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] => 8249511 [patent_doc_number] => 20120153826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-21 [patent_title] => 'Wireless Electroluminescent Device' [patent_app_type] => utility [patent_app_number] => 13/392119 [patent_app_country] => US [patent_app_date] => 2010-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3866 [patent_no_of_claims] => 15 [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/A1/0153/20120153826.pdf [firstpage_image] =>[orig_patent_app_number] => 13392119 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/392119
Wireless electroluminescent device Aug 29, 2010 Issued
Array ( [id] => 4504371 [patent_doc_number] => 07919977 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-05 [patent_title] => 'Circuits and methods for testing FPGA routing switches' [patent_app_type] => utility [patent_app_number] => 12/860004 [patent_app_country] => US [patent_app_date] => 2010-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 7294 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/919/07919977.pdf [firstpage_image] =>[orig_patent_app_number] => 12860004 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/860004
Circuits and methods for testing FPGA routing switches Aug 19, 2010 Issued
Array ( [id] => 8773108 [patent_doc_number] => 08427070 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-23 [patent_title] => 'Lighting circuit and illumination device' [patent_app_type] => utility [patent_app_number] => 12/860528 [patent_app_country] => US [patent_app_date] => 2010-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 8715 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 12860528 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/860528
Lighting circuit and illumination device Aug 19, 2010 Issued
Array ( [id] => 6068278 [patent_doc_number] => 20110043127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-24 [patent_title] => 'LED ASSEMBLY AND CIRCUIT FOR USE IN FLUORESCENT LAMP FIXTURES' [patent_app_type] => utility [patent_app_number] => 12/860586 [patent_app_country] => US [patent_app_date] => 2010-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8051 [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] => publications/A1/0043/20110043127.pdf [firstpage_image] =>[orig_patent_app_number] => 12860586 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/860586
LED ASSEMBLY AND CIRCUIT FOR USE IN FLUORESCENT LAMP FIXTURES Aug 19, 2010 Abandoned
Array ( [id] => 6068266 [patent_doc_number] => 20110043115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-24 [patent_title] => 'PWM DIMMING CIRCUIT FOR LED' [patent_app_type] => utility [patent_app_number] => 12/860776 [patent_app_country] => US [patent_app_date] => 2010-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7210 [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] => publications/A1/0043/20110043115.pdf [firstpage_image] =>[orig_patent_app_number] => 12860776 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/860776
PWM dimming circuit for LED Aug 19, 2010 Issued
Array ( [id] => 7655002 [patent_doc_number] => 20110304271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'Light-emitting diode (LED) protection structure' [patent_app_type] => utility [patent_app_number] => 12/805767 [patent_app_country] => US [patent_app_date] => 2010-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1572 [patent_no_of_claims] => 4 [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] => publications/A1/0304/20110304271.pdf [firstpage_image] =>[orig_patent_app_number] => 12805767 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/805767
Light-emitting diode (LED) protection structure Aug 18, 2010 Abandoned
Array ( [id] => 8690685 [patent_doc_number] => 08390214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-03-05 [patent_title] => 'LED-based lighting power supplies with power factor correction and dimming control' [patent_app_type] => utility [patent_app_number] => 12/859717 [patent_app_country] => US [patent_app_date] => 2010-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 10153 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12859717 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/859717
LED-based lighting power supplies with power factor correction and dimming control Aug 18, 2010 Issued
Array ( [id] => 5980963 [patent_doc_number] => 20110095691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-04-28 [patent_title] => 'Lighting Apparatus And Lighting Fixture' [patent_app_type] => utility [patent_app_number] => 12/858646 [patent_app_country] => US [patent_app_date] => 2010-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 26176 [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] => publications/A1/0095/20110095691.pdf [firstpage_image] =>[orig_patent_app_number] => 12858646 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/858646
Lighting apparatus and lighting fixture Aug 17, 2010 Issued
Array ( [id] => 7782347 [patent_doc_number] => 20120043903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-23 [patent_title] => 'Method of Measuring a Resonant Frequency in an Electronic Dimming Ballast' [patent_app_type] => utility [patent_app_number] => 12/858662 [patent_app_country] => US [patent_app_date] => 2010-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4761 [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] => publications/A1/0043/20120043903.pdf [firstpage_image] =>[orig_patent_app_number] => 12858662 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/858662
Method of controlling an operating frequency of an electronic dimming ballast Aug 17, 2010 Issued
Array ( [id] => 8237811 [patent_doc_number] => 20120146548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'LED-BASED LIGHTING FIXTURES AND RELATED METHODS FOR THERMAL MANAGEMENT' [patent_app_type] => utility [patent_app_number] => 13/392261 [patent_app_country] => US [patent_app_date] => 2010-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7603 [patent_no_of_claims] => 15 [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] => 13392261 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/392261
LED-based lighting fixtures and related methods for thermal management Aug 16, 2010 Issued
Array ( [id] => 8340787 [patent_doc_number] => 08242716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-08-14 [patent_title] => 'Liquid crystal display device and method of driving the same' [patent_app_type] => utility [patent_app_number] => 12/857009 [patent_app_country] => US [patent_app_date] => 2010-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4442 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12857009 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/857009
Liquid crystal display device and method of driving the same Aug 15, 2010 Issued
Array ( [id] => 9246343 [patent_doc_number] => 08610631 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-17 [patent_title] => 'Antenna rod for a rod antenna for multiple radio services' [patent_app_type] => utility [patent_app_number] => 12/856676 [patent_app_country] => US [patent_app_date] => 2010-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 5800 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12856676 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/856676
Antenna rod for a rod antenna for multiple radio services Aug 14, 2010 Issued
Array ( [id] => 8653856 [patent_doc_number] => 08373607 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-02-12 [patent_title] => 'Tunable antenna structure having a variable capacitor' [patent_app_type] => utility [patent_app_number] => 12/856070 [patent_app_country] => US [patent_app_date] => 2010-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2477 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 12856070 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/856070
Tunable antenna structure having a variable capacitor Aug 12, 2010 Issued
Array ( [id] => 7773963 [patent_doc_number] => 20120038516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-16 [patent_title] => 'Portable Electronic Device' [patent_app_type] => utility [patent_app_number] => 12/855608 [patent_app_country] => US [patent_app_date] => 2010-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1680 [patent_no_of_claims] => 20 [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/A1/0038/20120038516.pdf [firstpage_image] =>[orig_patent_app_number] => 12855608 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/855608
Portable electronic device Aug 11, 2010 Issued
Array ( [id] => 7751698 [patent_doc_number] => 20120026061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'EMBEDDED PRINTED EDGE-BALUN ANTENNA SYSTEM AND METHOD OF OPERATION THEREOF' [patent_app_type] => utility [patent_app_number] => 12/848129 [patent_app_country] => US [patent_app_date] => 2010-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10088 [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] => publications/A1/0026/20120026061.pdf [firstpage_image] =>[orig_patent_app_number] => 12848129 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/848129
Embedded printed edge-balun antenna system and method of operation thereof Jul 30, 2010 Issued
Array ( [id] => 7751683 [patent_doc_number] => 20120026046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'ANTENNA INTEGRATED WITH A PORTABLE COMMUNICATION DEVICE' [patent_app_type] => utility [patent_app_number] => 12/846898 [patent_app_country] => US [patent_app_date] => 2010-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4650 [patent_no_of_claims] => 19 [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] => publications/A1/0026/20120026046.pdf [firstpage_image] =>[orig_patent_app_number] => 12846898 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/846898
Antenna integrated with a portable communication device Jul 29, 2010 Issued
Array ( [id] => 6193826 [patent_doc_number] => 20110025580 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-03 [patent_title] => 'ANTENNA SYSTEM AND CONNECTOR FOR ANTENNA' [patent_app_type] => utility [patent_app_number] => 12/847296 [patent_app_country] => US [patent_app_date] => 2010-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5928 [patent_no_of_claims] => 18 [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/A1/0025/20110025580.pdf [firstpage_image] =>[orig_patent_app_number] => 12847296 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/847296
Antenna system and connector for antenna Jul 29, 2010 Issued
Array ( [id] => 6193820 [patent_doc_number] => 20110025574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-03 [patent_title] => 'METHOD AND APPARATUS FOR A COMPACT MODULAR PHASED ARRAY ELEMENT' [patent_app_type] => utility [patent_app_number] => 12/847897 [patent_app_country] => US [patent_app_date] => 2010-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5281 [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] => publications/A1/0025/20110025574.pdf [firstpage_image] =>[orig_patent_app_number] => 12847897 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/847897
Method and apparatus for a compact modular phased array element Jul 29, 2010 Issued
Array ( [id] => 7751691 [patent_doc_number] => 20120026054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'Compact Patch Antenna Array' [patent_app_type] => utility [patent_app_number] => 12/847941 [patent_app_country] => US [patent_app_date] => 2010-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2372 [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] => publications/A1/0026/20120026054.pdf [firstpage_image] =>[orig_patent_app_number] => 12847941 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/847941
Compact patch antenna array Jul 29, 2010 Issued
Array ( [id] => 8123579 [patent_doc_number] => 20120086336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-12 [patent_title] => 'POWER CONVERTER AND VEHICLE LIGHTING DEVICE, VEHICLE HEADLIGHT AND VEHICLE USING POWER CONVERTER' [patent_app_type] => utility [patent_app_number] => 13/377861 [patent_app_country] => US [patent_app_date] => 2010-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 7030 [patent_no_of_claims] => 11 [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] => publications/A1/0086/20120086336.pdf [firstpage_image] =>[orig_patent_app_number] => 13377861 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/377861
Power converter and vehicle lighting device, vehicle headlight and vehicle using power converter Jul 18, 2010 Issued
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