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Richard H. Xu
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
eSIM-based card pool system and control method thereof
Patent number
11,843,578
Issue date
Dec 12, 2023
Skyroam Technology Co., Ltd.
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for mobile telephone roaming
Patent number
11,743,720
Issue date
Aug 29, 2023
Simo Holdings, Inc.
Jing Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
VSIM module for portable apparatus
Patent number
11,611,867
Issue date
Mar 21, 2023
Simo Holdings Inc.
Jing Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
eSIM-based card pool system and control method thereof
Patent number
11,411,914
Issue date
Aug 9, 2022
Skyroam Technology Co., Ltd.
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for dynamically providing communication profiles...
Patent number
10,965,681
Issue date
Mar 30, 2021
7-TEL, Inc.
Richard H. Xu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
ESIM-based card pool system and control method thereof
Patent number
10,958,618
Issue date
Mar 23, 2021
Simo Holdings Inc.
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for mobile telephone roaming
Patent number
9,736,689
Issue date
Aug 15, 2017
Simo Holdings Inc.
Jing Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fixed mobile roaming service solution
Patent number
8,676,195
Issue date
Mar 18, 2014
Aicent, Inc.
David Xining Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Session initiation and maintenance while roaming
Patent number
8,130,760
Issue date
Mar 6, 2012
Nuvoiz, Inc.
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for mobile telephone roaming
Patent number
8,116,735
Issue date
Feb 14, 2012
Simo Holdings Inc.
Jing Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Session initiation and maintenance while roaming
Patent number
7,706,373
Issue date
Apr 27, 2010
Nuvoiz, Inc.
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
ESIM-BASED CARD POOL SYSTEM AND CONTROL METHOD THEREOF
Publication number
20240137336
Publication date
Apr 25, 2024
Skyroam Technology Co., Ltd.
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR MOBILE TELEPHONE ROAMING
Publication number
20230397004
Publication date
Dec 7, 2023
Simo Holdings, Inc.
Jing LIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VIRTUAL SUBSCRIBER IDENTITY MODULE FOR NETWORK CONNECTION
Publication number
20230247415
Publication date
Aug 3, 2023
SIMO Holdings Inc.
JING LIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
eSIM-BASED CARD POOL SYSTEM AND CONTROL METHOD THEREOF
Publication number
20220377047
Publication date
Nov 24, 2022
Skyroam Technology Co., Ltd.
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
vSIM MODULE FOR PORTABLE APPARATUS
Publication number
20220322070
Publication date
Oct 6, 2022
SIMO Holdings Inc.
JING LIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Dynamically Providing Communication Profiles...
Publication number
20200336491
Publication date
Oct 22, 2020
7-TEL, Inc.
Richard H. Xu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR MOBILE TELEPHONE ROAMING
Publication number
20200236549
Publication date
Jul 23, 2020
Simo Holdings, Inc.
Jing Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
eSIM-BASED CARD POOL SYSTEM AND CONTROL METHOD THEREOF
Publication number
20200228487
Publication date
Jul 16, 2020
Skyroam Technology Co., Ltd.
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
eSIM-BASED CARD POOL SYSTEM AND CONTROL METHOD THEREOF
Publication number
20200228488
Publication date
Jul 16, 2020
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR MOBILE TELEPHONE ROAMING
Publication number
20180035295
Publication date
Feb 1, 2018
Simo Holdings, Inc.
Jing Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Adding Funds to a Prepaid Account for a Mobil...
Publication number
20140128034
Publication date
May 8, 2014
7-TEL, Inc.
Richard H. Xu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method for Adding Funds to a Prepaid Account for a Mobil...
Publication number
20130226790
Publication date
Aug 29, 2013
7-TEL, Inc.
Richard H. Xu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SESSION INITIATION AND MAINTENANCE WHILE ROAMING
Publication number
20130067101
Publication date
Mar 14, 2013
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR MOBILE TELEPHONE ROAMING
Publication number
20120208532
Publication date
Aug 16, 2012
Jing LIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Routing a Message to a Mobile Device Associat...
Publication number
20110269422
Publication date
Nov 3, 2011
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Routing a Call to a Mobile Device Associated...
Publication number
20110269472
Publication date
Nov 3, 2011
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Adding Funds to a Prepaid Account for a Mobil...
Publication number
20110270747
Publication date
Nov 3, 2011
Richard H. Xu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and Method for Routing Signals Using Network-Specific Identi...
Publication number
20110268022
Publication date
Nov 3, 2011
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Dynamically Providing Communication Profiles...
Publication number
20110269461
Publication date
Nov 3, 2011
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SESSION INITIATION AND MAINTENANCE WHILE ROAMING
Publication number
20100299743
Publication date
Nov 25, 2010
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System and Method for Mobile Telephone Roaming
Publication number
20090221265
Publication date
Sep 3, 2009
Jing LIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SESSION INITIATION AND MAINTENANCE WHILE ROAMING
Publication number
20080148379
Publication date
Jun 19, 2008
Richard H. Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Fixed mobile roaming service solution
Publication number
20070254648
Publication date
Nov 1, 2007
David Xining Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE