Search

Matthew D. Krcha

Examiner (ID: 3797, Phone: (571)270-0386 , Office: P/1798 )

Most Active Art Unit
1798
Art Unit(s)
1798, 1773, 1796
Total Applications
724
Issued Applications
406
Pending Applications
134
Abandoned Applications
200

Applications

Application numberTitle of the applicationFiling DateStatus
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] => 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] => 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
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] => 19044994 [patent_doc_number] => 11934101 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Photoresist composition and method of forming photoresist pattern [patent_app_type] => utility [patent_app_number] => 17/094706 [patent_app_country] => US [patent_app_date] => 2020-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 22 [patent_no_of_words] => 9820 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17094706 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/094706
Photoresist composition and method of forming photoresist pattern Nov 9, 2020 Issued
Array ( [id] => 17961724 [patent_doc_number] => 20220342305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => DUAL-CURE PHASE-SEPARATION TYPE PHOTOSENSITIVE RESIN COMPOSITION FOR CONTINUOUS 3D PRINTING WITH HIGH PRECISION [patent_app_type] => utility [patent_app_number] => 17/433946 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17433946 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/433946
Dual-cure phase-separation type photosensitive resin composition for continuous 3D printing with high precision Nov 3, 2020 Issued
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