invention : Keyboard Patent No. : 10-0122235-00-00 Application No. : 1019930012376 Applied by : BTC Secu Co., Ltd. Name of Invention : Alarming through keyboard Patent No. : 10-0367661-00-00 Application No. : 1019990059742 Applied by : BTC Secu Co., Ltd. Name of Invention : Auto setting of keyboard hot key by Internet website Patent No. : 10-0347704-00-00 Application No. : 1020000004767 Applied by : BTC Secu Co., Ltd. Name of Invention : Keyboard performing macro functions Patent No. : 10-0356355-00-00 Application No. : 1020000041206 Applied by : BTC Secu Co., Ltd.   Utility model Name of Invention : Hot key keyboard with a fingerprint verifier attached Registration No. : 20-0207217-00-00 Application No. : 2020000004975 Applied by : BTC Secu Co., Ltd. Name of Invention : Filial Duty Keyboard Registration No. : 20-0214912-00-00 Application No. : 2020000025911 Applied by : BTC Secu Co., Ltd. Name of Invention : Memo Keyboard Registration No. : 20-0219105-00-00 Application No. : 2020000029552 Applied by : BTC Secu Co., Ltd. Name of Invention : Attachable Hotkey Pad Registration No. : 20-0225619-00-00 Application No. : 2020000035481 Applied by : BTC Secu Co., Ltd. Name of Invention : Card Reader-Buit-in Security Keyboard Registration No. : 20-0257654-00-00 Application No. : 2020010027029 Applied by : BTC Secu Co., Ltd. Name of Invention : Tablet PC with a small keyboard of drawer-type combination structure Registration No. : 20-0289739-00-00 Application No. : 2020020018929 Applied by : BTC Secu Co., Ltd.   Name of Invention : Flash memory card reader built-in key board Registration No. : 20-0341238-00-00 Application No. : 2020030036929 Applied by : BTC Secu Co., Ltd.