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] => 19302643 [patent_doc_number] => 20240231222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => PHOTORESIST COMPOSITION AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/212913 [patent_app_country] => US [patent_app_date] => 2023-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8361 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212913 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212913
PHOTORESIST COMPOSITION AND METHOD OF FABRICATING SEMICONDUCTOR DEVICE Jun 21, 2023 Pending
Array ( [id] => 18880920 [patent_doc_number] => 20240004289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => SALT, ACID GENERATOR, RESIST COMPOSITION AND METHOD FOR PRODUCING RESIST PATTERN [patent_app_type] => utility [patent_app_number] => 18/337998 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 48974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 358 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18337998 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337998
SALT, ACID GENERATOR, RESIST COMPOSITION AND METHOD FOR PRODUCING RESIST PATTERN Jun 19, 2023 Pending
Array ( [id] => 19644549 [patent_doc_number] => 20240419069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => PHOTO LIGAND DESIGN FOR EUV OR E-BEAM METALLIC PHOTORESISTS [patent_app_type] => utility [patent_app_number] => 18/335852 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7766 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18335852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/335852
PHOTO LIGAND DESIGN FOR EUV OR E-BEAM METALLIC PHOTORESISTS Jun 14, 2023 Pending
Array ( [id] => 18819121 [patent_doc_number] => 20230393461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION AND RESIST PATTERN FORMING PROCESS [patent_app_type] => utility [patent_app_number] => 18/200892 [patent_app_country] => US [patent_app_date] => 2023-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13851 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18200892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/200892
CHEMICALLY AMPLIFIED POSITIVE RESIST COMPOSITION AND RESIST PATTERN FORMING PROCESS May 22, 2023 Pending
Array ( [id] => 19122182 [patent_doc_number] => 11966162 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Photoresist composition and method of manufacturing a semiconductor device [patent_app_type] => utility [patent_app_number] => 18/200510 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 9617 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18200510 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/200510
Photoresist composition and method of manufacturing a semiconductor device May 21, 2023 Issued
Array ( [id] => 18787599 [patent_doc_number] => 20230375937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => SUBSTRATE PROCESSING COMPOSITION AND SUBSTRATE PROCESSING METHOD USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/195200 [patent_app_country] => US [patent_app_date] => 2023-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18195200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/195200
SUBSTRATE PROCESSING COMPOSITION AND SUBSTRATE PROCESSING METHOD USING THE SAME May 8, 2023 Abandoned
Array ( [id] => 19558137 [patent_doc_number] => 20240369929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => COMPOSITION AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/312199 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8638 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312199 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312199
COMPOSITION AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE May 3, 2023 Pending
Array ( [id] => 18772398 [patent_doc_number] => 20230367223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => SUBSTRATE PROCESSING COMPOSITION AND SUBSTRATE PROCESSING METHOD USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/143400 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143400 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143400
SUBSTRATE PROCESSING COMPOSITION AND SUBSTRATE PROCESSING METHOD USING THE SAME May 3, 2023 Pending
Array ( [id] => 18933692 [patent_doc_number] => 11886115 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-30 [patent_title] => Resin, positive photosensitive resin composition and use [patent_app_type] => utility [patent_app_number] => 18/299687 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5477 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18299687 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/299687
Resin, positive photosensitive resin composition and use Apr 11, 2023 Issued
Array ( [id] => 19077900 [patent_doc_number] => 11947258 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Photoacid-generating monomer, polymer derived therefrom, photoresist composition including the polymer, and method of forming a photoresist relief image using the photoresist composition [patent_app_type] => utility [patent_app_number] => 18/174316 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 7413 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18174316 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/174316
Photoacid-generating monomer, polymer derived therefrom, photoresist composition including the polymer, and method of forming a photoresist relief image using the photoresist composition Feb 23, 2023 Issued
Array ( [id] => 20050004 [patent_doc_number] => 20250188226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => COMPOUND, METHOD FOR PRODUCING THE COMPOUND, LEVELING AGENT, COATING COMPOSITION, RESIST COMPOSITION, AND ARTICLE [patent_app_type] => utility [patent_app_number] => 18/842203 [patent_app_country] => US [patent_app_date] => 2023-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18842203 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/842203
COMPOUND, METHOD FOR PRODUCING THE COMPOUND, LEVELING AGENT, COATING COMPOSITION, RESIST COMPOSITION, AND ARTICLE Feb 1, 2023 Pending
Array ( [id] => 20922172 [patent_doc_number] => 12717229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-25 [patent_title] => Methods and materials for metallic photoresist [patent_app_type] => utility [patent_app_number] => 18/102447 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 2336 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18102447 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/102447
METHODS AND MATERIALS FOR METALLIC PHOTORESIST Jan 26, 2023 Pending
Array ( [id] => 18512867 [patent_doc_number] => 20230229087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => UV-CURABLE QUANTUM DOT FORMULATIONS [patent_app_type] => utility [patent_app_number] => 18/098167 [patent_app_country] => US [patent_app_date] => 2023-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18098167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/098167
UV-CURABLE QUANTUM DOT FORMULATIONS Jan 17, 2023 Pending
Array ( [id] => 18629917 [patent_doc_number] => 20230288806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => PHOTOSENSITIVE POLYMER CAPABLE OF MULTI-STEP DEPROTECTION REACTION, PHOTORESIST COMPOSITION INCLUDING THE PHOTOSENSITIVE POLYMER, AND METHOD OF MANUFACTURING THE INTEGRATED CIRCUIT DEVICE [patent_app_type] => utility [patent_app_number] => 18/098233 [patent_app_country] => US [patent_app_date] => 2023-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18098233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/098233
PHOTOSENSITIVE POLYMER CAPABLE OF MULTI-STEP DEPROTECTION REACTION, PHOTORESIST COMPOSITION INCLUDING THE PHOTOSENSITIVE POLYMER, AND METHOD OF MANUFACTURING THE INTEGRATED CIRCUIT DEVICE Jan 17, 2023 Pending
Array ( [id] => 18787598 [patent_doc_number] => 20230375936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => COMPOSITION FOR DEVELOPING AND METHOD OF FORMING PATTERN USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/153568 [patent_app_country] => US [patent_app_date] => 2023-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18153568 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/153568
COMPOSITION FOR DEVELOPING AND METHOD OF FORMING PATTERN USING THE SAME Jan 11, 2023 Pending
Array ( [id] => 18531431 [patent_doc_number] => 20230236503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => RESIST COMPOSITION AND PATTERN FORMING PROCESS [patent_app_type] => utility [patent_app_number] => 18/095235 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18095235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/095235
RESIST COMPOSITION AND PATTERN FORMING PROCESS Jan 9, 2023 Pending
Array ( [id] => 19250597 [patent_doc_number] => 20240201587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => ADDITIVES FOR METALLIC PHOTORESIST [patent_app_type] => utility [patent_app_number] => 18/093537 [patent_app_country] => US [patent_app_date] => 2023-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18093537 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/093537
ADDITIVES FOR METALLIC PHOTORESIST Jan 4, 2023 Pending
Array ( [id] => 18486519 [patent_doc_number] => 20230213863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => COMPOUND, RESIST UNDERLAYER FILM COMPOSITION INCLUDING SAME, AND RESIST UNDERLAYER FILM [patent_app_type] => utility [patent_app_number] => 18/090313 [patent_app_country] => US [patent_app_date] => 2022-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18090313 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/090313
COMPOUND, RESIST UNDERLAYER FILM COMPOSITION INCLUDING SAME, AND RESIST UNDERLAYER FILM Dec 27, 2022 Pending
Array ( [id] => 18333497 [patent_doc_number] => 20230125445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => COMPOSITION, TRANSFER FILM, MANUFACTURING METHOD FOR LAMINATE, MANUFACTURING METHOD FOR CIRCUIT WIRE, AND MANUFACTURING METHOD FOR ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/146009 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 44927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18146009 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/146009
COMPOSITION, TRANSFER FILM, MANUFACTURING METHOD FOR LAMINATE, MANUFACTURING METHOD FOR CIRCUIT WIRE, AND MANUFACTURING METHOD FOR ELECTRONIC DEVICE Dec 22, 2022 Pending
Array ( [id] => 18470801 [patent_doc_number] => 20230205087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => PHOTORESIST UNDERLAYER COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/085082 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18085082 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/085082
PHOTORESIST UNDERLAYER COMPOSITION Dec 19, 2022 Pending
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