Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 16542557 [patent_doc_number] => 20200408972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => OPTICAL ELEMENT AND AUTHENTICATION MEDIUM [patent_app_type] => utility [patent_app_number] => 17/021796 [patent_app_country] => US [patent_app_date] => 2020-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34698 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17021796 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/021796
OPTICAL ELEMENT AND AUTHENTICATION MEDIUM Sep 14, 2020 Pending
Array ( [id] => 19581081 [patent_doc_number] => 12147193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Inline scanning holography system for phosphor and transmitter [patent_app_type] => utility [patent_app_number] => 17/642251 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9507 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17642251 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/642251
Inline scanning holography system for phosphor and transmitter Sep 10, 2020 Issued
Array ( [id] => 16542757 [patent_doc_number] => 20200409172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => HORIZONTAL PARALLAX MULTIVIEW DISPLAY AND METHOD HAVING SLANTED MULTIBEAM COLUMNS [patent_app_type] => utility [patent_app_number] => 17/017164 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17017164 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/017164
HORIZONTAL PARALLAX MULTIVIEW DISPLAY AND METHOD HAVING SLANTED MULTIBEAM COLUMNS Sep 9, 2020 Abandoned
Array ( [id] => 16902762 [patent_doc_number] => 20210181678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => HOLOGRAPHIC DISPLAY APPARATUS FOR PROVIDING EXPANDED VIEWING WINDOW [patent_app_type] => utility [patent_app_number] => 17/011080 [patent_app_country] => US [patent_app_date] => 2020-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17011080 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/011080
Holographic display apparatus for providing expanded viewing window Sep 2, 2020 Issued
Array ( [id] => 17914951 [patent_doc_number] => 20220317347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => WAVEGUIDE AND METHOD FOR FABRICATING A WAVEGUIDE MASTER GRATING TOOL [patent_app_type] => utility [patent_app_number] => 17/753353 [patent_app_country] => US [patent_app_date] => 2020-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17753353 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/753353
WAVEGUIDE AND METHOD FOR FABRICATING A WAVEGUIDE MASTER GRATING TOOL Aug 19, 2020 Pending
Array ( [id] => 17837130 [patent_doc_number] => 20220274435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => OPTICAL ANTI-COUNTERFEITING ELEMENT AND OPTICAL ANTI-COUNTERFEITING PRODUCT [patent_app_type] => utility [patent_app_number] => 17/637421 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9196 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17637421 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/637421
Optical anti-counterfeiting element and optical anti-counterfeiting product Aug 11, 2020 Issued
Array ( [id] => 18479627 [patent_doc_number] => 11693363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Near-to-eye and see-through holographic displays [patent_app_type] => utility [patent_app_number] => 16/945788 [patent_app_country] => US [patent_app_date] => 2020-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 6016 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 16945788 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/945788
Near-to-eye and see-through holographic displays Jul 30, 2020 Issued
Array ( [id] => 17883883 [patent_doc_number] => 20220299360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => WINDOW MEMBER, METHOD FOR MANUFACTURING WINDOW MEMBER, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/636766 [patent_app_country] => US [patent_app_date] => 2020-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17636766 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/636766
Window member, method for manufacturing window member, and electronic device Jul 28, 2020 Issued
Array ( [id] => 16584262 [patent_doc_number] => 20210018664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-21 [patent_title] => OPTICAL FILTER [patent_app_type] => utility [patent_app_number] => 16/946977 [patent_app_country] => US [patent_app_date] => 2020-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16946977 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/946977
Optical filter Jul 13, 2020 Issued
Array ( [id] => 17337817 [patent_doc_number] => 20220004148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => APPARATUS AND METHOD OF REPRODUCTION OF A DIFFRACTIVE PATTERN [patent_app_type] => utility [patent_app_number] => 16/920912 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5381 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16920912 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/920912
APPARATUS AND METHOD OF REPRODUCTION OF A DIFFRACTIVE PATTERN Jul 5, 2020 Abandoned
Array ( [id] => 18275627 [patent_doc_number] => 11614567 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Low refractive layer and anti-reflective film comprising the same [patent_app_type] => utility [patent_app_number] => 16/921285 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 10184 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16921285 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/921285
Low refractive layer and anti-reflective film comprising the same Jul 5, 2020 Issued
Array ( [id] => 18322896 [patent_doc_number] => 20230121024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => MULTIFUNCTION SECURITY ELEMENT [patent_app_type] => utility [patent_app_number] => 17/596406 [patent_app_country] => US [patent_app_date] => 2020-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5849 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596406 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596406
MULTIFUNCTION SECURITY ELEMENT Jun 29, 2020 Abandoned
Array ( [id] => 16542553 [patent_doc_number] => 20200408968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => GRATING PART AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/907942 [patent_app_country] => US [patent_app_date] => 2020-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5040 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16907942 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/907942
Grating part and manufacturing method thereof Jun 21, 2020 Issued
Array ( [id] => 16527002 [patent_doc_number] => 20200401082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => Coherent Optical Holographic Imaging [patent_app_type] => utility [patent_app_number] => 16/906369 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16906369 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/906369
Coherent optical holographic imaging Jun 18, 2020 Issued
Array ( [id] => 16527001 [patent_doc_number] => 20200401081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => Coherent Optical Holographic Imaging [patent_app_type] => utility [patent_app_number] => 16/906354 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16906354 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/906354
Coherent optical holographic imaging Jun 18, 2020 Issued
Array ( [id] => 17778192 [patent_doc_number] => 20220244542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => SET OF SEMI-FINISHED LENSES WITH HOLOGRAPHIC COMPONENTS [patent_app_type] => utility [patent_app_number] => 17/620307 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17620307 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/620307
Set of semi-finished lenses with holographic components Jun 18, 2020 Issued
Array ( [id] => 17898694 [patent_doc_number] => 20220308356 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => METHOD FOR ENHANCING THE IMAGE OF AUTOSTEREOSCOPIC 3D DISPLAYS BASED ON ANGULAR FILTERING [patent_app_type] => utility [patent_app_number] => 17/619182 [patent_app_country] => US [patent_app_date] => 2020-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17472 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17619182 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/619182
Method for enhancing the image of autostereoscopic 3D displays based on angular filtering Jun 16, 2020 Issued
Array ( [id] => 16345484 [patent_doc_number] => 20200310135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => MULTIBEAM ELEMENT-BASED NEAR-EYE DISPLAY, SYSTEM, AND METHOD [patent_app_type] => utility [patent_app_number] => 16/901971 [patent_app_country] => US [patent_app_date] => 2020-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15893 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 16901971 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/901971
MULTIBEAM ELEMENT-BASED NEAR-EYE DISPLAY, SYSTEM, AND METHOD Jun 14, 2020 Abandoned
Array ( [id] => 16979308 [patent_doc_number] => 20210223545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => Optical Lens [patent_app_type] => utility [patent_app_number] => 16/902140 [patent_app_country] => US [patent_app_date] => 2020-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16902140 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/902140
Optical lens Jun 14, 2020 Issued
Array ( [id] => 16330396 [patent_doc_number] => 20200301362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => METHOD FOR GENERATING A HEAD UP DISPLAY FOR AN AIRCRAFT USING VIDEO HOLOGRAMS IN REAL TIME WITH THE HELP OF SUB- HOLOGRAMS [patent_app_type] => utility [patent_app_number] => 16/895108 [patent_app_country] => US [patent_app_date] => 2020-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3646 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16895108 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/895108
Method for generating a head up display for an aircraft using video holograms in real time with the help of sub-holograms Jun 7, 2020 Issued
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