Search

Audrey Y. Chang

Examiner (ID: 3833, Phone: (571)272-2309 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2507, 2872
Total Applications
2263
Issued Applications
1144
Pending Applications
181
Abandoned Applications
959

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19204392 [patent_doc_number] => 20240176291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => VOLUMETRIC HOLOGRAPHIC DATA STORAGE DEVICES AND VOLUMETRIC HOLOGRAMS [patent_app_type] => utility [patent_app_number] => 18/551815 [patent_app_country] => US [patent_app_date] => 2022-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18551815 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/551815
VOLUMETRIC HOLOGRAPHIC DATA STORAGE DEVICES AND VOLUMETRIC HOLOGRAMS Mar 21, 2022 Pending
Array ( [id] => 17689607 [patent_doc_number] => 20220196900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => BACKLIGHT UNIT AND HOLOGRAPHIC DISPLAY APPARATUS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/693974 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693974 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693974
Backlight unit and holographic display apparatus including the same Mar 13, 2022 Issued
Array ( [id] => 17884463 [patent_doc_number] => 20220299940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => Image Projection [patent_app_type] => utility [patent_app_number] => 17/693508 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17047 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693508 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693508
Image Projection Mar 13, 2022 Pending
Array ( [id] => 19924257 [patent_doc_number] => 12298537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Mirror display with increased brightness [patent_app_type] => utility [patent_app_number] => 17/688169 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 9071 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17688169 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/688169
Mirror display with increased brightness Mar 6, 2022 Issued
Array ( [id] => 18006500 [patent_doc_number] => 20220365266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => APOCHROMATIC LIQUID CRYSTAL POLARIZATION HOLOGRAM DEVICE [patent_app_type] => utility [patent_app_number] => 17/681191 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29587 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17681191 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/681191
APOCHROMATIC LIQUID CRYSTAL POLARIZATION HOLOGRAM DEVICE Feb 24, 2022 Abandoned
Array ( [id] => 17809118 [patent_doc_number] => 20220260953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => APPARATUS FOR GENERATING HOLOGRAM AND A METHOD FOR GENERATING HOLOGRAM USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/674468 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8318 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17674468 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674468
APPARATUS FOR GENERATING HOLOGRAM AND A METHOD FOR GENERATING HOLOGRAM USING THE SAME Feb 16, 2022 Abandoned
Array ( [id] => 19492776 [patent_doc_number] => 12111481 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Lens and optical component [patent_app_type] => utility [patent_app_number] => 17/669923 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 6236 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17669923 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/669923
Lens and optical component Feb 10, 2022 Issued
Array ( [id] => 17809008 [patent_doc_number] => 20220260843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => TRANSMISSION GRATING BEAM COMBINER [patent_app_type] => utility [patent_app_number] => 17/650615 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17650615 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650615
TRANSMISSION GRATING BEAM COMBINER Feb 9, 2022 Pending
Array ( [id] => 17868700 [patent_doc_number] => 20220291437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => LIGHT REDIRECTION FEATURE IN WAVEGUIDE DISPLAY [patent_app_type] => utility [patent_app_number] => 17/667827 [patent_app_country] => US [patent_app_date] => 2022-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20252 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17667827 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/667827
LIGHT REDIRECTION FEATURE IN WAVEGUIDE DISPLAY Feb 8, 2022 Pending
Array ( [id] => 18066771 [patent_doc_number] => 20220397859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => HOLOGRAPHIC LENS SYSTEM [patent_app_type] => utility [patent_app_number] => 17/591453 [patent_app_country] => US [patent_app_date] => 2022-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17591453 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/591453
HOLOGRAPHIC LENS SYSTEM Feb 1, 2022 Abandoned
Array ( [id] => 20550028 [patent_doc_number] => 12560814 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Holographic display [patent_app_type] => utility [patent_app_number] => 17/589940 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 42 [patent_figures_cnt] => 50 [patent_no_of_words] => 40922 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17589940 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/589940
Holographic display Jan 31, 2022 Issued
Array ( [id] => 17778329 [patent_doc_number] => 20220244679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => HOLOGRAPHIC OPTICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/588846 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17588846 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/588846
HOLOGRAPHIC OPTICAL SYSTEM Jan 30, 2022 Pending
Array ( [id] => 19412988 [patent_doc_number] => 12078801 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Image projection [patent_app_type] => utility [patent_app_number] => 17/587327 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 28 [patent_no_of_words] => 21512 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17587327 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587327
Image projection Jan 27, 2022 Issued
Array ( [id] => 20257357 [patent_doc_number] => 12429706 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Optical arithmetic device [patent_app_type] => utility [patent_app_number] => 17/925518 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3272 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17925518 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925518
Optical arithmetic device Jan 26, 2022 Issued
Array ( [id] => 18531361 [patent_doc_number] => 20230236433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => Atmospheric Compensation Disc [patent_app_type] => utility [patent_app_number] => 17/583421 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2517 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583421 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583421
Atmospheric compensation disc Jan 24, 2022 Issued
Array ( [id] => 17751193 [patent_doc_number] => 20220229398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => OPTO-MECHANICAL SYSTEM TO REMOVE ZEROTH ORDER DIFFRACTION IN PHASE-ONLY SPATIAL LIGHT MODULATOR [patent_app_type] => utility [patent_app_number] => 17/578961 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17578961 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578961
Opto-mechanical system to remove zeroth order diffraction in phase-only spatial light modulator Jan 18, 2022 Issued
Array ( [id] => 17884209 [patent_doc_number] => 20220299686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => COLOR FILTER MODULE [patent_app_type] => utility [patent_app_number] => 17/575613 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17575613 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575613
COLOR FILTER MODULE Jan 12, 2022 Pending
Array ( [id] => 17580549 [patent_doc_number] => 20220137404 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => METHODS AND SYSTEMS FOR GENERATING VIRTUAL CONTENT DISPLAY WITH A VIRTUAL OR AUGMENTED REALITY APPARATUS [patent_app_type] => utility [patent_app_number] => 17/575060 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17575060 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575060
Methods and systems for generating virtual content display with a virtual or augmented reality apparatus Jan 12, 2022 Issued
Array ( [id] => 18486415 [patent_doc_number] => 20230213759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => Flexible Optical Apparatus To Extend Effective Aperture Of Collimator For AR/VR Binocular Alignment [patent_app_type] => utility [patent_app_number] => 17/565575 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565575 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565575
Flexible Optical Apparatus To Extend Effective Aperture Of Collimator For AR/VR Binocular Alignment Dec 29, 2021 Abandoned
Array ( [id] => 17534945 [patent_doc_number] => 20220113554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => MULTIVIEW BACKLIGHT, DISPLAY, AND METHOD HAVING A MULTIBEAM ELEMENT WITHIN A LIGHT GUIDE [patent_app_type] => utility [patent_app_number] => 17/555268 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17555268 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/555268
MULTIVIEW BACKLIGHT, DISPLAY, AND METHOD HAVING A MULTIBEAM ELEMENT WITHIN A LIGHT GUIDE Dec 16, 2021 Abandoned
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