
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19481383
[patent_doc_number] => 20240329425
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-03
[patent_title] => IMAGE DISPLAY DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/741019
[patent_app_country] => US
[patent_app_date] => 2024-06-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 17592
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -12
[patent_words_short_claim] => 336
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18741019
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/741019 | IMAGE DISPLAY DEVICE | Jun 11, 2024 | Pending |
Array
(
[id] => 19632700
[patent_doc_number] => 20240411149
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-12-12
[patent_title] => Speckle Reduction
[patent_app_type] => utility
[patent_app_number] => 18/738029
[patent_app_country] => US
[patent_app_date] => 2024-06-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12326
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[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] => 18738029
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/738029 | Speckle Reduction | Jun 8, 2024 | Pending |
Array
(
[id] => 20365400
[patent_doc_number] => 20250355212
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-11-20
[patent_title] => HOLOGRAPHIC CHARACTER CREATION
[patent_app_type] => utility
[patent_app_number] => 18/666317
[patent_app_country] => US
[patent_app_date] => 2024-05-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 0
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 59
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18666317
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/666317 | HOLOGRAPHIC CHARACTER CREATION | May 15, 2024 | Pending |
Array
(
[id] => 20351188
[patent_doc_number] => 20250348040
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-11-13
[patent_title] => HOLOGRAPHICALLY DISPLAYING THREE-DIMENSIONAL OBJECTS
[patent_app_type] => utility
[patent_app_number] => 18/660929
[patent_app_country] => US
[patent_app_date] => 2024-05-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 166992
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -28
[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] => 18660929
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/660929 | HOLOGRAPHICALLY DISPLAYING THREE-DIMENSIONAL OBJECTS | May 9, 2024 | Abandoned |
Array
(
[id] => 19362311
[patent_doc_number] => 20240264345
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-08
[patent_title] => OPTICAL ARTICLE WITH A HOLOGRAPHIC WAVEGUIDE
[patent_app_type] => utility
[patent_app_number] => 18/640760
[patent_app_country] => US
[patent_app_date] => 2024-04-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7242
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => 0
[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] => 18640760
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/640760 | OPTICAL ARTICLE WITH A HOLOGRAPHIC WAVEGUIDE | Apr 18, 2024 | Pending |
Array
(
[id] => 20296113
[patent_doc_number] => 20250321356
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-10-16
[patent_title] => A Focusing Metasurface-Based Reflector For Image Rendering
[patent_app_type] => utility
[patent_app_number] => 18/635273
[patent_app_country] => US
[patent_app_date] => 2024-04-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5903
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 18635273
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/635273 | A Focusing Metasurface-Based Reflector For Image Rendering | Apr 14, 2024 | Pending |
Array
(
[id] => 20672919
[patent_doc_number] => 12613426
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-04-28
[patent_title] => Method and system for projection display with polarization selective reflectors
[patent_app_type] => utility
[patent_app_number] => 18/631607
[patent_app_country] => US
[patent_app_date] => 2024-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 17
[patent_no_of_words] => 4445
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 160
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18631607
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/631607 | Method and system for projection display with polarization selective reflectors | Apr 9, 2024 | Issued |
Array
(
[id] => 19481247
[patent_doc_number] => 20240329289
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-03
[patent_title] => Surface Mounted Volume Phase Structure and Methods of Manufacturing Thereof
[patent_app_type] => utility
[patent_app_number] => 18/620834
[patent_app_country] => US
[patent_app_date] => 2024-03-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3701
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -22
[patent_words_short_claim] => 23
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18620834
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/620834 | Surface Mounted Volume Phase Structure and Methods of Manufacturing Thereof | Mar 27, 2024 | Pending |
Array
(
[id] => 20506841
[patent_doc_number] => 12541116
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-02-03
[patent_title] => System and method for aperture extension and programmable optical depth modulation via field evolving cavities
[patent_app_type] => utility
[patent_app_number] => 18/605738
[patent_app_country] => US
[patent_app_date] => 2024-03-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 38
[patent_figures_cnt] => 38
[patent_no_of_words] => 13575
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 25
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18605738
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/605738 | System and method for aperture extension and programmable optical depth modulation via field evolving cavities | Mar 13, 2024 | Issued |
Array
(
[id] => 19382470
[patent_doc_number] => 20240272340
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-15
[patent_title] => ULTRA-THIN THIN-FILM OPTICAL INTERFERENCE FILTERS
[patent_app_type] => utility
[patent_app_number] => 18/581348
[patent_app_country] => US
[patent_app_date] => 2024-02-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4231
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 97
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581348
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/581348 | ULTRA-THIN THIN-FILM OPTICAL INTERFERENCE FILTERS | Feb 18, 2024 | Pending |
Array
(
[id] => 19219320
[patent_doc_number] => 20240184024
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-06
[patent_title] => METHOD OF BUILDING A 3D FUNCTIONAL OPTICAL MATERIAL STACKING STRUCTURE
[patent_app_type] => utility
[patent_app_number] => 18/439434
[patent_app_country] => US
[patent_app_date] => 2024-02-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 17723
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 67
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18439434
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/439434 | METHOD OF BUILDING A 3D FUNCTIONAL OPTICAL MATERIAL STACKING STRUCTURE | Feb 11, 2024 | Pending |
Array
(
[id] => 19864037
[patent_doc_number] => 20250102823
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-03-27
[patent_title] => NAKED-EYE THREE-DIMENSIONAL IMAGING DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/425877
[patent_app_country] => US
[patent_app_date] => 2024-01-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4944
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 256
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18425877
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/425877 | NAKED-EYE THREE-DIMENSIONAL IMAGING DEVICE | Jan 28, 2024 | Abandoned |
Array
(
[id] => 19174042
[patent_doc_number] => 20240160016
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-16
[patent_title] => OPTICAL SYSTEM AND HEAD-UP DISPLAY SYSTEM COMPRISING SAME
[patent_app_type] => utility
[patent_app_number] => 18/423722
[patent_app_country] => US
[patent_app_date] => 2024-01-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9832
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 411
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18423722
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/423722 | OPTICAL SYSTEM AND HEAD-UP DISPLAY SYSTEM COMPRISING SAME | Jan 25, 2024 | Pending |
Array
(
[id] => 19174041
[patent_doc_number] => 20240160015
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-16
[patent_title] => OPTICAL SYSTEM AND HEAD-UP DISPLAY SYSTEM COMPRISING SAME
[patent_app_type] => utility
[patent_app_number] => 18/422745
[patent_app_country] => US
[patent_app_date] => 2024-01-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9971
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 379
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18422745
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/422745 | OPTICAL SYSTEM AND HEAD-UP DISPLAY SYSTEM COMPRISING SAME | Jan 24, 2024 | Pending |
Array
(
[id] => 19956173
[patent_doc_number] => 12326584
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-06-10
[patent_title] => Diffraction grating array for wide-angle illumination
[patent_app_type] => utility
[patent_app_number] => 18/421112
[patent_app_country] => US
[patent_app_date] => 2024-01-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 9
[patent_no_of_words] => 8500
[patent_no_of_claims] => 36
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 224
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18421112
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/421112 | Diffraction grating array for wide-angle illumination | Jan 23, 2024 | Issued |
Array
(
[id] => 19450501
[patent_doc_number] => 20240310631
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-09-19
[patent_title] => WEARABLE PUPIL-FORMING DISPLAY APPARATUS
[patent_app_type] => utility
[patent_app_number] => 18/406856
[patent_app_country] => US
[patent_app_date] => 2024-01-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8396
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => 0
[patent_words_short_claim] => 264
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18406856
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/406856 | Wearable pupil-forming display apparatus | Jan 7, 2024 | Issued |
Array
(
[id] => 19159189
[patent_doc_number] => 20240151896
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-09
[patent_title] => SYSTEM AND METHODS OF UNIVERSAL PARAMETERIZATION OF HOLOGRAPHIC SENSORY DATA GENERATION, MANIPULATION AND TRANSPORT
[patent_app_type] => utility
[patent_app_number] => 18/544093
[patent_app_country] => US
[patent_app_date] => 2023-12-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 22303
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[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] => 18544093
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/544093 | SYSTEM AND METHODS OF UNIVERSAL PARAMETERIZATION OF HOLOGRAPHIC SENSORY DATA GENERATION, MANIPULATION AND TRANSPORT | Dec 17, 2023 | Pending |
Array
(
[id] => 19068782
[patent_doc_number] => 20240103208
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-28
[patent_title] => DIFFRACTION GRATING STRUCTURE COMPRISING SEVERAL GRATING LINES
[patent_app_type] => utility
[patent_app_number] => 18/525016
[patent_app_country] => US
[patent_app_date] => 2023-11-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4515
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 64
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18525016
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/525016 | DIFFRACTION GRATING STRUCTURE COMPRISING SEVERAL GRATING LINES | Nov 29, 2023 | Abandoned |
Array
(
[id] => 19035787
[patent_doc_number] => 20240085602
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-14
[patent_title] => SYSTEM AND METHOD FOR FABRICATING POLARIZATION HOLOGRAMS
[patent_app_type] => utility
[patent_app_number] => 18/513487
[patent_app_country] => US
[patent_app_date] => 2023-11-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 52628
[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] => 18513487
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/513487 | SYSTEM AND METHOD FOR FABRICATING POLARIZATION HOLOGRAMS | Nov 16, 2023 | Pending |
Array
(
[id] => 19382716
[patent_doc_number] => 20240272586
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-15
[patent_title] => Wigner Inverse Transform Based Computer Generated Hologram for Large Object at Far Field From its Perspective Light Field
[patent_app_type] => utility
[patent_app_number] => 18/376477
[patent_app_country] => US
[patent_app_date] => 2023-10-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6408
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -6
[patent_words_short_claim] => 77
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18376477
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/376477 | Wigner Inverse Transform Based Computer Generated Hologram for Large Object at Far Field From its Perspective Light Field | Oct 3, 2023 | Issued |