Search

Li Wu Chang

Examiner (ID: 10504, Phone: (571)270-3809 , Office: P/2124 )

Most Active Art Unit
2124
Art Unit(s)
2129, 2124, 2142
Total Applications
887
Issued Applications
744
Pending Applications
44
Abandoned Applications
120

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18759736 [patent_doc_number] => 20230363226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => ORGANIC ELECTROLUMINESCENT DEVICES [patent_app_type] => utility [patent_app_number] => 18/143661 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14183 [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] => 18143661 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143661
ORGANIC ELECTROLUMINESCENT DEVICES May 4, 2023 Pending
Array ( [id] => 18601878 [patent_doc_number] => 20230276684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/313198 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8741 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18313198 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/313198
Display device May 4, 2023 Issued
Array ( [id] => 20435004 [patent_doc_number] => 12506040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Packaging substrate, semiconductor package, packaging substrate preparation method, and semiconductor package preparation method [patent_app_type] => utility [patent_app_number] => 18/013365 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 1294 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18013365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013365
Packaging substrate, semiconductor package, packaging substrate preparation method, and semiconductor package preparation method Aug 29, 2022 Issued
Array ( [id] => 18943545 [patent_doc_number] => 20240038684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => SEMICONDUCTOR STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/889389 [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] => 4094 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889389 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889389
Semiconductor structure Aug 15, 2022 Issued
Array ( [id] => 18122590 [patent_doc_number] => 20230008193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => QUANTUM DEVICE [patent_app_type] => utility [patent_app_number] => 17/850052 [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] => 17768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17850052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/850052
QUANTUM DEVICE Jun 26, 2022 Issued
Array ( [id] => 17795791 [patent_doc_number] => 20220254883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => PROCESS FOR FABRICATING SILICON NANOSTRUCTURES [patent_app_type] => utility [patent_app_number] => 17/660854 [patent_app_country] => US [patent_app_date] => 2022-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17660854 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/660854
PROCESS FOR FABRICATING SILICON NANOSTRUCTURES Apr 26, 2022 Abandoned
Array ( [id] => 18711725 [patent_doc_number] => 20230334354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => ANTI-FUSE AND FUSE STRUCTURES FOR IMPROVING THE FUNCTIONALITY OF QUBIT CIRCUITS [patent_app_type] => utility [patent_app_number] => 17/722301 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17722301 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/722301
Anti-fuse and fuse structures for improving the functionality of qubit circuits Apr 14, 2022 Issued
Array ( [id] => 18159053 [patent_doc_number] => 20230025645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => Fin Field-Effect Transistor Device and Method [patent_app_type] => utility [patent_app_number] => 17/592995 [patent_app_country] => US [patent_app_date] => 2022-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17592995 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/592995
Fin field-effect transistor device and method Feb 3, 2022 Issued
Array ( [id] => 17917453 [patent_doc_number] => 20220319849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => MASK PATTERN AND METHOD FOR MANUFACTURING SAME, SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME [patent_app_type] => utility [patent_app_number] => 17/498803 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4605 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17498803 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/498803
MASK PATTERN AND METHOD FOR MANUFACTURING SAME, SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING SAME Oct 11, 2021 Abandoned
Array ( [id] => 17448137 [patent_doc_number] => 20220068642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING DEVICE [patent_app_type] => utility [patent_app_number] => 17/411089 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7171 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17411089 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/411089
SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING DEVICE Aug 24, 2021 Abandoned
Array ( [id] => 17599725 [patent_doc_number] => 20220149299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => PHOTOELECTRIC CONVERSION ELEMENT, COATING LIQUID, COATING METHOD, AND COATING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/404058 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7133 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404058 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404058
PHOTOELECTRIC CONVERSION ELEMENT, COATING LIQUID, COATING METHOD, AND COATING APPARATUS Aug 16, 2021 Abandoned
Array ( [id] => 19565856 [patent_doc_number] => 12140622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Breakdown voltage detection [patent_app_type] => utility [patent_app_number] => 17/178599 [patent_app_country] => US [patent_app_date] => 2021-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2082 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17178599 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/178599
Breakdown voltage detection Feb 17, 2021 Issued
Array ( [id] => 18198365 [patent_doc_number] => 20230051884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => PHONONIC MATERIAL AND METHOD FOR PRODUCING SAME [patent_app_type] => utility [patent_app_number] => 17/789071 [patent_app_country] => US [patent_app_date] => 2020-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17789071 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/789071
PHONONIC MATERIAL AND METHOD FOR PRODUCING SAME Dec 22, 2020 Pending
Array ( [id] => 16936386 [patent_doc_number] => 20210202275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => TOOLS AND METHODS FOR SUBTRACTIVE METAL PATTERNING [patent_app_type] => utility [patent_app_number] => 16/950630 [patent_app_country] => US [patent_app_date] => 2020-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11189 [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] => 16950630 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/950630
TOOLS AND METHODS FOR SUBTRACTIVE METAL PATTERNING Nov 16, 2020 Abandoned
Array ( [id] => 16348200 [patent_doc_number] => 20200312851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 16/898573 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11797 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16898573 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/898573
Semiconductor device and method for manufacturing semiconductor device Jun 10, 2020 Issued
Array ( [id] => 17551898 [patent_doc_number] => 20220123240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => High Sensitivity Stable Sensors And Methods For Manufacturing Same [patent_app_type] => utility [patent_app_number] => 17/429334 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8473 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17429334 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/429334
High sensitivity stable sensors and methods for manufacturing same Feb 6, 2020 Issued
Array ( [id] => 17353252 [patent_doc_number] => 11227899 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-18 [patent_title] => Display device [patent_app_type] => utility [patent_app_number] => 16/683171 [patent_app_country] => US [patent_app_date] => 2019-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4543 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16683171 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/683171
Display device Nov 12, 2019 Issued
Array ( [id] => 16390808 [patent_doc_number] => 20200331749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-22 [patent_title] => MEMS DEVICE AND FABRICATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/663314 [patent_app_country] => US [patent_app_date] => 2019-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5864 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16663314 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/663314
MEMS device and fabrication method thereof Oct 23, 2019 Issued
Array ( [id] => 17081853 [patent_doc_number] => 20210276859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => A MEMS Package [patent_app_type] => utility [patent_app_number] => 17/258026 [patent_app_country] => US [patent_app_date] => 2019-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17258026 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/258026
A MEMS Package Sep 25, 2019 Abandoned
Array ( [id] => 16746592 [patent_doc_number] => 10971597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-06 [patent_title] => Self-aligned base and emitter for a bipolar junction transistor [patent_app_type] => utility [patent_app_number] => 16/551061 [patent_app_country] => US [patent_app_date] => 2019-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4226 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16551061 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/551061
Self-aligned base and emitter for a bipolar junction transistor Aug 25, 2019 Issued
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