Search

John S. Y. Chu

Examiner (ID: 18244, Phone: (571)272-1329 , Office: P/1722 )

Most Active Art Unit
1752
Art Unit(s)
1506, 1795, 1752, 1113, 1722, 1737
Total Applications
2666
Issued Applications
2087
Pending Applications
160
Abandoned Applications
454

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18188948 [patent_doc_number] => 11579530 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Negative type photosensitive composition [patent_app_type] => utility [patent_app_number] => 17/630556 [patent_app_country] => US [patent_app_date] => 2020-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12230 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17630556 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/630556
Negative type photosensitive composition Jul 28, 2020 Issued
Array ( [id] => 16509157 [patent_doc_number] => 20200388413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/928039 [patent_app_country] => US [patent_app_date] => 2020-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16928039 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/928039
PHOTOSENSITIVE RESIN COMPOSITION Jul 13, 2020 Abandoned
Array ( [id] => 19827472 [patent_doc_number] => 12248249 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Resist material and pattern forming method [patent_app_type] => utility [patent_app_number] => 17/623995 [patent_app_country] => US [patent_app_date] => 2020-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 13266 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17623995 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/623995
Resist material and pattern forming method Jun 29, 2020 Issued
Array ( [id] => 17157563 [patent_doc_number] => 20210318614 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2021-10-14 [patent_title] => PATTERN-FORMING METHOD AND RADIATION-SENSITIVE COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/905946 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16905946 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/905946
PATTERN-FORMING METHOD AND RADIATION-SENSITIVE COMPOSITION Jun 18, 2020 Abandoned
Array ( [id] => 17157563 [patent_doc_number] => 20210318614 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2021-10-14 [patent_title] => PATTERN-FORMING METHOD AND RADIATION-SENSITIVE COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/905946 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16905946 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/905946
PATTERN-FORMING METHOD AND RADIATION-SENSITIVE COMPOSITION Jun 18, 2020 Abandoned
Array ( [id] => 17830190 [patent_doc_number] => 20220267494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => MONOMER, RESIN FOR PHOTORESIST, RESIN COMPOSITION FOR PHOTORESIST, AND PATTERN FORMING METHOD [patent_app_type] => utility [patent_app_number] => 17/631238 [patent_app_country] => US [patent_app_date] => 2020-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17631238 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/631238
Monomer, resin for photoresist, resin composition for photoresist, and pattern forming method Jun 17, 2020 Issued
Array ( [id] => 20117102 [patent_doc_number] => 12366804 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Composition containing a heterocyclic compound having a dicyanostyryl group, for forming a resist underlayer film capable of being wet etched [patent_app_type] => utility [patent_app_number] => 17/619542 [patent_app_country] => US [patent_app_date] => 2020-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7677 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17619542 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/619542
Composition containing a heterocyclic compound having a dicyanostyryl group, for forming a resist underlayer film capable of being wet etched Jun 16, 2020 Issued
Array ( [id] => 16330307 [patent_doc_number] => 20200301273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION, POLYIMIDE PRODUCTION METHOD, AND SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 16/893925 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11821 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16893925 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/893925
PHOTOSENSITIVE RESIN COMPOSITION, POLYIMIDE PRODUCTION METHOD, AND SEMICONDUCTOR DEVICE Jun 4, 2020 Abandoned
Array ( [id] => 16506087 [patent_doc_number] => 20200385343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => SALT, QUENCHER, RESIST COMPOSITION AND METHOD FOR PRODUCING RESIST PATTERN, AND METHOD FOR PRODUCING SALT [patent_app_type] => utility [patent_app_number] => 16/889978 [patent_app_country] => US [patent_app_date] => 2020-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25527 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16889978 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/889978
Salt, quencher, resist composition and method for producing resist pattern, and method for producing salt Jun 1, 2020 Issued
Array ( [id] => 16542851 [patent_doc_number] => 20200409266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => POSITIVE-TYPE PHOTOSENSITIVE RESIN COMPOSITION AND CURED FILM PREPARED THEREFROM [patent_app_type] => utility [patent_app_number] => 16/879160 [patent_app_country] => US [patent_app_date] => 2020-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10928 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16879160 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/879160
Positive-type photosensitive resin composition and cured film prepared therefrom May 19, 2020 Issued
Array ( [id] => 16216701 [patent_doc_number] => 10732505 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-08-04 [patent_title] => Organotin oxide hydroxide patterning compositions, precursors, and patterning [patent_app_type] => utility [patent_app_number] => 16/861333 [patent_app_country] => US [patent_app_date] => 2020-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 18284 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16861333 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/861333
Organotin oxide hydroxide patterning compositions, precursors, and patterning Apr 28, 2020 Issued
Array ( [id] => 17605492 [patent_doc_number] => 11333975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-17 [patent_title] => Polymer, photosensitive resin composition, patterning method, method of forming cured film, interlayer insulating film, surface protective film, and electronic component [patent_app_type] => utility [patent_app_number] => 16/848589 [patent_app_country] => US [patent_app_date] => 2020-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25531 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 16848589 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/848589
Polymer, photosensitive resin composition, patterning method, method of forming cured film, interlayer insulating film, surface protective film, and electronic component Apr 13, 2020 Issued
Array ( [id] => 18172745 [patent_doc_number] => 11572442 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Compound, polyimide resin and method of producing the same, photosensitive resin composition, patterning method and method of forming cured film, interlayer insulating film, surface protective film, and electronic component [patent_app_type] => utility [patent_app_number] => 16/848439 [patent_app_country] => US [patent_app_date] => 2020-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23128 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16848439 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/848439
Compound, polyimide resin and method of producing the same, photosensitive resin composition, patterning method and method of forming cured film, interlayer insulating film, surface protective film, and electronic component Apr 13, 2020 Issued
Array ( [id] => 17053981 [patent_doc_number] => 20210263415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => DISPLAY PANEL AND NEGATIVE PHOTORESIST MATERIAL [patent_app_type] => utility [patent_app_number] => 16/757404 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16757404 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/757404
DISPLAY PANEL AND NEGATIVE PHOTORESIST MATERIAL Mar 22, 2020 Abandoned
Array ( [id] => 18169420 [patent_doc_number] => 20230036031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION, METHOD FOR PRODUCING RESIST PATTERN FILM, METHOD FOR PRODUCING PLATED FORMED PRODUCT, AND METHOD FOR PRODUCING TIN-SILVER PLATED-FORMED PRODUCT [patent_app_type] => utility [patent_app_number] => 17/435408 [patent_app_country] => US [patent_app_date] => 2020-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9636 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17435408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/435408
Photosensitive resin composition, method for producing resist pattern film, method for producing plated formed product, and method for producing tin-silver plated-formed product Mar 18, 2020 Issued
Array ( [id] => 16094385 [patent_doc_number] => 20200201179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => PHOTOSENSITIVE SILOXANE COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/806481 [patent_app_country] => US [patent_app_date] => 2020-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13898 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16806481 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/806481
PHOTOSENSITIVE SILOXANE COMPOSITION Mar 1, 2020 Abandoned
Array ( [id] => 17627376 [patent_doc_number] => 20220162391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => Functional hydrogen silsesquioxane resins and the use thereof [patent_app_type] => utility [patent_app_number] => 17/433630 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -39 [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] => 17433630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/433630
Functional hydrogen silsesquioxane resins and the use thereof Feb 24, 2020 Pending
Array ( [id] => 16076481 [patent_doc_number] => 20200192227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => RESIN COMPOSITION, METHOD FOR PRODUCING HEAT-RESISTANT RESIN FILM, AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 16/800674 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 43488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16800674 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/800674
Resin composition, method for producing heat-resistant resin film, and display device Feb 24, 2020 Issued
Array ( [id] => 17475436 [patent_doc_number] => 20220082940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => FLEXOGRAPHIC PRINTING RAW PLATE AND MANUFACTURING METHOD OF FLEXOGRAPHIC PRINTING PLATE [patent_app_type] => utility [patent_app_number] => 17/429015 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21334 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17429015 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/429015
FLEXOGRAPHIC PRINTING RAW PLATE AND MANUFACTURING METHOD OF FLEXOGRAPHIC PRINTING PLATE Feb 24, 2020 Pending
Array ( [id] => 17454396 [patent_doc_number] => 11269253 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Resist composition and patterning process [patent_app_type] => utility [patent_app_number] => 16/795760 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11069 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16795760 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/795760
Resist composition and patterning process Feb 19, 2020 Issued
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