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] => 19146486 [patent_doc_number] => 20240145516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => IMAGING DEVICE, METHOD FOR DRIVING THE SAME, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/548213 [patent_app_country] => US [patent_app_date] => 2022-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16497 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18548213 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/548213
IMAGING DEVICE, METHOD FOR DRIVING THE SAME, AND ELECTRONIC DEVICE Feb 23, 2022 Pending
Array ( [id] => 18432827 [patent_doc_number] => 11678067 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-13 [patent_title] => System and method for maintaining pixel intensity when rounding [patent_app_type] => utility [patent_app_number] => 17/674564 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 4689 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17674564 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674564
System and method for maintaining pixel intensity when rounding Feb 16, 2022 Issued
Array ( [id] => 20470499 [patent_doc_number] => 12526544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Image sensor assembly, solid-state imaging device and time-of-flight sensor assembly [patent_app_type] => utility [patent_app_number] => 18/280471 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 5646 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18280471 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280471
Image sensor assembly, solid-state imaging device and time-of-flight sensor assembly Feb 16, 2022 Issued
Array ( [id] => 17856592 [patent_doc_number] => 20220286635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => IMAGE SENSOR AND OPERATING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/665943 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10125 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17665943 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/665943
Image sensor and operating method thereof Feb 6, 2022 Issued
Array ( [id] => 19568948 [patent_doc_number] => 12143737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Photoelectric converter, photoelectric conversion system, and moving body [patent_app_type] => utility [patent_app_number] => 17/590887 [patent_app_country] => US [patent_app_date] => 2022-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 5988 [patent_no_of_claims] => 20 [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] => 17590887 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/590887
Photoelectric converter, photoelectric conversion system, and moving body Feb 1, 2022 Issued
Array ( [id] => 18372933 [patent_doc_number] => 11653121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Photoelectric conversion apparatus, A/D converter, and equipment [patent_app_type] => utility [patent_app_number] => 17/590007 [patent_app_country] => US [patent_app_date] => 2022-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 12626 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17590007 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/590007
Photoelectric conversion apparatus, A/D converter, and equipment Jan 31, 2022 Issued
Array ( [id] => 18828589 [patent_doc_number] => 11843888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-12 [patent_title] => Photoelectric conversion device [patent_app_type] => utility [patent_app_number] => 17/588002 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 9931 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17588002 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/588002
Photoelectric conversion device Jan 27, 2022 Issued
Array ( [id] => 19101125 [patent_doc_number] => 20240120353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => SOLID-STATE IMAGING DEVICE AND IMAGING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/263729 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18263729 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/263729
Solid-state imaging device and imaging apparatus Jan 27, 2022 Issued
Array ( [id] => 18805486 [patent_doc_number] => 11838660 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Apparatus, system, and movable body [patent_app_type] => utility [patent_app_number] => 17/586243 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5173 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586243 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586243
Apparatus, system, and movable body Jan 26, 2022 Issued
Array ( [id] => 18768067 [patent_doc_number] => 11818489 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-14 [patent_title] => Time-resolved quanta image sensor [patent_app_type] => utility [patent_app_number] => 17/586039 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 5153 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586039 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586039
Time-resolved quanta image sensor Jan 26, 2022 Issued
Array ( [id] => 19192968 [patent_doc_number] => 20240171881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => SOLID-STATE IMAGING ELEMENT [patent_app_type] => utility [patent_app_number] => 18/258687 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18258687 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/258687
Solid-state imaging element Jan 19, 2022 Issued
Array ( [id] => 18089757 [patent_doc_number] => 11539903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Imaging apparatus and method of controlling the same and non-transitory computer-readable storage medium [patent_app_type] => utility [patent_app_number] => 17/578941 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 6198 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17578941 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578941
Imaging apparatus and method of controlling the same and non-transitory computer-readable storage medium Jan 18, 2022 Issued
Array ( [id] => 17753973 [patent_doc_number] => 20220232178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => IMAGE CAPTURE APPARATUS AND IMAGE PROCESSING METHOD [patent_app_type] => utility [patent_app_number] => 17/578235 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17578235 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578235
Image capture apparatus and image processing method Jan 17, 2022 Issued
Array ( [id] => 20217205 [patent_doc_number] => 12413870 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Solid-state imaging element [patent_app_type] => utility [patent_app_number] => 18/550180 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 42 [patent_figures_cnt] => 42 [patent_no_of_words] => 22891 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18550180 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550180
Solid-state imaging element Jan 12, 2022 Issued
Array ( [id] => 18976602 [patent_doc_number] => 20240056694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => IMAGING DEVICE, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING PROGRAM [patent_app_type] => utility [patent_app_number] => 18/260259 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16166 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18260259 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/260259
Imaging device and image processing method Jan 4, 2022 Issued
Array ( [id] => 19926414 [patent_doc_number] => 12300710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Image sensor including color separating lens array and electronic apparatus including the image sensor [patent_app_type] => utility [patent_app_number] => 17/565903 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 57 [patent_no_of_words] => 13966 [patent_no_of_claims] => 23 [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] => 17565903 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565903
Image sensor including color separating lens array and electronic apparatus including the image sensor Dec 29, 2021 Issued
Array ( [id] => 19039822 [patent_doc_number] => 20240089637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => IMAGING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/261575 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18261575 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261575
IMAGING APPARATUS Dec 22, 2021 Abandoned
Array ( [id] => 17834989 [patent_doc_number] => 20220272293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => METHOD FOR POSITIONING SUB-PIXEL CENTERS OF LIGHT SPOTS BASED ON PIXEL MOVEMENT AND CUTTING [patent_app_type] => utility [patent_app_number] => 17/552560 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17552560 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/552560
Method for positioning sub-pixel centers of light spots based on pixel movement and cutting Dec 15, 2021 Issued
Array ( [id] => 18237036 [patent_doc_number] => 11601612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Imaging device and method of operating the same [patent_app_type] => utility [patent_app_number] => 17/549018 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 11561 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549018 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549018
Imaging device and method of operating the same Dec 12, 2021 Issued
Array ( [id] => 20376866 [patent_doc_number] => 12484324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Solid-state imaging element, imaging device, and method of controlling solid-state imaging element [patent_app_type] => utility [patent_app_number] => 18/255132 [patent_app_country] => US [patent_app_date] => 2021-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 9107 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18255132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/255132
Solid-state imaging element, imaging device, and method of controlling solid-state imaging element Nov 24, 2021 Issued
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