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] => 14038319 [patent_doc_number] => 10230927 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-12 [patent_title] => Single snapshot multi-frequency demodulation method [patent_app_type] => utility [patent_app_number] => 15/765220 [patent_app_country] => US [patent_app_date] => 2015-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3881 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [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] => 15765220 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/765220
Single snapshot multi-frequency demodulation method Sep 29, 2015 Issued
Array ( [id] => 11812268 [patent_doc_number] => 09716850 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-25 [patent_title] => 'BJT pixel circuit capable of cancelling ambient light influence, image system including the same and operating method thereof' [patent_app_type] => utility [patent_app_number] => 14/847132 [patent_app_country] => US [patent_app_date] => 2015-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6175 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14847132 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/847132
BJT pixel circuit capable of cancelling ambient light influence, image system including the same and operating method thereof Sep 7, 2015 Issued
Array ( [id] => 10734502 [patent_doc_number] => 20160080652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-17 [patent_title] => 'INFORMATION PROCESSING DEVICE AND IMAGE INPUT DEVICE' [patent_app_type] => utility [patent_app_number] => 14/847142 [patent_app_country] => US [patent_app_date] => 2015-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 31349 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14847142 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/847142
Information processing device and image input device Sep 7, 2015 Issued
Array ( [id] => 10742059 [patent_doc_number] => 20160088211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-24 [patent_title] => 'NETWORK CAMERA SYSTEM AND NETWORK CAMERA THEREOF' [patent_app_type] => utility [patent_app_number] => 14/847018 [patent_app_country] => US [patent_app_date] => 2015-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3341 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14847018 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/847018
NETWORK CAMERA SYSTEM AND NETWORK CAMERA THEREOF Sep 7, 2015 Abandoned
Array ( [id] => 10720304 [patent_doc_number] => 20160066451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-03 [patent_title] => 'OPENING AND CLOSING DEVICE, AND ELECTRONIC DEVICE' [patent_app_type] => utility [patent_app_number] => 14/847094 [patent_app_country] => US [patent_app_date] => 2015-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7715 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14847094 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/847094
Opening and closing device, and electronic device Sep 7, 2015 Issued
Array ( [id] => 11639208 [patent_doc_number] => 09661201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-23 [patent_title] => 'Image monitoring apparatus' [patent_app_type] => utility [patent_app_number] => 14/846834 [patent_app_country] => US [patent_app_date] => 2015-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2606 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14846834 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/846834
Image monitoring apparatus Sep 6, 2015 Issued
Array ( [id] => 10488245 [patent_doc_number] => 20150373265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-24 [patent_title] => 'Phase Gratings with Odd Symmetry for High-Resolution Lensed and Lensless Optical Sensing' [patent_app_type] => utility [patent_app_number] => 14/824997 [patent_app_country] => US [patent_app_date] => 2015-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 9345 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14824997 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/824997
Phase gratings with odd symmetry for high-resolution lensed and lenseless optical sensing Aug 11, 2015 Issued
Array ( [id] => 10687551 [patent_doc_number] => 20160033696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'Phase Gratings with Odd Symmetry for Lensed Optical Sensing' [patent_app_type] => utility [patent_app_number] => 14/825058 [patent_app_country] => US [patent_app_date] => 2015-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 9339 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14825058 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/825058
Phase gratings with odd symmetry for lensed optical sensing Aug 11, 2015 Issued
Array ( [id] => 10449272 [patent_doc_number] => 20150334286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'WIRELESS VIDEO CAMERA' [patent_app_type] => utility [patent_app_number] => 14/808338 [patent_app_country] => US [patent_app_date] => 2015-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6045 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14808338 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/808338
WIRELESS VIDEO CAMERA Jul 23, 2015 Abandoned
Array ( [id] => 13670025 [patent_doc_number] => 10165209 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Low-noise, high dynamic-range image sensor [patent_app_type] => utility [patent_app_number] => 15/328207 [patent_app_country] => US [patent_app_date] => 2015-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 38 [patent_no_of_words] => 16631 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15328207 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/328207
Low-noise, high dynamic-range image sensor Jul 22, 2015 Issued
Array ( [id] => 11825952 [patent_doc_number] => 20170214890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-27 [patent_title] => 'IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGING APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/328241 [patent_app_country] => US [patent_app_date] => 2015-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8040 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15328241 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/328241
Image processing apparatus, image processing method, and imaging apparatus Jul 20, 2015 Issued
Array ( [id] => 15111555 [patent_doc_number] => 10477123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-12 [patent_title] => Image sensor, electronic apparatus, signal transmission system, and control method [patent_app_type] => utility [patent_app_number] => 15/327443 [patent_app_country] => US [patent_app_date] => 2015-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 12956 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15327443 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/327443
Image sensor, electronic apparatus, signal transmission system, and control method Jul 16, 2015 Issued
Array ( [id] => 10427505 [patent_doc_number] => 20150312516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-29 [patent_title] => 'WIDE DYNAMIC RANGE ELECTRONIC IMAGE RECORDING AND REPRODUCING SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/795149 [patent_app_country] => US [patent_app_date] => 2015-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6007 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14795149 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/795149
Wide dynamic range electronic image recording and reproducing system Jul 8, 2015 Issued
Array ( [id] => 15403113 [patent_doc_number] => 10542224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-21 [patent_title] => Imaging device and image processing method [patent_app_type] => utility [patent_app_number] => 15/739097 [patent_app_country] => US [patent_app_date] => 2015-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 30 [patent_no_of_words] => 11429 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15739097 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/739097
Imaging device and image processing method Jun 25, 2015 Issued
Array ( [id] => 10386397 [patent_doc_number] => 20150271404 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-24 [patent_title] => 'SOLID-STATE IMAGE SENSING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/731998 [patent_app_country] => US [patent_app_date] => 2015-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 13224 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14731998 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/731998
Solid-state image sensing apparatus Jun 4, 2015 Issued
Array ( [id] => 10379426 [patent_doc_number] => 20150264433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-17 [patent_title] => 'PHOTOGRAPHING APPARATUS AND METHOD OF PROVIDING PHOTOGRAPHED VIDEO' [patent_app_type] => utility [patent_app_number] => 14/723962 [patent_app_country] => US [patent_app_date] => 2015-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7450 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14723962 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/723962
PHOTOGRAPHING APPARATUS AND METHOD OF PROVIDING PHOTOGRAPHED VIDEO May 27, 2015 Abandoned
Array ( [id] => 11854386 [patent_doc_number] => 20170228878 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'METHOD AND SYSTEM FOR IMAGE GEOREGISTRATION' [patent_app_type] => utility [patent_app_number] => 15/314223 [patent_app_country] => US [patent_app_date] => 2015-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9688 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15314223 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/314223
Method and system for image georegistration May 27, 2015 Issued
Array ( [id] => 11295030 [patent_doc_number] => 20160344961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'Image Sensors for Robust On Chip Phase Detection, and Associated System And Methods' [patent_app_type] => utility [patent_app_number] => 14/714997 [patent_app_country] => US [patent_app_date] => 2015-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 13418 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14714997 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/714997
Image sensors for robust on chip phase detection, and associated system and methods May 17, 2015 Issued
Array ( [id] => 10359914 [patent_doc_number] => 20150244920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-27 [patent_title] => 'CONTROL OF EXPOSURE OF CAMERA' [patent_app_type] => utility [patent_app_number] => 14/711939 [patent_app_country] => US [patent_app_date] => 2015-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8203 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 20 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14711939 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/711939
Control of exposure of camera May 13, 2015 Issued
Array ( [id] => 11601077 [patent_doc_number] => 09648264 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-09 [patent_title] => 'Solid-state image sensing apparatus' [patent_app_type] => utility [patent_app_number] => 14/705783 [patent_app_country] => US [patent_app_date] => 2015-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 25 [patent_no_of_words] => 13232 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14705783 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/705783
Solid-state image sensing apparatus May 5, 2015 Issued
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