Search

Richard K. Chang

Examiner (ID: 10963, Phone: (571)270-3368 , Office: P/2464 )

Most Active Art Unit
2464
Art Unit(s)
2464, 2616, 2663
Total Applications
302
Issued Applications
252
Pending Applications
10
Abandoned Applications
46

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 10225003 [patent_doc_number] => 20150109995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-23 [patent_title] => 'NODE SELECTION IN VIRTUAL EVOLVED PACKET CORE' [patent_app_type] => utility [patent_app_number] => 14/061233 [patent_app_country] => US [patent_app_date] => 2013-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 16576 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14061233 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/061233
Node selection in virtual evolved packet core Oct 22, 2013 Issued
Array ( [id] => 11803847 [patent_doc_number] => 09544788 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-10 [patent_title] => 'Method and system for motion detection using digital enhanced cordless telecommunicaiton (DECT) signals' [patent_app_type] => utility [patent_app_number] => 14/060677 [patent_app_country] => US [patent_app_date] => 2013-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6880 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14060677 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/060677
Method and system for motion detection using digital enhanced cordless telecommunicaiton (DECT) signals Oct 22, 2013 Issued
Array ( [id] => 9279625 [patent_doc_number] => 20140029593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-30 [patent_title] => 'Method and System for Optimal Beamforming in Wireless Networks' [patent_app_type] => utility [patent_app_number] => 14/047385 [patent_app_country] => US [patent_app_date] => 2013-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 14858 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14047385 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/047385
Method and system for optimal beamforming in wireless networks Oct 6, 2013 Issued
Array ( [id] => 10146501 [patent_doc_number] => 09179324 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-11-03 [patent_title] => 'Method and system for operating densely-deployed low-cost internet base stations (LCIBs)' [patent_app_type] => utility [patent_app_number] => 14/045402 [patent_app_country] => US [patent_app_date] => 2013-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8143 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14045402 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/045402
Method and system for operating densely-deployed low-cost internet base stations (LCIBs) Oct 2, 2013 Issued
Array ( [id] => 9908157 [patent_doc_number] => 20150063358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-05 [patent_title] => 'RETRANSMISSION AND MEMORY CONSUMPTION TRACKING OF DATA PACKETS IN A NETWORK DEVICE' [patent_app_type] => utility [patent_app_number] => 14/042655 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9486 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14042655 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/042655
Retransmission and memory consumption tracking of data packets in a network device Sep 29, 2013 Issued
Array ( [id] => 11771261 [patent_doc_number] => 09379982 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-06-28 [patent_title] => 'Adaptive stateless load balancing' [patent_app_type] => utility [patent_app_number] => 14/042676 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 9790 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14042676 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/042676
Adaptive stateless load balancing Sep 29, 2013 Issued
Array ( [id] => 11511121 [patent_doc_number] => 09602294 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-03-21 [patent_title] => 'Rendezvous point link resiliency for bidirectional protocol independent multicast (PIM-BIDIR)' [patent_app_type] => utility [patent_app_number] => 14/042633 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10597 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14042633 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/042633
Rendezvous point link resiliency for bidirectional protocol independent multicast (PIM-BIDIR) Sep 29, 2013 Issued
Array ( [id] => 10207750 [patent_doc_number] => 20150092738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-02 [patent_title] => 'METHODS AND APPARATUSES FOR USER EQUIPMENT ASSISTED TIME AND FREQUENCY SYNCHRONIZATION OF SMALL CELLS' [patent_app_type] => utility [patent_app_number] => 14/042523 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 9720 [patent_no_of_claims] => 76 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14042523 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/042523
Methods and apparatuses for user equipment assisted time and frequency synchronization of small cells Sep 29, 2013 Issued
Array ( [id] => 10207563 [patent_doc_number] => 20150092551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-02 [patent_title] => 'SESSION-AWARE SERVICE CHAINING WITHIN COMPUTER NETWORKS' [patent_app_type] => utility [patent_app_number] => 14/042685 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 11371 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14042685 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/042685
Session-aware service chaining within computer networks Sep 29, 2013 Issued
Array ( [id] => 11260217 [patent_doc_number] => 09485135 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-11-01 [patent_title] => 'Node-protection and path attribute collection with remote loop free alternates' [patent_app_type] => utility [patent_app_number] => 14/042621 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8768 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14042621 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/042621
Node-protection and path attribute collection with remote loop free alternates Sep 29, 2013 Issued
Array ( [id] => 10546180 [patent_doc_number] => 09271327 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-23 [patent_title] => 'Wireless network throughput enhancement through channel aware scheduling' [patent_app_type] => utility [patent_app_number] => 14/028323 [patent_app_country] => US [patent_app_date] => 2013-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4065 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14028323 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/028323
Wireless network throughput enhancement through channel aware scheduling Sep 15, 2013 Issued
Array ( [id] => 11302140 [patent_doc_number] => 09510162 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-29 [patent_title] => 'Method for establishing group based on Wi-Fi and Wi-Fi direct-connection apparatus' [patent_app_type] => utility [patent_app_number] => 14/398991 [patent_app_country] => US [patent_app_date] => 2013-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3809 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14398991 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/398991
Method for establishing group based on Wi-Fi and Wi-Fi direct-connection apparatus Aug 18, 2013 Issued
Array ( [id] => 11885422 [patent_doc_number] => 09756622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-09-05 [patent_title] => 'Radio base station, user terminal, radio communication system and radio communication method' [patent_app_type] => utility [patent_app_number] => 14/398985 [patent_app_country] => US [patent_app_date] => 2013-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 12612 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14398985 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/398985
Radio base station, user terminal, radio communication system and radio communication method May 8, 2013 Issued
Array ( [id] => 11660980 [patent_doc_number] => 09674000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-06 [patent_title] => 'Method product the controlling a codec negotiation of a gateway, a computer program product for executing the method, and a communication system for controlling the codec negotiation' [patent_app_type] => utility [patent_app_number] => 14/399052 [patent_app_country] => US [patent_app_date] => 2013-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11273 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14399052 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/399052
Method product the controlling a codec negotiation of a gateway, a computer program product for executing the method, and a communication system for controlling the codec negotiation Apr 17, 2013 Issued
Array ( [id] => 9067254 [patent_doc_number] => 20130259010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'RADIO COMMUNICATION DEVICE AND METHOD FOR OPERATING A RADIO COMMUNICATION DEVICE' [patent_app_type] => utility [patent_app_number] => 13/832839 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 40 [patent_no_of_words] => 24506 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13832839 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/832839
Radio communication device and method for operating a radio communication device Mar 14, 2013 Issued
Array ( [id] => 9067254 [patent_doc_number] => 20130259010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'RADIO COMMUNICATION DEVICE AND METHOD FOR OPERATING A RADIO COMMUNICATION DEVICE' [patent_app_type] => utility [patent_app_number] => 13/832839 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 40 [patent_no_of_words] => 24506 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13832839 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/832839
Radio communication device and method for operating a radio communication device Mar 14, 2013 Issued
Array ( [id] => 10133603 [patent_doc_number] => 09167455 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-20 [patent_title] => 'Virtualized wireless communication system and establishing method thereof' [patent_app_type] => utility [patent_app_number] => 13/833040 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 8001 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13833040 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/833040
Virtualized wireless communication system and establishing method thereof Mar 14, 2013 Issued
Array ( [id] => 9733788 [patent_doc_number] => 20140269497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-18 [patent_title] => 'SYSTEM AND METHOD FOR ALLOWING MULTIPLE DEVICES TO COMMUNICATE IN A NETWORK' [patent_app_type] => utility [patent_app_number] => 13/833609 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6222 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13833609 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/833609
System and method for allowing multiple devices to communicate in a network Mar 14, 2013 Issued
Array ( [id] => 9067254 [patent_doc_number] => 20130259010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'RADIO COMMUNICATION DEVICE AND METHOD FOR OPERATING A RADIO COMMUNICATION DEVICE' [patent_app_type] => utility [patent_app_number] => 13/832839 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 40 [patent_no_of_words] => 24506 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13832839 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/832839
Radio communication device and method for operating a radio communication device Mar 14, 2013 Issued
Array ( [id] => 9067254 [patent_doc_number] => 20130259010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'RADIO COMMUNICATION DEVICE AND METHOD FOR OPERATING A RADIO COMMUNICATION DEVICE' [patent_app_type] => utility [patent_app_number] => 13/832839 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 40 [patent_no_of_words] => 24506 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13832839 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/832839
Radio communication device and method for operating a radio communication device Mar 14, 2013 Issued
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