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] => 18749769 [patent_doc_number] => 11809079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Photosensitive resin composition, polyimide production method, and semiconductor device [patent_app_type] => utility [patent_app_number] => 17/744873 [patent_app_country] => US [patent_app_date] => 2022-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 11833 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [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] => 17744873 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/744873
Photosensitive resin composition, polyimide production method, and semiconductor device May 15, 2022 Issued
Array ( [id] => 18741321 [patent_doc_number] => 20230350302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => POLYMER CROSSLINK DE-CROSSLINK PROCESSES FOR RESIST PATTERNING [patent_app_type] => utility [patent_app_number] => 17/734975 [patent_app_country] => US [patent_app_date] => 2022-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17734975 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/734975
POLYMER CROSSLINK DE-CROSSLINK PROCESSES FOR RESIST PATTERNING May 1, 2022 Pending
Array ( [id] => 18727483 [patent_doc_number] => 20230341773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => PHOTORESIST COMPOSITION WITH NOVEL SOLVENT [patent_app_type] => utility [patent_app_number] => 17/726036 [patent_app_country] => US [patent_app_date] => 2022-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17726036 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/726036
PHOTORESIST COMPOSITION WITH NOVEL SOLVENT Apr 20, 2022 Pending
Array ( [id] => 17793893 [patent_doc_number] => 20220252985 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => COMPOSITION FOR FORMING UNDERLAYER FILM, RESIST PATTERN FORMING METHOD, AND MANUFACTURING METHOD OF ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/724956 [patent_app_country] => US [patent_app_date] => 2022-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22192 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17724956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/724956
Composition for forming underlayer film, resist pattern forming method, and manufacturing method of electronic device Apr 19, 2022 Issued
Array ( [id] => 17947455 [patent_doc_number] => 20220334474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => PHOTORESIST COMPOSITION AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/721852 [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] => 8665 [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] => 17721852 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/721852
PHOTORESIST COMPOSITION AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE Apr 14, 2022 Pending
Array ( [id] => 20647034 [patent_doc_number] => 12601975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Compositions for reducing resist consumption of extreme ultraviolet metallic type resist [patent_app_type] => utility [patent_app_number] => 17/713823 [patent_app_country] => US [patent_app_date] => 2022-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2309 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17713823 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/713823
Compositions for reducing resist consumption of extreme ultraviolet metallic type resist Apr 4, 2022 Issued
Array ( [id] => 17736332 [patent_doc_number] => 20220221791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => Chain Extenders And Formulations Thereof For Improving Elongation In Photosensitive Polyimide [patent_app_type] => utility [patent_app_number] => 17/712933 [patent_app_country] => US [patent_app_date] => 2022-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17712933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/712933
Chain extenders and formulations thereof for improving elongation in photosensitive polyimide Apr 3, 2022 Issued
Array ( [id] => 19434249 [patent_doc_number] => 20240302747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => NAPHTHALENE UNIT-CONTAINING RESIST UNDERLAYER FILM-FORMING COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/281993 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18281993 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/281993
NAPHTHALENE UNIT-CONTAINING RESIST UNDERLAYER FILM-FORMING COMPOSITION Mar 14, 2022 Pending
Array ( [id] => 19450600 [patent_doc_number] => 20240310730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => RESIST UNDERLAYER FILM-FORMING COMPOSITION CONTAINING ACID CATALYST-SUPPORTING POLYMER [patent_app_type] => utility [patent_app_number] => 18/281833 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18281833 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/281833
RESIST UNDERLAYER FILM-FORMING COMPOSITION CONTAINING ACID CATALYST-SUPPORTING POLYMER Mar 13, 2022 Pending
Array ( [id] => 17898789 [patent_doc_number] => 20220308451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION AND RESIST PATTERN FORMING PROCESS [patent_app_type] => utility [patent_app_number] => 17/691352 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 749 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17691352 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691352
CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION AND RESIST PATTERN FORMING PROCESS Mar 9, 2022 Pending
Array ( [id] => 19250602 [patent_doc_number] => 20240201592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => COMPOSITION FOR FORMING RESIST UNDERLAYER FILM [patent_app_type] => utility [patent_app_number] => 18/282594 [patent_app_country] => US [patent_app_date] => 2022-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9983 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18282594 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/282594
COMPOSITION FOR FORMING RESIST UNDERLAYER FILM Mar 8, 2022 Pending
Array ( [id] => 17851993 [patent_doc_number] => 20220282035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => PHOTO-SENSITIVE COMPOSITION FOR INSULATING FILM FOR TOUCH PANEL OF ORGANIC LIGHT EMITTING DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/652515 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12650 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17652515 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/652515
PHOTO-SENSITIVE COMPOSITION FOR INSULATING FILM FOR TOUCH PANEL OF ORGANIC LIGHT EMITTING DISPLAY DEVICE Feb 24, 2022 Pending
Array ( [id] => 19917316 [patent_doc_number] => 12292683 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Curable composition, cured product, color filter, solid-state imaging element, and image display device [patent_app_type] => utility [patent_app_number] => 17/680301 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 31357 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17680301 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/680301
Curable composition, cured product, color filter, solid-state imaging element, and image display device Feb 24, 2022 Issued
Array ( [id] => 17831868 [patent_doc_number] => 20220269172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => RADIATION-SENSITIVE RESIN COMPOSITION, METHOD OF FORMING RESIST PATTERN, AND POLYMER [patent_app_type] => utility [patent_app_number] => 17/673952 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12795 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17673952 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/673952
RADIATION-SENSITIVE RESIN COMPOSITION, METHOD OF FORMING RESIST PATTERN, AND POLYMER Feb 16, 2022 Abandoned
Array ( [id] => 20242434 [patent_doc_number] => 12422750 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Method of manufacturing cured film, photocurable resin composition, method of manufacturing laminate, and method of manufacturing semiconductor device [patent_app_type] => utility [patent_app_number] => 17/672701 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 40128 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17672701 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/672701
Method of manufacturing cured film, photocurable resin composition, method of manufacturing laminate, and method of manufacturing semiconductor device Feb 15, 2022 Issued
Array ( [id] => 19885399 [patent_doc_number] => 12271112 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Negative resist composition and pattern forming process [patent_app_type] => utility [patent_app_number] => 17/592711 [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] => 8277 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17592711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/592711
Negative resist composition and pattern forming process Feb 3, 2022 Issued
Array ( [id] => 19434241 [patent_doc_number] => 20240302739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => QUANTUM EFFICIENT PHOTORESISTS AND METHODS THEREOF [patent_app_type] => utility [patent_app_number] => 18/264391 [patent_app_country] => US [patent_app_date] => 2022-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18264391 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/264391
QUANTUM EFFICIENT PHOTORESISTS AND METHODS THEREOF Feb 1, 2022 Pending
Array ( [id] => 18531435 [patent_doc_number] => 20230236507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => METHOD OF MANUFACTURING SEMICONDUCTOR STRUCTURE AND PHOTORESIST COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/585033 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17585033 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/585033
METHOD OF MANUFACTURING SEMICONDUCTOR STRUCTURE AND PHOTORESIST COMPOSITION Jan 25, 2022 Pending
Array ( [id] => 19035977 [patent_doc_number] => 20240085792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => FILM-FORMING COMPOSITION HAVING A MULTIPLE BOND [patent_app_type] => utility [patent_app_number] => 18/270375 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9758 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18270375 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/270375
Film-forming composition having a multiple bond Jan 25, 2022 Issued
Array ( [id] => 19963064 [patent_doc_number] => 12332563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Pattern-forming method and composition [patent_app_type] => utility [patent_app_number] => 17/583270 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 10558 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 425 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583270 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583270
Pattern-forming method and composition Jan 24, 2022 Issued
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