Audrey Y. Chang

Array ( [id] => 18924956 [patent_doc_number] => 20240027960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => HOLOGRAPHIC PRINTING SYSTEM AND HOLOGRAPHIC PRINTING METHOD USING SAME [patent_app_type] => utility [patent_app_number] => 18/254772 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18254772 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18863627 [patent_doc_number] => 20230418063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => METHOD FOR ASCERTAINING A DIFFRACTION CHARACTERISTIC OF A HOLOGRAM ELEMENT FOR SMART GLASSES [patent_app_type] => utility [patent_app_number] => 18/249916 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8478 [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] => 18249916 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18924666 [patent_doc_number] => 20240027670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => Photonic Crystals and Methods for Fabricating the Same [patent_app_type] => utility [patent_app_number] => 18/254118 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -48 [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] => 18254118 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19419556 [patent_doc_number] => 20240295679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => OPTICAL MEMBER AND OPTICAL APPARATUS [patent_app_type] => utility [patent_app_number] => 18/258206 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18258206 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19668932 [patent_doc_number] => 12181674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Foveated display apparatus [patent_app_type] => utility [patent_app_number] => 17/526764 [patent_app_country] => US [patent_app_date] => 2021-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 10153 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17526764 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17429924 [patent_doc_number] => 20220057633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => NEAR-EYE DISPLAY SYSTEM FOR PUPIL EXPANSION BASED ON DIFFRACTIVE OPTICAL ELEMENT [patent_app_type] => utility [patent_app_number] => 17/519693 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2919 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17519693 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17429844 [patent_doc_number] => 20220057553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => WAFER LEVEL MICROSTRUCTURES FOR AN OPTICAL LENS [patent_app_type] => utility [patent_app_number] => 17/520317 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17520317 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18843622 [patent_doc_number] => 20230406026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => OPTICAL DEVICES AND METHODS OF MANUFACTURE THEREOF [patent_app_type] => utility [patent_app_number] => 18/035311 [patent_app_country] => US [patent_app_date] => 2021-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10465 [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] => 18035311 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19595395 [patent_doc_number] => 12153235 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Pearl-inspired hyperspectral filter arrays [patent_app_type] => utility [patent_app_number] => 17/518386 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 53 [patent_no_of_words] => 8025 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17518386 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17658671 [patent_doc_number] => 20220179136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => OPTICAL ELEMENT ARRAY STRUCTURE FOR BIRD COLLISION PREVENTION AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/510089 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17510089 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17401302 [patent_doc_number] => 20220043392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => APPARATUS FOR PRODUCING A REPLICA HOLOGRAM, REPLICA HOLOGRAM AND ILLUMINATING DEVICE FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 17/509929 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3289 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17509929 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19595538 [patent_doc_number] => 12153378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Process and device for producing a hologram, hologram and illumination device for a vehicle [patent_app_type] => utility [patent_app_number] => 17/450766 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3472 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17450766 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17371553 [patent_doc_number] => 20220026605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => META-SURFACE OPTICAL ELEMENT AND METHOD OF MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 17/499170 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9777 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17499170 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20109677 [patent_doc_number] => 12360391 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Optical products, masters for fabricating optical products, and methods for manufacturing masters and optical products [patent_app_type] => utility [patent_app_number] => 17/496458 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 86 [patent_no_of_words] => 50325 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496458 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17736178 [patent_doc_number] => 20220221637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/496378 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20997 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496378 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19355452 [patent_doc_number] => 12055891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Operation method for digital hologram implementation device [patent_app_type] => utility [patent_app_number] => 17/491246 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5516 [patent_no_of_claims] => 12 [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] => 17491246 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19810689 [patent_doc_number] => 12242077 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-03-04 [patent_title] => Wide spatial field optical systems [patent_app_type] => utility [patent_app_number] => 17/485469 [patent_app_country] => US [patent_app_date] => 2021-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 34 [patent_no_of_words] => 15193 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17485469 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18637736 [patent_doc_number] => 11762333 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Reconstructing objects with display zero order light suppression [patent_app_type] => utility [patent_app_number] => 17/478580 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 79 [patent_figures_cnt] => 86 [patent_no_of_words] => 95314 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17478580 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17475502 [patent_doc_number] => 20220083006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => DISPLAYING THREE-DIMENSIONAL OBJECTS [patent_app_type] => utility [patent_app_number] => 17/478234 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 95334 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 17478234 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17337675 [patent_doc_number] => 20220004006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => Optical Systems with Flare-Mitigating Angular Filters [patent_app_type] => utility [patent_app_number] => 17/476642 [patent_app_country] => US [patent_app_date] => 2021-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17476642 [rel_patent_id] =>[rel_patent_doc_number] =>)