Search

Zhitong Chen

Examiner (ID: 2165, Phone: (571)270-1936 , Office: P/2649 )

Most Active Art Unit
2649
Art Unit(s)
2649, 2647, 2616
Total Applications
695
Issued Applications
469
Pending Applications
96
Abandoned Applications
145

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20791702 [patent_doc_number] => 12665625 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Protective case having gas storage function for electronic device [patent_app_type] => utility [patent_app_number] => 18/637920 [patent_app_country] => US [patent_app_date] => 2024-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18637920 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/637920
Protective case having gas storage function for electronic device Apr 16, 2024 Issued
Array ( [id] => 19516662 [patent_doc_number] => 20240348348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => DISTRIBUTED RADIO FREQUENCY SIGNAL PROCESSING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/637369 [patent_app_country] => US [patent_app_date] => 2024-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 44749 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18637369 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/637369
DISTRIBUTED RADIO FREQUENCY SIGNAL PROCESSING SYSTEMS AND METHODS Apr 15, 2024 Pending
Array ( [id] => 20299011 [patent_doc_number] => 20250324254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => Managing a Virtual Access Point in a Wireless Network [patent_app_type] => utility [patent_app_number] => 18/631486 [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] => 3342 [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] => 18631486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/631486
Managing a Virtual Access Point in a Wireless Network Apr 9, 2024 Pending
Array ( [id] => 19336886 [patent_doc_number] => 20240251316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => METHOD AND DEVICE FOR DISTRIBUTING IDLE USER EQUIPMENT IN MULTI-CARRIER BASED MOBILE COMMUNICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/623556 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18623556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/623556
METHOD AND DEVICE FOR DISTRIBUTING IDLE USER EQUIPMENT IN MULTI-CARRIER BASED MOBILE COMMUNICATION SYSTEM Mar 31, 2024 Pending
Array ( [id] => 20285526 [patent_doc_number] => 20250310768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => USER APPROVAL OPTIONS TO ALLOW OR REJECT NEAR-FIELD ACCESS FOR TECHNICIAN TO CONNECT TO THE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/621844 [patent_app_country] => US [patent_app_date] => 2024-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18621844 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/621844
User approval options to allow or reject near-field access for technician to connect to the system Mar 28, 2024 Issued
Array ( [id] => 19552554 [patent_doc_number] => 12136263 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Method and system for image batch processing recognition [patent_app_type] => utility [patent_app_number] => 18/617046 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2980 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18617046 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/617046
Method and system for image batch processing recognition Mar 25, 2024 Issued
Array ( [id] => 19893811 [patent_doc_number] => 20250119123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => RADIO FREQUENCY SWITCH AND METHOD FOR OPERATING THEREOF [patent_app_type] => utility [patent_app_number] => 18/603949 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18603949 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603949
RADIO FREQUENCY SWITCH AND METHOD FOR OPERATING THEREOF Mar 12, 2024 Pending
Array ( [id] => 20236327 [patent_doc_number] => 20250293646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => AMPLIFIER WITH HARMONIC CANCELLATION FEEDBACK CIRCUIT TO IMPROVE LINEARITY [patent_app_type] => utility [patent_app_number] => 18/602621 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18602621 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602621
AMPLIFIER WITH HARMONIC CANCELLATION FEEDBACK CIRCUIT TO IMPROVE LINEARITY Mar 11, 2024 Pending
Array ( [id] => 19453584 [patent_doc_number] => 20240313714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => TRACKER MODULE, RADIO FREQUENCY SYSTEM, AND COMMUNICATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/598394 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21474 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598394 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598394
TRACKER MODULE, RADIO FREQUENCY SYSTEM, AND COMMUNICATION DEVICE Mar 6, 2024 Pending
Array ( [id] => 20119120 [patent_doc_number] => 12368848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Image coding/decoding method and apparatus therefor [patent_app_type] => utility [patent_app_number] => 18/596061 [patent_app_country] => US [patent_app_date] => 2024-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 44 [patent_no_of_words] => 10939 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18596061 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/596061
Image coding/decoding method and apparatus therefor Mar 4, 2024 Issued
Array ( [id] => 19971969 [patent_doc_number] => 12340585 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Real-time video dimensional transformations of video for presentation in mixed reality-based virtual spaces [patent_app_type] => utility [patent_app_number] => 18/585547 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 44 [patent_no_of_words] => 22437 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 500 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585547 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/585547
Real-time video dimensional transformations of video for presentation in mixed reality-based virtual spaces Feb 22, 2024 Issued
Array ( [id] => 19803921 [patent_doc_number] => 20250069846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => SENSOR DEVICE AND SYSTEM USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/584633 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18584633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/584633
SENSOR DEVICE AND SYSTEM USING THE SAME Feb 21, 2024 Pending
Array ( [id] => 20388869 [patent_doc_number] => 12488602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Method and apparatus for subject identification [patent_app_type] => utility [patent_app_number] => 18/443666 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 28 [patent_no_of_words] => 16365 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443666 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443666
Method and apparatus for subject identification Feb 15, 2024 Issued
Array ( [id] => 19222806 [patent_doc_number] => 20240187510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => Wearable Personal Wireless Media Station [patent_app_type] => utility [patent_app_number] => 18/442446 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33657 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18442446 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442446
Wearable Personal Wireless Media Station Feb 14, 2024 Abandoned
Array ( [id] => 19436940 [patent_doc_number] => 20240305438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => ANTENNA TRACKER ARCHITECTURE FOR AN ELECTRICAL BALANCED DUPLEXER [patent_app_type] => utility [patent_app_number] => 18/435812 [patent_app_country] => US [patent_app_date] => 2024-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18435812 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/435812
ANTENNA TRACKER ARCHITECTURE FOR AN ELECTRICAL BALANCED DUPLEXER Feb 6, 2024 Pending
Array ( [id] => 20746342 [patent_doc_number] => 12646258 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Floorplan generation based on room scanning [patent_app_type] => utility [patent_app_number] => 18/422429 [patent_app_country] => US [patent_app_date] => 2024-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 15021 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18422429 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/422429
Floorplan generation based on room scanning Jan 24, 2024 Issued
Array ( [id] => 19943165 [patent_doc_number] => 12315301 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Engagement detection and attention estimation for human-robot interaction [patent_app_type] => utility [patent_app_number] => 18/417414 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8259 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417414 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417414
Engagement detection and attention estimation for human-robot interaction Jan 18, 2024 Issued
Array ( [id] => 19167879 [patent_doc_number] => 11983789 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-14 [patent_title] => Generation method, detection method, generation device, and detection device of zero watermarking for trajectory data, and storage medium [patent_app_type] => utility [patent_app_number] => 18/412497 [patent_app_country] => US [patent_app_date] => 2024-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4857 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 543 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18412497 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/412497
Generation method, detection method, generation device, and detection device of zero watermarking for trajectory data, and storage medium Jan 12, 2024 Issued
Array ( [id] => 20065138 [patent_doc_number] => 20250203360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => TAMPER-PROOF EVENT LOGGING FOR OPEN-RADIO ACCESS NETWORKS (O-RANs) [patent_app_type] => utility [patent_app_number] => 18/541655 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7351 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18541655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/541655
TAMPER-PROOF EVENT LOGGING FOR OPEN-RADIO ACCESS NETWORKS (O-RANs) Dec 14, 2023 Pending
Array ( [id] => 19239013 [patent_doc_number] => 20240196209 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => METHOD AND APPARATUS FOR SELECTING A NETWORK ENTITY FOR USER EQUIPMENT CAMPING IN A WIRELESS COMMUNICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/532436 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18532436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532436
METHOD AND APPARATUS FOR SELECTING A NETWORK ENTITY FOR USER EQUIPMENT CAMPING IN A WIRELESS COMMUNICATION SYSTEM Dec 6, 2023 Pending
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