Search

Audrey Y. Chang

Examiner (ID: 3833, Phone: (571)272-2309 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2507, 2872
Total Applications
2263
Issued Applications
1144
Pending Applications
181
Abandoned Applications
959

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20500197 [patent_doc_number] => 20260029656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => PULSE COMPRESSION ELECTRUM GRATING AND ITS PREPARATION METHOD [patent_app_type] => utility [patent_app_number] => 19/086114 [patent_app_country] => US [patent_app_date] => 2025-03-20 [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] => -9 [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] => 19086114 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/086114
PULSE COMPRESSION ELECTRUM GRATING AND ITS PREPARATION METHOD Mar 19, 2025 Pending
Array ( [id] => 20151462 [patent_doc_number] => 20250251300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => CONFIGURABLE SPECTRAL, COLOR AND MTF INTEGRATED TESTER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/928122 [patent_app_country] => US [patent_app_date] => 2024-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18928122 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/928122
CONFIGURABLE SPECTRAL, COLOR AND MTF INTEGRATED TESTER SYSTEM Oct 26, 2024 Pending
Array ( [id] => 19644467 [patent_doc_number] => 20240418987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => METHODS AND SYSTEMS FOR GENERATING VIRTUAL CONTENT DISPLAY WITH A VIRTUAL OR AUGMENTED REALITY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/802429 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17352 [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] => 18802429 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/802429
METHODS AND SYSTEMS FOR GENERATING VIRTUAL CONTENT DISPLAY WITH A VIRTUAL OR AUGMENTED REALITY APPARATUS Aug 12, 2024 Pending
Array ( [id] => 19498837 [patent_doc_number] => 20240337855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Method and Apparatus for Compensating for Atmospheric Distortion [patent_app_type] => utility [patent_app_number] => 18/745188 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2797 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18745188 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745188
Method and Apparatus for Compensating for Atmospheric Distortion Jun 16, 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] => 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] => 19346806 [patent_doc_number] => 20240255769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18631607 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/631607
METHOD AND SYSTEM FOR PROJECTION DISPLAY WITH POLARIZATION SELECTIVE REFLECTORS Apr 9, 2024 Pending
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 Pending
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