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] => 11726927 [patent_doc_number] => 09699811 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-04 [patent_title] => 'Apparatus and method for random access with multiple antennas in a wireless network' [patent_app_type] => utility [patent_app_number] => 13/833065 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 12813 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 13833065 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/833065
Apparatus and method for random access with multiple antennas in a wireless 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
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] => 9160284 [patent_doc_number] => 20130308561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-21 [patent_title] => 'SYSTEMS, APPARATUS, AND METHODS FOR ANTENNA SWITCHING APPROACH FOR INITIAL ACQUISITION PROCEDURE' [patent_app_type] => utility [patent_app_number] => 13/834777 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 12266 [patent_no_of_claims] => 38 [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] => 13834777 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/834777
Systems, apparatus, and methods for antenna switching approach for initial acquisition procedure 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] => 9040229 [patent_doc_number] => 20130242867 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'CONTROL OF MACHINE-TO-MACHINE DEVICES' [patent_app_type] => utility [patent_app_number] => 13/833601 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9280 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [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] => 13833601 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/833601
Control of machine-to-machine devices Mar 14, 2013 Issued
Array ( [id] => 9395416 [patent_doc_number] => 20140092822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-03 [patent_title] => 'METHODS OF PROCESSING ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL INFORMATION INCLUDING DIFFERENTIATING BETWEEN SETS OF PHYSICAL RESOURCE BLOCK PAIRS, AND RELATED NETWORK NODES AND USER EQUIPMENTS' [patent_app_type] => utility [patent_app_number] => 13/832948 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 11407 [patent_no_of_claims] => 32 [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] => 13832948 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/832948
Methods of processing enhanced physical downlink control channel information including differentiating between sets of physical resource block pairs, and related network nodes and user equipments Mar 14, 2013 Issued
Array ( [id] => 9146917 [patent_doc_number] => 20130301440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-14 [patent_title] => 'APPARATUS FOR PERFORMING LOOP-FREE TRANSMISSION IN A COMMUNICATION NETWORK' [patent_app_type] => utility [patent_app_number] => 13/833215 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8082 [patent_no_of_claims] => 12 [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] => 13833215 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/833215
Apparatus for performing loop-free transmission in a communication network Mar 14, 2013 Issued
Array ( [id] => 11281252 [patent_doc_number] => 09497740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-15 [patent_title] => 'ANDSF parameters for WLAN network selection' [patent_app_type] => utility [patent_app_number] => 13/830465 [patent_app_country] => US [patent_app_date] => 2013-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 10192 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13830465 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/830465
ANDSF parameters for WLAN network selection Mar 13, 2013 Issued
Array ( [id] => 9337471 [patent_doc_number] => 20140064253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-06 [patent_title] => 'REDUCING CALL DROPS IN UPLINK POWER LIMITED SCENARIOS' [patent_app_type] => utility [patent_app_number] => 13/830935 [patent_app_country] => US [patent_app_date] => 2013-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11756 [patent_no_of_claims] => 26 [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] => 13830935 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/830935
Reducing call drops in uplink power limited scenarios Mar 13, 2013 Issued
Array ( [id] => 10538714 [patent_doc_number] => 09264356 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-16 [patent_title] => 'Network gateway apparatus' [patent_app_type] => utility [patent_app_number] => 13/826230 [patent_app_country] => US [patent_app_date] => 2013-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 29 [patent_no_of_words] => 19210 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13826230 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/826230
Network gateway apparatus Mar 13, 2013 Issued
Array ( [id] => 11771834 [patent_doc_number] => 09380566 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-28 [patent_title] => 'Method and device for transmitting information on physical uplink control channel' [patent_app_type] => utility [patent_app_number] => 13/714293 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 17547 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13714293 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/714293
Method and device for transmitting information on physical uplink control channel Dec 12, 2012 Issued
Array ( [id] => 8820110 [patent_doc_number] => 20130121155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-16 [patent_title] => 'METHOD AND APPARATUS FOR CHANGING BETWEEN TRANSMISSION STATES IN A COMMUNICATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/713143 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 11519 [patent_no_of_claims] => 16 [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] => 13713143 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/713143
METHOD AND APPARATUS FOR CHANGING BETWEEN TRANSMISSION STATES IN A COMMUNICATION SYSTEM Dec 12, 2012 Abandoned
Array ( [id] => 8778901 [patent_doc_number] => 20130100876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-25 [patent_title] => 'Method, Base Station, Mobility Management Entity, and System for Implementing Service Processing' [patent_app_type] => utility [patent_app_number] => 13/712483 [patent_app_country] => US [patent_app_date] => 2012-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7336 [patent_no_of_claims] => 17 [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] => 13712483 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/712483
Method, Base Station, Mobility Management Entity, and System for Implementing Service Processing Dec 11, 2012 Abandoned
Array ( [id] => 8778933 [patent_doc_number] => 20130100908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-25 [patent_title] => 'REPORTING METHOD OF TERMINAL BUFFER STATE REPORT (BSR), OBTAINING METHOD FOR OBTAINING BSR FROM BASE STATION, AND CORRESPONDING TERMINAL, BASE STATION, COMMUNICATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/712265 [patent_app_country] => US [patent_app_date] => 2012-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11800 [patent_no_of_claims] => 19 [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] => 13712265 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/712265
Reporting method of terminal buffer state report (BSR), obtaining method for obtaining BSR from base station, and corresponding terminal, base station, communication system Dec 11, 2012 Issued
Array ( [id] => 8719497 [patent_doc_number] => 20130070714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'METHOD FOR QOS GUARANTEES IN A MULTILAYER STRUCTURE' [patent_app_type] => utility [patent_app_number] => 13/677111 [patent_app_country] => US [patent_app_date] => 2012-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8323 [patent_no_of_claims] => 21 [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] => 13677111 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/677111
Method for QoS guarantees in a multilayer structure Nov 13, 2012 Issued
Array ( [id] => 10852681 [patent_doc_number] => 08879379 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-11-04 [patent_title] => 'Transmitter and method for applying multi-tone OFDM based communications within a lower frequency range' [patent_app_type] => utility [patent_app_number] => 13/670838 [patent_app_country] => US [patent_app_date] => 2012-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 23 [patent_no_of_words] => 12638 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13670838 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/670838
Transmitter and method for applying multi-tone OFDM based communications within a lower frequency range Nov 6, 2012 Issued
Array ( [id] => 9022094 [patent_doc_number] => 08532084 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-10 [patent_title] => 'Method and system for synchronization in communication system' [patent_app_type] => utility [patent_app_number] => 13/560887 [patent_app_country] => US [patent_app_date] => 2012-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5560 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13560887 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/560887
Method and system for synchronization in communication system Jul 26, 2012 Issued
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