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] => 8488491 [patent_doc_number] => 20120287898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-15 [patent_title] => 'Method and System for Synchronization in Communication System' [patent_app_type] => utility [patent_app_number] => 13/560877 [patent_app_country] => US [patent_app_date] => 2012-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5560 [patent_no_of_claims] => 31 [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] => 13560877 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/560877
Method and system for synchronization in communication system Jul 26, 2012 Issued
Array ( [id] => 8482256 [patent_doc_number] => 20120281662 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-08 [patent_title] => 'Scheduling Information of Overlapping Co-Scheduled Users in an OFDMA-MU-MIMO System' [patent_app_type] => utility [patent_app_number] => 13/550099 [patent_app_country] => US [patent_app_date] => 2012-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 14845 [patent_no_of_claims] => 23 [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] => 13550099 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/550099
Scheduling information of overlapping co-scheduled users in an OFDMA-MU-MIMO system Jul 15, 2012 Issued
Array ( [id] => 10224998 [patent_doc_number] => 20150109991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-23 [patent_title] => 'Radio Base Station, Radio Communication Network System, and Communication Control Method' [patent_app_type] => utility [patent_app_number] => 14/399064 [patent_app_country] => US [patent_app_date] => 2012-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 13772 [patent_no_of_claims] => 13 [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] => 14399064 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/399064
Radio base station, radio communication network system, and communication control method May 13, 2012 Issued
Array ( [id] => 8358094 [patent_doc_number] => 20120213257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-23 [patent_title] => 'Baseband Recovery in Wireless Networks, Base Transceiver Stations, and Wireless Networking Devices' [patent_app_type] => utility [patent_app_number] => 13/461886 [patent_app_country] => US [patent_app_date] => 2012-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8059 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [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] => 13461886 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/461886
Baseband recovery in wireless networks, base transceiver stations, and wireless networking devices May 1, 2012 Issued
Array ( [id] => 8322864 [patent_doc_number] => 20120195276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-02 [patent_title] => 'METHOD FOR QOS GUARANTEES IN A MULTILAYER STRUCTURE' [patent_app_type] => utility [patent_app_number] => 13/441698 [patent_app_country] => US [patent_app_date] => 2012-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8325 [patent_no_of_claims] => 15 [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] => 13441698 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/441698
Method for QoS guarantees in a multilayer structure Apr 5, 2012 Issued
Array ( [id] => 9908613 [patent_doc_number] => 20150063814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-05 [patent_title] => 'Network Management System' [patent_app_type] => utility [patent_app_number] => 14/390078 [patent_app_country] => US [patent_app_date] => 2012-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7222 [patent_no_of_claims] => 15 [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] => 14390078 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/390078
Network management system Apr 1, 2012 Issued
Array ( [id] => 8962261 [patent_doc_number] => 20130201863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-08 [patent_title] => 'Co-Channel Utilization Estimation' [patent_app_type] => utility [patent_app_number] => 13/367446 [patent_app_country] => US [patent_app_date] => 2012-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6404 [patent_no_of_claims] => 27 [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] => 13367446 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/367446
Co-channel utilization estimation Feb 6, 2012 Issued
Array ( [id] => 8219544 [patent_doc_number] => 20120134277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-31 [patent_title] => 'VOICE LOOPBACK METHOD, GATEWAY AND LOOPBACK NODE IN VOIP NETWORK' [patent_app_type] => utility [patent_app_number] => 13/367867 [patent_app_country] => US [patent_app_date] => 2012-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5049 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [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] => 13367867 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/367867
Voice loopback method, gateway and loopback node in VoIP network Feb 6, 2012 Issued
Array ( [id] => 8346102 [patent_doc_number] => 20120207023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-16 [patent_title] => 'INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, AND COMMUNICATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/367628 [patent_app_country] => US [patent_app_date] => 2012-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 32402 [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] => 13367628 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/367628
Information processing method, information processing device communication system Feb 6, 2012 Issued
Array ( [id] => 8658398 [patent_doc_number] => 20130039227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-14 [patent_title] => 'INSERTION LOSS IMPROVEMENT IN A MULTI-BAND DEVICE' [patent_app_type] => utility [patent_app_number] => 13/367321 [patent_app_country] => US [patent_app_date] => 2012-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9100 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [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] => 13367321 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/367321
Insertion loss improvement in a multi-band device Feb 5, 2012 Issued
Array ( [id] => 7806605 [patent_doc_number] => 20120057558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-08 [patent_title] => 'Method and Systems for Conveying Scheduling Information of Overlapping Co-Scheduled Users in an OFDMA-MU-MIMO System' [patent_app_type] => utility [patent_app_number] => 13/296394 [patent_app_country] => US [patent_app_date] => 2011-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 14867 [patent_no_of_claims] => 15 [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] => publications/A1/0057/20120057558.pdf [firstpage_image] =>[orig_patent_app_number] => 13296394 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/296394
Method and systems for conveying scheduling information of overlapping co-scheduled users in an OFDMA-MU-MIMO system Nov 14, 2011 Issued
Array ( [id] => 9022061 [patent_doc_number] => 08532051 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-10 [patent_title] => 'Method and systems for conveying scheduling information of overlapping co-scheduled users in an OFDMA-MU-MIMO system' [patent_app_type] => utility [patent_app_number] => 13/296387 [patent_app_country] => US [patent_app_date] => 2011-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 14856 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13296387 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/296387
Method and systems for conveying scheduling information of overlapping co-scheduled users in an OFDMA-MU-MIMO system Nov 14, 2011 Issued
Array ( [id] => 7753162 [patent_doc_number] => 20120026958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'SYSTEM AND METHOD FOR MULTICARRIER UPLINK CONTROL' [patent_app_type] => utility [patent_app_number] => 13/251675 [patent_app_country] => US [patent_app_date] => 2011-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5031 [patent_no_of_claims] => 7 [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] => publications/A1/0026/20120026958.pdf [firstpage_image] =>[orig_patent_app_number] => 13251675 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/251675
System and method for multicarrier uplink control Oct 2, 2011 Issued
Array ( [id] => 8239050 [patent_doc_number] => 20120147789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'COMMUNICATIONS DEVICE WITH MULTIPLE RECEIVE AND TRANSMIT PATHS AND RELATED METHODS' [patent_app_type] => utility [patent_app_number] => 13/227659 [patent_app_country] => US [patent_app_date] => 2011-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3410 [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] => 13227659 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/227659
Communications device with multiple receive and transmit paths and related methods Sep 7, 2011 Issued
Array ( [id] => 8696222 [patent_doc_number] => 20130058231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-07 [patent_title] => 'Method and apparatus for adjusting TCP RTO when transiting zones of high wireless connectivity' [patent_app_type] => utility [patent_app_number] => 13/226002 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6392 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 4 [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] => 13226002 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/226002
Method and apparatus for adjusting TCP RTO when transiting zones of high wireless connectivity Sep 5, 2011 Issued
Array ( [id] => 8508248 [patent_doc_number] => 20120307656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-06 [patent_title] => 'SYSTEM AND METHOD FOR DYNAMIC ROUTING FOR PUSH NOTIFICATIONS' [patent_app_type] => utility [patent_app_number] => 13/224581 [patent_app_country] => US [patent_app_date] => 2011-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6014 [patent_no_of_claims] => 24 [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] => 13224581 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/224581
System and method for dynamic routing for push notifications Sep 1, 2011 Issued
Array ( [id] => 10565058 [patent_doc_number] => 09288748 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-15 [patent_title] => 'Measurement in simultaneous TDD-LTE and TD-SCDMA/GSM systems' [patent_app_type] => utility [patent_app_number] => 13/224055 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6741 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13224055 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/224055
Measurement in simultaneous TDD-LTE and TD-SCDMA/GSM systems Aug 31, 2011 Issued
Array ( [id] => 10872069 [patent_doc_number] => 08897282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-25 [patent_title] => 'Wireless communication apparatus' [patent_app_type] => utility [patent_app_number] => 13/223587 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 20284 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13223587 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/223587
Wireless communication apparatus Aug 31, 2011 Issued
Array ( [id] => 10081352 [patent_doc_number] => 09119222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-25 [patent_title] => 'Reconfigurable multi-chip processing platform for concurrent aggregation of wireless technologies' [patent_app_type] => utility [patent_app_number] => 13/224057 [patent_app_country] => US [patent_app_date] => 2011-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10939 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13224057 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/224057
Reconfigurable multi-chip processing platform for concurrent aggregation of wireless technologies Aug 31, 2011 Issued
Array ( [id] => 10565083 [patent_doc_number] => 09288773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-15 [patent_title] => 'Methods and apparatus for controlling interference from peer discovery in WWAN' [patent_app_type] => utility [patent_app_number] => 13/092775 [patent_app_country] => US [patent_app_date] => 2011-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5189 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13092775 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/092775
Methods and apparatus for controlling interference from peer discovery in WWAN Apr 21, 2011 Issued
Menu