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] => 19188957 [patent_doc_number] => 20240167870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => LASER MEASUREMENT APPARATUS HAVING A REMOVABLE AND REPLACEABLE BEAM DUMP [patent_app_type] => utility [patent_app_number] => 18/410646 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8869 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410646
Laser measurement apparatus having a removable and replaceable beam dump Jan 10, 2024 Issued
Array ( [id] => 20051147 [patent_doc_number] => 20250189369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => ANTI-SNEAK SHOT DETECTOR [patent_app_type] => utility [patent_app_number] => 18/409129 [patent_app_country] => US [patent_app_date] => 2024-01-10 [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] => -10 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18409129 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409129
ANTI-SNEAK SHOT DETECTOR Jan 9, 2024 Abandoned
Array ( [id] => 19450423 [patent_doc_number] => 20240310553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => LIGHT CURTAIN SAFETY SYSTEM [patent_app_type] => utility [patent_app_number] => 18/402639 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18402639 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402639
Light curtain safety system Jan 1, 2024 Issued
Array ( [id] => 20549691 [patent_doc_number] => 12560476 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Level-based fault detection for a row driver of an optical sensor [patent_app_type] => utility [patent_app_number] => 18/400359 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 9042 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400359 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400359
Level-based fault detection for a row driver of an optical sensor Dec 28, 2023 Issued
Array ( [id] => 20716243 [patent_doc_number] => 12631485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Methods and apparatus for ambient light sensor with spectral resolution [patent_app_type] => utility [patent_app_number] => 18/398592 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 4698 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18398592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/398592
Methods and apparatus for ambient light sensor with spectral resolution Dec 27, 2023 Issued
Array ( [id] => 19113893 [patent_doc_number] => 20240125643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => Wireless Battery-Powered Daylight Sensor [patent_app_type] => utility [patent_app_number] => 18/543368 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18543368 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543368
Wireless battery-powered daylight sensor Dec 17, 2023 Issued
Array ( [id] => 20034281 [patent_doc_number] => 20250172503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => AUTOMATIC MAVERICK WAFER SCREENING USING DIE PASS PATTERN [patent_app_type] => utility [patent_app_number] => 18/521732 [patent_app_country] => US [patent_app_date] => 2023-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1287 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18521732 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/521732
Automatic maverick wafer screening using die pass pattern Nov 27, 2023 Issued
Array ( [id] => 20358652 [patent_doc_number] => 12474644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Device and method for overlay measurement which control focus movement [patent_app_type] => utility [patent_app_number] => 18/385177 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 2276 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385177 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385177
Device and method for overlay measurement which control focus movement Oct 29, 2023 Issued
Array ( [id] => 20481361 [patent_doc_number] => 12529833 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Induced transmission filter [patent_app_type] => utility [patent_app_number] => 18/495942 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 2271 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18495942 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/495942
Induced transmission filter Oct 26, 2023 Issued
Array ( [id] => 20002392 [patent_doc_number] => 20250140614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => METHOD FOR CREATING PRODUCT-LIKE STRESSED SURROGATE TEST WAFERS [patent_app_type] => utility [patent_app_number] => 18/496408 [patent_app_country] => US [patent_app_date] => 2023-10-27 [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] => -17 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18496408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/496408
METHOD FOR CREATING PRODUCT-LIKE STRESSED SURROGATE TEST WAFERS Oct 26, 2023 Pending
Array ( [id] => 19118274 [patent_doc_number] => 20240130024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => PORTABLE REMOTE SENSING DEVICE AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/382960 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19563 [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] => 18382960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382960
Portable remote sensing device and system Oct 22, 2023 Issued
Array ( [id] => 19587470 [patent_doc_number] => 20240385027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => SYSTEMS AND METHODS FOR SENSING LEVEL OF LIQUID WITHIN A CONTAINER [patent_app_type] => utility [patent_app_number] => 18/479935 [patent_app_country] => US [patent_app_date] => 2023-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7842 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18479935 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479935
Systems and methods for sensing level of liquid within a container Oct 2, 2023 Issued
Array ( [id] => 19282694 [patent_doc_number] => 20240219170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => SUBSTRATE INSPECTION APPARATUS AND SUBSTRATE INSPECTION METHOD [patent_app_type] => utility [patent_app_number] => 18/371230 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8672 [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] => 18371230 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/371230
SUBSTRATE INSPECTION APPARATUS AND SUBSTRATE INSPECTION METHOD Sep 20, 2023 Pending
Array ( [id] => 18899289 [patent_doc_number] => 20240014774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => SPRING COUNTER-BALANCE ASSEMBLIES AND SOLAR TRACKERS INCORPORATING SPRINGS TO BALANCE ROTATION [patent_app_type] => utility [patent_app_number] => 18/471136 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18471136 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471136
SPRING COUNTER-BALANCE ASSEMBLIES AND SOLAR TRACKERS INCORPORATING SPRINGS TO BALANCE ROTATION Sep 19, 2023 Abandoned
Array ( [id] => 20594579 [patent_doc_number] => 12578286 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Multichannel LED light to enable photometric stereo for 3D reconstruction [patent_app_type] => utility [patent_app_number] => 18/369003 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 2817 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369003 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369003
Multichannel LED light to enable photometric stereo for 3D reconstruction Sep 14, 2023 Issued
Array ( [id] => 20549772 [patent_doc_number] => 12560557 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Inspection method of workpiece and inspection apparatus [patent_app_type] => utility [patent_app_number] => 18/467871 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5937 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18467871 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467871
Inspection method of workpiece and inspection apparatus Sep 14, 2023 Issued
Array ( [id] => 20625992 [patent_doc_number] => 12593517 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Solid-state imaging device, drive method thereof and electronic apparatus [patent_app_type] => utility [patent_app_number] => 18/467364 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 84 [patent_figures_cnt] => 118 [patent_no_of_words] => 46605 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18467364 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/467364
Solid-state imaging device, drive method thereof and electronic apparatus Sep 13, 2023 Issued
Array ( [id] => 20403024 [patent_doc_number] => 12492997 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Inspection apparatus and method [patent_app_type] => utility [patent_app_number] => 18/367540 [patent_app_country] => US [patent_app_date] => 2023-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 7085 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18367540 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/367540
Inspection apparatus and method Sep 12, 2023 Issued
Array ( [id] => 19505923 [patent_doc_number] => 12117339 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-15 [patent_title] => Single photon avalanche diode based optical sensor, event-based vision sensor and operating method thereof [patent_app_type] => utility [patent_app_number] => 18/464304 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5326 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18464304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464304
Single photon avalanche diode based optical sensor, event-based vision sensor and operating method thereof Sep 10, 2023 Issued
Array ( [id] => 19872342 [patent_doc_number] => 12265201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Light-emitting device array and optical transceiver system having the same [patent_app_type] => utility [patent_app_number] => 18/463273 [patent_app_country] => US [patent_app_date] => 2023-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6002 [patent_no_of_claims] => 17 [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] => 18463273 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463273
Light-emitting device array and optical transceiver system having the same Sep 6, 2023 Issued
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