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] => 9345737 [patent_doc_number] => 08664888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-04 [patent_title] => 'Power converter for a configurable light-emitting diode driver' [patent_app_type] => utility [patent_app_number] => 13/608345 [patent_app_country] => US [patent_app_date] => 2012-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 25 [patent_no_of_words] => 22719 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13608345 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/608345
Power converter for a configurable light-emitting diode driver Sep 9, 2012 Issued
Array ( [id] => 10858331 [patent_doc_number] => 08884536 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [patent_title] => 'Lighting power source and luminaire' [patent_app_type] => utility [patent_app_number] => 13/608177 [patent_app_country] => US [patent_app_date] => 2012-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3744 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13608177 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/608177
Lighting power source and luminaire Sep 9, 2012 Issued
Array ( [id] => 9876165 [patent_doc_number] => 08963439 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-24 [patent_title] => 'Power supply for lighting and luminaire' [patent_app_type] => utility [patent_app_number] => 13/608246 [patent_app_country] => US [patent_app_date] => 2012-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 34 [patent_no_of_words] => 16438 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13608246 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/608246
Power supply for lighting and luminaire Sep 9, 2012 Issued
Array ( [id] => 9360859 [patent_doc_number] => 20140070731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-13 [patent_title] => 'SYSTEMS AND METHODS FOR MODULAR AND CONFIGURABLE DRIVER SYSTEM FOR LED LIGHTING DEVICES' [patent_app_type] => utility [patent_app_number] => 13/607852 [patent_app_country] => US [patent_app_date] => 2012-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2052 [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] => 13607852 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/607852
Systems and methods for modular and configurable driver system for LED lighting devices Sep 9, 2012 Issued
Array ( [id] => 9145784 [patent_doc_number] => 20130300307 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-14 [patent_title] => 'CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES' [patent_app_type] => utility [patent_app_number] => 13/608273 [patent_app_country] => US [patent_app_date] => 2012-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5742 [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] => 13608273 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/608273
Circuits and methods for driving light sources Sep 9, 2012 Issued
Array ( [id] => 10845242 [patent_doc_number] => 08872425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-28 [patent_title] => 'Light distribution control system for vehicle' [patent_app_type] => utility [patent_app_number] => 13/608038 [patent_app_country] => US [patent_app_date] => 2012-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 2743 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13608038 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/608038
Light distribution control system for vehicle Sep 9, 2012 Issued
Array ( [id] => 9360856 [patent_doc_number] => 20140070728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-13 [patent_title] => 'Circuit and Method for Driving LEDs' [patent_app_type] => utility [patent_app_number] => 13/607266 [patent_app_country] => US [patent_app_date] => 2012-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 9742 [patent_no_of_claims] => 14 [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] => 13607266 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/607266
Circuit and method for driving LEDs Sep 6, 2012 Issued
Array ( [id] => 9051702 [patent_doc_number] => 20130249416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-26 [patent_title] => 'POWER SUPPLY SYSTEM AND CONTROLLING METHOD' [patent_app_type] => utility [patent_app_number] => 13/607278 [patent_app_country] => US [patent_app_date] => 2012-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5835 [patent_no_of_claims] => 20 [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] => 13607278 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/607278
Power supply system and controlling method Sep 6, 2012 Issued
Array ( [id] => 9889653 [patent_doc_number] => 08975914 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-10 [patent_title] => 'Isolation receiver' [patent_app_type] => utility [patent_app_number] => 13/602905 [patent_app_country] => US [patent_app_date] => 2012-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 14 [patent_no_of_words] => 4220 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13602905 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/602905
Isolation receiver Sep 3, 2012 Issued
Array ( [id] => 9552999 [patent_doc_number] => 08760052 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-24 [patent_title] => 'Indicator lamp lighting circuit for vehicle' [patent_app_type] => utility [patent_app_number] => 13/599274 [patent_app_country] => US [patent_app_date] => 2012-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4763 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13599274 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/599274
Indicator lamp lighting circuit for vehicle Aug 29, 2012 Issued
Array ( [id] => 8681332 [patent_doc_number] => 20130049616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'DISPLAY APPARATUS USING A BACKLIGHT' [patent_app_type] => utility [patent_app_number] => 13/596956 [patent_app_country] => US [patent_app_date] => 2012-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10139 [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] => 13596956 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/596956
Display apparatus using a backlight Aug 27, 2012 Issued
Array ( [id] => 9014146 [patent_doc_number] => 20130229110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-05 [patent_title] => 'LOCOMOTIVE HEADLIGHT ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 13/596620 [patent_app_country] => US [patent_app_date] => 2012-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10496 [patent_no_of_claims] => 31 [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] => 13596620 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/596620
Locomotive headlight assembly Aug 27, 2012 Issued
Array ( [id] => 9145787 [patent_doc_number] => 20130300310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-14 [patent_title] => 'LIGHT EMITTING DIODE DRIVER WITH ISOLATED CONTROL CIRCUITS' [patent_app_type] => utility [patent_app_number] => 13/596696 [patent_app_country] => US [patent_app_date] => 2012-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5842 [patent_no_of_claims] => 22 [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] => 13596696 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/596696
Light emitting diode driver with isolated control circuits Aug 27, 2012 Issued
Array ( [id] => 10278880 [patent_doc_number] => 20150163877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-11 [patent_title] => 'Led Control Circuit and a Controlling Method of the Same' [patent_app_type] => utility [patent_app_number] => 14/350566 [patent_app_country] => US [patent_app_date] => 2012-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3935 [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] => 14350566 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/350566
LED control circuit and a controlling method of the same Aug 26, 2012 Issued
Array ( [id] => 10871010 [patent_doc_number] => 08896213 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-11-25 [patent_title] => 'Adaptive lamp warm up control for dimming ballast based on lamp impedance sensing' [patent_app_type] => utility [patent_app_number] => 13/595564 [patent_app_country] => US [patent_app_date] => 2012-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5608 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13595564 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/595564
Adaptive lamp warm up control for dimming ballast based on lamp impedance sensing Aug 26, 2012 Issued
Array ( [id] => 10624321 [patent_doc_number] => 09343271 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-17 [patent_title] => 'Apparatus for generating thermodynamically cold microwave plasma' [patent_app_type] => utility [patent_app_number] => 14/238744 [patent_app_country] => US [patent_app_date] => 2012-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2545 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 14238744 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/238744
Apparatus for generating thermodynamically cold microwave plasma Aug 24, 2012 Issued
Array ( [id] => 9216819 [patent_doc_number] => 08629621 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-14 [patent_title] => 'Resonant network for reduction of flicker perception in solid state lighting systems' [patent_app_type] => utility [patent_app_number] => 13/592590 [patent_app_country] => US [patent_app_date] => 2012-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 9431 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13592590 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/592590
Resonant network for reduction of flicker perception in solid state lighting systems Aug 22, 2012 Issued
Array ( [id] => 9832484 [patent_doc_number] => 08941303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-27 [patent_title] => 'Method for determining an illumination range of at least one headlight and method for calibrating a light emission of at least one headlight of a vehicle' [patent_app_type] => utility [patent_app_number] => 13/590615 [patent_app_country] => US [patent_app_date] => 2012-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 5814 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [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] => 13590615 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/590615
Method for determining an illumination range of at least one headlight and method for calibrating a light emission of at least one headlight of a vehicle Aug 20, 2012 Issued
Array ( [id] => 8681335 [patent_doc_number] => 20130049619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'Device and Method for Using High Efficiency Ballasted Lamps with Electronic Transformer' [patent_app_type] => utility [patent_app_number] => 13/590245 [patent_app_country] => US [patent_app_date] => 2012-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3629 [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] => 13590245 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/590245
Device and method for using high efficiency ballasted lamps with electronic transformer Aug 20, 2012 Issued
Array ( [id] => 9105013 [patent_doc_number] => 20130278144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-24 [patent_title] => 'OLED Panel With Fuses' [patent_app_type] => utility [patent_app_number] => 13/590081 [patent_app_country] => US [patent_app_date] => 2012-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 25335 [patent_no_of_claims] => 21 [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] => 13590081 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/590081
OLED panel with fuses Aug 19, 2012 Issued
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