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] => 17549777 [patent_doc_number] => 20220121119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => INFRARED RADIATION SENSITIVE POSITIVE-WORKING IMAGEABLE ELEMENT AND METHOD FOR FORMING IMAGE USING SAME [patent_app_type] => utility [patent_app_number] => 17/432809 [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] => 9945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17432809 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432809
INFRARED RADIATION SENSITIVE POSITIVE-WORKING IMAGEABLE ELEMENT AND METHOD FOR FORMING IMAGE USING SAME Jan 21, 2021 Abandoned
Array ( [id] => 17924236 [patent_doc_number] => 11467483 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-11 [patent_title] => Photographic color image using black and while emulsion [patent_app_type] => utility [patent_app_number] => 17/154933 [patent_app_country] => US [patent_app_date] => 2021-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5031 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17154933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/154933
Photographic color image using black and while emulsion Jan 20, 2021 Issued
Array ( [id] => 18363855 [patent_doc_number] => 20230145446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => LIGHT-SENSITIVE RESIN ORIGINAL PRINTING PLATE FOR LETTERPRESS PRINTING [patent_app_type] => utility [patent_app_number] => 17/913610 [patent_app_country] => US [patent_app_date] => 2021-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17913610 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/913610
LIGHT-SENSITIVE RESIN ORIGINAL PRINTING PLATE FOR LETTERPRESS PRINTING Jan 17, 2021 Pending
Array ( [id] => 17143380 [patent_doc_number] => 20210311393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => PHOTORESIST COMPOSITION AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/150317 [patent_app_country] => US [patent_app_date] => 2021-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17150317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/150317
Photoresist composition and method of manufacturing a semiconductor device Jan 14, 2021 Issued
Array ( [id] => 16826017 [patent_doc_number] => 20210141310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => PHOTOSENSITIVE COMPOSITION AND METHOD OF MANUFACTURING GRAPHENE DEVICE [patent_app_type] => utility [patent_app_number] => 17/148849 [patent_app_country] => US [patent_app_date] => 2021-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17148849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/148849
PHOTOSENSITIVE COMPOSITION AND METHOD OF MANUFACTURING GRAPHENE DEVICE Jan 13, 2021 Abandoned
Array ( [id] => 17274414 [patent_doc_number] => 20210380612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => PHOTORESIST COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 17/144242 [patent_app_country] => US [patent_app_date] => 2021-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17144242 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/144242
PHOTORESIST COMPOSITIONS Jan 7, 2021 Abandoned
Array ( [id] => 19949736 [patent_doc_number] => 12321097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Method of removing photoresist, laminate, method of forming metallic pattern, polyimide resin and stripper [patent_app_type] => utility [patent_app_number] => 17/141228 [patent_app_country] => US [patent_app_date] => 2021-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1866 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17141228 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/141228
Method of removing photoresist, laminate, method of forming metallic pattern, polyimide resin and stripper Jan 4, 2021 Issued
Array ( [id] => 18531432 [patent_doc_number] => 20230236504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => COMPOUND, BINDER RESIN, NEGATIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION, AND DISPLAY DEVICE COMPRISING BLACK BANK FORMED USING SAME [patent_app_type] => utility [patent_app_number] => 17/769477 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17769477 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/769477
COMPOUND, BINDER RESIN, NEGATIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION, AND DISPLAY DEVICE COMPRISING BLACK BANK FORMED USING SAME Dec 16, 2020 Pending
Array ( [id] => 18184577 [patent_doc_number] => 20230045307 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => REPLACEMENT LIQUID OF LIQUID FILLING BETWEEN RESIST PATTERNS, AND METHOD FOR PRODUCING RESIST PATTERNS USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/777638 [patent_app_country] => US [patent_app_date] => 2020-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8906 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17777638 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/777638
REPLACEMENT LIQUID OF LIQUID FILLING BETWEEN RESIST PATTERNS, AND METHOD FOR PRODUCING RESIST PATTERNS USING THE SAME Nov 15, 2020 Pending
Array ( [id] => 17991621 [patent_doc_number] => 20220357658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => DNQ-TYPE PHOTORESIST COMPOSITION INCLUDING ALKALI-SOLUBLE ACRYLIC RESINS [patent_app_type] => utility [patent_app_number] => 17/762589 [patent_app_country] => US [patent_app_date] => 2020-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 17762589 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/762589
DNQ-type photoresist composition including alkali-soluble acrylic resins Nov 11, 2020 Issued
Array ( [id] => 18163601 [patent_doc_number] => 20230030194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN FILM, PHOTOSENSITIVE DRY FILM, PATTERNING PROCESS, AND LIGHT EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/778203 [patent_app_country] => US [patent_app_date] => 2020-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17778203 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/778203
Photosensitive resin composition, photosensitive resin film, photosensitive dry film, patterning process, and light emitting device Nov 11, 2020 Issued
Array ( [id] => 19044994 [patent_doc_number] => 11934101 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Photoresist composition and method of forming photoresist pattern [patent_app_type] => utility [patent_app_number] => 17/094706 [patent_app_country] => US [patent_app_date] => 2020-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 22 [patent_no_of_words] => 9820 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17094706 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/094706
Photoresist composition and method of forming photoresist pattern Nov 9, 2020 Issued
Array ( [id] => 18006665 [patent_doc_number] => 20220365431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => BINDER RESIN, NEGATIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION, AND DISPLAY DEVICE COMPRISING BLACK BANK FORMED USING SAME [patent_app_type] => utility [patent_app_number] => 17/640934 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17640934 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/640934
Binder resin, negative-type photosensitive resin composition, and display device comprising black bank formed using same Nov 3, 2020 Issued
Array ( [id] => 17961724 [patent_doc_number] => 20220342305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => DUAL-CURE PHASE-SEPARATION TYPE PHOTOSENSITIVE RESIN COMPOSITION FOR CONTINUOUS 3D PRINTING WITH HIGH PRECISION [patent_app_type] => utility [patent_app_number] => 17/433946 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17433946 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/433946
Dual-cure phase-separation type photosensitive resin composition for continuous 3D printing with high precision Nov 3, 2020 Issued
Array ( [id] => 18079094 [patent_doc_number] => 20220404706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => CHEMICAL-RESISTANT POLYVALENT CARBOXYLIC ACID-CONTAINING PROTECTIVE FILM [patent_app_type] => utility [patent_app_number] => 17/765722 [patent_app_country] => US [patent_app_date] => 2020-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8116 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17765722 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/765722
CHEMICAL-RESISTANT POLYVALENT CARBOXYLIC ACID-CONTAINING PROTECTIVE FILM Oct 26, 2020 Pending
Array ( [id] => 19099388 [patent_doc_number] => 20240118616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => POSITIVE PHOTOSENSITIVE RESIN COMPOSITION AND DISPLAY DEVICE USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/767873 [patent_app_country] => US [patent_app_date] => 2020-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17767873 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/767873
Positive photosensitive resin composition and display device using the same Oct 7, 2020 Issued
Array ( [id] => 19136711 [patent_doc_number] => 11971660 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Cross-linked polymer for resist [patent_app_type] => utility [patent_app_number] => 17/310865 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6203 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17310865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/310865
Cross-linked polymer for resist Sep 29, 2020 Issued
Array ( [id] => 19941846 [patent_doc_number] => 12313973 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Insulating layer for multilayer printed circuit board, multilayer printed circuit board comprising same, and method for producing same [patent_app_type] => utility [patent_app_number] => 17/632815 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 5832 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17632815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/632815
Insulating layer for multilayer printed circuit board, multilayer printed circuit board comprising same, and method for producing same Sep 24, 2020 Issued
Array ( [id] => 18037938 [patent_doc_number] => 20220382154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION, DRY FILM, CURED MATERIAL AND ELECTRONIC COMPONENT [patent_app_type] => utility [patent_app_number] => 17/766101 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17766101 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/766101
PHOTOSENSITIVE RESIN COMPOSITION, DRY FILM, CURED MATERIAL AND ELECTRONIC COMPONENT Sep 16, 2020 Abandoned
Array ( [id] => 16542846 [patent_doc_number] => 20200409261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => COMPOUND, RESIN, RESIST COMPOSITION OR RADIATION-SENSITIVE COMPOSITION, RESIST PATTERN FORMATION METHOD, METHOD FOR PRODUCING AMORPHOUS FILM, UNDERLAYER FILM FORMING MATERIAL FOR LITHOGRAPHY, COMPOSITION FOR UNDERLAYER FILM FORMATION FOR LITHOGRAPHY, METHOD FOR FORMING CIRCUIT PATTERN, AND PURIFICATION METHOD [patent_app_type] => utility [patent_app_number] => 17/020532 [patent_app_country] => US [patent_app_date] => 2020-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 38463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17020532 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/020532
Compound, resin, resist composition or radiation-sensitive composition, resist pattern formation method, method for producing amorphous film, underlayer film forming material for lithography, composition for underlayer film formation for lithography, method for forming circuit pattern, and purification method Sep 13, 2020 Issued
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