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] => 20318852 [patent_doc_number] => 12457412 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Photographing processing method and apparatus, electronic device, and readable storage medium [patent_app_type] => utility [patent_app_number] => 18/308638 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 11051 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308638 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308638
Photographing processing method and apparatus, electronic device, and readable storage medium Apr 26, 2023 Issued
Array ( [id] => 19733876 [patent_doc_number] => 12211878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Image sensor and electronic camera [patent_app_type] => utility [patent_app_number] => 18/135765 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10746 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [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] => 18135765 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/135765
Image sensor and electronic camera Apr 17, 2023 Issued
Array ( [id] => 18744883 [patent_doc_number] => 20230353875 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => IMAGING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/300283 [patent_app_country] => US [patent_app_date] => 2023-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18300283 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/300283
Imaging apparatus Apr 12, 2023 Issued
Array ( [id] => 18542205 [patent_doc_number] => 20230247322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => PHOTOELECTRIC CONVERSION APPARATUS, A/D CONVERTER, AND EQUIPMENT [patent_app_type] => utility [patent_app_number] => 18/297721 [patent_app_country] => US [patent_app_date] => 2023-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12626 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18297721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/297721
Photoelectric conversion apparatus, A/D converter, and equipment Apr 9, 2023 Issued
Array ( [id] => 20137600 [patent_doc_number] => 20250244644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => CAMERA HOLDER FOR FASTENING A CAMERA TO A STORAGE LIFT, AND STORAGE LIFT HAVING A CAMERA HOLDER OF THIS TYPE [patent_app_type] => utility [patent_app_number] => 18/854201 [patent_app_country] => US [patent_app_date] => 2023-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18854201 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/854201
CAMERA HOLDER FOR FASTENING A CAMERA TO A STORAGE LIFT, AND STORAGE LIFT HAVING A CAMERA HOLDER OF THIS TYPE Apr 3, 2023 Pending
Array ( [id] => 18553471 [patent_doc_number] => 20230251483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => OPTIMAL COLOR FILTER ARRAY AND DEMOSAICING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/129511 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4453 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18129511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/129511
OPTIMAL COLOR FILTER ARRAY AND DEMOSAICING METHOD THEREOF Mar 30, 2023 Abandoned
Array ( [id] => 18556580 [patent_doc_number] => 20230254599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => ELECTRONIC DEVICE COMPRISING IMAGE SENSOR AND OPERATION METHOD OF SAME [patent_app_type] => utility [patent_app_number] => 18/193139 [patent_app_country] => US [patent_app_date] => 2023-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18193139 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/193139
Electronic device comprising image sensor and operation method of same Mar 29, 2023 Issued
Array ( [id] => 19108747 [patent_doc_number] => 11961861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Image pickup element, image pickup device, manufacturing device and method [patent_app_type] => utility [patent_app_number] => 18/127811 [patent_app_country] => US [patent_app_date] => 2023-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 16475 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18127811 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/127811
Image pickup element, image pickup device, manufacturing device and method Mar 28, 2023 Issued
Array ( [id] => 19901081 [patent_doc_number] => 12279029 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Filter assembly and imaging device [patent_app_type] => utility [patent_app_number] => 18/187176 [patent_app_country] => US [patent_app_date] => 2023-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18187176 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/187176
Filter assembly and imaging device Mar 20, 2023 Issued
Array ( [id] => 18617171 [patent_doc_number] => 20230283910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => IMAGE-CAPTURING DEVICE AND IMAGE PROCESSING DEVICE [patent_app_type] => utility [patent_app_number] => 18/123543 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18123543 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/123543
IMAGE-CAPTURING DEVICE AND IMAGE PROCESSING DEVICE Mar 19, 2023 Abandoned
Array ( [id] => 18514729 [patent_doc_number] => 20230230991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => IMAGING SYSTEM AND METHOD OF CREATING COMPOSITE IMAGES [patent_app_type] => utility [patent_app_number] => 18/185863 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4656 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18185863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/185863
Imaging system and method of creating composite images Mar 16, 2023 Issued
Array ( [id] => 18681741 [patent_doc_number] => 20230319414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => METHOD AND APPARATUS OF CAPTURING IMAGE, ELECTRONIC DEVICE AND COMPUTER READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/182914 [patent_app_country] => US [patent_app_date] => 2023-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18182914 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/182914
Method and apparatus of capturing image, electronic device and computer readable storage medium Mar 12, 2023 Issued
Array ( [id] => 19435507 [patent_doc_number] => 20240304005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => POLICE DASHCAM [patent_app_type] => utility [patent_app_number] => 18/118102 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18118102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/118102
POLICE DASHCAM Mar 5, 2023 Pending
Array ( [id] => 18587189 [patent_doc_number] => 20230269454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => IMAGING DEVICE AND IMAGING METHOD [patent_app_type] => utility [patent_app_number] => 18/173061 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18173061 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/173061
IMAGING DEVICE AND IMAGING METHOD Feb 22, 2023 Abandoned
Array ( [id] => 19721452 [patent_doc_number] => 12207007 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Image sensor, processor of image sensor, and image processing method [patent_app_type] => utility [patent_app_number] => 18/162943 [patent_app_country] => US [patent_app_date] => 2023-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 11710 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18162943 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/162943
Image sensor, processor of image sensor, and image processing method Jan 31, 2023 Issued
Array ( [id] => 19169502 [patent_doc_number] => 11985425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Systems and methods for stabilizing videos [patent_app_type] => utility [patent_app_number] => 18/160982 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 13092 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18160982 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/160982
Systems and methods for stabilizing videos Jan 26, 2023 Issued
Array ( [id] => 19782702 [patent_doc_number] => 12231752 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Device temperature control using device components [patent_app_type] => utility [patent_app_number] => 18/156768 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 15114 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18156768 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/156768
Device temperature control using device components Jan 18, 2023 Issued
Array ( [id] => 19054947 [patent_doc_number] => 20240096916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => IMAGE SENSOR [patent_app_type] => utility [patent_app_number] => 18/157009 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6870 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18157009 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/157009
Image sensor Jan 18, 2023 Issued
Array ( [id] => 19880863 [patent_doc_number] => 20250113120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => SOLID-STATE IMAGING DEVICE WITH RAMP GENERATOR CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/728482 [patent_app_country] => US [patent_app_date] => 2023-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13935 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18728482 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/728482
SOLID-STATE IMAGING DEVICE WITH RAMP GENERATOR CIRCUIT Jan 17, 2023 Pending
Array ( [id] => 20147845 [patent_doc_number] => 12382200 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Image capturing circuit that can be applied to image capturing apparatus [patent_app_type] => utility [patent_app_number] => 18/155206 [patent_app_country] => US [patent_app_date] => 2023-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 28 [patent_no_of_words] => 6140 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 364 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18155206 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/155206
Image capturing circuit that can be applied to image capturing apparatus Jan 16, 2023 Issued
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