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] => 19101794 [patent_doc_number] => 20240121022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => OPTICAL TRANSMISSION SYSTEM, WAVELENGTH CONVERTER, AND OPTICAL TRANSMISSION DEVICE [patent_app_type] => utility [patent_app_number] => 18/229478 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18229478 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/229478
OPTICAL TRANSMISSION SYSTEM, WAVELENGTH CONVERTER, AND OPTICAL TRANSMISSION DEVICE Aug 1, 2023 Abandoned
Array ( [id] => 20538117 [patent_doc_number] => 12555195 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Bit splitting to process high bit depth images [patent_app_type] => utility [patent_app_number] => 18/360577 [patent_app_country] => US [patent_app_date] => 2023-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 9362 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18360577 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/360577
Bit splitting to process high bit depth images Jul 26, 2023 Issued
Array ( [id] => 18942762 [patent_doc_number] => 20240037901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => IMAGE DEHAZING METHOD AND VIDEO DEHAZING METHOD [patent_app_type] => utility [patent_app_number] => 18/359861 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18359861 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/359861
Image dehazing method and video dehazing method Jul 25, 2023 Issued
Array ( [id] => 19467116 [patent_doc_number] => 20240320786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => METHODS AND APPARATUS FOR FRAME INTERPOLATION WITH OCCLUDED MOTION [patent_app_type] => utility [patent_app_number] => 18/358293 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22638 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18358293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/358293
METHODS AND APPARATUS FOR FRAME INTERPOLATION WITH OCCLUDED MOTION Jul 24, 2023 Pending
Array ( [id] => 18944490 [patent_doc_number] => 20240039629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => LEARNING APPARATUS, OPTICAL SIGNAL STATE ESTIMATION APPARATUS, AND LEARNING METHOD [patent_app_type] => utility [patent_app_number] => 18/225934 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6420 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18225934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/225934
LEARNING APPARATUS, OPTICAL SIGNAL STATE ESTIMATION APPARATUS, AND LEARNING METHOD Jul 24, 2023 Abandoned
Array ( [id] => 19611727 [patent_doc_number] => 12160619 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Method for partitioning block including image and device therefor [patent_app_type] => utility [patent_app_number] => 18/225379 [patent_app_country] => US [patent_app_date] => 2023-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 28 [patent_no_of_words] => 20599 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18225379 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/225379
Method for partitioning block including image and device therefor Jul 23, 2023 Issued
Array ( [id] => 18926263 [patent_doc_number] => 20240029267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => Image Analysis Method and Apparatus, Computer Device, and Readable Storage Medium [patent_app_type] => utility [patent_app_number] => 18/354026 [patent_app_country] => US [patent_app_date] => 2023-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18354026 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/354026
Image analysis to identify non-working regions in an image Jul 17, 2023 Issued
Array ( [id] => 20333434 [patent_doc_number] => 12463721 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Communication control system, communication control apparatus, and communication control method [patent_app_type] => utility [patent_app_number] => 18/222782 [patent_app_country] => US [patent_app_date] => 2023-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7590 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18222782 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/222782
Communication control system, communication control apparatus, and communication control method Jul 16, 2023 Issued
Array ( [id] => 19713498 [patent_doc_number] => 20250023640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => TRANSFORMING A MULTIPOINT-TO-POINT HFC CABLE NETWORK TO A POINT-TO-POINT HFC NETWORK [patent_app_type] => utility [patent_app_number] => 18/351252 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18351252 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351252
TRANSFORMING A MULTIPOINT-TO-POINT HFC CABLE NETWORK TO A POINT-TO-POINT HFC NETWORK Jul 11, 2023 Pending
Array ( [id] => 20704657 [patent_doc_number] => 12627378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Method and a system for tuning tunable optical transceivers [patent_app_type] => utility [patent_app_number] => 18/343357 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 489 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18343357 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343357
Method and a system for tuning tunable optical transceivers Jun 27, 2023 Issued
Array ( [id] => 20147275 [patent_doc_number] => 12381624 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Signal-to-noise ratio-based bit error ratio calculation for reporting beyond a forward error correction threshold [patent_app_type] => utility [patent_app_number] => 18/342610 [patent_app_country] => US [patent_app_date] => 2023-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 1230 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18342610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/342610
Signal-to-noise ratio-based bit error ratio calculation for reporting beyond a forward error correction threshold Jun 26, 2023 Issued
Array ( [id] => 18866831 [patent_doc_number] => 20230421268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => RECEIVER, RECEIVING DEVICE, COMMUNICATION DEVICE, AND COMMUNICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/214146 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18214146 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214146
RECEIVER, RECEIVING DEVICE, COMMUNICATION DEVICE, AND COMMUNICATION SYSTEM Jun 25, 2023 Abandoned
Array ( [id] => 19583203 [patent_doc_number] => 12149339 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => System and methods for coherent optical extension [patent_app_type] => utility [patent_app_number] => 18/214263 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4958 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18214263 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214263
System and methods for coherent optical extension Jun 25, 2023 Issued
Array ( [id] => 18883813 [patent_doc_number] => 20240007182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => METHOD AND SYSTEM OF PRODUCING A REDUNDANT OPTICAL COMB AND APPLICATIONS THEREOF [patent_app_type] => utility [patent_app_number] => 18/337013 [patent_app_country] => US [patent_app_date] => 2023-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18337013 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337013
METHOD AND SYSTEM OF PRODUCING A REDUNDANT OPTICAL COMB AND APPLICATIONS THEREOF Jun 17, 2023 Abandoned
Array ( [id] => 19639302 [patent_doc_number] => 12169911 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Facial image editing and enhancement using a personalized prior [patent_app_type] => utility [patent_app_number] => 18/334700 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 11353 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18334700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/334700
Facial image editing and enhancement using a personalized prior Jun 13, 2023 Issued
Array ( [id] => 18681068 [patent_doc_number] => 20230318733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => OPTICAL AMPLIFICATION APPARATUS, AND MODE DIVISION MULTIPLEXING SYSTEM INCLUDING OPTICAL AMPLIFICATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/332130 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18332130 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/332130
Optical amplification apparatus, and mode division multiplexing system including optical amplification apparatus Jun 8, 2023 Issued
Array ( [id] => 18834548 [patent_doc_number] => 20230403075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => METHODS, DEVICES AND APPARATUSES FOR OPTICAL COMMUNICATION, AND COMPUTER READABLE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/329097 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18329097 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/329097
METHODS, DEVICES AND APPARATUSES FOR OPTICAL COMMUNICATION, AND COMPUTER READABLE MEDIUM Jun 4, 2023 Pending
Array ( [id] => 18874035 [patent_doc_number] => 11861853 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => System and method of vehicle speed estimation using moving camera and time series neural network [patent_app_type] => utility [patent_app_number] => 18/328441 [patent_app_country] => US [patent_app_date] => 2023-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 9165 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18328441 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/328441
System and method of vehicle speed estimation using moving camera and time series neural network Jun 1, 2023 Issued
Array ( [id] => 19350132 [patent_doc_number] => 20240259096 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => Optimization of spectrum sharing in optical line systems [patent_app_type] => utility [patent_app_number] => 18/326818 [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] => 7678 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18326818 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/326818
Optimization of spectrum sharing in optical line systems May 30, 2023 Issued
Array ( [id] => 20388695 [patent_doc_number] => 12488425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Low-light image enhancement using key frame and dependent frame neural networks [patent_app_type] => utility [patent_app_number] => 18/321619 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 24434 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321619 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321619
Low-light image enhancement using key frame and dependent frame neural networks May 21, 2023 Issued
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