Search

Leonard Chang

Supervisory Patent Examiner (ID: 254, Phone: (571)270-3691 , Office: P/4166 )

Most Active Art Unit
2812
Art Unit(s)
2898, 4121, 2812, 4100
Total Applications
320
Issued Applications
197
Pending Applications
1
Abandoned Applications
127

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20325951 [patent_doc_number] => 20250338039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => IMAGE SENSOR AND OPERATING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 19/016493 [patent_app_country] => US [patent_app_date] => 2025-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19016493 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/016493
IMAGE SENSOR AND OPERATING METHOD THEREOF Jan 9, 2025 Pending
Array ( [id] => 19988141 [patent_doc_number] => 20250126363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => PULSE-WIDTH MODULATION PIXEL SENSOR [patent_app_type] => utility [patent_app_number] => 18/999632 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7154 [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] => 18999632 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/999632
PULSE-WIDTH MODULATION PIXEL SENSOR Dec 22, 2024 Pending
Array ( [id] => 19995635 [patent_doc_number] => 20250133857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => IMAGE SENSOR AND ELECTRONIC CAMERA [patent_app_type] => utility [patent_app_number] => 18/999556 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18999556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/999556
IMAGE SENSOR AND ELECTRONIC CAMERA Dec 22, 2024 Pending
Array ( [id] => 20055318 [patent_doc_number] => 20250193540 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => LOW-COMPLEXITY MOTION-SENSITIVE ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/970926 [patent_app_country] => US [patent_app_date] => 2024-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18970926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/970926
LOW-COMPLEXITY MOTION-SENSITIVE ELECTRONIC DEVICE Dec 5, 2024 Pending
Array ( [id] => 19852222 [patent_doc_number] => 20250097573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => FRAME SYNCHRONIZATION IN A DUAL-APERTURE CAMERA SYSTEM [patent_app_type] => utility [patent_app_number] => 18/964460 [patent_app_country] => US [patent_app_date] => 2024-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5771 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18964460 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/964460
FRAME SYNCHRONIZATION IN A DUAL-APERTURE CAMERA SYSTEM Nov 30, 2024 Pending
Array ( [id] => 19836979 [patent_doc_number] => 20250088765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => IMAGE SENSOR, IMAGE-CAPTURING APPARATUS, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/958265 [patent_app_country] => US [patent_app_date] => 2024-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18958265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/958265
IMAGE SENSOR, IMAGE-CAPTURING APPARATUS, AND ELECTRONIC DEVICE Nov 24, 2024 Pending
Array ( [id] => 20046376 [patent_doc_number] => 20250184598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => IMAGE CAPTURING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/947275 [patent_app_country] => US [patent_app_date] => 2024-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18947275 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/947275
IMAGE CAPTURING APPARATUS Nov 13, 2024 Pending
Array ( [id] => 20021100 [patent_doc_number] => 20250159322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => IMAGE CAPTURING DEVICE AND PANORAMIC IMAGE CREATION METHOD [patent_app_type] => utility [patent_app_number] => 18/938840 [patent_app_country] => US [patent_app_date] => 2024-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18938840 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/938840
IMAGE CAPTURING DEVICE AND PANORAMIC IMAGE CREATION METHOD Nov 5, 2024 Pending
Array ( [id] => 19880233 [patent_doc_number] => 20250112490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => IMAGE CAPTURING APPARATUS, METHOD FOR CONTROLLING SAME, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/902622 [patent_app_country] => US [patent_app_date] => 2024-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18584 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18902622 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/902622
IMAGE CAPTURING APPARATUS, METHOD FOR CONTROLLING SAME, AND STORAGE MEDIUM Sep 29, 2024 Pending
Array ( [id] => 19714032 [patent_doc_number] => 20250024174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => IMAGE SENSING SYSTEM AND METHOD FOR IMAGING [patent_app_type] => utility [patent_app_number] => 18/888239 [patent_app_country] => US [patent_app_date] => 2024-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18888239 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/888239
IMAGE SENSING SYSTEM AND METHOD FOR IMAGING Sep 17, 2024 Issued
Array ( [id] => 20705153 [patent_doc_number] => 12627876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Imaging device [patent_app_type] => utility [patent_app_number] => 18/827868 [patent_app_country] => US [patent_app_date] => 2024-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 2178 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827868 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/827868
Imaging device Sep 8, 2024 Issued
Array ( [id] => 19852253 [patent_doc_number] => 20250097604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => PHOTOELECTRIC CONVERSION DEVICE [patent_app_type] => utility [patent_app_number] => 18/825667 [patent_app_country] => US [patent_app_date] => 2024-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18825667 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/825667
PHOTOELECTRIC CONVERSION DEVICE Sep 4, 2024 Pending
Array ( [id] => 19822674 [patent_doc_number] => 20250080881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, MOVING BODY, AND EQUIPMENT [patent_app_type] => utility [patent_app_number] => 18/814829 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18814829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/814829
PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, MOVING BODY, AND EQUIPMENT Aug 25, 2024 Pending
Array ( [id] => 19822672 [patent_doc_number] => 20250080879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => PHOTOELECTRIC CONVERSION DEVICE, MOVABLE APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/800186 [patent_app_country] => US [patent_app_date] => 2024-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18800186 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/800186
Photoelectric conversion device, movable apparatus, control method, and storage medium Aug 11, 2024 Issued
Array ( [id] => 20508671 [patent_doc_number] => 12542957 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Camera module [patent_app_type] => utility [patent_app_number] => 18/799059 [patent_app_country] => US [patent_app_date] => 2024-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18799059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/799059
Camera module Aug 8, 2024 Issued
Array ( [id] => 19759410 [patent_doc_number] => 20250047975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => TRANSMISSION DEVICE [patent_app_type] => utility [patent_app_number] => 18/793072 [patent_app_country] => US [patent_app_date] => 2024-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18793072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/793072
TRANSMISSION DEVICE Aug 1, 2024 Pending
Array ( [id] => 19836977 [patent_doc_number] => 20250088763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => PHOTOELECTRIC CONVERSION DEVICE, MOVABLE APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/788273 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18788273 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788273
PHOTOELECTRIC CONVERSION DEVICE, MOVABLE APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM Jul 29, 2024 Pending
Array ( [id] => 20501345 [patent_doc_number] => 20260030806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => GENERATING A GROUP PHOTO THAT INCLUDES A PHOTOGRAPHER [patent_app_type] => utility [patent_app_number] => 18/787384 [patent_app_country] => US [patent_app_date] => 2024-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8715 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18787384 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/787384
GENERATING A GROUP PHOTO THAT INCLUDES A PHOTOGRAPHER Jul 28, 2024 Pending
Array ( [id] => 19501523 [patent_doc_number] => 20240340541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => OPTICAL SENSOR WHICH CAN REDUCE IMAGE FLICKER [patent_app_type] => utility [patent_app_number] => 18/741763 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3692 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18741763 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/741763
Optical sensor which can reduce image flicker Jun 11, 2024 Issued
Array ( [id] => 20552510 [patent_doc_number] => 12563314 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Imaging apparatus and electronic device [patent_app_type] => utility [patent_app_number] => 18/679827 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 33 [patent_no_of_words] => 13386 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18679827 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/679827
Imaging apparatus and electronic device May 30, 2024 Issued
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