Search

Leonard Chang

Supervisory Patent Examiner (ID: 7771, Phone: (571)270-3691 , Office: P/4166 )

Most Active Art Unit
2812
Art Unit(s)
4121, 4100, 2812, 2898
Total Applications
320
Issued Applications
197
Pending Applications
1
Abandoned Applications
127

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16170926 [patent_doc_number] => 10712484 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-14 [patent_title] => Multilayer film, use thereof, and production method thereof [patent_app_type] => utility [patent_app_number] => 15/544984 [patent_app_country] => US [patent_app_date] => 2016-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 23773 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15544984 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/544984
Multilayer film, use thereof, and production method thereof Jan 27, 2016 Issued
Array ( [id] => 12160681 [patent_doc_number] => 20180031947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-01 [patent_title] => 'LIQUID CRYSTAL ELEMENT, DEFLECTION ELEMENT, LIQUID CRYSTAL MODULE, AND ELECTRONIC DEVICE' [patent_app_type] => utility [patent_app_number] => 15/545177 [patent_app_country] => US [patent_app_date] => 2016-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 26509 [patent_no_of_claims] => 13 [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] => 15545177 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/545177
Liquid crystal element, deflection element, liquid crystal module, and electronic device Jan 19, 2016 Issued
Array ( [id] => 12139750 [patent_doc_number] => 20180017833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'STANDING HELIX FERROELECTRIC LIQUID CRYSTAL DISPLAY CELL' [patent_app_type] => utility [patent_app_number] => 15/544995 [patent_app_country] => US [patent_app_date] => 2016-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3916 [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] => 15544995 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/544995
Standing helix ferroelectric liquid crystal display cell Jan 19, 2016 Issued
Array ( [id] => 14699165 [patent_doc_number] => 10377312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-13 [patent_title] => Image display mirror for a vehicle [patent_app_type] => utility [patent_app_number] => 14/994620 [patent_app_country] => US [patent_app_date] => 2016-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4424 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14994620 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/994620
Image display mirror for a vehicle Jan 12, 2016 Issued
Array ( [id] => 11026920 [patent_doc_number] => 20160223876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-04 [patent_title] => 'LIQUID CRYSTAL DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 14/994676 [patent_app_country] => US [patent_app_date] => 2016-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4356 [patent_no_of_claims] => 19 [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] => 14994676 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/994676
Liquid crystal display device Jan 12, 2016 Issued
Array ( [id] => 12473328 [patent_doc_number] => 09989693 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-05 [patent_title] => Double-sided liquid crystal display device and backlight module thereof [patent_app_type] => utility [patent_app_number] => 14/914176 [patent_app_country] => US [patent_app_date] => 2016-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3331 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14914176 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/914176
Double-sided liquid crystal display device and backlight module thereof Jan 11, 2016 Issued
Array ( [id] => 11005575 [patent_doc_number] => 20160202525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-14 [patent_title] => 'DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 14/992662 [patent_app_country] => US [patent_app_date] => 2016-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7590 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 14992662 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/992662
DISPLAY DEVICE Jan 10, 2016 Abandoned
Array ( [id] => 11130865 [patent_doc_number] => 20160327839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-10 [patent_title] => 'PIXEL UNIT ARRAY AND LIQUID CRYSTAL DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 14/992686 [patent_app_country] => US [patent_app_date] => 2016-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4825 [patent_no_of_claims] => 18 [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] => 14992686 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/992686
Pixel unit array and liquid crystal display device Jan 10, 2016 Issued
Array ( [id] => 10778105 [patent_doc_number] => 20160124261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 14/990946 [patent_app_country] => US [patent_app_date] => 2016-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 10321 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [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] => 14990946 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/990946
LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF Jan 7, 2016 Abandoned
Array ( [id] => 11950906 [patent_doc_number] => 20170255057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-07 [patent_title] => 'LIQUID CRYSTAL DEVICES' [patent_app_type] => utility [patent_app_number] => 14/907880 [patent_app_country] => US [patent_app_date] => 2016-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4039 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 14907880 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/907880
Liquid crystal devices Jan 6, 2016 Issued
Array ( [id] => 12913036 [patent_doc_number] => 20180196188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => BACKLIGHT MODULE AND FABRICATING METHOD THEREOF, AND TWO-SIDED DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 15/112898 [patent_app_country] => US [patent_app_date] => 2016-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4852 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15112898 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/112898
BACKLIGHT MODULE AND FABRICATING METHOD THEREOF, AND TWO-SIDED DISPLAY DEVICE Jan 5, 2016 Abandoned
Array ( [id] => 10990770 [patent_doc_number] => 20160187715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-30 [patent_title] => 'Display Apparatus' [patent_app_type] => utility [patent_app_number] => 14/980448 [patent_app_country] => US [patent_app_date] => 2015-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2783 [patent_no_of_claims] => 14 [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] => 14980448 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/980448
Display Apparatus Dec 27, 2015 Abandoned
Array ( [id] => 12412728 [patent_doc_number] => 09971181 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-15 [patent_title] => In-cell touch liquid crystal display device and method for manufacturing the same [patent_app_type] => utility [patent_app_number] => 14/980076 [patent_app_country] => US [patent_app_date] => 2015-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 7116 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14980076 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/980076
In-cell touch liquid crystal display device and method for manufacturing the same Dec 27, 2015 Issued
Array ( [id] => 11810571 [patent_doc_number] => 09715137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-25 [patent_title] => 'Liquid crystal display device using in-cell touch mode and method for manufacturing the same' [patent_app_type] => utility [patent_app_number] => 14/980174 [patent_app_country] => US [patent_app_date] => 2015-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 4450 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14980174 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/980174
Liquid crystal display device using in-cell touch mode and method for manufacturing the same Dec 27, 2015 Issued
Array ( [id] => 12020968 [patent_doc_number] => 09813696 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-07 [patent_title] => 'Stereoscopic image display device' [patent_app_type] => utility [patent_app_number] => 14/980127 [patent_app_country] => US [patent_app_date] => 2015-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 5112 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14980127 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/980127
Stereoscopic image display device Dec 27, 2015 Issued
Array ( [id] => 10998813 [patent_doc_number] => 20160195760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'LIQUID CRYSTAL DISPLAY APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/973607 [patent_app_country] => US [patent_app_date] => 2015-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6238 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 14973607 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/973607
LIQUID CRYSTAL DISPLAY APPARATUS Dec 16, 2015 Abandoned
Array ( [id] => 12867271 [patent_doc_number] => 20180180932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-28 [patent_title] => DISPLAY PANEL, TOUCH DISPLAY DEVICE, METHOD FOR FABRICATING DISPLAY PANEL [patent_app_type] => utility [patent_app_number] => 15/127382 [patent_app_country] => US [patent_app_date] => 2015-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4780 [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] => 15127382 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/127382
DISPLAY PANEL, TOUCH DISPLAY DEVICE, METHOD FOR FABRICATING DISPLAY PANEL Dec 13, 2015 Abandoned
Array ( [id] => 11069462 [patent_doc_number] => 20160266426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-15 [patent_title] => 'DISPLAY APPARATUS HAVING A REDUCED-WIDTH BEZEL AND METHOD OF MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/947515 [patent_app_country] => US [patent_app_date] => 2015-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7840 [patent_no_of_claims] => 20 [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] => 14947515 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/947515
Display apparatus having a reduced-width bezel and method of manufacturing the same Nov 19, 2015 Issued
Array ( [id] => 12795796 [patent_doc_number] => 20180157101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-07 [patent_title] => COLOR FILTER SUBSTRATE AND CURVED SURFACE DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 14/907920 [patent_app_country] => US [patent_app_date] => 2015-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14907920 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/907920
Color filter substrate and curved surface display device Nov 8, 2015 Issued
Array ( [id] => 12011132 [patent_doc_number] => 09804447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-31 [patent_title] => 'Liquid crystal display and manufacturing method thereof' [patent_app_type] => utility [patent_app_number] => 14/933172 [patent_app_country] => US [patent_app_date] => 2015-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11873 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14933172 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/933172
Liquid crystal display and manufacturing method thereof Nov 4, 2015 Issued
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