Search

Kai J. Chang

Examiner (ID: 19397, Phone: (571)270-5448 , Office: P/2468 )

Most Active Art Unit
2468
Art Unit(s)
2468
Total Applications
474
Issued Applications
340
Pending Applications
28
Abandoned Applications
110

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19689919 [patent_doc_number] => 20250008464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => TIMING ADVANCE DETERMINATION METHOD AND APPARATUS [patent_app_type] => utility [patent_app_number] => 18/828666 [patent_app_country] => US [patent_app_date] => 2024-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18828666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/828666
TIMING ADVANCE DETERMINATION METHOD AND APPARATUS Sep 8, 2024 Pending
Array ( [id] => 20162803 [patent_doc_number] => 12389456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Communication apparatus and communication method [patent_app_type] => utility [patent_app_number] => 18/743129 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 9349 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18743129 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/743129
Communication apparatus and communication method Jun 13, 2024 Issued
Array ( [id] => 20398603 [patent_doc_number] => 20250374078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => SYSTEMS AND METHODS FOR FORECASTING TIME SERIES NETWORK CAPACITY [patent_app_type] => utility [patent_app_number] => 18/676823 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18676823 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/676823
SYSTEMS AND METHODS FOR FORECASTING TIME SERIES NETWORK CAPACITY May 28, 2024 Pending
Array ( [id] => 19576859 [patent_doc_number] => 20240381151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => PRIORITY SETTING FOR MEASUREMENT GAP FOR COLLISION HANDLING [patent_app_type] => utility [patent_app_number] => 18/660666 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7425 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18660666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660666
PRIORITY SETTING FOR MEASUREMENT GAP FOR COLLISION HANDLING May 9, 2024 Pending
Array ( [id] => 20354228 [patent_doc_number] => 20250351080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => METHODS, ARCHITECTURES, APPARATUSES AND SYSTEMS FOR AGGREGATED PHYSICAL LAYER PROTOCOL DATA UNIT (A-PPDU) WITH WAKE-UP RADIO (WUR) SIGNALS IN WI-FI [patent_app_type] => utility [patent_app_number] => 18/660755 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16629 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18660755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660755
METHODS, ARCHITECTURES, APPARATUSES AND SYSTEMS FOR AGGREGATED PHYSICAL LAYER PROTOCOL DATA UNIT (A-PPDU) WITH WAKE-UP RADIO (WUR) SIGNALS IN WI-FI May 9, 2024 Pending
Array ( [id] => 19365780 [patent_doc_number] => 20240267814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => Transmission During Gap Time [patent_app_type] => utility [patent_app_number] => 18/637797 [patent_app_country] => US [patent_app_date] => 2024-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 69661 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18637797 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/637797
Transmission During Gap Time Apr 16, 2024 Pending
Array ( [id] => 19350168 [patent_doc_number] => 20240259132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => CODE BLOCK SEGMENTATION FOR NEW RADIO [patent_app_type] => utility [patent_app_number] => 18/632019 [patent_app_country] => US [patent_app_date] => 2024-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18632019 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/632019
CODE BLOCK SEGMENTATION FOR NEW RADIO Apr 9, 2024 Abandoned
Array ( [id] => 19385549 [patent_doc_number] => 20240275419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => RADIO FREQUENCY MODULE, COMMUNICATION DEVICE AND COMMUNICATION METHOD [patent_app_type] => utility [patent_app_number] => 18/589444 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18589444 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/589444
RADIO FREQUENCY MODULE, COMMUNICATION DEVICE AND COMMUNICATION METHOD Feb 27, 2024 Pending
Array ( [id] => 19365142 [patent_doc_number] => 20240267176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => APPARATUS AND METHOD FOR SOUNDING IN MULTIPLE ACCESS POINT NETWORK [patent_app_type] => utility [patent_app_number] => 18/430361 [patent_app_country] => US [patent_app_date] => 2024-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18430361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/430361
APPARATUS AND METHOD FOR SOUNDING IN MULTIPLE ACCESS POINT NETWORK Jan 31, 2024 Pending
Array ( [id] => 20775324 [patent_doc_number] => 12659010 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Communication apparatus, base station, and communication method [patent_app_type] => utility [patent_app_number] => 18/396448 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 10314 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18396448 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396448
Communication apparatus, base station, and communication method Dec 25, 2023 Issued
Array ( [id] => 19118003 [patent_doc_number] => 20240129753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => COMMUNICATION APPARATUS, MASTER NODE, AND COMMUNICATION CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/396545 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18396545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396545
COMMUNICATION APPARATUS, MASTER NODE, AND COMMUNICATION CONTROL METHOD Dec 25, 2023 Pending
Array ( [id] => 19102116 [patent_doc_number] => 20240121344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => Split-Mode Conference Access [patent_app_type] => utility [patent_app_number] => 18/545913 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18545913 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/545913
Split-mode conference access Dec 18, 2023 Issued
Array ( [id] => 19245088 [patent_doc_number] => 12015548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Method and device for identification management and optimized forwarding in large-scale polymorphic network [patent_app_type] => utility [patent_app_number] => 18/542823 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5341 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 750 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18542823 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542823
Method and device for identification management and optimized forwarding in large-scale polymorphic network Dec 17, 2023 Issued
Array ( [id] => 19919585 [patent_doc_number] => 12294979 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Sidelink feedback for multiple transmit receive points [patent_app_type] => utility [patent_app_number] => 18/542361 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 25336 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18542361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542361
Sidelink feedback for multiple transmit receive points Dec 14, 2023 Issued
Array ( [id] => 20132910 [patent_doc_number] => 12375228 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Sounding feedback utilizing shortened frame structures [patent_app_type] => utility [patent_app_number] => 18/511755 [patent_app_country] => US [patent_app_date] => 2023-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 4388 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18511755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/511755
Sounding feedback utilizing shortened frame structures Nov 15, 2023 Issued
Array ( [id] => 19797259 [patent_doc_number] => 12238245 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-25 [patent_title] => Methods for emergency response location (ERL) provision in a voice over internet protocol (VoIP) 911 server for non-direct inward dialing (DID) callers and related systems and computer program products [patent_app_type] => utility [patent_app_number] => 18/385483 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7655 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385483 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385483
Methods for emergency response location (ERL) provision in a voice over internet protocol (VoIP) 911 server for non-direct inward dialing (DID) callers and related systems and computer program products Oct 30, 2023 Issued
Array ( [id] => 19000146 [patent_doc_number] => 11917013 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Gateway device for integrally processing APIs and method of operating same [patent_app_type] => utility [patent_app_number] => 18/377257 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7900 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18377257 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377257
Gateway device for integrally processing APIs and method of operating same Oct 4, 2023 Issued
Array ( [id] => 18928773 [patent_doc_number] => 20240031777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => GROUP ADDRESSED DATA DELIVERY [patent_app_type] => utility [patent_app_number] => 18/478678 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20627 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18478678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478678
Group addressed data delivery Sep 28, 2023 Issued
Array ( [id] => 19628430 [patent_doc_number] => 12167300 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Systems and methods for providing reliable multicast transmissions to multiple stream recipients over a wireless network [patent_app_type] => utility [patent_app_number] => 18/468057 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3933 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468057
Systems and methods for providing reliable multicast transmissions to multiple stream recipients over a wireless network Sep 14, 2023 Issued
Array ( [id] => 19621022 [patent_doc_number] => 20240406702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => SENSING OPERATION USING A MOBILE BASE STATION [patent_app_type] => utility [patent_app_number] => 18/326646 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25482 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18326646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326646
SENSING OPERATION USING A MOBILE BASE STATION May 30, 2023 Pending
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