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] => 9778870 [patent_doc_number] => 08854079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-07 [patent_title] => 'Error detection in nonvolatile logic arrays using parity' [patent_app_type] => utility [patent_app_number] => 13/753856 [patent_app_country] => US [patent_app_date] => 2013-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 14630 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13753856 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/753856
Error detection in nonvolatile logic arrays using parity Jan 29, 2013 Issued
Array ( [id] => 8826451 [patent_doc_number] => 20130127496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'DRIVING CIRCUIT WITH ZERO CURRENT SHUTDOWN AND A DRIVING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/747631 [patent_app_country] => US [patent_app_date] => 2013-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4488 [patent_no_of_claims] => 16 [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] => 13747631 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/747631
Driving circuit with zero current shutdown and a driving method thereof Jan 22, 2013 Issued
Array ( [id] => 8851337 [patent_doc_number] => 20130141012 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-06 [patent_title] => 'LED-Based Lighting Power Supplies With Power Factor Correction And Dimming Control' [patent_app_type] => utility [patent_app_number] => 13/742162 [patent_app_country] => US [patent_app_date] => 2013-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10144 [patent_no_of_claims] => 19 [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] => 13742162 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/742162
LED-Based Lighting Power Supplies With Power Factor Correction And Dimming Control Jan 14, 2013 Abandoned
Array ( [id] => 10059966 [patent_doc_number] => 09099330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-04 [patent_title] => 'Semiconductor chip and semiconductor device' [patent_app_type] => utility [patent_app_number] => 13/735661 [patent_app_country] => US [patent_app_date] => 2013-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5000 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13735661 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/735661
Semiconductor chip and semiconductor device Jan 6, 2013 Issued
Array ( [id] => 9889559 [patent_doc_number] => 08975820 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-10 [patent_title] => 'Smooth dimming of solid state light source using calculated slew rate' [patent_app_type] => utility [patent_app_number] => 14/370607 [patent_app_country] => US [patent_app_date] => 2013-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 9437 [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] => 14370607 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/370607
Smooth dimming of solid state light source using calculated slew rate Jan 1, 2013 Issued
Array ( [id] => 10108327 [patent_doc_number] => 09144122 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-22 [patent_title] => 'Driver for arrays of lighting elements' [patent_app_type] => utility [patent_app_number] => 14/369983 [patent_app_country] => US [patent_app_date] => 2012-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 31 [patent_no_of_words] => 10705 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [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] => 14369983 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/369983
Driver for arrays of lighting elements Dec 30, 2012 Issued
Array ( [id] => 10509743 [patent_doc_number] => 09237622 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-12 [patent_title] => 'Power supply for a field emission light source' [patent_app_type] => utility [patent_app_number] => 14/369235 [patent_app_country] => US [patent_app_date] => 2012-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5204 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14369235 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/369235
Power supply for a field emission light source Dec 20, 2012 Issued
Array ( [id] => 10504201 [patent_doc_number] => 09232604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-05 [patent_title] => 'Color tunable lighting assembly, a light source and a luminaire' [patent_app_type] => utility [patent_app_number] => 14/370379 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 9216 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14370379 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/370379
Color tunable lighting assembly, a light source and a luminaire Dec 19, 2012 Issued
Array ( [id] => 9996825 [patent_doc_number] => 09041427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-26 [patent_title] => 'Quantum circuit within waveguide-beyond-cutoff' [patent_app_type] => utility [patent_app_number] => 13/713759 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3217 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13713759 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/713759
Quantum circuit within waveguide-beyond-cutoff Dec 12, 2012 Issued
Array ( [id] => 8881862 [patent_doc_number] => 20130155046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'Level Shifter With Low Voltage Loss' [patent_app_type] => utility [patent_app_number] => 13/689534 [patent_app_country] => US [patent_app_date] => 2012-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2165 [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] => 13689534 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/689534
Level shifter with low voltage loss Nov 28, 2012 Issued
Array ( [id] => 9754408 [patent_doc_number] => 20140285108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-25 [patent_title] => 'LIGHT-EMITTING CONTORL CIRCUIT, LIGHT-EMITTING CONTROL METHOD AND SHIFT REGISTER' [patent_app_type] => utility [patent_app_number] => 14/126640 [patent_app_country] => US [patent_app_date] => 2012-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5948 [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] => 14126640 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/126640
Light-emitting control circuit, light-emitting control method and shift register Nov 20, 2012 Issued
Array ( [id] => 12048978 [patent_doc_number] => 09826600 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-21 [patent_title] => 'Communication protocol for lighting system with embedded processors and system operating with the protocol' [patent_app_type] => utility [patent_app_number] => 14/354664 [patent_app_country] => US [patent_app_date] => 2012-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 10964 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14354664 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/354664
Communication protocol for lighting system with embedded processors and system operating with the protocol Oct 22, 2012 Issued
Array ( [id] => 10059912 [patent_doc_number] => 09099275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-04 [patent_title] => 'Ion generation device and electrical apparatus' [patent_app_type] => utility [patent_app_number] => 14/351594 [patent_app_country] => US [patent_app_date] => 2012-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 8563 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14351594 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/351594
Ion generation device and electrical apparatus Oct 16, 2012 Issued
Array ( [id] => 9419167 [patent_doc_number] => 20140103817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-17 [patent_title] => 'Night light' [patent_app_type] => utility [patent_app_number] => 13/573962 [patent_app_country] => US [patent_app_date] => 2012-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2436 [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] => 13573962 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/573962
Night light Oct 16, 2012 Abandoned
Array ( [id] => 10575012 [patent_doc_number] => 09297643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-29 [patent_title] => 'Distance estimation using split beam luminaire' [patent_app_type] => utility [patent_app_number] => 14/356404 [patent_app_country] => US [patent_app_date] => 2012-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 10207 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14356404 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/356404
Distance estimation using split beam luminaire Oct 14, 2012 Issued
Array ( [id] => 10565184 [patent_doc_number] => 09288878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-15 [patent_title] => 'Commissioning lighting systems' [patent_app_type] => utility [patent_app_number] => 14/351992 [patent_app_country] => US [patent_app_date] => 2012-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3054 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14351992 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/351992
Commissioning lighting systems Oct 11, 2012 Issued
Array ( [id] => 10527332 [patent_doc_number] => 09253860 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-02 [patent_title] => 'Commissioning of lighting systems' [patent_app_type] => utility [patent_app_number] => 14/352003 [patent_app_country] => US [patent_app_date] => 2012-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3530 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14352003 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/352003
Commissioning of lighting systems Oct 8, 2012 Issued
Array ( [id] => 9406501 [patent_doc_number] => 20140097753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-10 [patent_title] => 'LED Lighting system for self-dissipation of heat' [patent_app_type] => utility [patent_app_number] => 13/573744 [patent_app_country] => US [patent_app_date] => 2012-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1564 [patent_no_of_claims] => 9 [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] => 13573744 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/573744
LED Lighting system for self-dissipation of heat Oct 4, 2012 Abandoned
Array ( [id] => 10951168 [patent_doc_number] => 20140354189 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-04 [patent_title] => 'DIMMABLE LUMINARY FEATURING COLOUR CHANGE DURING DIMMING' [patent_app_type] => utility [patent_app_number] => 14/350678 [patent_app_country] => US [patent_app_date] => 2012-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6194 [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] => 14350678 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/350678
Dimmable luminary featuring colour change during dimming Oct 1, 2012 Issued
Array ( [id] => 9394319 [patent_doc_number] => 20140091725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-03 [patent_title] => 'Method of powering flashlight tailcaps' [patent_app_type] => utility [patent_app_number] => 13/573638 [patent_app_country] => US [patent_app_date] => 2012-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2444 [patent_no_of_claims] => 25 [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] => 13573638 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/573638
Method of powering flashlight tailcaps Sep 28, 2012 Issued
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