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] => 20021150 [patent_doc_number] => 20250159372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => Image Sensor to Supress Flicker [patent_app_type] => utility [patent_app_number] => 18/507301 [patent_app_country] => US [patent_app_date] => 2023-11-13 [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] => -3 [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] => 18507301 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507301
Image sensor to suppress flicker Nov 12, 2023 Issued
Array ( [id] => 19812469 [patent_doc_number] => 12243882 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Photoelectric conversion device [patent_app_type] => utility [patent_app_number] => 18/506857 [patent_app_country] => US [patent_app_date] => 2023-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 9948 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18506857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/506857
Photoelectric conversion device Nov 9, 2023 Issued
Array ( [id] => 19190570 [patent_doc_number] => 20240169483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => Systems and Methods for Synthesizing High Resolution Images Using Images Captured by an Array of Independently Controllable Imagers [patent_app_type] => utility [patent_app_number] => 18/504684 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504684 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/504684
Systems and methods for synthesizing high resolution images using images captured by an array of independently controllable imagers Nov 7, 2023 Issued
Array ( [id] => 20582399 [patent_doc_number] => 12574659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Image signal processor, image sensor, and operating method of the image sensor [patent_app_type] => utility [patent_app_number] => 18/388019 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 7645 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18388019 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388019
Image signal processor, image sensor, and operating method of the image sensor Nov 7, 2023 Issued
Array ( [id] => 20217209 [patent_doc_number] => 12413874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Photoelectric conversion device, photoelectric conversion system, moving body, and method of driving photoelectric conversion device [patent_app_type] => utility [patent_app_number] => 18/497101 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 5873 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18497101 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/497101
Photoelectric conversion device, photoelectric conversion system, moving body, and method of driving photoelectric conversion device Oct 29, 2023 Issued
Array ( [id] => 20268158 [patent_doc_number] => 12439164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Asynchronous integration in rolling shutter image sensors [patent_app_type] => utility [patent_app_number] => 18/494502 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3781 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18494502 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/494502
Asynchronous integration in rolling shutter image sensors Oct 24, 2023 Issued
Array ( [id] => 19147993 [patent_doc_number] => 20240147100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => IMAGE SENSOR CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/383122 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18383122 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383122
IMAGE SENSOR CIRCUIT Oct 23, 2023 Pending
Array ( [id] => 19147961 [patent_doc_number] => 20240147063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => IMAGE SENSOR SUPPORTING AF FUNCTION AND METHOD OF OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 18/490250 [patent_app_country] => US [patent_app_date] => 2023-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18490250 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/490250
Image sensor supporting AF function and method of operating the same Oct 18, 2023 Issued
Array ( [id] => 19469902 [patent_doc_number] => 20240323572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => IMAGE SENSOR AND IMAGE OUTPUT METHOD THEREOF, AND OPTOELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/379676 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 375 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379676 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379676
Image sensor and image output method thereof, and optoelectronic device Oct 12, 2023 Issued
Array ( [id] => 19781615 [patent_doc_number] => 12230654 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Imaging device and electronic apparatus [patent_app_type] => utility [patent_app_number] => 18/372431 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 29 [patent_no_of_words] => 14444 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18372431 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372431
Imaging device and electronic apparatus Sep 24, 2023 Issued
Array ( [id] => 19408621 [patent_doc_number] => 20240292132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => IMAGE SENSOR INCLUDING COUNTER PERFORMING SHIFTING OPERATION AND OPERATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/371167 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18371167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/371167
Image sensor including counter performing shifting operation and operation method thereof Sep 20, 2023 Issued
Array ( [id] => 19873804 [patent_doc_number] => 12266675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Imaging element [patent_app_type] => utility [patent_app_number] => 18/368146 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 55 [patent_figures_cnt] => 83 [patent_no_of_words] => 33708 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18368146 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368146
Imaging element Sep 13, 2023 Issued
Array ( [id] => 19469897 [patent_doc_number] => 20240323567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => IMAGE SENSOR AND OPERATING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/460587 [patent_app_country] => US [patent_app_date] => 2023-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6566 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18460587 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460587
Image sensor and operating method thereof Sep 3, 2023 Issued
Array ( [id] => 20545426 [patent_doc_number] => 20260052319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-19 [patent_title] => SOLID-STATE IMAGING DEVICE [patent_app_type] => utility [patent_app_number] => 19/101541 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11115 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 19101541 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/101541
SOLID-STATE IMAGING DEVICE Aug 27, 2023 Pending
Array ( [id] => 20631364 [patent_doc_number] => 20260095653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-02 [patent_title] => IMAGING DEVICE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 19/110823 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19110823 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/110823
IMAGING DEVICE AND ELECTRONIC DEVICE Aug 17, 2023 Pending
Array ( [id] => 20417888 [patent_doc_number] => 12501189 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Region of interest sampling and retrieval for artificial reality systems [patent_app_type] => utility [patent_app_number] => 18/447225 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 10613 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18447225 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/447225
Region of interest sampling and retrieval for artificial reality systems Aug 8, 2023 Issued
Array ( [id] => 20502896 [patent_doc_number] => 20260032360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-29 [patent_title] => SOLID-STATE IMAGING DEVICE [patent_app_type] => utility [patent_app_number] => 18/997324 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18997324 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/997324
SOLID-STATE IMAGING DEVICE Aug 7, 2023 Pending
Array ( [id] => 18822553 [patent_doc_number] => 20230396894 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => IMAGE SENSOR, IMAGE-CAPTURING APPARATUS, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/229746 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18229746 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/229746
Image sensor, image-capturing apparatus, and electronic device Aug 2, 2023 Issued
Array ( [id] => 19561349 [patent_doc_number] => 20240373141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => SYSTEMS AND METHODS FOR CONFIGURING MACRO READING BLOCK LOCATIONS WITH SHIFT REGISTERS [patent_app_type] => utility [patent_app_number] => 18/363650 [patent_app_country] => US [patent_app_date] => 2023-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18363650 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363650
SYSTEMS AND METHODS FOR CONFIGURING MACRO READING BLOCK LOCATIONS WITH SHIFT REGISTERS Jul 31, 2023 Pending
Array ( [id] => 18960535 [patent_doc_number] => 20240048862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => PHOTOELECTRIC CONVERSION DEVICE, DRIVING METHOD FOR PHOTOELECTRIC CONVERSION DEVICE, AND APPARATUS [patent_app_type] => utility [patent_app_number] => 18/361627 [patent_app_country] => US [patent_app_date] => 2023-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18361627 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/361627
Photoelectric conversion device, driving method for photoelectric conversion device, and apparatus Jul 27, 2023 Issued
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