Systems and methods for routing wireless emergency calls to an appropriate public safety answer point
US-2026067661-A1 · Mar 5, 2026 · US
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Lan Wei-Ming patents
Lan Wei-Ming is listed as an inventor on 77 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lan Wei-Ming |
| Total patents | 77 |
| First publication | Mar 21, 2019 |
| Latest publication | Mar 5, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Systems and methods for refining user equipment location for wireless emergency location-based call routing
US-2026067992-A1 · Mar 5, 2026 · US
Systems and methods for enhancing availability of user equipment location for location-based routing of a wireless emergency call
US-2026067991-A1 · Mar 5, 2026 · US
Sanctuary antenna for frequency division duplex carrier degradation during time division duplexing sounding reference signal antenna sharing
US-12494892-B2 · Dec 9, 2025 · US
Emergency alert systems and methods for differently abled persons
US-12333926-B2 · Jun 17, 2025 · US
User equipment barometer calibration over time
US-12213035-B1 · Jan 28, 2025 · US
Using morphology to determine a confidence level of a civic address associated with an enhanced 911 call
US-2025024239-A1 · Jan 16, 2025 · US
Sanctuary antenna for frequency division duplex carrier degradation duing time division duplexing sounding reference signal antenna sharing
US-2024421969-A1 · Dec 19, 2024 · US
Uncertainty based selection for location reporting in e911 systems
US-2024397300-A1 · Nov 28, 2024 · US
Uncertainty based selection for location reporting in E911 systems
US-12082091-B1 · Sep 3, 2024 · US
Recent patents
Latest publications not already listed above.
Enhancing location accuracy in dense urban environment
US-12078742-B2 · Sep 3, 2024 · US
Emergency alert systems and methods for differently abled persons
US-2024282181-A1 · Aug 22, 2024 · US
Configurable radio frequency filter
US-12004134-B2 · Jun 4, 2024 · US
Emergency alert systems and methods for differently abled persons
US-11995978-B1 · May 28, 2024 · US
Wireless Telecommunication Using Subframes
US-2024137915-A1 · Apr 25, 2024 · US
Method to determine the quality of civic address produced by reverse geocoder
US-11940547-B2 · Mar 26, 2024 · US
Device-based timely emergency call routing
US-11924713-B2 · Mar 5, 2024 · US
Uncertainty based location reporting in E911 systems
US-11917490-B1 · Feb 27, 2024 · US
Uncertainty based altitude filtering for location reporting in E911 systems
US-11877221-B1 · Jan 16, 2024 · US
Wireless telecommunication using subframes
US-11877271-B2 · Jan 16, 2024 · US
Method to determine the quality of civic address produced by reverse geocoder
US-2023258762-A1 · Aug 17, 2023 · US
Device-based timely emergency call routing
US-2023188944-A1 · Jun 15, 2023 · US
Locating signal interference using unmanned aerial vehicles
US-11675041-B2 · Jun 13, 2023 · US
Enhancing location accuracy in dense urban environment
US-2023176173-A1 · Jun 8, 2023 · US
E-911 methods and systems for DBH horizontal uncertainty
US-11671814-B1 · Jun 6, 2023 · US
Method to determine the quality of civic address produced by reverse geocoder
US-11668784-B2 · Jun 6, 2023 · US
Method to determine the quality of civic address produced by reverse geocoder
US-2023144228-A1 · May 11, 2023 · US
Mobile device geographic location determination for emergency services
US-11617059-B1 · Mar 28, 2023 · US
Enhancing location accuracy in dense urban environment
US-11598837-B2 · Mar 7, 2023 · US
Device-based timely emergency call routing
US-11589188-B1 · Feb 21, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| T Mobile Usa Inc | 62 |
| T Mobile Innovations Llc | 15 |
Top CPC classifications
Most common classification codes across this inventor's patents.