Search

Daniel D. Chang

Examiner (ID: 461, Phone: (571)272-1801 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2845, 2819, 2844, 0
Total Applications
2565
Issued Applications
2341
Pending Applications
103
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 8681303 [patent_doc_number] => 20130049587 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'LIGHTING CONTROL DEVICE FOR VEHICLE HEADLAMP, AND VEHICLE HEADLAMP SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/589563 [patent_app_country] => US [patent_app_date] => 2012-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5129 [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] => 13589563 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/589563
Lighting control device for vehicle headlamp, and vehicle headlamp system Aug 19, 2012 Issued
Array ( [id] => 10898909 [patent_doc_number] => 08922132 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-30 [patent_title] => 'Load system having a control element powered by a control signal' [patent_app_type] => utility [patent_app_number] => 13/589692 [patent_app_country] => US [patent_app_date] => 2012-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3606 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13589692 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/589692
Load system having a control element powered by a control signal Aug 19, 2012 Issued
Array ( [id] => 8583321 [patent_doc_number] => 20130002143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-03 [patent_title] => 'Controller' [patent_app_type] => utility [patent_app_number] => 13/589168 [patent_app_country] => US [patent_app_date] => 2012-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2651 [patent_no_of_claims] => 26 [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] => 13589168 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/589168
Controller Aug 18, 2012 Issued
Array ( [id] => 10871019 [patent_doc_number] => 08896222 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-25 [patent_title] => 'Power supply device and luminaire' [patent_app_type] => utility [patent_app_number] => 13/585925 [patent_app_country] => US [patent_app_date] => 2012-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3142 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13585925 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/585925
Power supply device and luminaire Aug 14, 2012 Issued
Array ( [id] => 8681330 [patent_doc_number] => 20130049614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'LED DRIVER APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/586089 [patent_app_country] => US [patent_app_date] => 2012-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4829 [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] => 13586089 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/586089
LED driver apparatus Aug 14, 2012 Issued
Array ( [id] => 9317392 [patent_doc_number] => 20140049730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-20 [patent_title] => 'LED DRIVER WITH BOOST CONVERTER CURRENT CONTROL' [patent_app_type] => utility [patent_app_number] => 13/586607 [patent_app_country] => US [patent_app_date] => 2012-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2812 [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] => 13586607 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/586607
LED DRIVER WITH BOOST CONVERTER CURRENT CONTROL Aug 14, 2012 Abandoned
Array ( [id] => 9118644 [patent_doc_number] => 20130285566 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'LIGHT EMITTING DIODE DRIVING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/585428 [patent_app_country] => US [patent_app_date] => 2012-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3927 [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] => 13585428 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/585428
LIGHT EMITTING DIODE DRIVING APPARATUS Aug 13, 2012 Abandoned
Array ( [id] => 8681342 [patent_doc_number] => 20130049626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'METHOD AND APPARATUS FOR LED LIGHTING' [patent_app_type] => utility [patent_app_number] => 13/585170 [patent_app_country] => US [patent_app_date] => 2012-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5346 [patent_no_of_claims] => 23 [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] => 13585170 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/585170
Method and apparatus for LED lighting Aug 13, 2012 Issued
Array ( [id] => 8777724 [patent_doc_number] => 20130099699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-25 [patent_title] => 'POWER SUPPLY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/584676 [patent_app_country] => US [patent_app_date] => 2012-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4550 [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] => 13584676 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/584676
Power supply device Aug 12, 2012 Issued
Array ( [id] => 8681355 [patent_doc_number] => 20130049639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'LIGHT SOURCE APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/572843 [patent_app_country] => US [patent_app_date] => 2012-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4513 [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] => 13572843 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/572843
Light source apparatus Aug 12, 2012 Issued
Array ( [id] => 9609028 [patent_doc_number] => 08786199 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-22 [patent_title] => 'Method for compensating and checking light amount of light-emitting device' [patent_app_type] => utility [patent_app_number] => 13/572032 [patent_app_country] => US [patent_app_date] => 2012-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3744 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13572032 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/572032
Method for compensating and checking light amount of light-emitting device Aug 9, 2012 Issued
Array ( [id] => 10888728 [patent_doc_number] => 08912724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-16 [patent_title] => 'LED emitting device and driving method thereof' [patent_app_type] => utility [patent_app_number] => 13/570628 [patent_app_country] => US [patent_app_date] => 2012-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4520 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13570628 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/570628
LED emitting device and driving method thereof Aug 8, 2012 Issued
Array ( [id] => 10858316 [patent_doc_number] => 08884520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [patent_title] => 'Impedance matching apparatus' [patent_app_type] => utility [patent_app_number] => 13/571167 [patent_app_country] => US [patent_app_date] => 2012-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 25 [patent_no_of_words] => 6888 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13571167 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/571167
Impedance matching apparatus Aug 8, 2012 Issued
Array ( [id] => 8669257 [patent_doc_number] => 20130043795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-21 [patent_title] => 'LIGHTING DEVICE CONTROLLER PROGRAMMING' [patent_app_type] => utility [patent_app_number] => 13/570943 [patent_app_country] => US [patent_app_date] => 2012-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2788 [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] => 13570943 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/570943
Lighting device controller programming Aug 8, 2012 Issued
Array ( [id] => 9402417 [patent_doc_number] => 08692475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-08 [patent_title] => 'PFC LED driver capable of reducing current ripple' [patent_app_type] => utility [patent_app_number] => 13/569749 [patent_app_country] => US [patent_app_date] => 2012-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3976 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13569749 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/569749
PFC LED driver capable of reducing current ripple Aug 7, 2012 Issued
Array ( [id] => 8863649 [patent_doc_number] => 20130147352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-13 [patent_title] => 'Solar powered electrical circuit integrating: Auxillaries & Lighting System' [patent_app_type] => utility [patent_app_number] => 13/507821 [patent_app_country] => US [patent_app_date] => 2012-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5875 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 19 [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] => 13507821 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/507821
Solar powered electrical circuit integrating: Auxillaries & Lighting System Jul 30, 2012 Abandoned
Array ( [id] => 10864862 [patent_doc_number] => 08890569 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-18 [patent_title] => 'Method and system for providing a nonvolatile logic array' [patent_app_type] => utility [patent_app_number] => 13/557376 [patent_app_country] => US [patent_app_date] => 2012-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 6856 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13557376 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/557376
Method and system for providing a nonvolatile logic array Jul 24, 2012 Issued
Array ( [id] => 10294717 [patent_doc_number] => 20150179716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-25 [patent_title] => 'SURFACE LIGHT-EMITTING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/413657 [patent_app_country] => US [patent_app_date] => 2012-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5218 [patent_no_of_claims] => 28 [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] => 14413657 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/413657
SURFACE LIGHT-EMITTING DEVICE Jul 18, 2012 Abandoned
Array ( [id] => 9509121 [patent_doc_number] => 20140145612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-29 [patent_title] => 'VEHICLE LIGHT DISTRIBUTION CONTROL DEVICE AND VEHICLE LIGHT DISTRIBUTION CONTROL METHOD' [patent_app_type] => utility [patent_app_number] => 14/131596 [patent_app_country] => US [patent_app_date] => 2012-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8054 [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] => 14131596 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/131596
Vehicle light distribution control device and vehicle light distribution control method Jul 10, 2012 Issued
Array ( [id] => 8889161 [patent_doc_number] => 20130162345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'SEMICONDUCTOR INTEGRATED CIRCUIT INCLUDING A POWER CONTROLLABLE REGION' [patent_app_type] => utility [patent_app_number] => 13/534934 [patent_app_country] => US [patent_app_date] => 2012-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 10076 [patent_no_of_claims] => 5 [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] => 13534934 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/534934
Semiconductor integrated circuit including a power controllable region Jun 26, 2012 Issued
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