Search

John S. Y. Chu

Examiner (ID: 19076, Phone: (571)272-1329 , Office: P/1722 )

Most Active Art Unit
1752
Art Unit(s)
1722, 1113, 1795, 1737, 1506, 1752
Total Applications
2705
Issued Applications
2097
Pending Applications
158
Abandoned Applications
462

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18322240 [patent_doc_number] => 20230120368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => HARDMASK COMPOSITION, HARDMASK LAYER, AND METHOD OF FORMING PATTERNS [patent_app_type] => utility [patent_app_number] => 17/902167 [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] => 7062 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17902167 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902167
HARDMASK COMPOSITION, HARDMASK LAYER, AND METHOD OF FORMING PATTERNS Sep 1, 2022 Pending
Array ( [id] => 18177472 [patent_doc_number] => 20230038201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => TRANSFER FILM, PHOTOSENSITIVE MATERIAL, PATTERN FORMING METHOD, MANUFACTURING METHOD OF CIRCUIT BOARD, AND MANUFACTURING METHOD OF TOUCH PANEL [patent_app_type] => utility [patent_app_number] => 17/902404 [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] => 103879 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17902404 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902404
TRANSFER FILM, PHOTOSENSITIVE MATERIAL, PATTERN FORMING METHOD, MANUFACTURING METHOD OF CIRCUIT BOARD, AND MANUFACTURING METHOD OF TOUCH PANEL Sep 1, 2022 Pending
Array ( [id] => 18286314 [patent_doc_number] => 20230101786 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => HARDMASK COMPOSITION, HARDMASK LAYER, AND METHOD OF FORMING PATTERNS [patent_app_type] => utility [patent_app_number] => 17/893458 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 407 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17893458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893458
HARDMASK COMPOSITION, HARDMASK LAYER, AND METHOD OF FORMING PATTERNS Aug 22, 2022 Abandoned
Array ( [id] => 18066734 [patent_doc_number] => 20220397822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => LIGNIN BASED LASER LITHOGRAPHY PROCESS FOR FABRICATING 3D GRAPHENE ELECTRODE AND METHOD [patent_app_type] => utility [patent_app_number] => 17/887893 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6309 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17887893 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/887893
LIGNIN BASED LASER LITHOGRAPHY PROCESS FOR FABRICATING 3D GRAPHENE ELECTRODE AND METHOD Aug 14, 2022 Abandoned
Array ( [id] => 18077504 [patent_doc_number] => 20220403116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => SILICON-CONTAINING COMPOSITION AND METHOD OF PRODUCING SEMICONDUCTOR SUBSTRATE [patent_app_type] => utility [patent_app_number] => 17/887670 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17887670 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/887670
Silicon-containing composition and method of producing semiconductor substrate Aug 14, 2022 Issued
Array ( [id] => 18077504 [patent_doc_number] => 20220403116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => SILICON-CONTAINING COMPOSITION AND METHOD OF PRODUCING SEMICONDUCTOR SUBSTRATE [patent_app_type] => utility [patent_app_number] => 17/887670 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11375 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17887670 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/887670
Silicon-containing composition and method of producing semiconductor substrate Aug 14, 2022 Issued
Array ( [id] => 18284855 [patent_doc_number] => 20230100327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => COMPOSITION, DRIED PRODUCT, CURED SUBSTANCE, TRANSFER FILM, MANUFACTURING METHOD OF TRANSFER FILM, AND PATTERN FORMING METHOD [patent_app_type] => utility [patent_app_number] => 17/873826 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 47653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17873826 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/873826
COMPOSITION, DRIED PRODUCT, CURED SUBSTANCE, TRANSFER FILM, MANUFACTURING METHOD OF TRANSFER FILM, AND PATTERN FORMING METHOD Jul 25, 2022 Abandoned
Array ( [id] => 18037939 [patent_doc_number] => 20220382155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => CONDUCTIVE COMPOSITE, RESIST COATING MATERIAL, RESIST, AND METHOD FOR FORMING RESIST PATTERN [patent_app_type] => utility [patent_app_number] => 17/814718 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814718 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814718
CONDUCTIVE COMPOSITE, RESIST COATING MATERIAL, RESIST, AND METHOD FOR FORMING RESIST PATTERN Jul 24, 2022 Pending
Array ( [id] => 18643276 [patent_doc_number] => 11767336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Organometallic cluster photoresists for EUV lithography [patent_app_type] => utility [patent_app_number] => 17/870324 [patent_app_country] => US [patent_app_date] => 2022-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7639 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17870324 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/870324
Organometallic cluster photoresists for EUV lithography Jul 20, 2022 Issued
Array ( [id] => 18008410 [patent_doc_number] => 20220367177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => Semiconductor Devices and Methods of Manufacturing [patent_app_type] => utility [patent_app_number] => 17/869591 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14488 [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] => 17869591 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869591
Semiconductor devices and methods of manufacturing Jul 19, 2022 Issued
Array ( [id] => 18287617 [patent_doc_number] => 20230103089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => RESIST UNDERLAYER COMPOSITION AND METHOD OF FORMING PATTERNS USING THE COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/868563 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17868563 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/868563
RESIST UNDERLAYER COMPOSITION AND METHOD OF FORMING PATTERNS USING THE COMPOSITION Jul 18, 2022 Pending
Array ( [id] => 20827823 [patent_doc_number] => 12681385 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => Photosensitive resin composition and manufacturing method of display device using the same [patent_app_type] => utility [patent_app_number] => 17/867443 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 9909 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17867443 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867443
Photosensitive resin composition and manufacturing method of display device using the same Jul 17, 2022 Issued
Array ( [id] => 18312847 [patent_doc_number] => 20230116747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => NEGATIVE RESIST COMPOSITION AND PATTERN FORMING PROCESS [patent_app_type] => utility [patent_app_number] => 17/864748 [patent_app_country] => US [patent_app_date] => 2022-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8225 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17864748 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/864748
Negative resist composition and pattern forming process Jul 13, 2022 Issued
Array ( [id] => 19827473 [patent_doc_number] => 12248251 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Silicon-containing resist underlayer film-forming composition including organic group having ammonium group [patent_app_type] => utility [patent_app_number] => 17/862932 [patent_app_country] => US [patent_app_date] => 2022-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18086 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17862932 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/862932
Silicon-containing resist underlayer film-forming composition including organic group having ammonium group Jul 11, 2022 Issued
Array ( [id] => 18297435 [patent_doc_number] => 20230107121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => POSITIVE RESIST MATERIAL AND PATTERNING PROCESS [patent_app_type] => utility [patent_app_number] => 17/859634 [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] => 16499 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17859634 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/859634
POSITIVE RESIST MATERIAL AND PATTERNING PROCESS Jul 6, 2022 Pending
Array ( [id] => 19898992 [patent_doc_number] => 12276913 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Organotin oxide hydroxide patterning compositions, precursors, and patterning [patent_app_type] => utility [patent_app_number] => 17/858172 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 14515 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17858172 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858172
Organotin oxide hydroxide patterning compositions, precursors, and patterning Jul 5, 2022 Issued
Array ( [id] => 18177381 [patent_doc_number] => 20230038110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => COMPOSITION FOR REMOVING EDGE BEADS FROM METAL CONTAINING RESISTS, AND METHOD OF FORMING PATTERNS INCLUDING STEP OF REMOVING EDGE BEADS USING THE COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/858921 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17858921 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858921
COMPOSITION FOR REMOVING EDGE BEADS FROM METAL CONTAINING RESISTS, AND METHOD OF FORMING PATTERNS INCLUDING STEP OF REMOVING EDGE BEADS USING THE COMPOSITION Jul 5, 2022 Pending
Array ( [id] => 18176834 [patent_doc_number] => 20230037563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => METAL CONTAINING PHOTORESIST DEVELOPER COMPOSITION, AND METHOD OF FORMING PATTERNS INCLUDING DEVELOPING STEP USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/858924 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5262 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17858924 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858924
METAL CONTAINING PHOTORESIST DEVELOPER COMPOSITION, AND METHOD OF FORMING PATTERNS INCLUDING DEVELOPING STEP USING THE SAME Jul 5, 2022 Pending
Array ( [id] => 18621890 [patent_doc_number] => 11754924 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Organotin oxide hydroxide patterning compositions, precursors, and patterning [patent_app_type] => utility [patent_app_number] => 17/858129 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 18601 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17858129 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858129
Organotin oxide hydroxide patterning compositions, precursors, and patterning Jul 5, 2022 Issued
Array ( [id] => 18181104 [patent_doc_number] => 20230041833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Polybenzoxazole Precursor and Application Thereof [patent_app_type] => utility [patent_app_number] => 17/857827 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7498 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17857827 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857827
Polybenzoxazole precursor and application thereof Jul 4, 2022 Issued
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