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] => 9447502 [patent_doc_number] => 20140118671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-01 [patent_title] => 'LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 14/126459 [patent_app_country] => US [patent_app_date] => 2012-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 14508 [patent_no_of_claims] => 12 [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] => 14126459 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/126459
Liquid crystal display panel and liquid crystal display device May 30, 2012 Issued
Array ( [id] => 11763950 [patent_doc_number] => 09372371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-21 [patent_title] => 'Liquid crystal display panel, and liquid crystal display device' [patent_app_type] => utility [patent_app_number] => 14/126455 [patent_app_country] => US [patent_app_date] => 2012-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 32 [patent_no_of_words] => 15213 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14126455 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/126455
Liquid crystal display panel, and liquid crystal display device May 30, 2012 Issued
Array ( [id] => 8882165 [patent_doc_number] => 20130155349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'LIQUID CRYSTAL DISPLAY' [patent_app_type] => utility [patent_app_number] => 13/474827 [patent_app_country] => US [patent_app_date] => 2012-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2501 [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] => 13474827 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/474827
LIQUID CRYSTAL DISPLAY May 17, 2012 Abandoned
Array ( [id] => 10511921 [patent_doc_number] => 09239498 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-19 [patent_title] => 'Liquid crystal display device and manufacturing method thereof' [patent_app_type] => utility [patent_app_number] => 13/641109 [patent_app_country] => US [patent_app_date] => 2012-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4506 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [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] => 13641109 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/641109
Liquid crystal display device and manufacturing method thereof May 16, 2012 Issued
Array ( [id] => 11763878 [patent_doc_number] => 09372295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-21 [patent_title] => 'Liquid crystal film' [patent_app_type] => utility [patent_app_number] => 13/474384 [patent_app_country] => US [patent_app_date] => 2012-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 10943 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13474384 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/474384
Liquid crystal film May 16, 2012 Issued
Array ( [id] => 9159790 [patent_doc_number] => 20130308067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-21 [patent_title] => '2D/3D SWITCHABLE PARALLAX BARRIER DISPLAY' [patent_app_type] => utility [patent_app_number] => 13/474402 [patent_app_country] => US [patent_app_date] => 2012-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5965 [patent_no_of_claims] => 20 [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] => 13474402 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/474402
2D/3D switchable parallax barrier display May 16, 2012 Issued
Array ( [id] => 8610984 [patent_doc_number] => 20130016297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-17 [patent_title] => 'LIQUID CRYSTAL DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/474150 [patent_app_country] => US [patent_app_date] => 2012-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 13334 [patent_no_of_claims] => 21 [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] => 13474150 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/474150
Liquid crystal display device May 16, 2012 Issued
Array ( [id] => 8494335 [patent_doc_number] => 20120293743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-22 [patent_title] => 'LIGHT EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/472641 [patent_app_country] => US [patent_app_date] => 2012-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4920 [patent_no_of_claims] => 6 [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] => 13472641 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/472641
LIGHT EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS May 15, 2012 Abandoned
Array ( [id] => 9119419 [patent_doc_number] => 20130286341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'LCD Device and a Method of Manufacturing the Same' [patent_app_type] => utility [patent_app_number] => 13/522021 [patent_app_country] => US [patent_app_date] => 2012-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2707 [patent_no_of_claims] => 11 [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] => 13522021 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/522021
LCD device and a method of manufacturing the same May 13, 2012 Issued
Array ( [id] => 9066500 [patent_doc_number] => 20130258257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'Liquid Crystal Display Panel, Method for Making the Panel, and Liquid Crystal Display Device' [patent_app_type] => utility [patent_app_number] => 13/574617 [patent_app_country] => US [patent_app_date] => 2012-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4045 [patent_no_of_claims] => 15 [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] => 13574617 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/574617
Liquid Crystal Display Panel, Method for Making the Panel, and Liquid Crystal Display Device Apr 24, 2012 Abandoned
Array ( [id] => 10651789 [patent_doc_number] => 09368048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-14 [patent_title] => 'Display device and method of manufacture' [patent_app_type] => utility [patent_app_number] => 14/114504 [patent_app_country] => US [patent_app_date] => 2012-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1982 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14114504 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/114504
Display device and method of manufacture Apr 11, 2012 Issued
Array ( [id] => 9052488 [patent_doc_number] => 20130250202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-26 [patent_title] => 'Electronic Device with Inverted Liquid Crystal Display' [patent_app_type] => utility [patent_app_number] => 13/424950 [patent_app_country] => US [patent_app_date] => 2012-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7690 [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] => 13424950 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/424950
Electronic device with inverted liquid crystal display Mar 19, 2012 Issued
Array ( [id] => 10845828 [patent_doc_number] => 08873016 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-28 [patent_title] => 'Method for manufacturing liquid crystal display device and liquid crystal display device' [patent_app_type] => utility [patent_app_number] => 13/424570 [patent_app_country] => US [patent_app_date] => 2012-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 2929 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13424570 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/424570
Method for manufacturing liquid crystal display device and liquid crystal display device Mar 19, 2012 Issued
Array ( [id] => 8604903 [patent_doc_number] => 20130010216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-10 [patent_title] => 'TOUCH SCREEN PANEL LIQUID CRYSTAL DISPLAY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/424860 [patent_app_country] => US [patent_app_date] => 2012-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4017 [patent_no_of_claims] => 18 [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] => 13424860 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/424860
TOUCH SCREEN PANEL LIQUID CRYSTAL DISPLAY DEVICE Mar 19, 2012 Abandoned
Array ( [id] => 11180766 [patent_doc_number] => 09412763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-09 [patent_title] => 'Display device and electronic unit' [patent_app_type] => utility [patent_app_number] => 13/417989 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 37 [patent_no_of_words] => 11946 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13417989 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/417989
Display device and electronic unit Mar 11, 2012 Issued
Array ( [id] => 8415441 [patent_doc_number] => 20120242941 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-27 [patent_title] => 'LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/417354 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 14197 [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] => 13417354 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/417354
LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME Mar 11, 2012 Abandoned
Array ( [id] => 8391892 [patent_doc_number] => 20120229719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => '3D DISPLAY DEVICE AND ALTERNATE-FRAME SEQUENCING MANNER 3D DISPLAY SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/416762 [patent_app_country] => US [patent_app_date] => 2012-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 26164 [patent_no_of_claims] => 13 [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] => 13416762 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/416762
3D DISPLAY DEVICE AND ALTERNATE-FRAME SEQUENCING MANNER 3D DISPLAY SYSTEM Mar 8, 2012 Abandoned
Array ( [id] => 10027306 [patent_doc_number] => 09069202 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-30 [patent_title] => 'Liquid crystal display device' [patent_app_type] => utility [patent_app_number] => 13/407891 [patent_app_country] => US [patent_app_date] => 2012-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 29 [patent_no_of_words] => 19311 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13407891 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/407891
Liquid crystal display device Feb 28, 2012 Issued
Array ( [id] => 8391900 [patent_doc_number] => 20120229748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => 'Liquid Crystal Display Device and Manufacturing Method Thereof' [patent_app_type] => utility [patent_app_number] => 13/408079 [patent_app_country] => US [patent_app_date] => 2012-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3648 [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] => 13408079 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/408079
Liquid Crystal Display Device and Manufacturing Method Thereof Feb 28, 2012 Abandoned
Array ( [id] => 8584190 [patent_doc_number] => 20130003011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-03 [patent_title] => 'Lens Film and Manufacturing Method Thereof' [patent_app_type] => utility [patent_app_number] => 13/400163 [patent_app_country] => US [patent_app_date] => 2012-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4148 [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] => 13400163 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/400163
Lens Film and Manufacturing Method Thereof Feb 19, 2012 Abandoned
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