Search

Li Liu

Examiner (ID: 19142, Phone: (571)270-5363 , Office: P/2666 )

Most Active Art Unit
2666
Art Unit(s)
2636, 2624, 2634, 2613, 2665, 2666
Total Applications
2203
Issued Applications
1778
Pending Applications
82
Abandoned Applications
390

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17810120 [patent_doc_number] => 20220261955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => IMAGE PROCESSING APPARATUS, IMAGE CAPTURING APPARATUS, IMAGE PROCESSING METHOD, AND MEDIUM [patent_app_type] => utility [patent_app_number] => 17/732979 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17732979 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/732979
IMAGE PROCESSING APPARATUS, IMAGE CAPTURING APPARATUS, IMAGE PROCESSING METHOD, AND MEDIUM Apr 28, 2022 Abandoned
Array ( [id] => 17811736 [patent_doc_number] => 20220263571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => PATH PROTECTION METHOD AND NETWORK NODE [patent_app_type] => utility [patent_app_number] => 17/733199 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16330 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17733199 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/733199
Path protection method and network node Apr 28, 2022 Issued
Array ( [id] => 18608804 [patent_doc_number] => 11750292 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Method for determining optical signal power change and power calculation apparatus [patent_app_type] => utility [patent_app_number] => 17/731909 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5499 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731909 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731909
Method for determining optical signal power change and power calculation apparatus Apr 27, 2022 Issued
Array ( [id] => 18292906 [patent_doc_number] => 11621782 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-04 [patent_title] => Chromatic dispersion equalizer adaption systems and methods [patent_app_type] => utility [patent_app_number] => 17/729266 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6586 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729266 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729266
Chromatic dispersion equalizer adaption systems and methods Apr 25, 2022 Issued
Array ( [id] => 18263683 [patent_doc_number] => 11611394 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-21 [patent_title] => Systems and methods for mapping optical connections in a fiber distribution hub of a passive optical network [patent_app_type] => utility [patent_app_number] => 17/726879 [patent_app_country] => US [patent_app_date] => 2022-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 11854 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17726879 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/726879
Systems and methods for mapping optical connections in a fiber distribution hub of a passive optical network Apr 21, 2022 Issued
Array ( [id] => 17781143 [patent_doc_number] => 20220247493 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => COMMUNICATION SYSTEM AND METHOD FOR AN OPTICAL LOCAL AREA NETWORK [patent_app_type] => utility [patent_app_number] => 17/726504 [patent_app_country] => US [patent_app_date] => 2022-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17726504 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/726504
COMMUNICATION SYSTEM AND METHOD FOR AN OPTICAL LOCAL AREA NETWORK Apr 20, 2022 Pending
Array ( [id] => 18175717 [patent_doc_number] => 11575444 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Communication system and method for an optical local area network [patent_app_type] => utility [patent_app_number] => 17/726507 [patent_app_country] => US [patent_app_date] => 2022-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 8037 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17726507 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/726507
Communication system and method for an optical local area network Apr 20, 2022 Issued
Array ( [id] => 19918179 [patent_doc_number] => 12293551 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Method, device, and storage medium for data encoding/decoding [patent_app_type] => utility [patent_app_number] => 17/707935 [patent_app_country] => US [patent_app_date] => 2022-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 24748 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17707935 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/707935
Method, device, and storage medium for data encoding/decoding Mar 28, 2022 Issued
Array ( [id] => 20089797 [patent_doc_number] => 20250219733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION METHOD, AND RELAY AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/850187 [patent_app_country] => US [patent_app_date] => 2022-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18850187 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/850187
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION METHOD, AND RELAY AMPLIFIER Mar 28, 2022 Pending
Array ( [id] => 19499912 [patent_doc_number] => 20240338930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => COMPUTER VISION SYSTEM, COMPUTER VISION METHOD, COMPUTER VISION PROGRAM, AND LEARNING METHOD [patent_app_type] => utility [patent_app_number] => 18/580609 [patent_app_country] => US [patent_app_date] => 2022-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18580609 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/580609
Computer vision system, computer vision method, computer vision program, and learning method Mar 27, 2022 Issued
Array ( [id] => 18899935 [patent_doc_number] => 20240015420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => OPTICAL SWITCH WITH ALL-OPTICAL MEMORY BUFFER [patent_app_type] => utility [patent_app_number] => 17/922005 [patent_app_country] => US [patent_app_date] => 2022-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17922005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/922005
Optical switch with all-optical memory buffer Mar 26, 2022 Issued
Array ( [id] => 19177010 [patent_doc_number] => 20240162984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => OPTICAL SPACE COMMUNICATION MANAGEMENT DEVICE, OPTICAL SPACE COMMUNICATION SYSTEM, AND OPTICAL SPACE COMMUNICATION MANAGEMENT METHOD [patent_app_type] => utility [patent_app_number] => 18/283436 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18283436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/283436
OPTICAL SPACE COMMUNICATION MANAGEMENT DEVICE, OPTICAL SPACE COMMUNICATION SYSTEM, AND OPTICAL SPACE COMMUNICATION MANAGEMENT METHOD Mar 22, 2022 Pending
Array ( [id] => 20304768 [patent_doc_number] => 12450764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Enhancing artificial intelligence routines using 3D data [patent_app_type] => utility [patent_app_number] => 17/701258 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 44 [patent_no_of_words] => 21754 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [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] => 17701258 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/701258
Enhancing artificial intelligence routines using 3D data Mar 21, 2022 Issued
Array ( [id] => 17707771 [patent_doc_number] => 20220207779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => METHOD AND SYSTEM FOR IMPROVING COMPRESSION RATIO BY DIFFERENCE BETWEEN BLOCKS OF IMAGE FILE [patent_app_type] => utility [patent_app_number] => 17/697194 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17697194 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/697194
Method and system for improving compression ratio by difference between blocks of image file Mar 16, 2022 Issued
Array ( [id] => 17707770 [patent_doc_number] => 20220207778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => DATA COMPRESSION FOR MULTIDIMENSIONAL TIME SERIES DATA [patent_app_type] => utility [patent_app_number] => 17/694474 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17694474 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/694474
Data compression for multidimensional time series data Mar 13, 2022 Issued
Array ( [id] => 19138556 [patent_doc_number] => 11973537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Flexible rate passive optical network incorporating use of delay modulation [patent_app_type] => utility [patent_app_number] => 17/686927 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3851 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17686927 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/686927
Flexible rate passive optical network incorporating use of delay modulation Mar 3, 2022 Issued
Array ( [id] => 18968913 [patent_doc_number] => 11902721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Networking switching devices and methods thereof [patent_app_type] => utility [patent_app_number] => 17/684815 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5293 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17684815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/684815
Networking switching devices and methods thereof Mar 1, 2022 Issued
Array ( [id] => 19220677 [patent_doc_number] => 20240185381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => APPARATUS AND METHOD OF VARIABLE IMAGE PROCESSING [patent_app_type] => utility [patent_app_number] => 18/555441 [patent_app_country] => US [patent_app_date] => 2022-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555441 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555441
APPARATUS AND METHOD OF VARIABLE IMAGE PROCESSING Feb 28, 2022 Pending
Array ( [id] => 17661674 [patent_doc_number] => 20220182139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => METHOD AND APPARATUS FOR OBTAINING TRANSMITTER TEST PARAMETER, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 17/682836 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682836 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682836
Method and apparatus for obtaining transmitter test parameter, and storage medium Feb 27, 2022 Issued
Array ( [id] => 18858103 [patent_doc_number] => 11855702 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Circuit for multi-path interference mitigation in an optical communication system [patent_app_type] => utility [patent_app_number] => 17/674234 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 3171 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17674234 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674234
Circuit for multi-path interference mitigation in an optical communication system Feb 16, 2022 Issued
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