Search

Charles S. Chang

Examiner (ID: 4092, Phone: (571)270-5024 , Office: P/2871 )

Most Active Art Unit
2871
Art Unit(s)
2881, 2871, 2883
Total Applications
1232
Issued Applications
938
Pending Applications
67
Abandoned Applications
244

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18095003 [patent_doc_number] => 20220413344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => DEVICE FOR THE REGULATION OF LIGHT TRANSMISSION [patent_app_type] => utility [patent_app_number] => 17/777845 [patent_app_country] => US [patent_app_date] => 2020-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17777845 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/777845
Device for the regulation of light transmission Nov 23, 2020 Issued
Array ( [id] => 18066711 [patent_doc_number] => 20220397799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => BACKLIGHT MODULE, LIQUID CRYSTAL DISPLAY SCREEN, AND USING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/259171 [patent_app_country] => US [patent_app_date] => 2020-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17259171 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/259171
Backlight module, liquid crystal display screen, and using method thereof Nov 23, 2020 Issued
Array ( [id] => 19014381 [patent_doc_number] => 11921308 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Polarizer and image display device [patent_app_type] => utility [patent_app_number] => 16/950202 [patent_app_country] => US [patent_app_date] => 2020-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17312 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16950202 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/950202
Polarizer and image display device Nov 16, 2020 Issued
Array ( [id] => 18981691 [patent_doc_number] => 11906861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Display panel and display device [patent_app_type] => utility [patent_app_number] => 17/617083 [patent_app_country] => US [patent_app_date] => 2020-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 7503 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17617083 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/617083
Display panel and display device Nov 16, 2020 Issued
Array ( [id] => 16825983 [patent_doc_number] => 20210141276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => Liquid Crystal Display Device [patent_app_type] => utility [patent_app_number] => 17/090799 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11893 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17090799 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/090799
Liquid crystal display device Nov 4, 2020 Issued
Array ( [id] => 16949772 [patent_doc_number] => 20210208463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/088166 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20635 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17088166 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/088166
Display device Nov 2, 2020 Issued
Array ( [id] => 19898854 [patent_doc_number] => 12276773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Method for manufacturing optical lens provided with anti-reflection film [patent_app_type] => utility [patent_app_number] => 17/779127 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 7958 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17779127 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779127
Method for manufacturing optical lens provided with anti-reflection film Oct 28, 2020 Issued
Array ( [id] => 19898854 [patent_doc_number] => 12276773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Method for manufacturing optical lens provided with anti-reflection film [patent_app_type] => utility [patent_app_number] => 17/779127 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 7958 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17779127 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779127
Method for manufacturing optical lens provided with anti-reflection film Oct 28, 2020 Issued
Array ( [id] => 19898854 [patent_doc_number] => 12276773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Method for manufacturing optical lens provided with anti-reflection film [patent_app_type] => utility [patent_app_number] => 17/779127 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 7958 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17779127 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779127
Method for manufacturing optical lens provided with anti-reflection film Oct 28, 2020 Issued
Array ( [id] => 19898854 [patent_doc_number] => 12276773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Method for manufacturing optical lens provided with anti-reflection film [patent_app_type] => utility [patent_app_number] => 17/779127 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 7958 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17779127 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779127
Method for manufacturing optical lens provided with anti-reflection film Oct 28, 2020 Issued
Array ( [id] => 18342616 [patent_doc_number] => 11640093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-02 [patent_title] => Array substrate and display panel [patent_app_type] => utility [patent_app_number] => 16/973791 [patent_app_country] => US [patent_app_date] => 2020-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 5914 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16973791 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/973791
Array substrate and display panel Oct 27, 2020 Issued
Array ( [id] => 17961673 [patent_doc_number] => 20220342254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => CONNECTING DISPLAY SCREEN TO DEVICE BODY [patent_app_type] => utility [patent_app_number] => 17/754378 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17754378 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/754378
Connecting display screen to device body Oct 19, 2020 Issued
Array ( [id] => 18234441 [patent_doc_number] => 11598997 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Electro-optical device and electronic apparatus [patent_app_type] => utility [patent_app_number] => 17/075137 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 50 [patent_figures_cnt] => 51 [patent_no_of_words] => 16828 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17075137 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/075137
Electro-optical device and electronic apparatus Oct 19, 2020 Issued
Array ( [id] => 17379410 [patent_doc_number] => 11237422 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Display device [patent_app_type] => utility [patent_app_number] => 17/071079 [patent_app_country] => US [patent_app_date] => 2020-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 9181 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17071079 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/071079
Display device Oct 14, 2020 Issued
Array ( [id] => 17408468 [patent_doc_number] => 11249347 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-15 [patent_title] => Display module and display apparatus having the same [patent_app_type] => utility [patent_app_number] => 17/038769 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2836 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17038769 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/038769
Display module and display apparatus having the same Sep 29, 2020 Issued
Array ( [id] => 18400499 [patent_doc_number] => 11662634 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Touch display device [patent_app_type] => utility [patent_app_number] => 17/281325 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 6220 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17281325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/281325
Touch display device Sep 27, 2020 Issued
Array ( [id] => 17542355 [patent_doc_number] => 11307472 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Display panel and display device [patent_app_type] => utility [patent_app_number] => 17/033817 [patent_app_country] => US [patent_app_date] => 2020-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5557 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17033817 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/033817
Display panel and display device Sep 26, 2020 Issued
Array ( [id] => 16576916 [patent_doc_number] => 20210011317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => LIQUID CRYSTAL DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/030602 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17030602 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/030602
Liquid crystal display device Sep 23, 2020 Issued
Array ( [id] => 18880736 [patent_doc_number] => 20240004105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => REFRACTIVE-INDEX ADUSTABLE LENS [patent_app_type] => utility [patent_app_number] => 18/027549 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5199 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18027549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/027549
REFRACTIVE-INDEX ADUSTABLE LENS Sep 22, 2020 Abandoned
Array ( [id] => 18030206 [patent_doc_number] => 11513388 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Optical assembly and display device [patent_app_type] => utility [patent_app_number] => 17/019376 [patent_app_country] => US [patent_app_date] => 2020-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3607 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17019376 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/019376
Optical assembly and display device Sep 13, 2020 Issued
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