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] => 16887026 [patent_doc_number] => 20210173222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => METHOD AND SYSTEM FOR APERTURE EXPANSION IN LIGHT FIELD DISPLAYS [patent_app_type] => utility [patent_app_number] => 16/761166 [patent_app_country] => US [patent_app_date] => 2018-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17704 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16761166 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/761166
Method and system for aperture expansion in light field displays Oct 22, 2018 Issued
Array ( [id] => 15803445 [patent_doc_number] => 20200124865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => OPTICAL COMPONENT HAVING DEPTH MODULATED ANGLED GRATINGS AND METHOD OF FORMATION [patent_app_type] => utility [patent_app_number] => 16/168185 [patent_app_country] => US [patent_app_date] => 2018-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8957 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16168185 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/168185
Optical component having depth modulated angled gratings and method of formation Oct 22, 2018 Issued
Array ( [id] => 13960503 [patent_doc_number] => 20190056595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => SYSTEMS, DEVICES, AND METHODS FOR ANGLE- AND WAVELENGTH-MULTIPLEXED HOLOGRAPHIC OPTICAL ELEMENTS [patent_app_type] => utility [patent_app_number] => 16/167023 [patent_app_country] => US [patent_app_date] => 2018-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16167023 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/167023
SYSTEMS, DEVICES, AND METHODS FOR ANGLE- AND WAVELENGTH-MULTIPLEXED HOLOGRAPHIC OPTICAL ELEMENTS Oct 21, 2018 Abandoned
Array ( [id] => 13960505 [patent_doc_number] => 20190056596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => SYSTEMS, DEVICES, AND METHODS FOR ANGLE- AND WAVELENGTH-MULTIPLEXED HOLOGRAPHIC OPTICAL ELEMENTS [patent_app_type] => utility [patent_app_number] => 16/167033 [patent_app_country] => US [patent_app_date] => 2018-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13249 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16167033 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/167033
SYSTEMS, DEVICES, AND METHODS FOR ANGLE- AND WAVELENGTH-MULTIPLEXED HOLOGRAPHIC OPTICAL ELEMENTS Oct 21, 2018 Abandoned
Array ( [id] => 18429899 [patent_doc_number] => 11675115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Optical devices [patent_app_type] => utility [patent_app_number] => 16/165611 [patent_app_country] => US [patent_app_date] => 2018-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 6624 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16165611 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/165611
Optical devices Oct 18, 2018 Issued
Array ( [id] => 14234139 [patent_doc_number] => 20190129242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-02 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 16/163584 [patent_app_country] => US [patent_app_date] => 2018-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5046 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16163584 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/163584
DISPLAY DEVICE Oct 17, 2018 Abandoned
Array ( [id] => 14188081 [patent_doc_number] => 20190113746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => SYSTEMS, DEVICES, AND METHODS FOR OPTICAL WAVEGUIDES [patent_app_type] => utility [patent_app_number] => 16/164562 [patent_app_country] => US [patent_app_date] => 2018-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16164562 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/164562
SYSTEMS, DEVICES, AND METHODS FOR OPTICAL WAVEGUIDES Oct 17, 2018 Abandoned
Array ( [id] => 14188079 [patent_doc_number] => 20190113745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => SYSTEMS, DEVICES, AND METHODS FOR OPTICAL WAVEGUIDES [patent_app_type] => utility [patent_app_number] => 16/164558 [patent_app_country] => US [patent_app_date] => 2018-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16164558 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/164558
SYSTEMS, DEVICES, AND METHODS FOR OPTICAL WAVEGUIDES Oct 17, 2018 Abandoned
Array ( [id] => 14313033 [patent_doc_number] => 20190146220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-16 [patent_title] => VIRTUAL REALITY IMAGE SYSTEM WITH HIGH DEFINITION [patent_app_type] => utility [patent_app_number] => 16/156185 [patent_app_country] => US [patent_app_date] => 2018-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16156185 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/156185
VIRTUAL REALITY IMAGE SYSTEM WITH HIGH DEFINITION Oct 9, 2018 Abandoned
Array ( [id] => 16208484 [patent_doc_number] => 20200241474 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => COPYING DEVICE AND METHOD FOR GENERATING A REPLICATION HOLOGRAM [patent_app_type] => utility [patent_app_number] => 16/755455 [patent_app_country] => US [patent_app_date] => 2018-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3235 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16755455 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/755455
COPYING DEVICE AND METHOD FOR GENERATING A REPLICATION HOLOGRAM Sep 19, 2018 Abandoned
Array ( [id] => 16299471 [patent_doc_number] => 20200285194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => Imaging Device for In-line Holographic Imaging of an Object [patent_app_type] => utility [patent_app_number] => 16/648987 [patent_app_country] => US [patent_app_date] => 2018-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7310 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16648987 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/648987
Imaging device for in-line holographic imaging of an object Sep 18, 2018 Issued
Array ( [id] => 19677308 [patent_doc_number] => 12189163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Light modulation element and information recording medium [patent_app_type] => utility [patent_app_number] => 16/645527 [patent_app_country] => US [patent_app_date] => 2018-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 87 [patent_no_of_words] => 56396 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16645527 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/645527
Light modulation element and information recording medium Sep 6, 2018 Issued
Array ( [id] => 14021809 [patent_doc_number] => 20190072898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => FULL-COLOR INCOHERENT DIGITAL HOLOGRAPHY [patent_app_type] => utility [patent_app_number] => 16/123350 [patent_app_country] => US [patent_app_date] => 2018-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16123350 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/123350
FULL-COLOR INCOHERENT DIGITAL HOLOGRAPHY Sep 5, 2018 Abandoned
Array ( [id] => 18356393 [patent_doc_number] => 11644791 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-09 [patent_title] => Holographic imaging device and data processing method therefor [patent_app_type] => utility [patent_app_number] => 16/642994 [patent_app_country] => US [patent_app_date] => 2018-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 59 [patent_no_of_words] => 19004 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 536 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16642994 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/642994
Holographic imaging device and data processing method therefor Jul 30, 2018 Issued
Array ( [id] => 16370440 [patent_doc_number] => 10802190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-13 [patent_title] => Systems, devices, and methods for curved holographic optical elements [patent_app_type] => utility [patent_app_number] => 16/046825 [patent_app_country] => US [patent_app_date] => 2018-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 19823 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16046825 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/046825
Systems, devices, and methods for curved holographic optical elements Jul 25, 2018 Issued
Array ( [id] => 16615359 [patent_doc_number] => 20210034012 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => HOLOGRAPHIC DISPLAY METHOD AND HOLOGRAPHIC DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 16/332327 [patent_app_country] => US [patent_app_date] => 2018-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16332327 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332327
Holographic display method and holographic display device Jul 24, 2018 Issued
Array ( [id] => 16192279 [patent_doc_number] => 20200233128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => OPTICAL ARTICLE WITH A HOLOGRAPHIC WAVEGUIDE [patent_app_type] => utility [patent_app_number] => 16/633078 [patent_app_country] => US [patent_app_date] => 2018-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16633078 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/633078
OPTICAL ARTICLE WITH A HOLOGRAPHIC WAVEGUIDE Jul 23, 2018 Pending
Array ( [id] => 18429898 [patent_doc_number] => 11675114 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Monolithic structured light projector [patent_app_type] => utility [patent_app_number] => 16/042319 [patent_app_country] => US [patent_app_date] => 2018-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3186 [patent_no_of_claims] => 1 [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] => 16042319 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/042319
Monolithic structured light projector Jul 22, 2018 Issued
Array ( [id] => 16479892 [patent_doc_number] => 10854849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Display device and head mount display device [patent_app_type] => utility [patent_app_number] => 16/042731 [patent_app_country] => US [patent_app_date] => 2018-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 33 [patent_no_of_words] => 16319 [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] => 16042731 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/042731
Display device and head mount display device Jul 22, 2018 Issued
Array ( [id] => 16115241 [patent_doc_number] => 20200209643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => DIFFRACTIVE ILLUMINATION DEVICE WITH INCREASED DIFFRACTION ANGLE [patent_app_type] => utility [patent_app_number] => 16/634098 [patent_app_country] => US [patent_app_date] => 2018-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16634098 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/634098
DIFFRACTIVE ILLUMINATION DEVICE WITH INCREASED DIFFRACTION ANGLE Jul 22, 2018 Abandoned
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