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] => 17942482 [patent_doc_number] => 11476949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Systems and methods for coherent optics in an access network [patent_app_type] => utility [patent_app_number] => 16/370873 [patent_app_country] => US [patent_app_date] => 2019-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 55 [patent_no_of_words] => 27314 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16370873 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/370873
Systems and methods for coherent optics in an access network Mar 28, 2019 Issued
Array ( [id] => 16804018 [patent_doc_number] => 10998980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-04 [patent_title] => System for achieving multiple bits per symbol in optical communications systems by combining spatial domain multiplexing and pulse amplitude modulation [patent_app_type] => utility [patent_app_number] => 16/367238 [patent_app_country] => US [patent_app_date] => 2019-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 42 [patent_figures_cnt] => 51 [patent_no_of_words] => 10128 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16367238 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/367238
System for achieving multiple bits per symbol in optical communications systems by combining spatial domain multiplexing and pulse amplitude modulation Mar 26, 2019 Issued
Array ( [id] => 16667611 [patent_doc_number] => 10936860 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-02 [patent_title] => Marking assist device, and marking assist method [patent_app_type] => utility [patent_app_number] => 16/365185 [patent_app_country] => US [patent_app_date] => 2019-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 14788 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16365185 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/365185
Marking assist device, and marking assist method Mar 25, 2019 Issued
Array ( [id] => 17175015 [patent_doc_number] => 20210328686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => SYSTEM AND METHOD FOR TRANSFERRING OPTICAL SIGNALS IN PHOTONIC DEVICES AND METHOD OF MAKING THE SYSTEM [patent_app_type] => utility [patent_app_number] => 16/338096 [patent_app_country] => US [patent_app_date] => 2019-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16338096 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/338096
System and method for transferring optical signals in photonic devices and method of making the system Mar 21, 2019 Issued
Array ( [id] => 16333239 [patent_doc_number] => 20200304205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => OPTICAL TEST APPARATUS [patent_app_type] => utility [patent_app_number] => 16/360683 [patent_app_country] => US [patent_app_date] => 2019-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16360683 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/360683
OPTICAL TEST APPARATUS Mar 20, 2019 Abandoned
Array ( [id] => 14588779 [patent_doc_number] => 20190221998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => WAVELENGTH TUNABLE LASER MODULE AND METHOD OF CONTROLLING WAVELENGTH THEREOF [patent_app_type] => utility [patent_app_number] => 16/359586 [patent_app_country] => US [patent_app_date] => 2019-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11867 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16359586 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/359586
Wavelength tunable laser module and method of controlling wavelength thereof Mar 19, 2019 Issued
Array ( [id] => 14811663 [patent_doc_number] => 20190272441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => IMAGE-BASED FEATURE DETECTION USING EDGE VECTORS [patent_app_type] => utility [patent_app_number] => 16/297557 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11105 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 16297557 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/297557
Image-based feature detection using edge vectors Mar 7, 2019 Issued
Array ( [id] => 14918745 [patent_doc_number] => 10430693 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-10-01 [patent_title] => Piping and instrumentation planning and maintenance system [patent_app_type] => utility [patent_app_number] => 16/297362 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4895 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16297362 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/297362
Piping and instrumentation planning and maintenance system Mar 7, 2019 Issued
Array ( [id] => 14574905 [patent_doc_number] => 20190215061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-11 [patent_title] => DETECTION SYSTEM FOR OPTICAL TRANSCEIVER MODULE [patent_app_type] => utility [patent_app_number] => 16/289692 [patent_app_country] => US [patent_app_date] => 2019-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16289692 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/289692
DETECTION SYSTEM FOR OPTICAL TRANSCEIVER MODULE Feb 28, 2019 Abandoned
Array ( [id] => 14499595 [patent_doc_number] => 20190193452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => STRUCTURE, SYSTEM, METHOD, AND RECORDING MEDIUM OF IMPLEMENTING A DIRECTED SELF-ASSEMBLED SECURITY PATTERN [patent_app_type] => utility [patent_app_number] => 16/287050 [patent_app_country] => US [patent_app_date] => 2019-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5555 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16287050 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/287050
Structure of implementing a directed self-assembled security pattern Feb 26, 2019 Issued
Array ( [id] => 15251705 [patent_doc_number] => 10511387 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-12-17 [patent_title] => RF frequency converter with SBS equalization and related methods [patent_app_type] => utility [patent_app_number] => 16/280182 [patent_app_country] => US [patent_app_date] => 2019-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 4435 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16280182 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/280182
RF frequency converter with SBS equalization and related methods Feb 19, 2019 Issued
Array ( [id] => 14813895 [patent_doc_number] => 20190273557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => TRANSMISSION APPARATUS, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD [patent_app_type] => utility [patent_app_number] => 16/279369 [patent_app_country] => US [patent_app_date] => 2019-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8679 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16279369 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/279369
Transmission apparatus, transmission system, and transmission method Feb 18, 2019 Issued
Array ( [id] => 17165601 [patent_doc_number] => 11151707 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-19 [patent_title] => System and method for difference filter and aperture selection using shallow deep learning [patent_app_type] => utility [patent_app_number] => 16/277769 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9380 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16277769 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/277769
System and method for difference filter and aperture selection using shallow deep learning Feb 14, 2019 Issued
Array ( [id] => 16651487 [patent_doc_number] => 10928659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Optoelectronic device [patent_app_type] => utility [patent_app_number] => 16/275157 [patent_app_country] => US [patent_app_date] => 2019-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 30 [patent_no_of_words] => 9954 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16275157 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/275157
Optoelectronic device Feb 12, 2019 Issued
Array ( [id] => 14448151 [patent_doc_number] => 20190181949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => SYSTEM AND METHOD FOR OPTICAL TIME-DOMAIN REFLECTOMETRY AND DESIGN DATA WIRE TESTING [patent_app_type] => utility [patent_app_number] => 16/274893 [patent_app_country] => US [patent_app_date] => 2019-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16274893 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/274893
System and method for optical time-domain reflectometry and design data wire testing Feb 12, 2019 Issued
Array ( [id] => 16651487 [patent_doc_number] => 10928659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Optoelectronic device [patent_app_type] => utility [patent_app_number] => 16/275157 [patent_app_country] => US [patent_app_date] => 2019-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 30 [patent_no_of_words] => 9954 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16275157 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/275157
Optoelectronic device Feb 12, 2019 Issued
Array ( [id] => 16651487 [patent_doc_number] => 10928659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Optoelectronic device [patent_app_type] => utility [patent_app_number] => 16/275157 [patent_app_country] => US [patent_app_date] => 2019-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 30 [patent_no_of_words] => 9954 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16275157 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/275157
Optoelectronic device Feb 12, 2019 Issued
Array ( [id] => 16651487 [patent_doc_number] => 10928659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Optoelectronic device [patent_app_type] => utility [patent_app_number] => 16/275157 [patent_app_country] => US [patent_app_date] => 2019-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 30 [patent_no_of_words] => 9954 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16275157 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/275157
Optoelectronic device Feb 12, 2019 Issued
Array ( [id] => 16691477 [patent_doc_number] => 20210073956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => IMAGE PROCESSING [patent_app_type] => utility [patent_app_number] => 16/968707 [patent_app_country] => US [patent_app_date] => 2019-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41976 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16968707 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/968707
High dynamic range image processing with noise reduction Feb 10, 2019 Issued
Array ( [id] => 16240678 [patent_doc_number] => 20200257912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => METHOD AND APPARATUS FOR VEHICLE INTERIOR EVALUATION AND SITUATIONAL SERVICING [patent_app_type] => utility [patent_app_number] => 16/271101 [patent_app_country] => US [patent_app_date] => 2019-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16271101 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/271101
Method and apparatus for vehicle interior evaluation and situational servicing Feb 7, 2019 Issued
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