Search

Wei Chan

Examiner (ID: 7851, Phone: (571)272-5177 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2845, 2844
Total Applications
779
Issued Applications
576
Pending Applications
74
Abandoned Applications
151

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 9996708 [patent_doc_number] => 09041310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-26 [patent_title] => 'Load driving apparatus related to light emitting diodes' [patent_app_type] => utility [patent_app_number] => 13/945936 [patent_app_country] => US [patent_app_date] => 2013-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6500 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13945936 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/945936
Load driving apparatus related to light emitting diodes Jul 18, 2013 Issued
Array ( [id] => 9717267 [patent_doc_number] => 20140252965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'Methods of Operating Switched Mode Power Supply Circuits Using Adaptive Filtering and Related Controller Circuits' [patent_app_type] => utility [patent_app_number] => 13/945255 [patent_app_country] => US [patent_app_date] => 2013-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7028 [patent_no_of_claims] => 35 [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] => 13945255 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/945255
Methods of operating switched mode power supply circuits using adaptive filtering and related controller circuits Jul 17, 2013 Issued
Array ( [id] => 9488722 [patent_doc_number] => 20140139128 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-22 [patent_title] => 'DIRECT CURRENT CONVERSION CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/937685 [patent_app_country] => US [patent_app_date] => 2013-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8416 [patent_no_of_claims] => 18 [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] => 13937685 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/937685
Direct current conversion circuit Jul 8, 2013 Issued
Array ( [id] => 9938186 [patent_doc_number] => 08987999 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-24 [patent_title] => 'LED driver' [patent_app_type] => utility [patent_app_number] => 13/937652 [patent_app_country] => US [patent_app_date] => 2013-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5361 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13937652 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/937652
LED driver Jul 8, 2013 Issued
Array ( [id] => 9790081 [patent_doc_number] => 20150002025 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-01 [patent_title] => 'LIGHTING ASSEMBLY, APPARATUS AND ASSOCIATED METHOD FOR MAINTAINING LIGHT INTENSITIES' [patent_app_type] => utility [patent_app_number] => 13/931272 [patent_app_country] => US [patent_app_date] => 2013-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8326 [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] => 13931272 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/931272
LIGHTING ASSEMBLY, APPARATUS AND ASSOCIATED METHOD FOR MAINTAINING LIGHT INTENSITIES Jun 27, 2013 Abandoned
Array ( [id] => 9613875 [patent_doc_number] => 20140203732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'LED DRIVER APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/928920 [patent_app_country] => US [patent_app_date] => 2013-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1815 [patent_no_of_claims] => 7 [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] => 13928920 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/928920
LED driver apparatus Jun 26, 2013 Issued
Array ( [id] => 10903602 [patent_doc_number] => 20140306614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-16 [patent_title] => 'SELF-ADAPTIVE DRIVE CIRCUIT AND LED LAMP WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 13/928361 [patent_app_country] => US [patent_app_date] => 2013-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5747 [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] => 13928361 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/928361
Self-adaptive drive circuit and LED lamp with the same Jun 25, 2013 Issued
Array ( [id] => 9488726 [patent_doc_number] => 20140139132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-22 [patent_title] => 'INSPECTING APPARATUS AND INSPECTING METHOD' [patent_app_type] => utility [patent_app_number] => 13/922297 [patent_app_country] => US [patent_app_date] => 2013-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3622 [patent_no_of_claims] => 8 [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] => 13922297 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/922297
INSPECTING APPARATUS AND INSPECTING METHOD Jun 19, 2013 Abandoned
Array ( [id] => 10965081 [patent_doc_number] => 20140368113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-18 [patent_title] => 'Twin Aisle Light Architecture' [patent_app_type] => utility [patent_app_number] => 13/919799 [patent_app_country] => US [patent_app_date] => 2013-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7888 [patent_no_of_claims] => 22 [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] => 13919799 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/919799
Twin Aisle Light Architecture Jun 16, 2013 Abandoned
Array ( [id] => 9632234 [patent_doc_number] => 20140210342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-31 [patent_title] => 'CONTROLLING METHOD AND SYSTEM BASED ON THE AUTOMOTIVE LIGHTING SYSTEM ILLUMINATION ANGLE SYNCHRONIZING WITH THE AUTOMOTIVE SPEED' [patent_app_type] => utility [patent_app_number] => 13/918138 [patent_app_country] => US [patent_app_date] => 2013-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5156 [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] => 13918138 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/918138
CONTROLLING METHOD AND SYSTEM BASED ON THE AUTOMOTIVE LIGHTING SYSTEM ILLUMINATION ANGLE SYNCHRONIZING WITH THE AUTOMOTIVE SPEED Jun 13, 2013 Abandoned
Array ( [id] => 9958775 [patent_doc_number] => 09006987 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-14 [patent_title] => 'Wall-mountable luminaire and associated systems and methods' [patent_app_type] => utility [patent_app_number] => 13/888564 [patent_app_country] => US [patent_app_date] => 2013-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 11141 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13888564 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/888564
Wall-mountable luminaire and associated systems and methods May 6, 2013 Issued
Array ( [id] => 9460809 [patent_doc_number] => 20140125235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-08 [patent_title] => 'CIRCUIT FOR DRIVING LEDS' [patent_app_type] => utility [patent_app_number] => 13/848448 [patent_app_country] => US [patent_app_date] => 2013-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5349 [patent_no_of_claims] => 12 [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] => 13848448 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/848448
Circuit for driving LEDs Mar 20, 2013 Issued
Array ( [id] => 9832510 [patent_doc_number] => 08941330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-27 [patent_title] => 'Light source operation' [patent_app_type] => utility [patent_app_number] => 13/848516 [patent_app_country] => US [patent_app_date] => 2013-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5542 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 13848516 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/848516
Light source operation Mar 20, 2013 Issued
Array ( [id] => 9832501 [patent_doc_number] => 08941320 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-27 [patent_title] => 'Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus' [patent_app_type] => utility [patent_app_number] => 13/844592 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 11107 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13844592 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/844592
Method of driving a light source, light source apparatus for performing the method and display apparatus having the light source apparatus Mar 14, 2013 Issued
Array ( [id] => 9828211 [patent_doc_number] => 08937440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-20 [patent_title] => 'Lighting device and voltage reduction method thereof' [patent_app_type] => utility [patent_app_number] => 13/844079 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8323 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13844079 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/844079
Lighting device and voltage reduction method thereof Mar 14, 2013 Issued
Array ( [id] => 9717358 [patent_doc_number] => 20140253056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'Power Supply with Adaptive-Controlled Output Voltage' [patent_app_type] => utility [patent_app_number] => 13/792457 [patent_app_country] => US [patent_app_date] => 2013-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4985 [patent_no_of_claims] => 22 [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] => 13792457 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/792457
Power supply with adaptive-controlled output voltage Mar 10, 2013 Issued
Array ( [id] => 13282937 [patent_doc_number] => 10153059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-11 [patent_title] => Charged particle acceleration device [patent_app_type] => utility [patent_app_number] => 14/379950 [patent_app_country] => US [patent_app_date] => 2013-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3682 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14379950 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/379950
Charged particle acceleration device Feb 24, 2013 Issued
Array ( [id] => 10614475 [patent_doc_number] => 09333903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-10 [patent_title] => 'Headlight apparatus and method of controlling the same' [patent_app_type] => utility [patent_app_number] => 13/740840 [patent_app_country] => US [patent_app_date] => 2013-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6588 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13740840 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/740840
Headlight apparatus and method of controlling the same Jan 13, 2013 Issued
Array ( [id] => 9220663 [patent_doc_number] => 20140015438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-16 [patent_title] => 'TUNABLE LIGHT SYSTEM AND ASSOCIATED METHODS' [patent_app_type] => utility [patent_app_number] => 13/737606 [patent_app_country] => US [patent_app_date] => 2013-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4316 [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] => 13737606 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/737606
TUNABLE LIGHT SYSTEM AND ASSOCIATED METHODS Jan 8, 2013 Abandoned
Array ( [id] => 9972161 [patent_doc_number] => 09019178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-28 [patent_title] => 'Pixel unit driving circuit, pixel unit and display device' [patent_app_type] => utility [patent_app_number] => 13/996138 [patent_app_country] => US [patent_app_date] => 2012-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4797 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13996138 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/996138
Pixel unit driving circuit, pixel unit and display device Dec 26, 2012 Issued
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