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] => 8889754 [patent_doc_number] => 20130162938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'Liquid Crystal Display Device, Low Temperature Poly-Silicon Display Device, and Manufacturing Method Thereof' [patent_app_type] => utility [patent_app_number] => 13/499683 [patent_app_country] => US [patent_app_date] => 2012-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3454 [patent_no_of_claims] => 13 [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] => 13499683 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/499683
Liquid Crystal Display Device, Low Temperature Poly-Silicon Display Device, and Manufacturing Method Thereof Feb 15, 2012 Abandoned
Array ( [id] => 9750760 [patent_doc_number] => 08842243 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-23 [patent_title] => 'IPS or FFS-mode liquid-crystal display device' [patent_app_type] => utility [patent_app_number] => 13/361649 [patent_app_country] => US [patent_app_date] => 2012-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 34734 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13361649 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/361649
IPS or FFS-mode liquid-crystal display device Jan 29, 2012 Issued
Array ( [id] => 8322388 [patent_doc_number] => 20120194766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-02 [patent_title] => 'IPS OR FFS-MODE LIQUID-CRYSTAL DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/361619 [patent_app_country] => US [patent_app_date] => 2012-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 34062 [patent_no_of_claims] => 14 [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] => 13361619 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/361619
IPS OR FFS-MODE LIQUID-CRYSTAL DISPLAY DEVICE Jan 29, 2012 Abandoned
Array ( [id] => 8311451 [patent_doc_number] => 20120188479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-26 [patent_title] => 'BACKLIGHT LAMP COVER, BACKLIGHT BACKBOARD AND LIQUID CRYSTAL DISPLAY MODULE' [patent_app_type] => utility [patent_app_number] => 13/351517 [patent_app_country] => US [patent_app_date] => 2012-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3050 [patent_no_of_claims] => 16 [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] => 13351517 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/351517
Backlight lamp cover, backlight backboard and liquid crystal display module Jan 16, 2012 Issued
Array ( [id] => 8311465 [patent_doc_number] => 20120188475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-26 [patent_title] => 'DISPLAY DEVICE, BARRIER DEVICE, AND METHOD OF DRIVING DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/351373 [patent_app_country] => US [patent_app_date] => 2012-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 12797 [patent_no_of_claims] => 18 [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] => 13351373 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/351373
DISPLAY DEVICE, BARRIER DEVICE, AND METHOD OF DRIVING DISPLAY DEVICE Jan 16, 2012 Abandoned
Array ( [id] => 9627804 [patent_doc_number] => 08797492 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-05 [patent_title] => 'Flexible circuit board' [patent_app_type] => utility [patent_app_number] => 13/350956 [patent_app_country] => US [patent_app_date] => 2012-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2897 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13350956 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/350956
Flexible circuit board Jan 15, 2012 Issued
Array ( [id] => 10098270 [patent_doc_number] => 09134577 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-15 [patent_title] => 'Liquid crystal display device' [patent_app_type] => utility [patent_app_number] => 13/350337 [patent_app_country] => US [patent_app_date] => 2012-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 11997 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 407 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13350337 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/350337
Liquid crystal display device Jan 12, 2012 Issued
Array ( [id] => 8851990 [patent_doc_number] => 20130141665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'LIQUID CRYSTAL MODULE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/395876 [patent_app_country] => US [patent_app_date] => 2011-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1829 [patent_no_of_claims] => 18 [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] => 13395876 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/395876
Liquid crystal module and liquid crystal display device including the same Dec 19, 2011 Issued
Array ( [id] => 8827122 [patent_doc_number] => 20130128167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'LIQUID CRYSTAL DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/379873 [patent_app_country] => US [patent_app_date] => 2011-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2132 [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] => 13379873 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/379873
LIQUID CRYSTAL DISPLAY DEVICE Nov 23, 2011 Abandoned
Array ( [id] => 8819658 [patent_doc_number] => 20130120704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-16 [patent_title] => 'CHIP-ON-FILM STRUCTURE FOR LIQUID CRYSTAL PANEL' [patent_app_type] => utility [patent_app_number] => 13/380012 [patent_app_country] => US [patent_app_date] => 2011-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2513 [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] => 13380012 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/380012
Chip-on-film structure for liquid crystal panel Nov 22, 2011 Issued
Array ( [id] => 8789294 [patent_doc_number] => 20130106263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-02 [patent_title] => 'BACKLIGHT MODULE' [patent_app_type] => utility [patent_app_number] => 13/380031 [patent_app_country] => US [patent_app_date] => 2011-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2366 [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] => 13380031 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/380031
BACKLIGHT MODULE Nov 10, 2011 Abandoned
Array ( [id] => 10832728 [patent_doc_number] => 08860906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-14 [patent_title] => 'Directional light guide plate, directional surface light source, and three-dimensional image display apparatus employing the directional surface light source' [patent_app_type] => utility [patent_app_number] => 13/285241 [patent_app_country] => US [patent_app_date] => 2011-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 7537 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13285241 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/285241
Directional light guide plate, directional surface light source, and three-dimensional image display apparatus employing the directional surface light source Oct 30, 2011 Issued
Array ( [id] => 10163862 [patent_doc_number] => 09195083 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-24 [patent_title] => 'Impact resistant construction of an interactive device' [patent_app_type] => utility [patent_app_number] => 13/284989 [patent_app_country] => US [patent_app_date] => 2011-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2693 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13284989 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/284989
Impact resistant construction of an interactive device Oct 30, 2011 Issued
Array ( [id] => 9609625 [patent_doc_number] => 08786804 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-22 [patent_title] => 'Surface light source device and LCD unit' [patent_app_type] => utility [patent_app_number] => 13/284859 [patent_app_country] => US [patent_app_date] => 2011-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 24 [patent_no_of_words] => 10659 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 590 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13284859 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/284859
Surface light source device and LCD unit Oct 27, 2011 Issued
Array ( [id] => 9553543 [patent_doc_number] => 08760600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-24 [patent_title] => 'Area active backlight with spatiotemporal backlight' [patent_app_type] => utility [patent_app_number] => 13/284486 [patent_app_country] => US [patent_app_date] => 2011-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 6343 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13284486 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/284486
Area active backlight with spatiotemporal backlight Oct 27, 2011 Issued
Array ( [id] => 8168656 [patent_doc_number] => 20120105779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-03 [patent_title] => 'COLOR FILTER SUBSTRATE, METHOD OF MANUFACTURING THEREOF AND 3D LIQUID CRYSTAL DISPLAY' [patent_app_type] => utility [patent_app_number] => 13/284235 [patent_app_country] => US [patent_app_date] => 2011-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3290 [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] => publications/A1/0105/20120105779.pdf [firstpage_image] =>[orig_patent_app_number] => 13284235 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/284235
COLOR FILTER SUBSTRATE, METHOD OF MANUFACTURING THEREOF AND 3D LIQUID CRYSTAL DISPLAY Oct 27, 2011 Abandoned
Array ( [id] => 8616258 [patent_doc_number] => 20130021570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-24 [patent_title] => 'Pixel Electrode And Liquid Crystal Display Panel' [patent_app_type] => utility [patent_app_number] => 13/381888 [patent_app_country] => US [patent_app_date] => 2011-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2867 [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] => 13381888 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/381888
Pixel Electrode And Liquid Crystal Display Panel Sep 29, 2011 Abandoned
Array ( [id] => 8604909 [patent_doc_number] => 20130010222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-10 [patent_title] => 'METHOD FOR CUTTING PANEL SUBSTRATE AND SUBSTRATE CUTTING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/380004 [patent_app_country] => US [patent_app_date] => 2011-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2530 [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] => 13380004 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/380004
METHOD FOR CUTTING PANEL SUBSTRATE AND SUBSTRATE CUTTING APPARATUS Sep 29, 2011 Abandoned
Array ( [id] => 8584186 [patent_doc_number] => 20130003007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-03 [patent_title] => 'Pixel Electrode And Liquid Crystal Display Panel' [patent_app_type] => utility [patent_app_number] => 13/381889 [patent_app_country] => US [patent_app_date] => 2011-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2779 [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] => 13381889 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/381889
Pixel Electrode And Liquid Crystal Display Panel Sep 28, 2011 Abandoned
Array ( [id] => 8507782 [patent_doc_number] => 20120307190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-06 [patent_title] => 'Pixel Electrode And Liquid Crystal Display Array Substrate' [patent_app_type] => utility [patent_app_number] => 13/381887 [patent_app_country] => US [patent_app_date] => 2011-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3794 [patent_no_of_claims] => 11 [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] => 13381887 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/381887
Pixel Electrode And Liquid Crystal Display Array Substrate Sep 28, 2011 Abandoned
Menu