Search

David Z. Chen

Examiner (ID: 8208, Phone: (571)270-7438 , Office: P/2815 )

Most Active Art Unit
2815
Art Unit(s)
2815
Total Applications
767
Issued Applications
299
Pending Applications
122
Abandoned Applications
382

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18555328 [patent_doc_number] => 20230253345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => SEMICONDUCTOR DEVICE, POWER CONVERSION APPARATUS, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/057735 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -55 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18057735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/057735
SEMICONDUCTOR DEVICE, POWER CONVERSION APPARATUS, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Nov 20, 2022 Pending
Array ( [id] => 18555328 [patent_doc_number] => 20230253345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => SEMICONDUCTOR DEVICE, POWER CONVERSION APPARATUS, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/057735 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -55 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18057735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/057735
SEMICONDUCTOR DEVICE, POWER CONVERSION APPARATUS, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Nov 20, 2022 Pending
Array ( [id] => 18586204 [patent_doc_number] => 20230268469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/969974 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17969974 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969974
DISPLAY DEVICE Oct 19, 2022 Pending
Array ( [id] => 18586204 [patent_doc_number] => 20230268469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/969974 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17969974 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969974
DISPLAY DEVICE Oct 19, 2022 Pending
Array ( [id] => 18586204 [patent_doc_number] => 20230268469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/969974 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17969974 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969974
DISPLAY DEVICE Oct 19, 2022 Pending
Array ( [id] => 18541023 [patent_doc_number] => 20230246135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 17/944285 [patent_app_country] => US [patent_app_date] => 2022-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13757 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17944285 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/944285
DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME Sep 13, 2022 Pending
Array ( [id] => 18097564 [patent_doc_number] => 20220415905 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => SEMICONDUCTOR DEVICES AND METHODS OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 17/929513 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23135 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17929513 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/929513
SEMICONDUCTOR DEVICES AND METHODS OF MANUFACTURING THE SAME Sep 1, 2022 Pending
Array ( [id] => 18631949 [patent_doc_number] => 20230290854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 17/901304 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9062 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901304 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901304
SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME Aug 31, 2022 Pending
Array ( [id] => 18207769 [patent_doc_number] => 20230054026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => NITRIDE-BASED HIGH ELECTRON MOBILITY TRANSISTOR AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/891832 [patent_app_country] => US [patent_app_date] => 2022-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17891832 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/891832
NITRIDE-BASED HIGH ELECTRON MOBILITY TRANSISTOR AND MANUFACTURING METHOD THEREOF Aug 18, 2022 Pending
Array ( [id] => 18061996 [patent_doc_number] => 20220393083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => LIGHT-EMITTING DEVICE WITH IMPROVED FLEXURAL RESISTANCE AND ELECTRICAL CONNECTION BETWEEN LAYERS, PRODUCTION METHOD THEREFOR, AND DEVICE USING LIGHT-EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/889137 [patent_app_country] => US [patent_app_date] => 2022-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22503 [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] => 17889137 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889137
LIGHT-EMITTING DEVICE WITH IMPROVED FLEXURAL RESISTANCE AND ELECTRICAL CONNECTION BETWEEN LAYERS, PRODUCTION METHOD THEREFOR, AND DEVICE USING LIGHT-EMITTING DEVICE Aug 15, 2022 Abandoned
Array ( [id] => 19063251 [patent_doc_number] => 11942504 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Stack chip air gap heat insulator [patent_app_type] => utility [patent_app_number] => 17/819821 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5930 [patent_no_of_claims] => 13 [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] => 17819821 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/819821
Stack chip air gap heat insulator Aug 14, 2022 Issued
Array ( [id] => 18222520 [patent_doc_number] => 20230061514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => SUPERJUNCTION SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 17/819600 [patent_app_country] => US [patent_app_date] => 2022-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17819600 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/819600
SUPERJUNCTION SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME Aug 11, 2022 Abandoned
Array ( [id] => 18906217 [patent_doc_number] => 20240021702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => HIGH ELECTRON MOBILITY TRANSISTOR AND FABRICATING METHOD OF THE SAME [patent_app_type] => utility [patent_app_number] => 17/885574 [patent_app_country] => US [patent_app_date] => 2022-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2743 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17885574 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/885574
HIGH ELECTRON MOBILITY TRANSISTOR AND FABRICATING METHOD OF THE SAME Aug 10, 2022 Pending
Array ( [id] => 18906006 [patent_doc_number] => 20240021491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD OF FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 17/866532 [patent_app_country] => US [patent_app_date] => 2022-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17866532 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866532
SEMICONDUCTOR DEVICE AND METHOD OF FORMING THE SAME Jul 16, 2022 Pending
Array ( [id] => 18124392 [patent_doc_number] => 20230010004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => Power Semiconductor Device and Method of Producing a Power Semiconductor Device [patent_app_type] => utility [patent_app_number] => 17/859453 [patent_app_country] => US [patent_app_date] => 2022-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17859453 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/859453
Power Semiconductor Device and Method of Producing a Power Semiconductor Device Jul 6, 2022 Pending
Array ( [id] => 17933491 [patent_doc_number] => 20220328617 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => FIELD EFFECT TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 17/850268 [patent_app_country] => US [patent_app_date] => 2022-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17850268 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/850268
FIELD EFFECT TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME Jun 26, 2022 Abandoned
Array ( [id] => 18935591 [patent_doc_number] => 11888036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Method for setting a nitrogen concentration of a silicon epitaxial film in manufacturing an epitaxial silicon wafer [patent_app_type] => utility [patent_app_number] => 17/848919 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5024 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 17848919 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/848919
Method for setting a nitrogen concentration of a silicon epitaxial film in manufacturing an epitaxial silicon wafer Jun 23, 2022 Issued
Array ( [id] => 18112923 [patent_doc_number] => 20230005803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => METHOD OF MANUFACTURING SEMICONDUCTOR DEVICES AND CORRESPONDING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/847824 [patent_app_country] => US [patent_app_date] => 2022-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17847824 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/847824
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICES AND CORRESPONDING SEMICONDUCTOR DEVICE Jun 22, 2022 Pending
Array ( [id] => 18833858 [patent_doc_number] => 20230402385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => GRAPHENE-CLAD METAL INTERCONNECT [patent_app_type] => utility [patent_app_number] => 17/837664 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17837664 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/837664
GRAPHENE-CLAD METAL INTERCONNECT Jun 9, 2022 Pending
Array ( [id] => 18833858 [patent_doc_number] => 20230402385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => GRAPHENE-CLAD METAL INTERCONNECT [patent_app_type] => utility [patent_app_number] => 17/837664 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17837664 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/837664
GRAPHENE-CLAD METAL INTERCONNECT Jun 9, 2022 Pending
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