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] => 15713601 [patent_doc_number] => 20200103567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => DIFFRACTIVE OPTICAL ELEMENT AND METHOD OF MANUFACTURING THE SAME, CURABLE RESIN COMPOSITION, AND OPTICAL APPARATUS [patent_app_type] => utility [patent_app_number] => 16/585771 [patent_app_country] => US [patent_app_date] => 2019-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16585771 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/585771
Diffractive optical element and method of manufacturing the same, curable resin composition, and optical apparatus Sep 26, 2019 Issued
Array ( [id] => 18203651 [patent_doc_number] => 11586041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Virtual image display device [patent_app_type] => utility [patent_app_number] => 16/585270 [patent_app_country] => US [patent_app_date] => 2019-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 10500 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 392 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16585270 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/585270
Virtual image display device Sep 26, 2019 Issued
Array ( [id] => 17415334 [patent_doc_number] => 20220050238 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => FABRY-PEROT INTERFERENCE FILTER [patent_app_type] => utility [patent_app_number] => 17/278910 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17278910 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/278910
FABRY-PEROT INTERFERENCE FILTER Sep 23, 2019 Abandoned
Array ( [id] => 15348279 [patent_doc_number] => 20200012031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => IMAGE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 16/574949 [patent_app_country] => US [patent_app_date] => 2019-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16574949 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/574949
IMAGE DISPLAY DEVICE Sep 17, 2019 Abandoned
Array ( [id] => 17293885 [patent_doc_number] => 20210389724 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => HOLOGRAPHIC DISPLAY SYSTEM [patent_app_type] => utility [patent_app_number] => 17/270774 [patent_app_country] => US [patent_app_date] => 2019-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9563 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17270774 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/270774
HOLOGRAPHIC DISPLAY SYSTEM Sep 15, 2019 Abandoned
Array ( [id] => 19941689 [patent_doc_number] => 12313816 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Optical element with a stack of layer packets, and method for producing the optical element [patent_app_type] => utility [patent_app_number] => 17/274481 [patent_app_country] => US [patent_app_date] => 2019-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 29 [patent_no_of_words] => 4113 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 509 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17274481 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/274481
Optical element with a stack of layer packets, and method for producing the optical element Sep 8, 2019 Issued
Array ( [id] => 17954814 [patent_doc_number] => 11480918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-25 [patent_title] => Active complex spatial light modulation method and apparatus for an ultra-low noise holographic display [patent_app_type] => utility [patent_app_number] => 16/562371 [patent_app_country] => US [patent_app_date] => 2019-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5212 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16562371 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/562371
Active complex spatial light modulation method and apparatus for an ultra-low noise holographic display Sep 4, 2019 Issued
Array ( [id] => 16239890 [patent_doc_number] => 20200257124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 16/641095 [patent_app_country] => US [patent_app_date] => 2019-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16641095 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/641095
ELECTRONIC DEVICE Aug 27, 2019 Abandoned
Array ( [id] => 15270475 [patent_doc_number] => 20190383972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => LAYER SYSTEM AND OPTICAL ELEMENT COMPRISING A LAYER SYSTEM [patent_app_type] => utility [patent_app_number] => 16/552284 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7672 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16552284 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/552284
LAYER SYSTEM AND OPTICAL ELEMENT COMPRISING A LAYER SYSTEM Aug 26, 2019 Abandoned
Array ( [id] => 19152443 [patent_doc_number] => 11977353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Optical scanning holography system [patent_app_type] => utility [patent_app_number] => 17/272669 [patent_app_country] => US [patent_app_date] => 2019-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 24406 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17272669 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/272669
Optical scanning holography system Aug 22, 2019 Issued
Array ( [id] => 15835471 [patent_doc_number] => 20200133018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => DIFFRACTIVE OPTICAL ELEMENT MODULE [patent_app_type] => utility [patent_app_number] => 16/548852 [patent_app_country] => US [patent_app_date] => 2019-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16548852 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/548852
DIFFRACTIVE OPTICAL ELEMENT MODULE Aug 22, 2019 Abandoned
Array ( [id] => 16674863 [patent_doc_number] => 20210063627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => DIFFRACTION LIGHT GUIDE PLATE AND DISPLAY DEVICE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/961755 [patent_app_country] => US [patent_app_date] => 2019-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3882 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16961755 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/961755
Diffraction light guide plate and display device including the same Aug 20, 2019 Issued
Array ( [id] => 15327415 [patent_doc_number] => 20200004037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => LASER PROJECTION MODULES AND METHODS FOR DETECTING FRACTURE THEREOF, DEPTH CAMERAS AND ELECTRONIC DEVICES [patent_app_type] => utility [patent_app_number] => 16/546880 [patent_app_country] => US [patent_app_date] => 2019-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16546880 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/546880
Laser projection modules and methods for detecting fracture thereof, depth cameras and electronic devices Aug 20, 2019 Issued
Array ( [id] => 17437372 [patent_doc_number] => 11262701 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-01 [patent_title] => Holographic display device and electronic device [patent_app_type] => utility [patent_app_number] => 16/537113 [patent_app_country] => US [patent_app_date] => 2019-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6061 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16537113 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/537113
Holographic display device and electronic device Aug 8, 2019 Issued
Array ( [id] => 16093935 [patent_doc_number] => 20200200954 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => DIFFRACTION GRATING ARRAY FOR WIDE-ANGLE ILLUMINATION [patent_app_type] => utility [patent_app_number] => 16/525574 [patent_app_country] => US [patent_app_date] => 2019-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14072 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [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] => 16525574 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/525574
Diffraction grating array for wide-angle illuminateon Jul 29, 2019 Issued
Array ( [id] => 16848596 [patent_doc_number] => 20210149341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => Illumination System and Method [patent_app_type] => utility [patent_app_number] => 17/253575 [patent_app_country] => US [patent_app_date] => 2019-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19579 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17253575 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253575
Illumination system and method Jul 25, 2019 Issued
Array ( [id] => 16848596 [patent_doc_number] => 20210149341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => Illumination System and Method [patent_app_type] => utility [patent_app_number] => 17/253575 [patent_app_country] => US [patent_app_date] => 2019-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19579 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17253575 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253575
Illumination system and method Jul 25, 2019 Issued
Array ( [id] => 15348433 [patent_doc_number] => 20200012108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => FIELD OF VIEW ENHANCEMENT [patent_app_type] => utility [patent_app_number] => 16/521375 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16521375 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/521375
FIELD OF VIEW ENHANCEMENT Jul 23, 2019 Abandoned
Array ( [id] => 15438801 [patent_doc_number] => 20200033584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => PATTERN PROJECTOR USING ROTATIONAL SUPERPOSITION OF MULTIPLE OPTICAL DIFFRACTION ELEMENTS AND 3D ENDOSCOPE HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 16/521378 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5985 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16521378 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/521378
PATTERN PROJECTOR USING ROTATIONAL SUPERPOSITION OF MULTIPLE OPTICAL DIFFRACTION ELEMENTS AND 3D ENDOSCOPE HAVING THE SAME Jul 23, 2019 Abandoned
Array ( [id] => 15439237 [patent_doc_number] => 20200033802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => Method for Holographic Mastering and Replication [patent_app_type] => utility [patent_app_number] => 16/517461 [patent_app_country] => US [patent_app_date] => 2019-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7268 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16517461 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/517461
Method for Holographic Mastering and Replication Jul 18, 2019 Abandoned
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