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] => 19204336 [patent_doc_number] => 20240176235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => RESIST COMPOSITION AND PATTERN FORMING PROCESS [patent_app_type] => utility [patent_app_number] => 18/371016 [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] => 12939 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18371016 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/371016
RESIST COMPOSITION AND PATTERN FORMING PROCESS Sep 20, 2023 Pending
Array ( [id] => 19810805 [patent_doc_number] => 12242193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Coating compositions for use with an overcoated photoresist [patent_app_type] => utility [patent_app_number] => 18/464695 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7938 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464695 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464695
Coating compositions for use with an overcoated photoresist Sep 10, 2023 Issued
Array ( [id] => 19068940 [patent_doc_number] => 20240103366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN LAYER USING THE SAME, AND COLOR FILTER [patent_app_type] => utility [patent_app_number] => 18/244370 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8213 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18244370 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/244370
PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN LAYER USING THE SAME, AND COLOR FILTER Sep 10, 2023 Pending
Array ( [id] => 19346886 [patent_doc_number] => 20240255849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => RESIST COMPOUND FOR PHOTOLITHOGRAPHY, METHOD FOR FORMING THE SAME, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICES USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/463646 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18463646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463646
RESIST COMPOUND FOR PHOTOLITHOGRAPHY, METHOD FOR FORMING THE SAME, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICES USING THE SAME Sep 7, 2023 Pending
Array ( [id] => 18810348 [patent_doc_number] => 20230384683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => PHOTORESIST WITH POLAR-ACID-LABILE-GROUP [patent_app_type] => utility [patent_app_number] => 18/447441 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4259 [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] => 18447441 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447441
Photoresist with polar-acid-labile-group Aug 9, 2023 Issued
Array ( [id] => 18810335 [patent_doc_number] => 20230384670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => PHOTORESIST COMPOSITION AND METHOD OF FORMING PHOTORESIST PATTERN [patent_app_type] => utility [patent_app_number] => 18/232225 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9838 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18232225 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/232225
PHOTORESIST COMPOSITION AND METHOD OF FORMING PHOTORESIST PATTERN Aug 8, 2023 Pending
Array ( [id] => 18810338 [patent_doc_number] => 20230384673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => PHOTORESIST COMPOSITION AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/232220 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18232220 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/232220
PHOTORESIST COMPOSITION AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE Aug 8, 2023 Pending
Array ( [id] => 19551798 [patent_doc_number] => 12135502 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Resin, photoresist composition, and method of manufacturing semiconductor device [patent_app_type] => utility [patent_app_number] => 18/231444 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 77 [patent_no_of_words] => 13024 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231444 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231444
Resin, photoresist composition, and method of manufacturing semiconductor device Aug 7, 2023 Issued
Array ( [id] => 20109741 [patent_doc_number] => 12360456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => EUV metallic resist performance enhancement via additives [patent_app_type] => utility [patent_app_number] => 18/365302 [patent_app_country] => US [patent_app_date] => 2023-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 1858 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365302 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/365302
EUV metallic resist performance enhancement via additives Aug 3, 2023 Issued
Array ( [id] => 19099387 [patent_doc_number] => 20240118615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => RESIST COMPOSITION AND PATTERN FORMING PROCESS [patent_app_type] => utility [patent_app_number] => 18/229880 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13443 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18229880 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/229880
RESIST COMPOSITION AND PATTERN FORMING PROCESS Aug 2, 2023 Pending
Array ( [id] => 20789801 [patent_doc_number] => 12663714 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-23 [patent_title] => Resist composition and pattern forming process [patent_app_type] => utility [patent_app_number] => 18/226436 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5443 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 18226436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/226436
Resist composition and pattern forming process Jul 25, 2023 Issued
Array ( [id] => 19327284 [patent_doc_number] => 12044966 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Photoresist for semiconductor fabrication [patent_app_type] => utility [patent_app_number] => 18/355641 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6931 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355641 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/355641
Photoresist for semiconductor fabrication Jul 19, 2023 Issued
Array ( [id] => 19710865 [patent_doc_number] => 20250021007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => PHOTORESIST DEVELOPER SOLUTIONS CONTAINING LOW FOAM DISPERSING COMPOSITIONS AND QUANTIFICATION METHODS [patent_app_type] => utility [patent_app_number] => 18/221889 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9477 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18221889 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221889
PHOTORESIST DEVELOPER SOLUTIONS CONTAINING LOW FOAM DISPERSING COMPOSITIONS AND QUANTIFICATION METHODS Jul 13, 2023 Pending
Array ( [id] => 18741311 [patent_doc_number] => 20230350292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION, DRY FILM USING SAME, PRINTED WIRING BOARD, AND PRINTED WIRING BOARD MANUFACTURING METHOD [patent_app_type] => utility [patent_app_number] => 18/220308 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16337 [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] => 18220308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220308
Photosensitive resin composition, dry film using same, printed wiring board, and printed wiring board manufacturing method Jul 10, 2023 Issued
Array ( [id] => 18904297 [patent_doc_number] => 20240019782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => Composition For Forming Metal Oxide Film, Patterning Process, And Method For Forming Metal Oxide Film [patent_app_type] => utility [patent_app_number] => 18/348194 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30790 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348194 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348194
Composition For Forming Metal Oxide Film, Patterning Process, And Method For Forming Metal Oxide Film Jul 5, 2023 Pending
Array ( [id] => 18880928 [patent_doc_number] => 20240004297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => COMPOSITION AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/218193 [patent_app_country] => US [patent_app_date] => 2023-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11718 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 406 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18218193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/218193
COMPOSITION AND METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE Jul 4, 2023 Pending
Array ( [id] => 18727482 [patent_doc_number] => 20230341772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => RADIATION-SENSITIVE RESIN COMPOSITION AND METHOD FOR FORMING RESIST PATTERN [patent_app_type] => utility [patent_app_number] => 18/215863 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 654 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18215863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/215863
Radiation-sensitive resin composition and method for forming resist pattern Jun 28, 2023 Issued
Array ( [id] => 18863724 [patent_doc_number] => 20230418160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION, PROTECTIVE LAYER AND METHOD FOR PATTERN FORMATION [patent_app_type] => utility [patent_app_number] => 18/342754 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18342754 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/342754
PHOTOSENSITIVE RESIN COMPOSITION, PROTECTIVE LAYER AND METHOD FOR PATTERN FORMATION Jun 27, 2023 Pending
Array ( [id] => 18710849 [patent_doc_number] => 20230333478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => PATTERN FORMING METHOD, METHOD FOR PRODUCING ELECTRONIC DEVICE, AND KIT [patent_app_type] => utility [patent_app_number] => 18/214200 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42188 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18214200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214200
PATTERN FORMING METHOD, METHOD FOR PRODUCING ELECTRONIC DEVICE, AND KIT Jun 25, 2023 Pending
Array ( [id] => 19963066 [patent_doc_number] => 12332565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Thermosetting iodine- and silicon-containing material, composition containing the material for forming resist underlayer film for EUV lithography, and patterning process [patent_app_type] => utility [patent_app_number] => 18/340442 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 13988 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18340442 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340442
Thermosetting iodine- and silicon-containing material, composition containing the material for forming resist underlayer film for EUV lithography, and patterning process Jun 22, 2023 Issued
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