Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11558801 | Handover management based on speeds of wireless communication devices | Henry Chang | 2023-01-17 |
| 10887815 | Handover management based on speeds of wireless communication devices | Henry Chang | 2021-01-05 |
| 10477570 | Advance communication resource notification in wireless communication systems having overlapping service areas | Amit Kalhan, Henry Chang, David Comstock | 2019-11-12 |
| 10004022 | Handover signaling using an MBSFN channel in a cellular communication system | Amit Kalhan, Henry Chang, David Comstock | 2018-06-19 |
| 9872275 | Inter-cell messaging using MBSFN Subframe | Amit Kalhan, Henry Chang, David Comstock | 2018-01-16 |
| 9706369 | Handover management using a broadcast channel in a network having synchronized base stations | Amit Kalhan, Henry Chang, David Comstock | 2017-07-11 |
| 9596629 | Systems and methods for transparent point-to-point handovers of a mobile relay | Amit Kalhan, David Comstock, Henry Chang | 2017-03-14 |
| 9591461 | Transmission of MBSFN subframe within a non-LTE service area | Amit Kalhan, Henry Chang, David Comstock | 2017-03-07 |
| 9467880 | Management of device-to-device discovery signals and small cell discovery signals | Amit Kalhan, Henry Chang, David Comstock | 2016-10-11 |
| 9414288 | Handover management based on speeds of wireless communication devices | Henry Chang | 2016-08-09 |
| 9072036 | Method for selecting an air interface on a multi-mode wireless device | Henry Chang | 2015-06-30 |
| 8126423 | E911 location reporting without PSAP support | Henry Chang, Amit Kalhan | 2012-02-28 |
| 7292550 | System and method for minimizing voice packet loss during a wireless communications device candidate frequency search (CFS) | Henry Chang | 2007-11-06 |
| 6973298 | Location capable mobile handset | Henry Chang | 2005-12-06 |
| 5239685 | Process for fabricating a MMIC hybrid device and a transceiver fabricated thereby | Douglas Moe, Clarence L. Bruckner, Richard C. Dewey | 1993-08-24 |
| 4901083 | Near obstacle detection system | Phillip A. May, Cheng P. Wen, Stephen FERRY | 1990-02-13 |