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] => 18410169 [patent_doc_number] => 20230171522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => LIGHT DETECTION DEVICE AND METHOD FOR DRIVING LIGHT SENSOR [patent_app_type] => utility [patent_app_number] => 17/922806 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17922806 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/922806
Light detection device and method for driving light sensor Mar 16, 2021 Issued
Array ( [id] => 19214786 [patent_doc_number] => 12003868 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Imaging system and imaging method thereof [patent_app_type] => utility [patent_app_number] => 17/640993 [patent_app_country] => US [patent_app_date] => 2021-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3843 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17640993 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/640993
Imaging system and imaging method thereof Mar 15, 2021 Issued
Array ( [id] => 17304382 [patent_doc_number] => 20210400221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => IMAGE SENSING DEVICE [patent_app_type] => utility [patent_app_number] => 17/194760 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17194760 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194760
Image sensing device Mar 7, 2021 Issued
Array ( [id] => 18249912 [patent_doc_number] => 11606521 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Image sensors with reduced peak power [patent_app_type] => utility [patent_app_number] => 17/249580 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 6455 [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] => 17249580 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249580
Image sensors with reduced peak power Mar 4, 2021 Issued
Array ( [id] => 18884357 [patent_doc_number] => 20240007726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => DEVICE PARTICULARLY FOR DETECTING AND POTENTIALLY IDENTIFYING AT LEAST ONE TARGET INSIDE A DETERMINED VOLUME AND ASSEMBLY COMPRISING SUCH A DEVICE [patent_app_type] => utility [patent_app_number] => 17/909363 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17909363 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/909363
Device particularly for detecting and potentially identifying at least one target inside a determined volume and assembly comprising such a device Mar 1, 2021 Issued
Array ( [id] => 17832178 [patent_doc_number] => 20220269482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => ARITHMETIC LOGIC UNIT DESIGN IN COLUMN ANALOG TO DIGITAL CONVERTER WITH SHARED GRAY CODE GENERATOR FOR CORRELATED MULTIPLE SAMPLINGS [patent_app_type] => utility [patent_app_number] => 17/180520 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17180520 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/180520
Arithmetic logic unit design in column analog to digital converter with shared gray code generator for correlated multiple samplings Feb 18, 2021 Issued
Array ( [id] => 17071901 [patent_doc_number] => 20210274119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => PHOTOELECTRIC CONVERSION APPARATUS HAVING ANALOG-TO-DIGITAL CONVERSION BASED ON SIGNAL CHARGE, IMAGE CAPTURING SYSTEM, AND MOVING BODY [patent_app_type] => utility [patent_app_number] => 17/180563 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17180563 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/180563
Photoelectric conversion apparatus having analog-to-digital conversion based on signal charge, image capturing system, and moving body Feb 18, 2021 Issued
Array ( [id] => 20333972 [patent_doc_number] => 12464264 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Imaging element and imaging device [patent_app_type] => utility [patent_app_number] => 17/800410 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 11643 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17800410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/800410
Imaging element and imaging device Feb 16, 2021 Issued
Array ( [id] => 17240675 [patent_doc_number] => 11184572 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-23 [patent_title] => Event array readout control of event-based vision sensing [patent_app_type] => utility [patent_app_number] => 17/174499 [patent_app_country] => US [patent_app_date] => 2021-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6875 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17174499 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/174499
Event array readout control of event-based vision sensing Feb 11, 2021 Issued
Array ( [id] => 18363661 [patent_doc_number] => 20230145252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => PORTABLE TIRE SCANNERS AND RELATED METHODS AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/794533 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4959 [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] => 17794533 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/794533
PORTABLE TIRE SCANNERS AND RELATED METHODS AND SYSTEMS Jan 21, 2021 Abandoned
Array ( [id] => 16829011 [patent_doc_number] => 20210144304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => SYSTEMS AND METHODS FOR STABILIZING VIDEOS [patent_app_type] => utility [patent_app_number] => 17/151917 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13093 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17151917 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151917
Systems and methods for stabilizing videos Jan 18, 2021 Issued
Array ( [id] => 16797205 [patent_doc_number] => 20210127023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => DISPLAY CONTROL APPARATUS, CONTROL METHOD FOR DISPLAY CONTROL APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM [patent_app_type] => utility [patent_app_number] => 17/140164 [patent_app_country] => US [patent_app_date] => 2021-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7376 [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] => 17140164 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/140164
Display control apparatus, control method for display control apparatus, and non-transitory computer-readable medium Jan 3, 2021 Issued
Array ( [id] => 16766628 [patent_doc_number] => 20210112210 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => IMAGE SENSOR AND ELECTRONIC CAMERA [patent_app_type] => utility [patent_app_number] => 17/128267 [patent_app_country] => US [patent_app_date] => 2020-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17128267 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/128267
Image sensor and electronic camera Dec 20, 2020 Issued
Array ( [id] => 16922039 [patent_doc_number] => 20210195131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => SIGNAL PROCESSING APPARATUS, PHOTOELECTRIC CONVERSION APPARATUS, IMAGING APPARATUS, AND MOVING BODY [patent_app_type] => utility [patent_app_number] => 17/124311 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17124311 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/124311
Signal processing apparatus, photoelectric conversion apparatus, imaging apparatus, and moving body Dec 15, 2020 Issued
Array ( [id] => 16725170 [patent_doc_number] => 20210092317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => SOLID-STATE IMAGING DEVICE, CONTROL METHOD THEREOF, AND ELECTRONIC APPARATUS [patent_app_type] => utility [patent_app_number] => 17/116459 [patent_app_country] => US [patent_app_date] => 2020-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17116459 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/116459
Solid-state imaging device, control method thereof, and electronic apparatus Dec 8, 2020 Issued
Array ( [id] => 18892315 [patent_doc_number] => 11871102 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Method and system for managing a recording device [patent_app_type] => utility [patent_app_number] => 17/110731 [patent_app_country] => US [patent_app_date] => 2020-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7610 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17110731 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/110731
Method and system for managing a recording device Dec 2, 2020 Issued
Array ( [id] => 16827900 [patent_doc_number] => 20210143193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => SOLID-STATE IMAGING DEVICE AND ELECTRONIC APPARATUS [patent_app_type] => utility [patent_app_number] => 17/102238 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17102238 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/102238
Solid-state imaging device and electronic apparatus Nov 22, 2020 Issued
Array ( [id] => 18841138 [patent_doc_number] => 11849230 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Digital-to-analog converter, analog-to-digital converter, signal processing device, solid-state imaging device, and driving method [patent_app_type] => utility [patent_app_number] => 16/952316 [patent_app_country] => US [patent_app_date] => 2020-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 25 [patent_no_of_words] => 53128 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16952316 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/952316
Digital-to-analog converter, analog-to-digital converter, signal processing device, solid-state imaging device, and driving method Nov 18, 2020 Issued
Array ( [id] => 17817895 [patent_doc_number] => 11423513 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [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] => 17/098432 [patent_app_country] => US [patent_app_date] => 2020-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 32667 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17098432 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/098432
Systems and methods for synthesizing high resolution images using images captured by an array of independently controllable imagers Nov 14, 2020 Issued
Array ( [id] => 17972483 [patent_doc_number] => 11490043 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-01 [patent_title] => Imaging device and camera [patent_app_type] => utility [patent_app_number] => 17/088692 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 22 [patent_no_of_words] => 10593 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17088692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/088692
Imaging device and camera Nov 3, 2020 Issued
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