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] => 19636004 [patent_doc_number] => 20240414453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => IMAGE SENSOR WITH TEMPERATURE SENSING PIXELS [patent_app_type] => utility [patent_app_number] => 18/717439 [patent_app_country] => US [patent_app_date] => 2022-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18717439 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/717439
IMAGE SENSOR WITH TEMPERATURE SENSING PIXELS Oct 5, 2022 Pending
Array ( [id] => 19357956 [patent_doc_number] => 12058432 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Electronic device [patent_app_type] => utility [patent_app_number] => 17/937959 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9965 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17937959 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/937959
Electronic device Oct 3, 2022 Issued
Array ( [id] => 19184844 [patent_doc_number] => 11991458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Column arithmetic logic unit design for dual conversion gain sensor supporting correlated multiple sampling and three readout phase detection autofocus [patent_app_type] => utility [patent_app_number] => 17/934196 [patent_app_country] => US [patent_app_date] => 2022-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 12750 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17934196 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/934196
Column arithmetic logic unit design for dual conversion gain sensor supporting correlated multiple sampling and three readout phase detection autofocus Sep 20, 2022 Issued
Array ( [id] => 19400737 [patent_doc_number] => 12075143 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Electronic device including camera and method of operating the same [patent_app_type] => utility [patent_app_number] => 17/945239 [patent_app_country] => US [patent_app_date] => 2022-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 14912 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17945239 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/945239
Electronic device including camera and method of operating the same Sep 14, 2022 Issued
Array ( [id] => 19429478 [patent_doc_number] => 12088925 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-10 [patent_title] => Flicker detection using event-based readout circuits [patent_app_type] => utility [patent_app_number] => 17/931883 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8718 [patent_no_of_claims] => 17 [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] => 17931883 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/931883
Flicker detection using event-based readout circuits Sep 12, 2022 Issued
Array ( [id] => 18099099 [patent_doc_number] => 20220417440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => DIGITAL VIEWFINDER USER INTERFACE FOR MULTIPLE CAMERAS [patent_app_type] => utility [patent_app_number] => 17/940672 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17940672 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/940672
Digital viewfinder user interface for multiple cameras Sep 7, 2022 Issued
Array ( [id] => 19036876 [patent_doc_number] => 20240086691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Artificial Neural Network Computation using Integrated Circuit Devices having Analog Inference Capability [patent_app_type] => utility [patent_app_number] => 17/940845 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17284 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17940845 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/940845
Artificial neural network computation using integrated circuit devices having analog inference capability Sep 7, 2022 Issued
Array ( [id] => 18244069 [patent_doc_number] => 20230076380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => IMAGING DEVICE [patent_app_type] => utility [patent_app_number] => 17/900611 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 40655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17900611 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/900611
Imaging device Aug 30, 2022 Issued
Array ( [id] => 19169475 [patent_doc_number] => 11985398 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Camera-based, privacy LED tamper detection [patent_app_type] => utility [patent_app_number] => 17/898130 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5019 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17898130 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/898130
Camera-based, privacy LED tamper detection Aug 28, 2022 Issued
Array ( [id] => 18814297 [patent_doc_number] => 20230388634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => ZOOM LENS ASSEMBLY SOUNDLESS IN OPERATION, CAMERA MODULE HAVING ZOOM LENS ASSEMBLY, AND ELECTRONIC DEVICE HAVING CAMERA MODULE [patent_app_type] => utility [patent_app_number] => 17/897577 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17897577 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897577
Zoom lens assembly soundless in operation, camera module having zoom lens assembly, and electronic device having camera module Aug 28, 2022 Issued
Array ( [id] => 18099060 [patent_doc_number] => 20220417401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => ENDOSCOPE AND IMAGING MODULE [patent_app_type] => utility [patent_app_number] => 17/897539 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9277 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17897539 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897539
ENDOSCOPE AND IMAGING MODULE Aug 28, 2022 Abandoned
Array ( [id] => 18096488 [patent_doc_number] => 20220414829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [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] => 17/821258 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32713 [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] => 17821258 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/821258
Systems and methods for synthesizing high resolution images using images captured by an array of independently controllable imagers Aug 21, 2022 Issued
Array ( [id] => 19966071 [patent_doc_number] => 12335600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Method for capturing image during video recording and electronic device [patent_app_type] => utility [patent_app_number] => 18/015583 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 37 [patent_no_of_words] => 20806 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 419 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18015583 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/015583
Method for capturing image during video recording and electronic device Aug 21, 2022 Issued
Array ( [id] => 18992447 [patent_doc_number] => 20240064416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => OPTICAL SENSOR WHICH CAN REDUCE IMAGE FLICKER [patent_app_type] => utility [patent_app_number] => 17/889366 [patent_app_country] => US [patent_app_date] => 2022-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17889366 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889366
Optical sensor which can reduce image flicker Aug 15, 2022 Issued
Array ( [id] => 18730835 [patent_doc_number] => 20230345140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => IMAGE SENSOR AND DRIVING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/885891 [patent_app_country] => US [patent_app_date] => 2022-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17885891 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/885891
Image sensor and driving method thereof Aug 10, 2022 Issued
Array ( [id] => 19016442 [patent_doc_number] => 11923387 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Imaging device and electronic apparatus [patent_app_type] => utility [patent_app_number] => 17/882307 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 29 [patent_no_of_words] => 14441 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17882307 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/882307
Imaging device and electronic apparatus Aug 4, 2022 Issued
Array ( [id] => 18149958 [patent_doc_number] => 20230023815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => FLAG-BASED READOUT ARCHITECTURE FOR EVENT-DRIVEN PIXEL MATRIX ARRAY [patent_app_type] => utility [patent_app_number] => 17/870900 [patent_app_country] => US [patent_app_date] => 2022-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17870900 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/870900
Flag-based readout architecture for event-driven pixel matrix array Jul 21, 2022 Issued
Array ( [id] => 18184220 [patent_doc_number] => 20230044950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Pulse-Width Modulation Pixel Sensor [patent_app_type] => utility [patent_app_number] => 17/865128 [patent_app_country] => US [patent_app_date] => 2022-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11596 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17865128 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/865128
Pulse-width modulation pixel sensor Jul 13, 2022 Issued
Array ( [id] => 19568947 [patent_doc_number] => 12143736 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Method, apparatus and system providing a storage gate pixel with high dynamic range [patent_app_type] => utility [patent_app_number] => 17/858894 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2860 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [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] => 17858894 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858894
Method, apparatus and system providing a storage gate pixel with high dynamic range Jul 5, 2022 Issued
Array ( [id] => 19568950 [patent_doc_number] => 12143739 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Image sensor including pixel array [patent_app_type] => utility [patent_app_number] => 17/857812 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 13195 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17857812 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857812
Image sensor including pixel array Jul 4, 2022 Issued
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