Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12258784 | Door strike plate sensor | George Seelman, Steven Stallard, Fong-Min Chang | 2025-03-25 |
| 11915695 | Method of and a device for using a wireless receiver as a help-seeking-signal converter for rendering help using smart speakers | Fong-Min Chang, Chih-Cheng Tai | 2024-02-27 |
| 11870479 | Device for personal emergency response system | Fong-Min Chang, Chih-Cheng Tai | 2024-01-09 |
| 11769392 | Method of and device for converting landline signals to Wi-Fi signals and user verified emergency assistant dispatch | Fong-Min Chang, Chih-Cheng Tai | 2023-09-26 |
| 11468760 | Device for and method of sensing motion or lack-of-motion using data received from one or more sensors to turn on or off internal or external devices | Fong-Min Chang, Chih-Cheng Tai | 2022-10-11 |
| 11367338 | Self contained property management system | Fong-Min Chang, Chih-Cheng Tai | 2022-06-21 |
| 10964199 | AI-based monitoring system for reducing a false alarm notification to a call center | Fong-Min Chang, Chih-Cheng Tai | 2021-03-30 |
| 10839671 | Self contained property management system | Fong-Min Chang, Chih-Cheng Tai | 2020-11-17 |
| 10380880 | Methods of and devices for filtering triggered alarm signals | Fong-Min Chang, Chih-Cheng Tai | 2019-08-13 |
| 9520053 | Event communication apparatus and method | George Seelman, Fong-Min Chang, David Martinez | 2016-12-13 |
| 8994538 | System, method and apparatus for medical device data reporting and taking action based thereon | George Seelman | 2015-03-31 |
| 8779919 | Event communication apparatus and method | George Seelman, Fong-Min Chang, David Martinez | 2014-07-15 |
| 8477911 | Personal emergency response system with alternative voice line capability | — | 2013-07-02 |