Search

John S. Y. Chu

Examiner (ID: 16993, Phone: (571)272-1329 , Office: P/1722 )

Most Active Art Unit
1752
Art Unit(s)
1795, 1752, 1506, 1722, 1113, 1737
Total Applications
2694
Issued Applications
2094
Pending Applications
160
Abandoned Applications
459

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18280840 [patent_doc_number] => 20230096312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => RESIST COMPOSITION AND METHOD FOR USING RESIST COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/801462 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12266 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17801462 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/801462
RESIST COMPOSITION AND METHOD FOR USING RESIST COMPOSITION Feb 16, 2021 Pending
Array ( [id] => 18561162 [patent_doc_number] => 11726405 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Photoresist for semiconductor fabrication [patent_app_type] => utility [patent_app_number] => 17/177008 [patent_app_country] => US [patent_app_date] => 2021-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6913 [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] => 17177008 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/177008
Photoresist for semiconductor fabrication Feb 15, 2021 Issued
Array ( [id] => 16902711 [patent_doc_number] => 20210181627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => PATTERN-FORMING METHOD AND RADIATION-SENSITIVE COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/176263 [patent_app_country] => US [patent_app_date] => 2021-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7084 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17176263 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/176263
PATTERN-FORMING METHOD AND RADIATION-SENSITIVE COMPOSITION Feb 15, 2021 Abandoned
Array ( [id] => 18591662 [patent_doc_number] => 11740555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Resist composition and method for producing resist pattern [patent_app_type] => utility [patent_app_number] => 17/175957 [patent_app_country] => US [patent_app_date] => 2021-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30028 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17175957 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/175957
Resist composition and method for producing resist pattern Feb 14, 2021 Issued
Array ( [id] => 18335965 [patent_doc_number] => 20230127914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => RESIST PATTERN FORMATION METHOD [patent_app_type] => utility [patent_app_number] => 17/759396 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17759396 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/759396
RESIST PATTERN FORMATION METHOD Feb 8, 2021 Pending
Array ( [id] => 17053978 [patent_doc_number] => 20210263412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => RESIST COMPOSITION FOR FORMING THICK-FILM RESIST FILM, THICK-FILM RESIST LAMINATE, AND RESIST PATTERN FORMING METHOD [patent_app_type] => utility [patent_app_number] => 17/169959 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17169959 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/169959
RESIST COMPOSITION FOR FORMING THICK-FILM RESIST FILM, THICK-FILM RESIST LAMINATE, AND RESIST PATTERN FORMING METHOD Feb 7, 2021 Abandoned
Array ( [id] => 17068948 [patent_doc_number] => 20210271164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => PHOTORESIST COMPOSITION AND METHOD OF MANUFACTURING A SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/168145 [patent_app_country] => US [patent_app_date] => 2021-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10500 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17168145 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/168145
Photoresist composition and method of manufacturing a semiconductor device Feb 3, 2021 Issued
Array ( [id] => 16856490 [patent_doc_number] => 20210157235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => COMPOSITION, PATTERN-FORMING METHOD, AND COMPOUND-PRODUCING METHOD [patent_app_type] => utility [patent_app_number] => 17/163675 [patent_app_country] => US [patent_app_date] => 2021-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10935 [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] => 17163675 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/163675
Composition, pattern-forming method, and compound-producing method Jan 31, 2021 Issued
Array ( [id] => 18306516 [patent_doc_number] => 20230110416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => NEGATIVE PHOTOSENSITIVE RESIN COMPOSITION AND METHOD FOR MANUFACTURING CURED RELIEF PATTERN [patent_app_type] => utility [patent_app_number] => 17/793751 [patent_app_country] => US [patent_app_date] => 2021-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19262 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17793751 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/793751
NEGATIVE PHOTOSENSITIVE RESIN COMPOSITION AND METHOD FOR MANUFACTURING CURED RELIEF PATTERN Jan 26, 2021 Issued
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] => 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] => 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
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