Search

Kawing Chan

Examiner (ID: 12955, Phone: (571)270-3909 , Office: P/2837 )

Most Active Art Unit
2837
Art Unit(s)
2846, 4147, 2837
Total Applications
953
Issued Applications
688
Pending Applications
60
Abandoned Applications
235

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15581941 [patent_doc_number] => 10581368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-03 [patent_title] => Surge suppression circuit and inverter drive motor system [patent_app_type] => utility [patent_app_number] => 16/043516 [patent_app_country] => US [patent_app_date] => 2018-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 7314 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16043516 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/043516
Surge suppression circuit and inverter drive motor system Jul 23, 2018 Issued
Array ( [id] => 13550621 [patent_doc_number] => 20180326858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => Energy Storage Arrangement Comprising Multiple Energy Stores [patent_app_type] => utility [patent_app_number] => 16/040619 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16040619 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/040619
Energy storage arrangement comprising multiple energy stores Jul 19, 2018 Issued
Array ( [id] => 15377301 [patent_doc_number] => 10530383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 16/031872 [patent_app_country] => US [patent_app_date] => 2018-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 25 [patent_no_of_words] => 9621 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16031872 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/031872
Semiconductor device Jul 9, 2018 Issued
Array ( [id] => 13477507 [patent_doc_number] => 20180290296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => MANIPULATOR SYSTEM, CONTROLLER AND COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 16/007042 [patent_app_country] => US [patent_app_date] => 2018-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16007042 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/007042
MANIPULATOR SYSTEM, CONTROLLER AND COMPUTER-READABLE STORAGE MEDIUM Jun 12, 2018 Abandoned
Array ( [id] => 13480745 [patent_doc_number] => 20180291915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => EXTERNALLY PROGRAMMABLE FAN [patent_app_type] => utility [patent_app_number] => 15/983975 [patent_app_country] => US [patent_app_date] => 2018-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 15983975 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/983975
Externally programmable fan May 17, 2018 Issued
Array ( [id] => 15879949 [patent_doc_number] => 10646296 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-12 [patent_title] => Medical manipulator system, controller, and computer-readable storage device [patent_app_type] => utility [patent_app_number] => 15/976099 [patent_app_country] => US [patent_app_date] => 2018-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7506 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15976099 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/976099
Medical manipulator system, controller, and computer-readable storage device May 9, 2018 Issued
Array ( [id] => 13379595 [patent_doc_number] => 20180241339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-23 [patent_title] => MOTOR CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 15/959903 [patent_app_country] => US [patent_app_date] => 2018-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15959903 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/959903
Motor control apparatus Apr 22, 2018 Issued
Array ( [id] => 13554843 [patent_doc_number] => 20180328969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => METHOD FOR IDENTIFYING THE ELECTRICAL RESISTANCE OF THE ROTOR OF AN ELECTRIC MOTOR [patent_app_type] => utility [patent_app_number] => 15/958031 [patent_app_country] => US [patent_app_date] => 2018-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15958031 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/958031
Method for identifying the electrical resistance of the rotor of an electric motor Apr 19, 2018 Issued
Array ( [id] => 13421187 [patent_doc_number] => 20180262136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => MOTOR DRIVE CONTROLLER, CONTROL METHOD FOR MOTOR DRIVE CONTROLLER, CONTROL PROGRAM FOR MOTOR DRIVE CONTROLLER, AND METHOD FOR DETERMINING NUMBER OF DIVISIONS OF BASIC STEP ANGLE [patent_app_type] => utility [patent_app_number] => 15/912712 [patent_app_country] => US [patent_app_date] => 2018-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4480 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15912712 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/912712
Motor drive controller, control method for motor drive controller, control program for motor drive controller, and method for determining number of divisions of basic step angle Mar 5, 2018 Issued
Array ( [id] => 14823731 [patent_doc_number] => 10408868 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Motor drive control device and method for determining controlled frequency for motor [patent_app_type] => utility [patent_app_number] => 15/912876 [patent_app_country] => US [patent_app_date] => 2018-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5295 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15912876 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/912876
Motor drive control device and method for determining controlled frequency for motor Mar 5, 2018 Issued
Array ( [id] => 16027123 [patent_doc_number] => 10675963 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Control device for transport vehicle [patent_app_type] => utility [patent_app_number] => 15/912721 [patent_app_country] => US [patent_app_date] => 2018-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 10191 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15912721 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/912721
Control device for transport vehicle Mar 5, 2018 Issued
Array ( [id] => 14813639 [patent_doc_number] => 20190273429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => FILTER SYSTEMS FOR REDUCING BEARING CURRENT IN HIGH-FREQUENCY MOTOR CONTROL SYSTEMS [patent_app_type] => utility [patent_app_number] => 15/911835 [patent_app_country] => US [patent_app_date] => 2018-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4211 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15911835 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/911835
Filter systems for reducing bearing current in high-frequency motor control systems Mar 4, 2018 Issued
Array ( [id] => 14807555 [patent_doc_number] => 20190270387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => VEHICLE ON-BOARD MULTI-PHASE POWER GENERATION [patent_app_type] => utility [patent_app_number] => 15/912013 [patent_app_country] => US [patent_app_date] => 2018-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6168 [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] => 15912013 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/912013
VEHICLE ON-BOARD MULTI-PHASE POWER GENERATION Mar 4, 2018 Abandoned
Array ( [id] => 13515619 [patent_doc_number] => 20180309352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => DC MOTOR WITH MULTIPLIED TORQUE [patent_app_type] => utility [patent_app_number] => 15/911410 [patent_app_country] => US [patent_app_date] => 2018-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5860 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 483 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15911410 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/911410
DC MOTOR WITH MULTIPLIED TORQUE Mar 4, 2018 Abandoned
Array ( [id] => 13406377 [patent_doc_number] => 20180254731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => MOTOR INVERTER [patent_app_type] => utility [patent_app_number] => 15/911257 [patent_app_country] => US [patent_app_date] => 2018-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4837 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15911257 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/911257
Motor inverter Mar 4, 2018 Issued
Array ( [id] => 14802375 [patent_doc_number] => 10404201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-03 [patent_title] => Rotary electric machine controller and electric power steering device using the same [patent_app_type] => utility [patent_app_number] => 15/910292 [patent_app_country] => US [patent_app_date] => 2018-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 8121 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15910292 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/910292
Rotary electric machine controller and electric power steering device using the same Mar 1, 2018 Issued
Array ( [id] => 14810703 [patent_doc_number] => 20190271961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-05 [patent_title] => METHODS AND APPARATUS FOR AN ENCODER [patent_app_type] => utility [patent_app_number] => 15/908931 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7286 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15908931 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908931
Methods and apparatus for an encoder Feb 28, 2018 Issued
Array ( [id] => 13436523 [patent_doc_number] => 20180269804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => MOTOR DRIVE APPARATUS WITH FUNCTION TO DETECT ABNORMALITY IN POWER DEVICE [patent_app_type] => utility [patent_app_number] => 15/908860 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15908860 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908860
Motor drive apparatus with function to detect abnormality in power device Feb 28, 2018 Issued
Array ( [id] => 13997863 [patent_doc_number] => 20190068089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => MOTOR DRIVE CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 15/908824 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15908824 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908824
MOTOR DRIVE CONTROL DEVICE Feb 28, 2018 Abandoned
Array ( [id] => 15581911 [patent_doc_number] => 10581353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-03 [patent_title] => Motor drive control device and motor drive control method [patent_app_type] => utility [patent_app_number] => 15/908821 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4774 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15908821 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908821
Motor drive control device and motor drive control method Feb 28, 2018 Issued
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