
Kawing Chan
Examiner (ID: 4339, Phone: (571)270-3909 , Office: P/2837 )
| Most Active Art Unit | 2837 |
| Art Unit(s) | 2846, 2837, 4147 |
| Total Applications | 954 |
| Issued Applications | 690 |
| Pending Applications | 56 |
| Abandoned Applications | 235 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 13806115
[patent_doc_number] => 10180320
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-01-15
[patent_title] => Low cost position sensor and mobility device using the same
[patent_app_type] => utility
[patent_app_number] => 15/612754
[patent_app_country] => US
[patent_app_date] => 2017-06-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2433
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 2
[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] => 15612754
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/612754 | Low cost position sensor and mobility device using the same | Jun 1, 2017 | Issued |
Array
(
[id] => 13189231
[patent_doc_number] => 10110154
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-10-23
[patent_title] => Controller and a method to drive an inverter circuit for a permanent-magnet synchronous motor
[patent_app_type] => utility
[patent_app_number] => 15/609824
[patent_app_country] => US
[patent_app_date] => 2017-05-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4164
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 227
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15609824
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/609824 | Controller and a method to drive an inverter circuit for a permanent-magnet synchronous motor | May 30, 2017 | Issued |
Array
(
[id] => 12988711
[patent_doc_number] => 20170345288
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-11-30
[patent_title] => MOTOR CONTROL DEVICE AND MOTOR CONTROL METHOD
[patent_app_type] => utility
[patent_app_number] => 15/607770
[patent_app_country] => US
[patent_app_date] => 2017-05-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8994
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[patent_words_short_claim] => 106
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15607770
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/607770 | Motor control device and motor control method | May 29, 2017 | Issued |
Array
(
[id] => 12295503
[patent_doc_number] => 09935522
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-04-03
[patent_title] => Motor device
[patent_app_type] => utility
[patent_app_number] => 15/608259
[patent_app_country] => US
[patent_app_date] => 2017-05-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 11016
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 518
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15608259
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/608259 | Motor device | May 29, 2017 | Issued |
Array
(
[id] => 12712183
[patent_doc_number] => 20180129227
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-05-10
[patent_title] => METHOD FOR ADAPTIVELY DRIVING A STEPPER MOTOR, AND CORRESPONDING DEVICE
[patent_app_type] => utility
[patent_app_number] => 15/608596
[patent_app_country] => US
[patent_app_date] => 2017-05-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5914
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -28
[patent_words_short_claim] => 155
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15608596
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/608596 | Method for adaptively driving a stepper motor, and corresponding device | May 29, 2017 | Issued |
Array
(
[id] => 12336474
[patent_doc_number] => 09948160
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-04-17
[patent_title] => Motor device
[patent_app_type] => utility
[patent_app_number] => 15/608381
[patent_app_country] => US
[patent_app_date] => 2017-05-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 12
[patent_no_of_words] => 12172
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 375
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15608381
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/608381 | Motor device | May 29, 2017 | Issued |
Array
(
[id] => 12919636
[patent_doc_number] => 20180198388
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-07-12
[patent_title] => HIGH EFFICIENCY ACTUATOR FOR USE IN A MOMENTUM CONTROL DEVICE
[patent_app_type] => utility
[patent_app_number] => 15/608602
[patent_app_country] => US
[patent_app_date] => 2017-05-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4763
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 156
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15608602
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/608602 | HIGH EFFICIENCY ACTUATOR FOR USE IN A MOMENTUM CONTROL DEVICE | May 29, 2017 | Abandoned |
Array
(
[id] => 12096040
[patent_doc_number] => 20170353133
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-12-07
[patent_title] => 'DEVICE AND METHOD FOR SENSING A ROTATIONAL POSITION OF A ROTATABLE ELEMENT, CONTROLLER, SENSOR SYSTEM FOR DETECTING A ROTATIONAL POSITION OF A ROTATABLE ELEMENT, AND HOUSEHOLD APPLIANCE'
[patent_app_type] => utility
[patent_app_number] => 15/607538
[patent_app_country] => US
[patent_app_date] => 2017-05-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 8678
[patent_no_of_claims] => 17
[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] => 15607538
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/607538 | DEVICE AND METHOD FOR SENSING A ROTATIONAL POSITION OF A ROTATABLE ELEMENT, CONTROLLER, SENSOR SYSTEM FOR DETECTING A ROTATIONAL POSITION OF A ROTATABLE ELEMENT, AND HOUSEHOLD APPLIANCE | May 28, 2017 | Abandoned |
Array
(
[id] => 12898306
[patent_doc_number] => 20180191277
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-07-05
[patent_title] => BRUSHLESS SERVO
[patent_app_type] => utility
[patent_app_number] => 15/607477
[patent_app_country] => US
[patent_app_date] => 2017-05-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1617
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 102
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15607477
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/607477 | Brushless servo | May 26, 2017 | Issued |
Array
(
[id] => 12991903
[patent_doc_number] => 20170346421
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-11-30
[patent_title] => Motor Driving Circuit, Motor Driving Method, and Motor Utilizing the Same
[patent_app_type] => utility
[patent_app_number] => 15/606545
[patent_app_country] => US
[patent_app_date] => 2017-05-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10363
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15606545
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/606545 | Motor driving circuit, motor driving method, and motor utilizing the same | May 25, 2017 | Issued |
Array
(
[id] => 12991936
[patent_doc_number] => 20170346433
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-11-30
[patent_title] => SYSTEMS AND METHODS OF OPTIMIZING OPERATION EFFICIENCY OF A MOTOR DRIVE
[patent_app_type] => utility
[patent_app_number] => 15/605161
[patent_app_country] => US
[patent_app_date] => 2017-05-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8847
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 15605161
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/605161 | Systems and methods of optimizing operation efficiency of a motor drive | May 24, 2017 | Issued |
Array
(
[id] => 12517470
[patent_doc_number] => 10003294
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-06-19
[patent_title] => Control apparatus of rotary electric machine and electric power steering apparatus using the same
[patent_app_type] => utility
[patent_app_number] => 15/605718
[patent_app_country] => US
[patent_app_date] => 2017-05-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 19
[patent_no_of_words] => 13641
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 252
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15605718
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/605718 | Control apparatus of rotary electric machine and electric power steering apparatus using the same | May 24, 2017 | Issued |
Array
(
[id] => 12377478
[patent_doc_number] => 09960726
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2018-05-01
[patent_title] => Electric drive power converter with low distortion dead-time insertion
[patent_app_type] => utility
[patent_app_number] => 15/605044
[patent_app_country] => US
[patent_app_date] => 2017-05-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 8
[patent_no_of_words] => 4333
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 76
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15605044
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/605044 | Electric drive power converter with low distortion dead-time insertion | May 24, 2017 | Issued |
Array
(
[id] => 16925098
[patent_doc_number] => 11046559
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-06-29
[patent_title] => Lifting device and method for operating a lifting device
[patent_app_type] => utility
[patent_app_number] => 16/302705
[patent_app_country] => US
[patent_app_date] => 2017-05-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 6253
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 188
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16302705
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/302705 | Lifting device and method for operating a lifting device | May 15, 2017 | Issued |
Array
(
[id] => 13206729
[patent_doc_number] => 10117714
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-11-06
[patent_title] => Software center and highly configurable robotic systems for surgery and other uses
[patent_app_type] => utility
[patent_app_number] => 15/488173
[patent_app_country] => US
[patent_app_date] => 2017-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 27
[patent_figures_cnt] => 48
[patent_no_of_words] => 23771
[patent_no_of_claims] => 31
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 223
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15488173
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/488173 | Software center and highly configurable robotic systems for surgery and other uses | Apr 13, 2017 | Issued |
Array
(
[id] => 13884933
[patent_doc_number] => 10194998
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-02-05
[patent_title] => Software center and highly configurable robotic systems for surgery and other uses
[patent_app_type] => utility
[patent_app_number] => 15/488219
[patent_app_country] => US
[patent_app_date] => 2017-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 27
[patent_figures_cnt] => 48
[patent_no_of_words] => 23801
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 172
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15488219
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/488219 | Software center and highly configurable robotic systems for surgery and other uses | Apr 13, 2017 | Issued |
Array
(
[id] => 13220169
[patent_doc_number] => 10123844
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-11-13
[patent_title] => Software center and highly configurable robotic systems for surgery and other uses
[patent_app_type] => utility
[patent_app_number] => 15/488227
[patent_app_country] => US
[patent_app_date] => 2017-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 27
[patent_figures_cnt] => 48
[patent_no_of_words] => 23775
[patent_no_of_claims] => 29
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 115
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15488227
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/488227 | Software center and highly configurable robotic systems for surgery and other uses | Apr 13, 2017 | Issued |
Array
(
[id] => 14673205
[patent_doc_number] => 10374529
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-08-06
[patent_title] => Electric drive system and energy management method
[patent_app_type] => utility
[patent_app_number] => 15/453218
[patent_app_country] => US
[patent_app_date] => 2017-03-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 7467
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 156
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15453218
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/453218 | Electric drive system and energy management method | Mar 7, 2017 | Issued |
Array
(
[id] => 11967860
[patent_doc_number] => 20170272013
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-09-21
[patent_title] => 'MOTOR CONTROLLER'
[patent_app_type] => utility
[patent_app_number] => 15/444504
[patent_app_country] => US
[patent_app_date] => 2017-02-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2535
[patent_no_of_claims] => 5
[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] => 15444504
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/444504 | Motor controller | Feb 27, 2017 | Issued |
Array
(
[id] => 11946492
[patent_doc_number] => 20170250643
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-08-31
[patent_title] => 'MOTOR CONTROL DEVICE INCLUDING TORQUE COMMAND LIMIT UNIT'
[patent_app_type] => utility
[patent_app_number] => 15/443116
[patent_app_country] => US
[patent_app_date] => 2017-02-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 5717
[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] => 15443116
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/443116 | Motor control device including torque command limit unit | Feb 26, 2017 | Issued |