Search

Eric Chang

Examiner (ID: 15894, Phone: (571)272-3671 , Office: P/2116 )

Most Active Art Unit
2116
Art Unit(s)
2186, 2116, 2185
Total Applications
657
Issued Applications
458
Pending Applications
14
Abandoned Applications
185

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20401710 [patent_doc_number] => 12491670 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Method for producing a molded part and molded part [patent_app_type] => utility [patent_app_number] => 17/449556 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17449556 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/449556
Method for producing a molded part and molded part Sep 29, 2021 Issued
Array ( [id] => 18902821 [patent_doc_number] => 20240018306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => RESIN COMPOSITION, METHOD FOR PRODUCING SEMICONDUCTOR DEVICE, CURED PRODUCT, SEMICONDUCTOR DEVICE, AND METHOD FOR SYNTHESIZING POLYIMIDE PRECURSOR [patent_app_type] => utility [patent_app_number] => 18/029102 [patent_app_country] => US [patent_app_date] => 2021-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25097 [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] => 18029102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/029102
RESIN COMPOSITION, METHOD FOR PRODUCING SEMICONDUCTOR DEVICE, CURED PRODUCT, SEMICONDUCTOR DEVICE, AND METHOD FOR SYNTHESIZING POLYIMIDE PRECURSOR Sep 27, 2021 Pending
Array ( [id] => 17505276 [patent_doc_number] => 20220098378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => POLYAMIDE-BASED FILM, PREPARATION METHOD THEREOF, AND COVER WINDOW AND DISPLAY DEVICE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/480396 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12904 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17480396 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/480396
Polyamide-based film, preparation method thereof, and cover window and display device comprising same Sep 20, 2021 Issued
Array ( [id] => 18923066 [patent_doc_number] => 20240026070 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => HIGH MELT STRENGTH POLYLACTIC ACID POLYMERS [patent_app_type] => utility [patent_app_number] => 18/245994 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18245994 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/245994
HIGH MELT STRENGTH POLYLACTIC ACID POLYMERS Sep 20, 2021 Pending
Array ( [id] => 18785983 [patent_doc_number] => 20230373895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => ISOMERIZATION OF CYCLOHEXENEDICARBOXYLIC ACID AND ITS DERIVATIVES [patent_app_type] => utility [patent_app_number] => 18/027492 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11418 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18027492 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/027492
ISOMERIZATION OF CYCLOHEXENEDICARBOXYLIC ACID AND ITS DERIVATIVES Sep 20, 2021 Pending
Array ( [id] => 17345338 [patent_doc_number] => 20220011669 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => PHOTOSENSITIVE RESIN COMPOSITION AND METHOD FOR PRODUCING CURED RELIEF PATTERN [patent_app_type] => utility [patent_app_number] => 17/480648 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17480648 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/480648
Photosensitive resin composition and method for producing cured relief pattern Sep 20, 2021 Issued
Array ( [id] => 17595434 [patent_doc_number] => 20220145007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => METHOD FOR SYNTHESIZING LONG CARBON CHAIN SEMI-AROMATIC NYLON [patent_app_type] => utility [patent_app_number] => 17/477927 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7869 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17477927 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/477927
Method for synthesizing long carbon chain semi-aromatic nylon Sep 16, 2021 Issued
Array ( [id] => 17314593 [patent_doc_number] => 20210403641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => BISPHENOL COMPOSITION AND POLYCARBONATE RESIN [patent_app_type] => utility [patent_app_number] => 17/472905 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17472905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/472905
Bisphenol composition and polycarbonate resin Sep 12, 2021 Issued
Array ( [id] => 20535868 [patent_doc_number] => 12552934 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Polyimide-based polymer film, substrate for display device, and optical device using the same [patent_app_type] => utility [patent_app_number] => 17/912351 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4459 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17912351 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912351
Polyimide-based polymer film, substrate for display device, and optical device using the same Sep 7, 2021 Issued
Array ( [id] => 18340217 [patent_doc_number] => 20230132166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => POLYIMIDE-BASED POLYMER FILM, SUBSTRATE FOR DISPLAY DEVICE, CIRCUIT BOARD, OPTICAL DEVICE AND ELECTRONIC DEVICE USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/912345 [patent_app_country] => US [patent_app_date] => 2021-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17912345 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912345
POLYIMIDE-BASED POLYMER FILM, SUBSTRATE FOR DISPLAY DEVICE, CIRCUIT BOARD, OPTICAL DEVICE AND ELECTRONIC DEVICE USING THE SAME Sep 5, 2021 Abandoned
Array ( [id] => 19135647 [patent_doc_number] => 11970578 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Polyimide precursor, polyimide precursor composition, polyimide film, manufacturing method thereof, and use thereof [patent_app_type] => utility [patent_app_number] => 17/412755 [patent_app_country] => US [patent_app_date] => 2021-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9937 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17412755 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/412755
Polyimide precursor, polyimide precursor composition, polyimide film, manufacturing method thereof, and use thereof Aug 25, 2021 Issued
Array ( [id] => 17875910 [patent_doc_number] => 11447913 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Fungal textile materials and leather analogs [patent_app_type] => utility [patent_app_number] => 17/410859 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 23 [patent_no_of_words] => 27578 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17410859 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/410859
Fungal textile materials and leather analogs Aug 23, 2021 Issued
Array ( [id] => 17274960 [patent_doc_number] => 20210381158 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => Fungal textile materials and leather analogs [patent_app_type] => utility [patent_app_number] => 17/410856 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 17410856 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/410856
Fungal textile materials and leather analogs Aug 23, 2021 Issued
Array ( [id] => 18612452 [patent_doc_number] => 20230279184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => COMPOSITION COMPRISING POLYIMIDE OR PRECURSOR THEREOF, CURED PRODUCT THEREOF, POLYIMIDE FILM COMPRISING CURED PRODUCT, LAMINATE PROVIDED WITH POLYIMIDE FILM, AND DEVICE PROVIDED WITH LAMINATE [patent_app_type] => utility [patent_app_number] => 18/005403 [patent_app_country] => US [patent_app_date] => 2021-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6302 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18005403 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/005403
COMPOSITION COMPRISING POLYIMIDE OR PRECURSOR THEREOF, CURED PRODUCT THEREOF, POLYIMIDE FILM COMPRISING CURED PRODUCT, LAMINATE PROVIDED WITH POLYIMIDE FILM, AND DEVICE PROVIDED WITH LAMINATE Aug 19, 2021 Pending
Array ( [id] => 17705136 [patent_doc_number] => 20220205142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => POLYMER, FIBER AND TEXTILE [patent_app_type] => utility [patent_app_number] => 17/406581 [patent_app_country] => US [patent_app_date] => 2021-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3401 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17406581 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/406581
POLYMER, FIBER AND TEXTILE Aug 18, 2021 Abandoned
Array ( [id] => 17704687 [patent_doc_number] => 20220204693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => Polyamide-Imide Copolymer and Film Containing the Same [patent_app_type] => utility [patent_app_number] => 17/404606 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404606 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404606
Polyamide-Imide Copolymer and Film Containing the Same Aug 16, 2021 Pending
Array ( [id] => 17704692 [patent_doc_number] => 20220204698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => Polyimide And Film Formed Therefrom [patent_app_type] => utility [patent_app_number] => 17/404531 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404531 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404531
Polyimide And Film Formed Therefrom Aug 16, 2021 Abandoned
Array ( [id] => 18879233 [patent_doc_number] => 20240002602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => POLYIMIDE POLYMER FILM, SUBSTRATE FOR FLEXIBLE DISPLAY DEVICE, AND FLEXIBLE DISPLAY DEVICE USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/250172 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18250172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/250172
POLYIMIDE POLYMER FILM, SUBSTRATE FOR FLEXIBLE DISPLAY DEVICE, AND FLEXIBLE DISPLAY DEVICE USING THE SAME Aug 16, 2021 Pending
Array ( [id] => 17830223 [patent_doc_number] => 20220267527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => POLYIMIDE PRECURSOR SOLUTION, METHOD FOR PRODUCING POROUS POLYIMIDE FILM, AND POROUS POLYIMIDE FILM [patent_app_type] => utility [patent_app_number] => 17/403011 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17403011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/403011
Polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film Aug 15, 2021 Issued
Array ( [id] => 17258361 [patent_doc_number] => 20210371346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => POLYAMIDE POWDER FOR SELECTIVE SINTERING METHODS [patent_app_type] => utility [patent_app_number] => 17/399281 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3310 [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] => 17399281 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/399281
Polyamide powder for selective sintering methods Aug 10, 2021 Issued
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