Search

Audrey Y. Chang

Examiner (ID: 12249, Phone: (571)272-2309 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872, 2507
Total Applications
2296
Issued Applications
1157
Pending Applications
180
Abandoned Applications
969

Applications

Application numberTitle of the applicationFiling DateStatus
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
Array ( [id] => 16918012 [patent_doc_number] => 20210191104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => Optical Filter Device, Optical Module, Electronic Apparatus, And MEMS Device [patent_app_type] => utility [patent_app_number] => 17/194362 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18148 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17194362 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194362
Optical Filter Device, Optical Module, Electronic Apparatus, And MEMS Device Mar 7, 2021 Abandoned
Array ( [id] => 18606080 [patent_doc_number] => 11747542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Display method [patent_app_type] => utility [patent_app_number] => 17/184266 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 21 [patent_no_of_words] => 8421 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [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] => 17184266 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/184266
Display method Feb 23, 2021 Issued
Array ( [id] => 18787445 [patent_doc_number] => 20230375760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => Method For Producing A Continuous Diffractive Optical Element, Device For Carrying Out The Production Method And Continuous Diffractive Optical Element [patent_app_type] => utility [patent_app_number] => 17/913062 [patent_app_country] => US [patent_app_date] => 2021-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5795 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17913062 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/913062
Method For Producing A Continuous Diffractive Optical Element, Device For Carrying Out The Production Method And Continuous Diffractive Optical Element Feb 17, 2021 Pending
Array ( [id] => 18546711 [patent_doc_number] => 11720060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Single-shot Fresnel non-coherent correlation digital holographic device based on polarization-oriented planar lens [patent_app_type] => utility [patent_app_number] => 17/171561 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 1643 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17171561 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/171561
Single-shot Fresnel non-coherent correlation digital holographic device based on polarization-oriented planar lens Feb 8, 2021 Issued
Array ( [id] => 17038625 [patent_doc_number] => 20210255584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => METHOD AND APPARATUS FOR GENERATING FULL-COLOR HOLOGRAPHIC IMAGE [patent_app_type] => utility [patent_app_number] => 17/166424 [patent_app_country] => US [patent_app_date] => 2021-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6410 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17166424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/166424
METHOD AND APPARATUS FOR GENERATING FULL-COLOR HOLOGRAPHIC IMAGE Feb 2, 2021 Abandoned
Array ( [id] => 19537898 [patent_doc_number] => 12130450 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-29 [patent_title] => Optical assembly with high-refractive-index Fresnel lens and chromatic aberration corrector [patent_app_type] => utility [patent_app_number] => 17/163150 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 10080 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17163150 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/163150
Optical assembly with high-refractive-index Fresnel lens and chromatic aberration corrector Jan 28, 2021 Issued
Array ( [id] => 17008826 [patent_doc_number] => 20210239987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => DISPLAY MODULE AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/161676 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8332 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17161676 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/161676
Display module and display device Jan 28, 2021 Issued
Array ( [id] => 16809726 [patent_doc_number] => 20210132281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => POLYCHROMATIC GRATING-COUPLED MULTIBEAM DIFFRACTION GRATING BACKLIGHT, DISPLAY AND METHOD [patent_app_type] => utility [patent_app_number] => 17/147357 [patent_app_country] => US [patent_app_date] => 2021-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17147357 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/147357
POLYCHROMATIC GRATING-COUPLED MULTIBEAM DIFFRACTION GRATING BACKLIGHT, DISPLAY AND METHOD Jan 11, 2021 Abandoned
Array ( [id] => 16794285 [patent_doc_number] => 20210124102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => OPTICAL FILTER [patent_app_type] => utility [patent_app_number] => 17/248061 [patent_app_country] => US [patent_app_date] => 2021-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5779 [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] => 17248061 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/248061
Optical filter Jan 6, 2021 Issued
Array ( [id] => 16809716 [patent_doc_number] => 20210132271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => TRANSFER SHEET, COLOR DEVELOPING SHEET, COLOR DEVELOPING ARTICLE, AND TRANSFER METHOD [patent_app_type] => utility [patent_app_number] => 17/142073 [patent_app_country] => US [patent_app_date] => 2021-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17142073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/142073
TRANSFER SHEET, COLOR DEVELOPING SHEET, COLOR DEVELOPING ARTICLE, AND TRANSFER METHOD Jan 4, 2021 Abandoned
Array ( [id] => 18981569 [patent_doc_number] => 11906736 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-20 [patent_title] => Wearable pupil-forming display apparatus [patent_app_type] => utility [patent_app_number] => 17/138240 [patent_app_country] => US [patent_app_date] => 2020-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 23 [patent_no_of_words] => 8374 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17138240 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/138240
Wearable pupil-forming display apparatus Dec 29, 2020 Issued
Array ( [id] => 16751152 [patent_doc_number] => 20210103161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => AERIAL DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 17/125470 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17125470 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/125470
AERIAL DISPLAY APPARATUS Dec 16, 2020 Abandoned
Array ( [id] => 18146539 [patent_doc_number] => 20230020396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => SEGMENTED OPTICAL COMPONENTS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/786025 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17786025 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/786025
SEGMENTED OPTICAL COMPONENTS AND METHODS Dec 15, 2020 Pending
Menu