Search

Heng M. Chan

Examiner (ID: 748, Phone: (571)270-5859 , Office: P/1725 )

Most Active Art Unit
1725
Art Unit(s)
1725, 1728, 1795, 1793
Total Applications
475
Issued Applications
293
Pending Applications
37
Abandoned Applications
157

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18900921 [patent_doc_number] => 20240016406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => LED LIGHT PATCH, SKIN CARE DIAGNOSTIC SYSTEM USING THE SAME, AND METHOD FOR OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 18/253072 [patent_app_country] => US [patent_app_date] => 2021-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6062 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18253072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/253072
LED LIGHT PATCH, SKIN CARE DIAGNOSTIC SYSTEM USING THE SAME, AND METHOD FOR OPERATING THE SAME Feb 15, 2021 Pending
Array ( [id] => 18344697 [patent_doc_number] => 20230132807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => DETECTING AND CORRECTING A VARIATION OF CURRENT REFRACTIVE ERROR AND OF CURRENT ACCOMMODATION AMPLITUDE OF A PERSON [patent_app_type] => utility [patent_app_number] => 17/904061 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8289 [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] => 17904061 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/904061
DETECTING AND CORRECTING A VARIATION OF CURRENT REFRACTIVE ERROR AND OF CURRENT ACCOMMODATION AMPLITUDE OF A PERSON Feb 7, 2021 Pending
Array ( [id] => 18184348 [patent_doc_number] => 20230045078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => SYSTEMS AND METHODS FOR AUDIO PROCESSING AND ANALYSIS OF MULTI-DIMENSIONAL STATISTICAL SIGNATURE USING MACHINE LEARING ALGORITHMS [patent_app_type] => utility [patent_app_number] => 17/759088 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17072 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -51 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17759088 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/759088
SYSTEMS AND METHODS FOR AUDIO PROCESSING AND ANALYSIS OF MULTI-DIMENSIONAL STATISTICAL SIGNATURE USING MACHINE LEARING ALGORITHMS Jan 21, 2021 Pending
Array ( [id] => 18168484 [patent_doc_number] => 20230035094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => PROCEDURE AND DEVICE TO PRODUCE A REFLEX TEAR SECRETION AND A KIT FOR THE MEASUREMENT OF THE MAGNITUDE OF THE EVOKED TEAR FLOW [patent_app_type] => utility [patent_app_number] => 17/790029 [patent_app_country] => US [patent_app_date] => 2020-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10369 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17790029 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/790029
PROCEDURE AND DEVICE TO PRODUCE A REFLEX TEAR SECRETION AND A KIT FOR THE MEASUREMENT OF THE MAGNITUDE OF THE EVOKED TEAR FLOW Dec 29, 2020 Pending
Array ( [id] => 18090748 [patent_doc_number] => 20220409089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => A COUGH DETECTION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/778931 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6230 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17778931 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/778931
A COUGH DETECTION SYSTEM AND METHOD Dec 15, 2020 Abandoned
Array ( [id] => 18165422 [patent_doc_number] => 20230032021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => ULTRAFINE NEEDLE ENDOSCOPE APPARATUS FOR DEEP INTERSTITIAL EXAMINATION BY WHITE LIGHT IMAGING, AUTOFLUORESCENCE IMAGING AND RAMAN SPECTROSCOPY [patent_app_type] => utility [patent_app_number] => 17/784522 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10476 [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] => 17784522 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/784522
ULTRAFINE NEEDLE ENDOSCOPE APPARATUS FOR DEEP INTERSTITIAL EXAMINATION BY WHITE LIGHT IMAGING, AUTOFLUORESCENCE IMAGING AND RAMAN SPECTROSCOPY Dec 10, 2020 Pending
Array ( [id] => 18090848 [patent_doc_number] => 20220409189 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => SAMPLE COLLECTION DEVICE WITH REAGENT [patent_app_type] => utility [patent_app_number] => 17/779364 [patent_app_country] => US [patent_app_date] => 2020-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -41 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17779364 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779364
SAMPLE COLLECTION DEVICE WITH REAGENT Dec 9, 2020 Abandoned
Array ( [id] => 18107529 [patent_doc_number] => 20230000409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => FATIGUE ESTIMATION SYSTEM, ESTIMATION DEVICE, AND FATIGUE ESTIMATION METHOD [patent_app_type] => utility [patent_app_number] => 17/781689 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17781689 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/781689
FATIGUE ESTIMATION SYSTEM, ESTIMATION DEVICE, AND FATIGUE ESTIMATION METHOD Nov 30, 2020 Pending
Array ( [id] => 18859696 [patent_doc_number] => 20230414130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => WALKING INDEX CALCULATION DEVICE, WALKING INDEX CALCULATION SYSTEM, WALKING INDEX CALCULATION METHOD, AND PROGRAM RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 18/038328 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16985 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18038328 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/038328
WALKING INDEX CALCULATION DEVICE, WALKING INDEX CALCULATION SYSTEM, WALKING INDEX CALCULATION METHOD, AND PROGRAM RECORDING MEDIUM Nov 30, 2020 Pending
Array ( [id] => 18107509 [patent_doc_number] => 20230000389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => MEASUREMENT OF ALVEOLAR DEAD SPACE USING SEQUENTIAL GAS DELIVERY [patent_app_type] => utility [patent_app_number] => 17/780816 [patent_app_country] => US [patent_app_date] => 2020-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6720 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17780816 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/780816
MEASUREMENT OF ALVEOLAR DEAD SPACE USING SEQUENTIAL GAS DELIVERY Nov 29, 2020 Pending
Array ( [id] => 18075386 [patent_doc_number] => 20220400998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => TOILET DEVICE FOR NON-CONTACT MEASUREMENT OF MICTURITION PARAMETERS [patent_app_type] => utility [patent_app_number] => 17/779715 [patent_app_country] => US [patent_app_date] => 2020-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5553 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17779715 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779715
TOILET DEVICE FOR NON-CONTACT MEASUREMENT OF MICTURITION PARAMETERS Nov 25, 2020 Pending
Array ( [id] => 18090736 [patent_doc_number] => 20220409077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => METHOD AND DEVICE FOR GENERATING PHOTOPLETHYSMOGRAPHY SIGNALS [patent_app_type] => utility [patent_app_number] => 17/904692 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17904692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/904692
METHOD AND DEVICE FOR GENERATING PHOTOPLETHYSMOGRAPHY SIGNALS Nov 17, 2020 Pending
Array ( [id] => 18107542 [patent_doc_number] => 20230000422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => ELECTRODE FOR ELECTROENCAPHALOGRAPHY [patent_app_type] => utility [patent_app_number] => 17/778311 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17778311 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/778311
ELECTRODE FOR ELECTROENCAPHALOGRAPHY Nov 17, 2020 Pending
Array ( [id] => 18034120 [patent_doc_number] => 20220378335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => ELECTROSTIMULATION-FREE AND BIOMETRICALLY ENCRYPTABLE NONINVASIVE BIOCHEMICAL SENSING DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 17/771003 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17771003 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/771003
ELECTROSTIMULATION-FREE AND BIOMETRICALLY ENCRYPTABLE NONINVASIVE BIOCHEMICAL SENSING DEVICE AND METHOD Oct 20, 2020 Pending
Array ( [id] => 18075470 [patent_doc_number] => 20220401082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => BIOLOGICAL SAMPLE COLLECTION PAD [patent_app_type] => utility [patent_app_number] => 17/770601 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -61 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17770601 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770601
BIOLOGICAL SAMPLE COLLECTION PAD Oct 19, 2020 Pending
Array ( [id] => 18003014 [patent_doc_number] => 20220361780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => GLUCOSE PREDICTION SYSTEMS AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 17/769883 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17769883 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/769883
GLUCOSE PREDICTION SYSTEMS AND ASSOCIATED METHODS Oct 15, 2020 Abandoned
Array ( [id] => 19065222 [patent_doc_number] => 20240099648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SYSTEM AND METHOD FOR SWEAT RATE DETERMINATION [patent_app_type] => utility [patent_app_number] => 17/769043 [patent_app_country] => US [patent_app_date] => 2020-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 40367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17769043 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/769043
SYSTEM AND METHOD FOR SWEAT RATE DETERMINATION Oct 12, 2020 Pending
Array ( [id] => 17894937 [patent_doc_number] => 20220304599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => ANALYTE SENSOR [patent_app_type] => utility [patent_app_number] => 17/638405 [patent_app_country] => US [patent_app_date] => 2020-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5692 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17638405 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/638405
ANALYTE SENSOR Aug 30, 2020 Pending
Array ( [id] => 18107517 [patent_doc_number] => 20230000397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => HEARING THRESHOLD AND/OR HEARING STATE DETECTION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/782972 [patent_app_country] => US [patent_app_date] => 2020-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10955 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17782972 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/782972
HEARING THRESHOLD AND/OR HEARING STATE DETECTION SYSTEM AND METHOD May 12, 2020 Abandoned
Array ( [id] => 18162327 [patent_doc_number] => 20230028920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => DETECTION OF SEIZURE EVENTS [patent_app_type] => utility [patent_app_number] => 17/778343 [patent_app_country] => US [patent_app_date] => 2019-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17778343 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/778343
DETECTION OF SEIZURE EVENTS Nov 19, 2019 Abandoned
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