Search

Liang Che A. Wang

Examiner (ID: 12012, Phone: (571)272-3992 , Office: P/2447 )

Most Active Art Unit
2447
Art Unit(s)
2447, 2153, 2453, 2155
Total Applications
1260
Issued Applications
1056
Pending Applications
60
Abandoned Applications
162

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19702590 [patent_doc_number] => 12196608 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Light-out detection for wayside signals [patent_app_type] => utility [patent_app_number] => 18/202363 [patent_app_country] => US [patent_app_date] => 2023-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2475 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18202363 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/202363
Light-out detection for wayside signals May 25, 2023 Issued
Array ( [id] => 18768962 [patent_doc_number] => 20230363716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Ambient light cancellation circuit [patent_app_type] => utility [patent_app_number] => 18/196465 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 445 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18196465 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/196465
Ambient light cancellation circuit May 11, 2023 Issued
Array ( [id] => 19702592 [patent_doc_number] => 12196610 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Photodetecting device for detecting different wavelengths [patent_app_type] => utility [patent_app_number] => 18/315775 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 50 [patent_no_of_words] => 12162 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315775 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315775
Photodetecting device for detecting different wavelengths May 10, 2023 Issued
Array ( [id] => 19558025 [patent_doc_number] => 20240369817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => FAST SCANNING MICROSCOPE SYSTEMS, AND RELATED OPTICS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/141819 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18141819 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/141819
Fast scanning microscope systems, and related optics and methods Apr 30, 2023 Issued
Array ( [id] => 20374300 [patent_doc_number] => 12481737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Light emitter, light emitting device, optical device, and information processing apparatus [patent_app_type] => utility [patent_app_number] => 18/134272 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 23 [patent_no_of_words] => 7076 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18134272 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/134272
Light emitter, light emitting device, optical device, and information processing apparatus Apr 12, 2023 Issued
Array ( [id] => 19397884 [patent_doc_number] => 12072239 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-08-27 [patent_title] => Circuits and methods for wavelength locking of optical receiver WDM filters [patent_app_type] => utility [patent_app_number] => 18/128948 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5852 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18128948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/128948
Circuits and methods for wavelength locking of optical receiver WDM filters Mar 29, 2023 Issued
Array ( [id] => 18531397 [patent_doc_number] => 20230236469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => Electrically-Tunable Optical Filter [patent_app_type] => utility [patent_app_number] => 18/127889 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18127889 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/127889
Electrically-tunable optical filter Mar 28, 2023 Issued
Array ( [id] => 19326892 [patent_doc_number] => 12044569 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Light receiving device and light receiving apparatus [patent_app_type] => utility [patent_app_number] => 18/124952 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 9552 [patent_no_of_claims] => 18 [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] => 18124952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/124952
Light receiving device and light receiving apparatus Mar 21, 2023 Issued
Array ( [id] => 19395856 [patent_doc_number] => 12070184 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Imaging system, endoscope system, and control method [patent_app_type] => utility [patent_app_number] => 18/188126 [patent_app_country] => US [patent_app_date] => 2023-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 59 [patent_no_of_words] => 21746 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18188126 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188126
Imaging system, endoscope system, and control method Mar 21, 2023 Issued
Array ( [id] => 19841281 [patent_doc_number] => 12253666 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Attenuable resistive optical isolation circuit and device [patent_app_type] => utility [patent_app_number] => 18/185735 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4680 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18185735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/185735
Attenuable resistive optical isolation circuit and device Mar 16, 2023 Issued
Array ( [id] => 20069833 [patent_doc_number] => 20250208055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => LIGHTING FOR AN OPTICAL MONITORING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/846510 [patent_app_country] => US [patent_app_date] => 2023-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18846510 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/846510
LIGHTING FOR AN OPTICAL MONITORING APPARATUS Mar 8, 2023 Pending
Array ( [id] => 20257032 [patent_doc_number] => 12429378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Resin property value prediction apparatus, learning apparatus, and method for predicting resin property value [patent_app_type] => utility [patent_app_number] => 18/118830 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 4434 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18118830 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/118830
Resin property value prediction apparatus, learning apparatus, and method for predicting resin property value Mar 7, 2023 Issued
Array ( [id] => 19801744 [patent_doc_number] => 20250067669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => LIGAND ASSISTED DISSOCIATION [patent_app_type] => utility [patent_app_number] => 18/726739 [patent_app_country] => US [patent_app_date] => 2023-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18726739 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/726739
LIGAND ASSISTED DISSOCIATION Mar 6, 2023 Pending
Array ( [id] => 18598038 [patent_doc_number] => 20230272837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => APPARATUS AND METHOD FOR CAPTURING VIBRATION IN SYSTEM [patent_app_type] => utility [patent_app_number] => 18/113815 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28721 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18113815 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/113815
Apparatus and method for capturing vibration in system Feb 23, 2023 Issued
Array ( [id] => 20061058 [patent_doc_number] => 20250199280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => STEREOSCOPIC ASSEMBLY, SURGICAL MICROSCOPE WITH STEREOSCOPIC ASSEMBLY, AND SURGICAL SET [patent_app_type] => utility [patent_app_number] => 18/843353 [patent_app_country] => US [patent_app_date] => 2023-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18843353 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/843353
STEREOSCOPIC ASSEMBLY, SURGICAL MICROSCOPE WITH STEREOSCOPIC ASSEMBLY, AND SURGICAL SET Feb 19, 2023 Pending
Array ( [id] => 20744944 [patent_doc_number] => 12644847 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Single-pass 3D reconstruction of internal surface of pipelines using depth camera array [patent_app_type] => utility [patent_app_number] => 18/839342 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 5843 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18839342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/839342
Single-pass 3D reconstruction of internal surface of pipelines using depth camera array Feb 16, 2023 Issued
Array ( [id] => 19124459 [patent_doc_number] => 11968462 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Solid-state image pickup apparatus, correction method, and electronic apparatus [patent_app_type] => utility [patent_app_number] => 18/170291 [patent_app_country] => US [patent_app_date] => 2023-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 12092 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18170291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/170291
Solid-state image pickup apparatus, correction method, and electronic apparatus Feb 15, 2023 Issued
Array ( [id] => 19292512 [patent_doc_number] => 12031862 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Optical energy measuring device [patent_app_type] => utility [patent_app_number] => 18/170214 [patent_app_country] => US [patent_app_date] => 2023-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5972 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18170214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/170214
Optical energy measuring device Feb 15, 2023 Issued
Array ( [id] => 18933262 [patent_doc_number] => 11885675 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-30 [patent_title] => Electro-optical analog to digital conversion [patent_app_type] => utility [patent_app_number] => 18/170098 [patent_app_country] => US [patent_app_date] => 2023-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2131 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18170098 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/170098
Electro-optical analog to digital conversion Feb 15, 2023 Issued
Array ( [id] => 19181971 [patent_doc_number] => 11988555 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-21 [patent_title] => Configurable sensor units and sensor apparatus [patent_app_type] => utility [patent_app_number] => 18/164663 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 20 [patent_no_of_words] => 5470 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18164663 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/164663
Configurable sensor units and sensor apparatus Feb 5, 2023 Issued
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