Search

Audrey Y. Chang

Examiner (ID: 3815, Phone: (571)272-2309 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2507, 2872
Total Applications
2292
Issued Applications
1155
Pending Applications
180
Abandoned Applications
968

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16871757 [patent_doc_number] => 20210165224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => LIGHT GUIDE PLATE, METHOD FOR MANUFACTURING LIGHT GUIDE PLATE, AND IMAGE DISPLAY DEVICE USING SAME [patent_app_type] => utility [patent_app_number] => 17/049981 [patent_app_country] => US [patent_app_date] => 2019-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8773 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17049981 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/049981
LIGHT GUIDE PLATE, METHOD FOR MANUFACTURING LIGHT GUIDE PLATE, AND IMAGE DISPLAY DEVICE USING SAME Jul 1, 2019 Abandoned
Array ( [id] => 15327743 [patent_doc_number] => 20200004201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => Out-of-Plane Computer-Generated Multicolor Waveguide Holography [patent_app_type] => utility [patent_app_number] => 16/459045 [patent_app_country] => US [patent_app_date] => 2019-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5927 [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] => 16459045 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/459045
Out-of-plane computer-generated multicolor waveguide holography Jun 30, 2019 Issued
Array ( [id] => 15327413 [patent_doc_number] => 20200004036 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => DIFFRACTIVE OPTICAL DEVICE PROVIDING STRUCTURED LIGHT [patent_app_type] => utility [patent_app_number] => 16/455291 [patent_app_country] => US [patent_app_date] => 2019-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16455291 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/455291
Diffractive optical device providing structured light Jun 26, 2019 Issued
Array ( [id] => 15438861 [patent_doc_number] => 20200033614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => DISPLAY APPARATUS AND ON-VEHICLE HEAD-UP DISPLAY SYSTEM [patent_app_type] => utility [patent_app_number] => 16/454190 [patent_app_country] => US [patent_app_date] => 2019-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16454190 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/454190
DISPLAY APPARATUS AND ON-VEHICLE HEAD-UP DISPLAY SYSTEM Jun 26, 2019 Abandoned
Array ( [id] => 15270665 [patent_doc_number] => 20190384067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => SYSTEM AND METHOD FOR VIEWING OF TWO-DIMENSIONAL COLOR IMAGES THAT SIMULATE DEPTH WITH COLOR [patent_app_type] => utility [patent_app_number] => 16/441184 [patent_app_country] => US [patent_app_date] => 2019-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2422 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16441184 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/441184
SYSTEM AND METHOD FOR VIEWING OF TWO-DIMENSIONAL COLOR IMAGES THAT SIMULATE DEPTH WITH COLOR Jun 13, 2019 Abandoned
Array ( [id] => 16964542 [patent_doc_number] => 20210216041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => Holographic Projector [patent_app_type] => utility [patent_app_number] => 17/056249 [patent_app_country] => US [patent_app_date] => 2019-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9479 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 5 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17056249 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/056249
Holographic projector Jun 9, 2019 Issued
Array ( [id] => 15181135 [patent_doc_number] => 20190361159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => Dielectric-Enhanced Metal Coatings for MEMS Tunable Filters [patent_app_type] => utility [patent_app_number] => 16/433524 [patent_app_country] => US [patent_app_date] => 2019-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16433524 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/433524
Dielectric-Enhanced Metal Coatings for MEMS Tunable Filters Jun 5, 2019 Abandoned
Array ( [id] => 17127858 [patent_doc_number] => 20210302627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => EYEPIECE AND DISPLAY APPARATUS [patent_app_type] => utility [patent_app_number] => 17/257706 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17257706 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/257706
EYEPIECE AND DISPLAY APPARATUS May 29, 2019 Abandoned
Array ( [id] => 16756329 [patent_doc_number] => 10974863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-13 [patent_title] => Collapsible virtual reality viewer assembly [patent_app_type] => utility [patent_app_number] => 16/419440 [patent_app_country] => US [patent_app_date] => 2019-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 32 [patent_no_of_words] => 13280 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16419440 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/419440
Collapsible virtual reality viewer assembly May 21, 2019 Issued
Array ( [id] => 14810663 [patent_doc_number] => 20190271941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => HOLOGRAPHIC DISPLAY APPARATUS HAVING STEERABLE VIEWING WINDOW [patent_app_type] => utility [patent_app_number] => 16/415741 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16415741 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/415741
Holographic display apparatus having steerable viewing window May 16, 2019 Issued
Array ( [id] => 16979331 [patent_doc_number] => 20210223568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => 3D DISPLAY DIRECTIONAL BACKLIGHT BASED ON DIFFRACTIVE ELEMENTS [patent_app_type] => utility [patent_app_number] => 17/055875 [patent_app_country] => US [patent_app_date] => 2019-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26518 [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] => 17055875 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/055875
3D display directional backlight based on diffractive elements May 7, 2019 Issued
Array ( [id] => 18527391 [patent_doc_number] => 11714382 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Fabrication and replication of volume holographic optical elements [patent_app_type] => utility [patent_app_number] => 17/053669 [patent_app_country] => US [patent_app_date] => 2019-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 6584 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17053669 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/053669
Fabrication and replication of volume holographic optical elements May 6, 2019 Issued
Array ( [id] => 16591871 [patent_doc_number] => 10901127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Optical filter [patent_app_type] => utility [patent_app_number] => 16/371692 [patent_app_country] => US [patent_app_date] => 2019-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5808 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16371692 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/371692
Optical filter Mar 31, 2019 Issued
Array ( [id] => 17557401 [patent_doc_number] => 11314099 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-26 [patent_title] => Transparent display and method [patent_app_type] => utility [patent_app_number] => 16/371072 [patent_app_country] => US [patent_app_date] => 2019-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 13374 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16371072 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/371072
Transparent display and method Mar 30, 2019 Issued
Array ( [id] => 17257716 [patent_doc_number] => 20210370701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => OPTICAL DEVICE AND METHOD OF MANUFACTURE THEREOF [patent_app_type] => utility [patent_app_number] => 17/040919 [patent_app_country] => US [patent_app_date] => 2019-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12611 [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] => 17040919 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/040919
OPTICAL DEVICE AND METHOD OF MANUFACTURE THEREOF Mar 27, 2019 Abandoned
Array ( [id] => 17008974 [patent_doc_number] => 20210240135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => METHOD FOR PROCESSING A HOLOGRAM, AND ASSOCIATED DEVICE, HOLOGRAPHIC DISPLAY SYSTEM AND COMPUTER PROGRAM [patent_app_type] => utility [patent_app_number] => 17/050214 [patent_app_country] => US [patent_app_date] => 2019-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9820 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17050214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/050214
Method for processing a hologram, and associated device, holographic display system and computer program Mar 19, 2019 Issued
Array ( [id] => 17172001 [patent_doc_number] => 20210325671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => IMAGE PROJECTION DEVICE AND MOBILE BODY [patent_app_type] => utility [patent_app_number] => 16/981552 [patent_app_country] => US [patent_app_date] => 2019-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16981552 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981552
IMAGE PROJECTION DEVICE AND MOBILE BODY Mar 13, 2019 Abandoned
Array ( [id] => 16313998 [patent_doc_number] => 20200292736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => APPARATUS AND METHOD FOR FORMING A LAYERED DIFFRACTION GRATING AND A PRINTED ARTICLE INCLUDING A LAYERED DIFFRACTION GRATING [patent_app_type] => utility [patent_app_number] => 16/352047 [patent_app_country] => US [patent_app_date] => 2019-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16352047 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/352047
Apparatus and method for forming a layered diffraction grating and a printed article including a layered diffraction grating Mar 12, 2019 Issued
Array ( [id] => 15621513 [patent_doc_number] => 20200081161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => ANTI-REFLECTION COATING AND METHOD OF FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 16/296836 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16296836 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296836
Anti-reflection coating and method of forming the same Mar 7, 2019 Issued
Array ( [id] => 14966013 [patent_doc_number] => 20190310485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => THREE-DIMENSIONAL DISPLAYS OF OBJECTS IN THREE-DIMENSIONAL SPACE [patent_app_type] => utility [patent_app_number] => 16/294949 [patent_app_country] => US [patent_app_date] => 2019-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16294949 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/294949
THREE-DIMENSIONAL DISPLAYS OF OBJECTS IN THREE-DIMENSIONAL SPACE Mar 6, 2019 Abandoned
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