Search

Wei Chan

Examiner (ID: 10212, Phone: (571)272-5177 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2845, 2844
Total Applications
808
Issued Applications
598
Pending Applications
81
Abandoned Applications
151

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15721315 [patent_doc_number] => 20200107425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => METHOD AND APPARATUS FOR DRIVING AN LED [patent_app_type] => utility [patent_app_number] => 16/620966 [patent_app_country] => US [patent_app_date] => 2018-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16620966 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/620966
Method and apparatus for driving an LED Jun 4, 2018 Issued
Array ( [id] => 15704671 [patent_doc_number] => 10608527 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-31 [patent_title] => Power supply apparatus [patent_app_type] => utility [patent_app_number] => 15/995151 [patent_app_country] => US [patent_app_date] => 2018-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 4231 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15995151 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/995151
Power supply apparatus May 31, 2018 Issued
Array ( [id] => 16983416 [patent_doc_number] => 20210227653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => DISCHARGE LAMP LIGHTING CONTROL APPARATUS AND LAMP CURRENT SUPPLY METHOD [patent_app_type] => utility [patent_app_number] => 16/309493 [patent_app_country] => US [patent_app_date] => 2018-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5444 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16309493 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/309493
Discharge lamp lighting control apparatus and lamp current supply method May 30, 2018 Issued
Array ( [id] => 14958975 [patent_doc_number] => 10440786 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-10-08 [patent_title] => Control circuit and techniques for controlling a LED array [patent_app_type] => utility [patent_app_number] => 15/981627 [patent_app_country] => US [patent_app_date] => 2018-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 14120 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15981627 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/981627
Control circuit and techniques for controlling a LED array May 15, 2018 Issued
Array ( [id] => 13573633 [patent_doc_number] => 20180338365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => LIGHT EMITTING ELEMENT, DRIVING MODULE FOR LIGHT EMITTING ELEMENT [patent_app_type] => utility [patent_app_number] => 15/981860 [patent_app_country] => US [patent_app_date] => 2018-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6413 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15981860 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/981860
LIGHT EMITTING ELEMENT, DRIVING MODULE FOR LIGHT EMITTING ELEMENT May 15, 2018 Abandoned
Array ( [id] => 15157703 [patent_doc_number] => 20190357329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => LED LAMP WITH SELECTABLE COLOR TEMPERATURE OUTPUT [patent_app_type] => utility [patent_app_number] => 15/981604 [patent_app_country] => US [patent_app_date] => 2018-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15981604 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/981604
LED lamp with selectable color temperature output May 15, 2018 Issued
Array ( [id] => 17147074 [patent_doc_number] => 20210315088 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => UNDERWATER PLASMA GENERATING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/054158 [patent_app_country] => US [patent_app_date] => 2018-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12466 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17054158 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/054158
Underwater plasma generating apparatus May 15, 2018 Issued
Array ( [id] => 16327783 [patent_doc_number] => 20200298748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => U-TURN INDICATOR REAR LAMP AND AUTONOMOUS DRIVING METHOD USING SAME [patent_app_type] => utility [patent_app_number] => 16/759288 [patent_app_country] => US [patent_app_date] => 2018-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5536 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16759288 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/759288
U-turn indicator rear lamp and autonomous driving method using same May 15, 2018 Issued
Array ( [id] => 14831549 [patent_doc_number] => 10412805 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-09-10 [patent_title] => Control method and apparatus for extending runtime on a portable lighting device [patent_app_type] => utility [patent_app_number] => 15/981130 [patent_app_country] => US [patent_app_date] => 2018-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3604 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15981130 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/981130
Control method and apparatus for extending runtime on a portable lighting device May 15, 2018 Issued
Array ( [id] => 16260749 [patent_doc_number] => 10752164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Vehicular lamp [patent_app_type] => utility [patent_app_number] => 15/970984 [patent_app_country] => US [patent_app_date] => 2018-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 7503 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [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] => 15970984 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/970984
Vehicular lamp May 3, 2018 Issued
Array ( [id] => 13408173 [patent_doc_number] => 20180255629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => METHODS AND SYSTEMS FOR CONTROLLING AN ELECTRICAL LOAD [patent_app_type] => utility [patent_app_number] => 15/969255 [patent_app_country] => US [patent_app_date] => 2018-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15969255 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/969255
Methods and systems for controlling an electrical load May 1, 2018 Issued
Array ( [id] => 13393875 [patent_doc_number] => 20180248480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-30 [patent_title] => System and Method for a Switched-Mode Power Supply [patent_app_type] => utility [patent_app_number] => 15/964505 [patent_app_country] => US [patent_app_date] => 2018-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6498 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15964505 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/964505
System and method for a switched-mode power supply Apr 26, 2018 Issued
Array ( [id] => 13345121 [patent_doc_number] => 20180224100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => Follow Spot Control System [patent_app_type] => utility [patent_app_number] => 15/944498 [patent_app_country] => US [patent_app_date] => 2018-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15944498 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/944498
Follow Spot Control System Apr 2, 2018 Abandoned
Array ( [id] => 13345119 [patent_doc_number] => 20180224099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => Follow Spot Control System [patent_app_type] => utility [patent_app_number] => 15/944487 [patent_app_country] => US [patent_app_date] => 2018-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5140 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15944487 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/944487
Follow spot control system Apr 2, 2018 Issued
Array ( [id] => 13438769 [patent_doc_number] => 20180270927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => DEVICE AND METHOD FOR CONTROLLING LIGHT SOURCES OF A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 15/921905 [patent_app_country] => US [patent_app_date] => 2018-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15921905 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/921905
DEVICE AND METHOD FOR CONTROLLING LIGHT SOURCES OF A MOTOR VEHICLE Mar 14, 2018 Abandoned
Array ( [id] => 13438763 [patent_doc_number] => 20180270924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => LIGHTING SYSTEM, RELATED ELECTRONIC CONVERTER AND METHOD OF DESIGNING A LIGHTING SYSTEM [patent_app_type] => utility [patent_app_number] => 15/921785 [patent_app_country] => US [patent_app_date] => 2018-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5437 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15921785 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/921785
Lighting system, related electronic converter and method of designing a lighting system Mar 14, 2018 Issued
Array ( [id] => 13584365 [patent_doc_number] => 20180343731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => PLASMA SOURCE [patent_app_type] => utility [patent_app_number] => 15/921749 [patent_app_country] => US [patent_app_date] => 2018-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4718 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15921749 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/921749
Plasma source Mar 14, 2018 Issued
Array ( [id] => 17109016 [patent_doc_number] => 11129254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => Driver with charge pump circuit [patent_app_type] => utility [patent_app_number] => 16/491598 [patent_app_country] => US [patent_app_date] => 2018-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2691 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16491598 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/491598
Driver with charge pump circuit Mar 14, 2018 Issued
Array ( [id] => 14619867 [patent_doc_number] => 10362651 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-23 [patent_title] => Micro lighting device [patent_app_type] => utility [patent_app_number] => 15/922884 [patent_app_country] => US [patent_app_date] => 2018-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 2312 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15922884 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/922884
Micro lighting device Mar 14, 2018 Issued
Array ( [id] => 14878903 [patent_doc_number] => 20190289693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-19 [patent_title] => AUTOMATIC HANDLING OF LAMP LOAD ON DO CHANNEL [patent_app_type] => utility [patent_app_number] => 15/921562 [patent_app_country] => US [patent_app_date] => 2018-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5864 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15921562 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/921562
AUTOMATIC HANDLING OF LAMP LOAD ON DO CHANNEL Mar 13, 2018 Abandoned
Menu