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] => 18562355 [patent_doc_number] => 11727602 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Resolution of a picture [patent_app_type] => utility [patent_app_number] => 17/277607 [patent_app_country] => US [patent_app_date] => 2018-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 35 [patent_no_of_words] => 29783 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17277607 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/277607
Resolution of a picture Sep 19, 2018 Issued
Array ( [id] => 16257520 [patent_doc_number] => 20200266895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => LONG-DISTANCE RF FREQUENCY AND TIME TRANSFER [patent_app_type] => utility [patent_app_number] => 16/648418 [patent_app_country] => US [patent_app_date] => 2018-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16648418 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/648418
Long-distance RF frequency and time transfer Sep 19, 2018 Issued
Array ( [id] => 19094544 [patent_doc_number] => 11956015 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Communication system multiplexing and demultiplexing apparatus and methods [patent_app_type] => utility [patent_app_number] => 17/276720 [patent_app_country] => US [patent_app_date] => 2018-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 9557 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17276720 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/276720
Communication system multiplexing and demultiplexing apparatus and methods Sep 17, 2018 Issued
Array ( [id] => 13800659 [patent_doc_number] => 20190013868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => TRANSPORTING MULTIPLE LOW-SPEED DATA STREAMS ACROSS A HIGH-SPEED COMMUNICATION LINK [patent_app_type] => utility [patent_app_number] => 16/132193 [patent_app_country] => US [patent_app_date] => 2018-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16132193 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/132193
TRANSPORTING MULTIPLE LOW-SPEED DATA STREAMS ACROSS A HIGH-SPEED COMMUNICATION LINK Sep 13, 2018 Abandoned
Array ( [id] => 16227019 [patent_doc_number] => 20200252136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => MODE COUPLING RECEIVER FOR QUANTUM COMMUNICATIONS AND QUANTUM COMMUNICATION SYSTEM COMPRISING SAID RECEIVER [patent_app_type] => utility [patent_app_number] => 16/648935 [patent_app_country] => US [patent_app_date] => 2018-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4482 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16648935 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/648935
MODE COUPLING RECEIVER FOR QUANTUM COMMUNICATIONS AND QUANTUM COMMUNICATION SYSTEM COMPRISING SAID RECEIVER Sep 13, 2018 Abandoned
Array ( [id] => 17019108 [patent_doc_number] => 11088762 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => Phase-lock-free system and method for receiving multi-modulation-format compatible high-speed laser signal [patent_app_type] => utility [patent_app_number] => 17/044293 [patent_app_country] => US [patent_app_date] => 2018-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4583 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [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] => 17044293 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/044293
Phase-lock-free system and method for receiving multi-modulation-format compatible high-speed laser signal Sep 12, 2018 Issued
Array ( [id] => 15702327 [patent_doc_number] => 10607347 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-03-31 [patent_title] => System and method for determining pupil location and iris radius of an eye [patent_app_type] => utility [patent_app_number] => 16/130684 [patent_app_country] => US [patent_app_date] => 2018-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 14995 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16130684 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/130684
System and method for determining pupil location and iris radius of an eye Sep 12, 2018 Issued
Array ( [id] => 14112091 [patent_doc_number] => 20190097721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => METHOD AND APPARATUS FOR MONITORING POLARIZATION DEPENDENT LOSS, RECEIVER AND COMMUNICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 16/125945 [patent_app_country] => US [patent_app_date] => 2018-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16125945 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/125945
Method and apparatus for monitoring polarization dependent loss, receiver and communication system Sep 9, 2018 Issued
Array ( [id] => 15387585 [patent_doc_number] => 10534983 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-01-14 [patent_title] => Piping and instrumentation planning and maintenance system [patent_app_type] => utility [patent_app_number] => 16/124959 [patent_app_country] => US [patent_app_date] => 2018-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4861 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16124959 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/124959
Piping and instrumentation planning and maintenance system Sep 6, 2018 Issued
Array ( [id] => 14254217 [patent_doc_number] => 10277321 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-04-30 [patent_title] => Acquisition and pointing device, system, and method using quad cell [patent_app_type] => utility [patent_app_number] => 16/122999 [patent_app_country] => US [patent_app_date] => 2018-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6128 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16122999 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/122999
Acquisition and pointing device, system, and method using quad cell Sep 5, 2018 Issued
Array ( [id] => 14023565 [patent_doc_number] => 20190073776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => IMAGE PROCESSING APPARATUS, OPTICAL COHERENCE TOMOGRAPHY APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE MEDIUM [patent_app_type] => utility [patent_app_number] => 16/118591 [patent_app_country] => US [patent_app_date] => 2018-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16118591 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/118591
Image processing apparatus, optical coherence tomography apparatus, image processing method, and computer-readable medium Aug 30, 2018 Issued
Array ( [id] => 18119641 [patent_doc_number] => 11551036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Methods and apparatuses for building data identification models [patent_app_type] => utility [patent_app_number] => 16/112637 [patent_app_country] => US [patent_app_date] => 2018-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4729 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16112637 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/112637
Methods and apparatuses for building data identification models Aug 23, 2018 Issued
Array ( [id] => 13605485 [patent_doc_number] => 20180354291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-13 [patent_title] => STRUCTURE, SYSTEM, METHOD, AND RECORDING MEDIUM OF IMPLEMENTING A DIRECTED SELF-ASSEMBLED SECURITY PATTERN [patent_app_type] => utility [patent_app_number] => 16/106600 [patent_app_country] => US [patent_app_date] => 2018-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5531 [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] => 16106600 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/106600
Structure, system, method, and recording medium of implementing a directed self-assembled security pattern Aug 20, 2018 Issued
Array ( [id] => 15237137 [patent_doc_number] => 10506312 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-12-10 [patent_title] => Optical networking with hybrid optical vortices [patent_app_type] => utility [patent_app_number] => 16/105110 [patent_app_country] => US [patent_app_date] => 2018-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 41489 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16105110 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/105110
Optical networking with hybrid optical vortices Aug 19, 2018 Issued
Array ( [id] => 15534807 [patent_doc_number] => 20200059710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => OPTICAL CABLE IDENTIFICATION TOOL [patent_app_type] => utility [patent_app_number] => 16/105524 [patent_app_country] => US [patent_app_date] => 2018-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4122 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16105524 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/105524
Optical cable identification tool Aug 19, 2018 Issued
Array ( [id] => 17456780 [patent_doc_number] => 11271652 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Distributed internet of things terminal system and method based on optical fiber bus RoF [patent_app_type] => utility [patent_app_number] => 16/317735 [patent_app_country] => US [patent_app_date] => 2018-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7993 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 848 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16317735 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/317735
Distributed internet of things terminal system and method based on optical fiber bus RoF Aug 14, 2018 Issued
Array ( [id] => 13934235 [patent_doc_number] => 20190050633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => COMPUTER-BASED MICRO-EXPRESSION ANALYSIS [patent_app_type] => utility [patent_app_number] => 16/101877 [patent_app_country] => US [patent_app_date] => 2018-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16101877 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/101877
COMPUTER-BASED MICRO-EXPRESSION ANALYSIS Aug 12, 2018 Abandoned
Array ( [id] => 13932301 [patent_doc_number] => 20190049666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => Method And Systems For All Optical Tunable Equalizers [patent_app_type] => utility [patent_app_number] => 16/059328 [patent_app_country] => US [patent_app_date] => 2018-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16059328 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/059328
Method And Systems For All Optical Tunable Equalizers Aug 8, 2018 Abandoned
Array ( [id] => 13594003 [patent_doc_number] => 20180348550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => Method And System For A Low-Voltage Integrated Silicon High-Speed Modulator [patent_app_type] => utility [patent_app_number] => 16/057508 [patent_app_country] => US [patent_app_date] => 2018-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16057508 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/057508
Method and system for a low-voltage integrated silicon high-speed modulator Aug 6, 2018 Issued
Array ( [id] => 16464893 [patent_doc_number] => 10848261 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-11-24 [patent_title] => Systems and methods for identifying rogue optical network units in optical networks with wavelength-division multiplexing [patent_app_type] => utility [patent_app_number] => 16/057453 [patent_app_country] => US [patent_app_date] => 2018-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 7748 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 452 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16057453 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/057453
Systems and methods for identifying rogue optical network units in optical networks with wavelength-division multiplexing Aug 6, 2018 Issued
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