Search

William C. Choi

Examiner (ID: 6249, Phone: (571)272-2324 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872, 2873
Total Applications
2397
Issued Applications
2201
Pending Applications
111
Abandoned Applications
131

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20221206 [patent_doc_number] => 20250284137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => REDUCING EFFECTS CAUSED BY FORMATION OF MULTIPLE FOCI IN A DEFORMABLE LENS DURING CHANGES OF APPLANATION OF SURFACES THEREOF [patent_app_type] => utility [patent_app_number] => 19/214782 [patent_app_country] => US [patent_app_date] => 2025-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19214782 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/214782
REDUCING EFFECTS CAUSED BY FORMATION OF MULTIPLE FOCI IN A DEFORMABLE LENS DURING CHANGES OF APPLANATION OF SURFACES THEREOF May 20, 2025 Issued
Array ( [id] => 20214672 [patent_doc_number] => 12411321 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-09-09 [patent_title] => Large-aperture compact scanning tele cameras [patent_app_type] => utility [patent_app_number] => 19/204545 [patent_app_country] => US [patent_app_date] => 2025-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 43 [patent_no_of_words] => 8518 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19204545 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/204545
Large-aperture compact scanning tele cameras May 10, 2025 Issued
Array ( [id] => 20000065 [patent_doc_number] => 20250138287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => LARGE-APERTURE COMPACT SCANNING TELE CAMERAS [patent_app_type] => utility [patent_app_number] => 19/000742 [patent_app_country] => US [patent_app_date] => 2024-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8529 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19000742 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/000742
Large-aperture compact scanning tele cameras Dec 23, 2024 Issued
Array ( [id] => 19885279 [patent_doc_number] => 12270986 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Eyepiece optical system and head-mounted display device [patent_app_type] => utility [patent_app_number] => 18/972511 [patent_app_country] => US [patent_app_date] => 2024-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7332 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18972511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/972511
Eyepiece optical system and head-mounted display device Dec 5, 2024 Issued
Array ( [id] => 19885279 [patent_doc_number] => 12270986 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Eyepiece optical system and head-mounted display device [patent_app_type] => utility [patent_app_number] => 18/972511 [patent_app_country] => US [patent_app_date] => 2024-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7332 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18972511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/972511
Eyepiece optical system and head-mounted display device Dec 5, 2024 Issued
Array ( [id] => 19632748 [patent_doc_number] => 20240411197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => ORNAMENT WITH ELECTRONIC INK SCREEN [patent_app_type] => utility [patent_app_number] => 18/807934 [patent_app_country] => US [patent_app_date] => 2024-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18807934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/807934
ORNAMENT WITH ELECTRONIC INK SCREEN Aug 16, 2024 Abandoned
Array ( [id] => 19710753 [patent_doc_number] => 20250020895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => OPTICAL IMAGING LENS [patent_app_type] => utility [patent_app_number] => 18/735677 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16966 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735677
OPTICAL IMAGING LENS Jun 5, 2024 Pending
Array ( [id] => 19465811 [patent_doc_number] => 20240319481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/735929 [patent_app_country] => US [patent_app_date] => 2024-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6850 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18735929 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735929
OPTICAL IMAGING SYSTEM Jun 5, 2024 Pending
Array ( [id] => 19434070 [patent_doc_number] => 20240302568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => OPTICAL DEVICES INCLUDING METASTRUCTURES AND METHODS FOR FABRICATING THE OPTICAL DEVICES [patent_app_type] => utility [patent_app_number] => 18/670047 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18670047 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670047
OPTICAL DEVICES INCLUDING METASTRUCTURES AND METHODS FOR FABRICATING THE OPTICAL DEVICES May 20, 2024 Pending
Array ( [id] => 19779696 [patent_doc_number] => 12228726 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-18 [patent_title] => Lens group, and near-to-eye display device [patent_app_type] => utility [patent_app_number] => 18/661034 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3853 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18661034 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/661034
Lens group, and near-to-eye display device May 9, 2024 Issued
Array ( [id] => 19513685 [patent_doc_number] => 20240345371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => OPTICAL IMAGING LENS [patent_app_type] => utility [patent_app_number] => 18/646774 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18646774 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/646774
OPTICAL IMAGING LENS Apr 25, 2024 Pending
Array ( [id] => 19513684 [patent_doc_number] => 20240345370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => OPTICAL IMAGING LENS [patent_app_type] => utility [patent_app_number] => 18/645388 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18645388 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/645388
OPTICAL IMAGING LENS Apr 24, 2024 Pending
Array ( [id] => 19685742 [patent_doc_number] => 20250004287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => ATTACHMENT PRODUCING ANAMORPHIC EFFECT [patent_app_type] => utility [patent_app_number] => 18/637386 [patent_app_country] => US [patent_app_date] => 2024-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18637386 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/637386
ATTACHMENT PRODUCING ANAMORPHIC EFFECT Apr 15, 2024 Pending
Array ( [id] => 19723882 [patent_doc_number] => 20250026633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => Dual-Layer Micro-ribbon MEMS Light Modulator [patent_app_type] => utility [patent_app_number] => 18/636165 [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] => 11263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18636165 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/636165
Dual-Layer Micro-ribbon MEMS Light Modulator Apr 14, 2024 Pending
Array ( [id] => 19382207 [patent_doc_number] => 20240272077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => ARTICLES AND METHODS FOR GENERATION OF TUNABLE COLORATION AND INTERFERENCE [patent_app_type] => utility [patent_app_number] => 18/629280 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22026 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18629280 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/629280
ARTICLES AND METHODS FOR GENERATION OF TUNABLE COLORATION AND INTERFERENCE Apr 7, 2024 Pending
Array ( [id] => 19266959 [patent_doc_number] => 20240210660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => OPTICAL IMAGING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/594695 [patent_app_country] => US [patent_app_date] => 2024-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18594695 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594695
Optical imaging system Mar 3, 2024 Issued
Array ( [id] => 19346802 [patent_doc_number] => 20240255765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SEE-THROUGH COMPUTER DISPLAY SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/586309 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 110628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18586309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/586309
SEE-THROUGH COMPUTER DISPLAY SYSTEMS Feb 22, 2024 Pending
Array ( [id] => 19346802 [patent_doc_number] => 20240255765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SEE-THROUGH COMPUTER DISPLAY SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/586309 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 110628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18586309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/586309
SEE-THROUGH COMPUTER DISPLAY SYSTEMS Feb 22, 2024 Pending
Array ( [id] => 19346802 [patent_doc_number] => 20240255765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SEE-THROUGH COMPUTER DISPLAY SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/586309 [patent_app_country] => US [patent_app_date] => 2024-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 110628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18586309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/586309
SEE-THROUGH COMPUTER DISPLAY SYSTEMS Feb 22, 2024 Pending
Array ( [id] => 19238880 [patent_doc_number] => 20240196076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => LENS MOVING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/582168 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582168 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582168
LENS MOVING APPARATUS Feb 19, 2024 Pending
Menu