Inventor
Douglas Dunn
Inventor
San Diego, CA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks55%
H04BTransmission14%
H04LTransmission of digital information, e.g. telegraphic communication14%
G01SRadio direction-finding9%
H10DInorganic electric semiconductor devices5%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
PatentTitleYear
10,887,815Handover management based on speeds of wireless communication devices202110,477,570Advance communication resource notification in wireless communication systems having overlapping service areas201910,004,022Handover signaling using an MBSFN channel in a cellular communication system20189,872,275'Inter-cell messaging using MBSFN Subframe'20189,706,369'Handover management using a broadcast channel in a network having synchronized base stations'20179,596,629'Systems and methods for transparent point-to-point handovers of a mobile relay'20179,591,461'Transmission of MBSFN subframe within a non-LTE service area'20179,467,880'Management of device-to-device discovery signals and small cell discovery signals'20169,414,288'Handover management based on speeds of wireless communication devices'20169,072,036'Method for selecting an air interface on a multi-mode wireless device'20158,126,423'E911 location reporting without PSAP support'20127,292,550'System and method for minimizing voice packet loss during a wireless communications device candidate frequency search (CFS)'20076,973,298'Location capable mobile handset'20055,239,685'Process for fabricating a MMIC hybrid device and a transceiver fabricated thereby'19934,901,083'Near obstacle detection system'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990Based in Bellflower, CA, US· patent location history
1993–2015Based in Chula Vista, CA, US· patent location history
2005–2021Based in San Diego, CA, US· patent location history
2012–2021Patents assigned to KYOCERA CORP (11)· patent assignee history
2012–2015Patents assigned to CHANG HENRY S (2)· patent assignee history
2012–2015Patents assigned to DUNN DOUGLAS L (2)· patent assignee history
2016–2017Patents assigned to CHANG HENRY (2)· patent assignee history
2016–2017Patents assigned to DUNN DOUGLAS (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KYOCERA CORP | 11 | 2012–2021 |
| CHANG HENRY | 2 | 2016–2017 |
| CHANG HENRY S | 2 | 2012–2015 |
| DUNN DOUGLASself | 2 | 2016–2017 |
| DUNN DOUGLAS Lself | 2 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Diego, California, US | 11 | 2005–2021 |
| Chula Vista, California, US | 3 | 1993–2015 |
| Bellflower, California, US | 1 | 1990 |