Search

Audrey Y. Chang

Examiner (ID: 397)

Most Active Art Unit
2872
Art Unit(s)
2872, 2507
Total Applications
2248
Issued Applications
1138
Pending Applications
188
Abandoned Applications
955

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17751103 [patent_doc_number] => 20220229308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => DISPLAY MODULE WITH THE DIVERGENCE ANGLE OF OUTGOING BEAM CONSTRAINED AGAIN BY THE CORRESPONDING DEFLECTION APERTURE [patent_app_type] => utility [patent_app_number] => 17/367445 [patent_app_country] => US [patent_app_date] => 2021-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17367445 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/367445
DISPLAY MODULE WITH THE DIVERGENCE ANGLE OF OUTGOING BEAM CONSTRAINED AGAIN BY THE CORRESPONDING DEFLECTION APERTURE Jul 4, 2021 Pending
Array ( [id] => 17337575 [patent_doc_number] => 20220003906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => SPECTRAL FILTER, AND IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SPECTRAL FILTER [patent_app_type] => utility [patent_app_number] => 17/366523 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17454 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17366523 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366523
SPECTRAL FILTER, AND IMAGE SENSOR AND ELECTRONIC DEVICE INCLUDING THE SPECTRAL FILTER Jul 1, 2021 Pending
Array ( [id] => 18560998 [patent_doc_number] => 11726239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Non-color shifting multilayer structures [patent_app_type] => utility [patent_app_number] => 17/305217 [patent_app_country] => US [patent_app_date] => 2021-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 35 [patent_no_of_words] => 11000 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17305217 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/305217
Non-color shifting multilayer structures Jun 30, 2021 Issued
Array ( [id] => 17316206 [patent_doc_number] => 20210405255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => OPTICAL METALENSES [patent_app_type] => utility [patent_app_number] => 17/352911 [patent_app_country] => US [patent_app_date] => 2021-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17352911 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/352911
OPTICAL METALENSES Jun 20, 2021 Abandoned
Array ( [id] => 18584446 [patent_doc_number] => 20230266709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => A METHOD FOR COMPUTING A HOLOGRAPHIC INTERFERENCE PATTERN [patent_app_type] => utility [patent_app_number] => 18/010722 [patent_app_country] => US [patent_app_date] => 2021-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6136 [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] => 18010722 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/010722
A METHOD FOR COMPUTING A HOLOGRAPHIC INTERFERENCE PATTERN Jun 14, 2021 Pending
Array ( [id] => 18904223 [patent_doc_number] => 20240019708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => APPARATUS FOR SPECTRALLY COMBINING BROADBAND LASER BEAMS BY VOLUME BRAGG GRATINGS [patent_app_type] => utility [patent_app_number] => 18/034214 [patent_app_country] => US [patent_app_date] => 2021-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8696 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18034214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/034214
APPARATUS FOR SPECTRALLY COMBINING BROADBAND LASER BEAMS BY VOLUME BRAGG GRATINGS Jun 7, 2021 Pending
Array ( [id] => 17430040 [patent_doc_number] => 20220057749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => Method for Holographic Mastering and Replication [patent_app_type] => utility [patent_app_number] => 17/341155 [patent_app_country] => US [patent_app_date] => 2021-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7302 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17341155 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/341155
Method for Holographic Mastering and Replication Jun 6, 2021 Abandoned
Array ( [id] => 18486546 [patent_doc_number] => 20230213891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => A METHOD AND DISPLAY APPARATUS FOR REDUCING HOLOGRAPHIC SPECKLE [patent_app_type] => utility [patent_app_number] => 17/928540 [patent_app_country] => US [patent_app_date] => 2021-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8112 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17928540 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/928540
A METHOD AND DISPLAY APPARATUS FOR REDUCING HOLOGRAPHIC SPECKLE Jun 1, 2021 Abandoned
Array ( [id] => 19856852 [patent_doc_number] => 12259686 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Waveguide geometry for improved display performance [patent_app_type] => utility [patent_app_number] => 17/327519 [patent_app_country] => US [patent_app_date] => 2021-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 5657 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17327519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/327519
Waveguide geometry for improved display performance May 20, 2021 Issued
Array ( [id] => 17230203 [patent_doc_number] => 20210356760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => System and Method for Aperture Extension and Programmable Optical Depth Modulation via a Field Evolving Cavity [patent_app_type] => utility [patent_app_number] => 17/302921 [patent_app_country] => US [patent_app_date] => 2021-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17302921 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/302921
System and method for aperture extension and programmable optical depth modulation via a field evolving cavity May 13, 2021 Issued
Array ( [id] => 17475501 [patent_doc_number] => 20220083005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/308713 [patent_app_country] => US [patent_app_date] => 2021-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17308713 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/308713
Display device May 4, 2021 Issued
Array ( [id] => 18512892 [patent_doc_number] => 20230229112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => REAL-TIME MONITORING OF DIFFRACTION EFFICIENCY OF VOLUME HOLOGRAPHIC ELEMENTS [patent_app_type] => utility [patent_app_number] => 17/997924 [patent_app_country] => US [patent_app_date] => 2021-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17997924 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/997924
REAL-TIME MONITORING OF DIFFRACTION EFFICIENCY OF VOLUME HOLOGRAPHIC ELEMENTS May 3, 2021 Pending
Array ( [id] => 17171911 [patent_doc_number] => 20210325581 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => METHOD AND APPARATUS FOR PREPARING FEMTOSECOND OPTICAL FILAMENT INTERFERENCE DIRECT WRITING VOLUME GRATING/CHIRPED VOLUME GRATING [patent_app_type] => utility [patent_app_number] => 17/230428 [patent_app_country] => US [patent_app_date] => 2021-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17230428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/230428
Method and apparatus for preparing femtosecond optical filament interference direct writing volume grating/chirped volume grating Apr 13, 2021 Issued
Array ( [id] => 17931343 [patent_doc_number] => 20220326468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => SYSTEM AND METHOD FOR INTERFERENCE FRINGE STABILIZATION [patent_app_type] => utility [patent_app_number] => 17/229852 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17229852 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/229852
System and method for interference fringe stabilization Apr 12, 2021 Issued
Array ( [id] => 18872771 [patent_doc_number] => 11860573 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => System and method for fabricating polarization holograms [patent_app_type] => utility [patent_app_number] => 17/229844 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 41 [patent_no_of_words] => 41349 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17229844 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/229844
System and method for fabricating polarization holograms Apr 12, 2021 Issued
Array ( [id] => 16993549 [patent_doc_number] => 20210231969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => Laser Projection Apparatus and Methods for 3-D Image Production [patent_app_type] => utility [patent_app_number] => 17/228255 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3181 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17228255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/228255
Laser Projection Apparatus and Methods for 3-D Image Production Apr 11, 2021 Abandoned
Array ( [id] => 16964437 [patent_doc_number] => 20210215936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => WAVEGUIDE DISPLAY WITH INCREASED UNIFORMITY AND REDUCED CROSS-COUPLING BETWEEN COLORS [patent_app_type] => utility [patent_app_number] => 17/213313 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17213313 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/213313
Waveguide display with increased uniformity and reduced cross-coupling between colors Mar 25, 2021 Issued
Array ( [id] => 19522339 [patent_doc_number] => 12124058 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Cylindrical spatial image projection device using half mirror [patent_app_type] => utility [patent_app_number] => 17/207099 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8040 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17207099 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/207099
Cylindrical spatial image projection device using half mirror Mar 18, 2021 Issued
Array ( [id] => 17868692 [patent_doc_number] => 20220291429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => HOLOGRAPHIC PLASMA LENSES [patent_app_type] => utility [patent_app_number] => 17/200688 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17200688 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/200688
Holographic plasma lenses Mar 11, 2021 Issued
Array ( [id] => 20344405 [patent_doc_number] => 12468133 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Light source device, optical lens, and method of manufacturing optical lens [patent_app_type] => utility [patent_app_number] => 17/198086 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 2167 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17198086 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/198086
Light source device, optical lens, and method of manufacturing optical lens Mar 9, 2021 Issued
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