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] => 19122181 [patent_doc_number] => 11966161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Radiation-sensitive resin composition, method of forming resist pattern, and compound [patent_app_type] => utility [patent_app_number] => 17/854048 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18905 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 476 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854048 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854048
Radiation-sensitive resin composition, method of forming resist pattern, and compound Jun 29, 2022 Issued
Array ( [id] => 19122181 [patent_doc_number] => 11966161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Radiation-sensitive resin composition, method of forming resist pattern, and compound [patent_app_type] => utility [patent_app_number] => 17/854048 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18905 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 476 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854048 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854048
Radiation-sensitive resin composition, method of forming resist pattern, and compound Jun 29, 2022 Issued
Array ( [id] => 17961726 [patent_doc_number] => 20220342307 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => RADIATION-SENSITIVE RESIN COMPOSITION AND METHOD FOR FORMING RESIST PATTERN [patent_app_type] => utility [patent_app_number] => 17/854012 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18879 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854012 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854012
Radiation-sensitive resin composition and method for forming resist pattern Jun 29, 2022 Issued
Array ( [id] => 19122180 [patent_doc_number] => 11966160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Radiation-sensitive resin composition and method for forming pattern [patent_app_type] => utility [patent_app_number] => 17/847253 [patent_app_country] => US [patent_app_date] => 2022-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18065 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17847253 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/847253
Radiation-sensitive resin composition and method for forming pattern Jun 22, 2022 Issued
Array ( [id] => 19302648 [patent_doc_number] => 20240231227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => OXATHIANIUM ION-CONTAINING SULFONIC ACID DERIVATIVE COMPOUND AS PHOTOACID GENERATORS IN RESIST APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/571593 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7580 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18571593 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/571593
OXATHIANIUM ION-CONTAINING SULFONIC ACID DERIVATIVE COMPOUND AS PHOTOACID GENERATORS IN RESIST APPLICATIONS Jun 15, 2022 Pending
Array ( [id] => 17929761 [patent_doc_number] => 20220324886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => TIN DODECAMERS AND RADIATION PATTERNABLE COATINGS WITH STRONG EUV ABSORPTION [patent_app_type] => utility [patent_app_number] => 17/840844 [patent_app_country] => US [patent_app_date] => 2022-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 17840844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/840844
Tin dodecamers and radiation patternable coatings with strong EUV absorption Jun 14, 2022 Issued
Array ( [id] => 17884401 [patent_doc_number] => 20220299878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => ORGANOTIN OXIDE HYDROXIDE PATTERNING COMPOSITIONS, PRECURSORS, AND PATTERNING [patent_app_type] => utility [patent_app_number] => 17/832920 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18447 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17832920 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/832920
Organotin oxide hydroxide patterning compositions, precursors, and patterning Jun 5, 2022 Issued
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] => 19362491 [patent_doc_number] => 20240264525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => HYBRID PHOTORESIST COMPOSITION FOR EXTREME ULTRAVIOLET PHOTOLITHOGRAPHY APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/289112 [patent_app_country] => US [patent_app_date] => 2022-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18289112 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/289112
HYBRID PHOTORESIST COMPOSITION FOR EXTREME ULTRAVIOLET PHOTOLITHOGRAPHY APPLICATIONS Apr 21, 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] => 19267129 [patent_doc_number] => 20240210831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN FILM, PHOTOSENSITIVE DRY FILM, AND PATTERN FORMATION METHOD [patent_app_type] => utility [patent_app_number] => 18/285408 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10975 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285408
PHOTOSENSITIVE RESIN COMPOSITION, PHOTOSENSITIVE RESIN FILM, PHOTOSENSITIVE DRY FILM, AND PATTERN FORMATION METHOD Mar 3, 2022 Pending
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