Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HC

Henry Chang

Kyocera: 296 patents #2 of 3,732Top 1%
KWKyocera Wireless: 9 patents #9 of 163Top 6%
BHBaker Hughes Holdings: 1 patents #1,949 of 3,522Top 60%
San Diego, CA: #65 of 23,606 inventorsTop 1%
California: #226 of 386,348 inventorsTop 1%
Overall (All Time): #1,230 of 4,157,543Top 1%
306 Patents All Time

Issued Patents All Time

Showing 276–300 of 306 patents

Patent #TitleCo-InventorsDate
9100858 Mobile communication method, radio terminal, and base station Noriyoshi Fukuta 2015-08-04
9072036 Method for selecting an air interface on a multi-mode wireless device Douglas Dunn 2015-06-30
8854979 Radio measurement collection method and radio terminal Noriyoshi Fukuta 2014-10-07
8792468 System and method for broadcasting overhead parameters in poor coverage regions Amit Kalhan, Timothy Thome, Doug Dunn 2014-07-29
8666445 Apparatus, system, and method for transmission antenna switching in a portable communication device Doug Dunn, Gregory Poilasne 2014-03-04
8396431 Mobile station traffic state antenna tuning systems and methods Jorge Fabrega-Sanchez, Gregory Poilasne 2013-03-12
8391865 System selection method and arrangement for mobile wireless communication devices Doug Dunn, Amit Kalhan, Timothy Thome 2013-03-05
8315615 Wireless communication device management system and method Amit Kalhan, Doug Dunn 2012-11-20
8260939 System and method for scheduling wireless channel resources Doug Dunn 2012-09-04
8238921 User zone information transmission management Doug Dunn 2012-08-07
8165577 Pilot signal transmission management Doug Dunn 2012-04-24
8165606 Apparatus, system, and method for location information management in a portable communication device Doug Dunn, Amit Kalhan 2012-04-24
8126423 E911 location reporting without PSAP support Douglas Dunn, Amit Kalhan 2012-02-28
8126468 Apparatus, system and method for priority call management Doug Dunn, Amit Kalhan 2012-02-28
8073500 Detecting the presence of multiple communication access technologies Doug Dunn 2011-12-06
7847740 Antenna system having receiver antenna diversity and configurable transmission antenna and method of management thereof Doug Dunn, Gregory Poilasne, Huan-Sheng Hwang, Ramon Khalona 2010-12-07
7796963 Mobile station acquisition state antenna tuning systems and methods Jorge Fabrega-Sanchez, Gregory Poilasne 2010-09-14
7577411 Mobile station access and idle state antenna tuning systems and methods Gregory Poilasne, Jorge Fabrega-Sanchez 2009-08-18
7574218 Systems and methods for transmitting global positioning system information Tim Forrester, Doug Dunn 2009-08-11
7567807 Apparatus and method for performing handoff with a mobile station having a smart antenna Doug Dunn 2009-07-28
7548762 Method for tuning a GPS antenna matching network Jorge Fabrega-Sanchez, Srivatsan Veeraraghavan, Ammar Kitabi 2009-06-16
7508791 Wireless communication coding and transmission systems and methods Amit Kalhan, Doug Dunn, Ramon Khalona 2009-03-24
7499691 Systems and methods for selecting an antenna configuration in a mobile communication device Doug Dunn 2009-03-03
7499681 Apparatus, system, and method for managing an antenna network during a half duplex call Doug Dunn, Jorge Fabrega-Sanchez 2009-03-03
7437170 System and method for efficient push-to-talk communications Doug Dunn 2008-10-14