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] => 9390047 [patent_doc_number] => 08686654 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-01 [patent_title] => 'Efficiency regulation for LED illumination' [patent_app_type] => utility [patent_app_number] => 13/325707 [patent_app_country] => US [patent_app_date] => 2011-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 7092 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13325707 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/325707
Efficiency regulation for LED illumination Dec 13, 2011 Issued
Array ( [id] => 8249518 [patent_doc_number] => 20120153848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-21 [patent_title] => 'REFERENCE VOLTAGE GENERATING CIRCUIT AND LED DRIVER CIRCUIT HAVING THE SAME THEREIN' [patent_app_type] => utility [patent_app_number] => 13/316897 [patent_app_country] => US [patent_app_date] => 2011-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4038 [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] => publications/A1/0153/20120153848.pdf [firstpage_image] =>[orig_patent_app_number] => 13316897 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/316897
Reference voltage generating circuit and LED driver circuit having the same therein Dec 11, 2011 Issued
Array ( [id] => 8851313 [patent_doc_number] => 20130140988 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'TUNABLE LED LAMP FOR PRODUCING BIOLOGICALLY-ADJUSTED LIGHT' [patent_app_type] => utility [patent_app_number] => 13/311300 [patent_app_country] => US [patent_app_date] => 2011-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 9271 [patent_no_of_claims] => 70 [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] => 13311300 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/311300
Tunable LED lamp for producing biologically-adjusted light Dec 4, 2011 Issued
Array ( [id] => 8839255 [patent_doc_number] => 20130134883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-30 [patent_title] => 'INTELLIGENT POWER CONTROL SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/304453 [patent_app_country] => US [patent_app_date] => 2011-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2867 [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] => 13304453 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/304453
Intelligent power control system Nov 24, 2011 Issued
Array ( [id] => 9402426 [patent_doc_number] => 08692484 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-08 [patent_title] => 'Automatic light regulating power supply device' [patent_app_type] => utility [patent_app_number] => 13/304455 [patent_app_country] => US [patent_app_date] => 2011-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3689 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13304455 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/304455
Automatic light regulating power supply device Nov 24, 2011 Issued
Array ( [id] => 8037727 [patent_doc_number] => 20120068599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-22 [patent_title] => 'METHOD OF DRIVING A FLASH DEVICE AND A NUMBER OF LOADS POWERED BY A BATTERY AND HANDHELD ELECTRONIC DEVICE INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/304360 [patent_app_country] => US [patent_app_date] => 2011-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6265 [patent_no_of_claims] => 26 [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] => publications/A1/0068/20120068599.pdf [firstpage_image] =>[orig_patent_app_number] => 13304360 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/304360
Method of driving a flash device and a number of loads powered by a battery and handheld electronic device including the same Nov 23, 2011 Issued
Array ( [id] => 9027219 [patent_doc_number] => 08536804 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-17 [patent_title] => 'Converting controller' [patent_app_type] => utility [patent_app_number] => 13/304271 [patent_app_country] => US [patent_app_date] => 2011-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4535 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13304271 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/304271
Converting controller Nov 22, 2011 Issued
Array ( [id] => 8826297 [patent_doc_number] => 20130127342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'AMALGAM HEATER FOR FLUORESCENT LAMPS' [patent_app_type] => utility [patent_app_number] => 13/303536 [patent_app_country] => US [patent_app_date] => 2011-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3560 [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] => 13303536 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/303536
Amalgam heater for fluorescent lamps Nov 22, 2011 Issued
Array ( [id] => 9027223 [patent_doc_number] => 08536808 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-17 [patent_title] => 'CMOS bootstrap circuit for DC/DC buck converter using low voltage CMOS diode' [patent_app_type] => utility [patent_app_number] => 13/304197 [patent_app_country] => US [patent_app_date] => 2011-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5308 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13304197 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/304197
CMOS bootstrap circuit for DC/DC buck converter using low voltage CMOS diode Nov 22, 2011 Issued
Array ( [id] => 10851762 [patent_doc_number] => 08878450 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-04 [patent_title] => 'Light emission systems having non-monochromatic emitters and associated systems and methods' [patent_app_type] => utility [patent_app_number] => 13/302802 [patent_app_country] => US [patent_app_date] => 2011-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 5033 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13302802 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/302802
Light emission systems having non-monochromatic emitters and associated systems and methods Nov 21, 2011 Issued
Array ( [id] => 8826302 [patent_doc_number] => 20130127347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'Sensing Device for LED Lighting Equipment' [patent_app_type] => utility [patent_app_number] => 13/301794 [patent_app_country] => US [patent_app_date] => 2011-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2893 [patent_no_of_claims] => 9 [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] => 13301794 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/301794
Sensing device for LED lighting equipment Nov 21, 2011 Issued
Array ( [id] => 9274104 [patent_doc_number] => 08638038 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-28 [patent_title] => 'System for reprogramming power parameters for light emitting diodes' [patent_app_type] => utility [patent_app_number] => 13/302078 [patent_app_country] => US [patent_app_date] => 2011-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3431 [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] => 13302078 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/302078
System for reprogramming power parameters for light emitting diodes Nov 21, 2011 Issued
Array ( [id] => 8826310 [patent_doc_number] => 20130127355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'STARTING CIRCUIT FOR BUCK CONVERTER' [patent_app_type] => utility [patent_app_number] => 13/302075 [patent_app_country] => US [patent_app_date] => 2011-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6850 [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] => 13302075 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/302075
Starting circuit for buck converter Nov 21, 2011 Issued
Array ( [id] => 8217883 [patent_doc_number] => 20120133300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-31 [patent_title] => 'COLOR MIXING AND DESATURATION WITH REDUCED NUMBER OF CONVERTERS' [patent_app_type] => utility [patent_app_number] => 13/302991 [patent_app_country] => US [patent_app_date] => 2011-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 16291 [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] => 13302991 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/302991
Color mixing and desaturation with reduced number of converters Nov 21, 2011 Issued
Array ( [id] => 8237818 [patent_doc_number] => 20120146547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'Power Supply Device and Method for a Lighting System with Light-Emitting Diodes and Lighting Assembly Comprising One Such Device' [patent_app_type] => utility [patent_app_number] => 13/301022 [patent_app_country] => US [patent_app_date] => 2011-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4695 [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] => 13301022 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/301022
Power supply device and method for a lighting system with light-emitting diodes and lighting assembly comprising one such device Nov 20, 2011 Issued
Array ( [id] => 8604353 [patent_doc_number] => 20130009665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-10 [patent_title] => 'Integrated Circuit Elementary Cell with a Low Sensitivity to External Disturbances' [patent_app_type] => utility [patent_app_number] => 13/300255 [patent_app_country] => US [patent_app_date] => 2011-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4751 [patent_no_of_claims] => 24 [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] => 13300255 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/300255
Integrated circuit elementary cell with a low sensitivity to external disturbances Nov 17, 2011 Issued
Array ( [id] => 8826469 [patent_doc_number] => 20130127514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'LEVEL TRANSLATOR' [patent_app_type] => utility [patent_app_number] => 13/298389 [patent_app_country] => US [patent_app_date] => 2011-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2552 [patent_no_of_claims] => 32 [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] => 13298389 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/298389
Level translator Nov 16, 2011 Issued
Array ( [id] => 8714042 [patent_doc_number] => 08400185 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-03-19 [patent_title] => 'Driving circuit with zero current shutdown and a driving method thereof' [patent_app_type] => utility [patent_app_number] => 13/373497 [patent_app_country] => US [patent_app_date] => 2011-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4426 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13373497 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/373497
Driving circuit with zero current shutdown and a driving method thereof Nov 15, 2011 Issued
Array ( [id] => 9350885 [patent_doc_number] => 08669780 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-11 [patent_title] => 'Three dimensional integrated circuit connection structure and method' [patent_app_type] => utility [patent_app_number] => 13/296996 [patent_app_country] => US [patent_app_date] => 2011-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5671 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13296996 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/296996
Three dimensional integrated circuit connection structure and method Nov 14, 2011 Issued
Array ( [id] => 8818976 [patent_doc_number] => 20130120021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-16 [patent_title] => '3D IC STRUCTURE AND METHOD' [patent_app_type] => utility [patent_app_number] => 13/295312 [patent_app_country] => US [patent_app_date] => 2011-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7070 [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] => 13295312 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/295312
3D IC structure and method Nov 13, 2011 Issued
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