Search

Charles S. Chang

Examiner (ID: 13161, Phone: (571)270-5024 , Office: P/2871 )

Most Active Art Unit
2871
Art Unit(s)
2883, 2871, 2881
Total Applications
1206
Issued Applications
920
Pending Applications
63
Abandoned Applications
244

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19573342 [patent_doc_number] => 20240377634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => Optical Apparatus, Modules and Devices [patent_app_type] => utility [patent_app_number] => 18/691130 [patent_app_country] => US [patent_app_date] => 2022-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7365 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18691130 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/691130
Optical Apparatus, Modules and Devices Aug 25, 2022 Pending
Array ( [id] => 18081214 [patent_doc_number] => 20220406826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/893247 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6152 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17893247 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893247
Electronic device Aug 22, 2022 Issued
Array ( [id] => 20358560 [patent_doc_number] => 12474552 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Optical element and image display apparatus [patent_app_type] => utility [patent_app_number] => 17/880061 [patent_app_country] => US [patent_app_date] => 2022-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 18760 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17880061 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/880061
Optical element and image display apparatus Aug 2, 2022 Issued
Array ( [id] => 18498822 [patent_doc_number] => 20230221548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => DEFROSTING LENS [patent_app_type] => utility [patent_app_number] => 17/878466 [patent_app_country] => US [patent_app_date] => 2022-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17878466 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/878466
DEFROSTING LENS Jul 31, 2022 Abandoned
Array ( [id] => 18285412 [patent_doc_number] => 20230100884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => VIEWING ANGLE CONTROLLING FILM AND DISPLAY DEVICE COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 17/866057 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14409 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866057 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866057
Viewing angle controlling film and display device comprising the same Jul 14, 2022 Issued
Array ( [id] => 18606213 [patent_doc_number] => 11747676 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Display device [patent_app_type] => utility [patent_app_number] => 17/864058 [patent_app_country] => US [patent_app_date] => 2022-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 4477 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17864058 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/864058
Display device Jul 12, 2022 Issued
Array ( [id] => 20242327 [patent_doc_number] => 12422642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Camera module [patent_app_type] => utility [patent_app_number] => 17/861749 [patent_app_country] => US [patent_app_date] => 2022-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 36 [patent_no_of_words] => 12276 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 17861749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/861749
Camera module Jul 10, 2022 Issued
Array ( [id] => 18143862 [patent_doc_number] => 20230017713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/855950 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14169 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17855950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/855950
Display device Jun 30, 2022 Issued
Array ( [id] => 18644337 [patent_doc_number] => 11768402 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Display device [patent_app_type] => utility [patent_app_number] => 17/850292 [patent_app_country] => US [patent_app_date] => 2022-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 14751 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17850292 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/850292
Display device Jun 26, 2022 Issued
Array ( [id] => 19864014 [patent_doc_number] => 20250102800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => LAMELLA ARRANGEMENT, METHOD FOR MANUFACTURING A LAMELLA ARRANGEMENT, COVER ASSEMBLY HAVING A LEMELLA ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 18/291478 [patent_app_country] => US [patent_app_date] => 2022-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18291478 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/291478
LAMELLA ARRANGEMENT, METHOD FOR MANUFACTURING A LAMELLA ARRANGEMENT, COVER ASSEMBLY HAVING A LEMELLA ARRANGEMENT Jun 26, 2022 Pending
Array ( [id] => 18217784 [patent_doc_number] => 11592717 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Liquid crystal display device and electronic device [patent_app_type] => utility [patent_app_number] => 17/848727 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 71 [patent_figures_cnt] => 133 [patent_no_of_words] => 56129 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17848727 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/848727
Liquid crystal display device and electronic device Jun 23, 2022 Issued
Array ( [id] => 19413073 [patent_doc_number] => 12078887 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Display apparatus and backlight unit [patent_app_type] => utility [patent_app_number] => 17/843413 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 12121 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17843413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843413
Display apparatus and backlight unit Jun 16, 2022 Issued
Array ( [id] => 18158981 [patent_doc_number] => 20230025573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => HEAD UP DISPLAY [patent_app_type] => utility [patent_app_number] => 17/838274 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17838274 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/838274
Head up display Jun 12, 2022 Issued
Array ( [id] => 18470624 [patent_doc_number] => 20230204910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => OPTICAL IMAGING LENS [patent_app_type] => utility [patent_app_number] => 17/835968 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11595 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17835968 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/835968
Optical imaging lens Jun 8, 2022 Issued
Array ( [id] => 18470633 [patent_doc_number] => 20230204919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => OPTICAL IMAGING LENS [patent_app_type] => utility [patent_app_number] => 17/835973 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17835973 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/835973
Optical imaging lens Jun 8, 2022 Issued
Array ( [id] => 20145302 [patent_doc_number] => 12379643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Lens drive device [patent_app_type] => utility [patent_app_number] => 17/835947 [patent_app_country] => US [patent_app_date] => 2022-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17835947 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/835947
Lens drive device Jun 7, 2022 Issued
Array ( [id] => 17884360 [patent_doc_number] => 20220299837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => OPTICAL DEVICE AND AUGMENTED REALITY PROVIDING DEVICE [patent_app_type] => utility [patent_app_number] => 17/805382 [patent_app_country] => US [patent_app_date] => 2022-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13253 [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] => 17805382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/805382
Optical device and augmented reality providing device Jun 2, 2022 Issued
Array ( [id] => 18066650 [patent_doc_number] => 20220397738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => IMPACT-PROTECTED LENS MODULE WITH BUFFERING PAD AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/830511 [patent_app_country] => US [patent_app_date] => 2022-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2498 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17830511 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/830511
Impact-protected lens module with buffering pad and electronic device Jun 1, 2022 Issued
Array ( [id] => 17853399 [patent_doc_number] => 20220283441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => DISPLAY MODULE AND AUGMENTED REALITY GLASSES [patent_app_type] => utility [patent_app_number] => 17/825986 [patent_app_country] => US [patent_app_date] => 2022-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5009 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17825986 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/825986
Display module and augmented reality glasses May 25, 2022 Issued
Array ( [id] => 17839367 [patent_doc_number] => 20220276672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => ELECTRONIC DEVICES WITH STRUCTURAL GLASS MEMBERS [patent_app_type] => utility [patent_app_number] => 17/748958 [patent_app_country] => US [patent_app_date] => 2022-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7189 [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] => 17748958 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/748958
Electronic devices with structural glass members May 18, 2022 Issued
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