P

Inventor

HUANG CHENHONG

US15 patents
⚠️ This page may combine multiple inventors who share the name “HUANG CHENHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NORTEL NETWORKS LTD

9 patents
US6128490AOct 3, 2000

Wireless communication system that supports selection of operation from multiple frequency bands and multiple protocols and method of operation therefor

NORTEL NETWORKS LTD205 citations99
US6374109B1Apr 16, 2002

Wireless communication system and subscriber unit that support selection of operation from multiple frequency bands and multiple protocols and method of operation therefor

NORTEL NETWORKS LTD81 citations98
US6438369B1Aug 20, 2002

Network directed system selection for cellular and PCS enhanced roaming

NORTEL NETWORKS LTD130 citations97
US6223028B1Apr 24, 2001

Enhanced method and system for programming a mobile telephone over the air within a mobile telephone communication network

NORTEL NETWORKS LTD99 citations97
US6549771B2Apr 15, 2003

Enhanced method and system for programming a mobile telephone over the air within a mobile telephone communication network

NORTEL NETWORKS LTD45 citations96
US6498790B1Dec 24, 2002

Time division multiple access cellular system supporting packet data transmissions on reconfigurable packet data channels and method of operation

NORTEL NETWORKS LTD42 citations92
US6363251B1Mar 26, 2002

Network directed system selection for cellular and PCS enhanced roaming

NORTEL NETWORKS LTD20 citations91
US6169893B1Jan 2, 2001

Wireless communication system that supports multiple standards, multiple protocol revisions, multiple extended services and multiple extended services delivery options and method of operation therefor

NORTEL NETWORKS LTD24 citations91
US7580707B2Aug 25, 2009

Wireless communication system that supports multiple standards, multiple protocol revisions, multiple extended services and multiple extended services delivery options and method of operation therefor

NORTEL NETWORKS LTD2 citations61

NORTHERN TELECOM LTD

3 patents

NORTEL NETWORKS CORP

2 patents

ERICSSON AB

1 patent