Search

Roy Y. Yi

Examiner (ID: 16305, Phone: (571)270-7804 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2896, 2852
Total Applications
1052
Issued Applications
985
Pending Applications
0
Abandoned Applications
78

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18106012 [patent_doc_number] => 11545918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-03 [patent_title] => Magnetically de-coupled, separately controlled, multiple electric machine assembly for driving a common shaft [patent_app_type] => utility [patent_app_number] => 17/411764 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 7435 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17411764 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/411764
Magnetically de-coupled, separately controlled, multiple electric machine assembly for driving a common shaft Aug 24, 2021 Issued
Array ( [id] => 18212003 [patent_doc_number] => 20230058267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => MOTOR CONTROLLER [patent_app_type] => utility [patent_app_number] => 17/409790 [patent_app_country] => US [patent_app_date] => 2021-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2760 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17409790 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/409790
Motor controller Aug 22, 2021 Issued
Array ( [id] => 18175533 [patent_doc_number] => 11575257 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Motor protecting circuit [patent_app_type] => utility [patent_app_number] => 17/406081 [patent_app_country] => US [patent_app_date] => 2021-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 7484 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17406081 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/406081
Motor protecting circuit Aug 18, 2021 Issued
Array ( [id] => 19079976 [patent_doc_number] => 11949361 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Variable speed drive for driving an electric motor and method for diagnosing the drive [patent_app_type] => utility [patent_app_number] => 17/398171 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4580 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17398171 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/398171
Variable speed drive for driving an electric motor and method for diagnosing the drive Aug 9, 2021 Issued
Array ( [id] => 18551651 [patent_doc_number] => 20230249656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => AUTOMOBILE ELECTRONIC PARKING EXECUTION CONTROLLER WITH DOUBLE-MCU REDUNDANCY DESIGN [patent_app_type] => utility [patent_app_number] => 18/012652 [patent_app_country] => US [patent_app_date] => 2021-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18012652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012652
Automobile electronic parking execution controller with double-MCU redundancy design Aug 4, 2021 Issued
Array ( [id] => 18632429 [patent_doc_number] => 20230291340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => MOTOR CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 18/040278 [patent_app_country] => US [patent_app_date] => 2021-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18040278 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040278
MOTOR CONTROL DEVICE Aug 1, 2021 Abandoned
Array ( [id] => 18713467 [patent_doc_number] => 20230336103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => MOTOR DRIVE DEVICE [patent_app_type] => utility [patent_app_number] => 18/043774 [patent_app_country] => US [patent_app_date] => 2021-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18043774 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043774
Motor drive device Jul 29, 2021 Issued
Array ( [id] => 18167773 [patent_doc_number] => 20230034381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => ELECTRONIC DEVICE MOTOR CONTROL BASED ON HINGE TORQUE [patent_app_type] => utility [patent_app_number] => 17/386694 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4496 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17386694 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/386694
ELECTRONIC DEVICE MOTOR CONTROL BASED ON HINGE TORQUE Jul 27, 2021 Abandoned
Array ( [id] => 17233073 [patent_doc_number] => 20210359630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => Method and Apparatus for Estimating Rotor Position of Motor, and Motor Control System [patent_app_type] => utility [patent_app_number] => 17/443443 [patent_app_country] => US [patent_app_date] => 2021-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20088 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17443443 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/443443
Method and apparatus for estimating rotor position of motor, and motor control system Jul 25, 2021 Issued
Array ( [id] => 17232963 [patent_doc_number] => 20210359520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => MICROGRID ELECTRIC POWER GENERATION SYSTEMS AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 17/385623 [patent_app_country] => US [patent_app_date] => 2021-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17385623 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/385623
Microgrid electric power generation systems and associated methods Jul 25, 2021 Issued
Array ( [id] => 18332255 [patent_doc_number] => 11637516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Field-oriented control (FOC) of multi-phase motors for prevention of thermal battery runaway [patent_app_type] => utility [patent_app_number] => 17/379450 [patent_app_country] => US [patent_app_date] => 2021-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3514 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17379450 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/379450
Field-oriented control (FOC) of multi-phase motors for prevention of thermal battery runaway Jul 18, 2021 Issued
Array ( [id] => 17343214 [patent_doc_number] => 20220009545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => METHOD FOR DETECTING ERROR IN REFERENCE SIGNAL OF ANALOG-TO-DIGITAL CONVERTER IN MOTOR DRIVEN POWER STEERING SYSTEM AND ELECTRONIC DEVICE THEREOF [patent_app_type] => utility [patent_app_number] => 17/367782 [patent_app_country] => US [patent_app_date] => 2021-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17367782 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/367782
Method for detecting error in reference signal of analog-to-digital converter in motor driven power steering system and electronic device thereof Jul 5, 2021 Issued
Array ( [id] => 17189690 [patent_doc_number] => 20210336575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => ELECTRIC POWER TOOL [patent_app_type] => utility [patent_app_number] => 17/366861 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17366861 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366861
Electric power tool Jul 1, 2021 Issued
Array ( [id] => 18113712 [patent_doc_number] => 20230006592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => CONTINUOUSLY VARIABLE SPEED CONTROLLER, ELECTRIC LIFT MECHANISM, AND ELECTRIC MASSAGING MECHANISM [patent_app_type] => utility [patent_app_number] => 17/366013 [patent_app_country] => US [patent_app_date] => 2021-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17366013 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366013
CONTINUOUSLY VARIABLE SPEED CONTROLLER, ELECTRIC LIFT MECHANISM, AND ELECTRIC MASSAGING MECHANISM Jun 30, 2021 Abandoned
Array ( [id] => 17159560 [patent_doc_number] => 20210320611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => CONTROL SYSTEMS FOR FOLDING PARTITIONS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 17/304808 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8061 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17304808 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/304808
Control systems for folding partitions and related methods Jun 24, 2021 Issued
Array ( [id] => 19639763 [patent_doc_number] => 12170381 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Motor control for gas engine replacement device [patent_app_type] => utility [patent_app_number] => 17/346660 [patent_app_country] => US [patent_app_date] => 2021-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 8224 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17346660 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/346660
Motor control for gas engine replacement device Jun 13, 2021 Issued
Array ( [id] => 17095868 [patent_doc_number] => 20210283659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => ECCENTRIC VIBRATOR SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/338009 [patent_app_country] => US [patent_app_date] => 2021-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17338009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/338009
Eccentric vibrator systems and methods Jun 2, 2021 Issued
Array ( [id] => 17100809 [patent_doc_number] => 20210288600 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => DEVICE AND METHOD FOR MONITORING THE TORQUE OF A BRUSHLESS AC MOTOR [patent_app_type] => utility [patent_app_number] => 17/337174 [patent_app_country] => US [patent_app_date] => 2021-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2169 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17337174 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/337174
Device and method for monitoring the torque of a brushless AC motor Jun 1, 2021 Issued
Array ( [id] => 20413406 [patent_doc_number] => 12496671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Control device for machine tool [patent_app_type] => utility [patent_app_number] => 18/557793 [patent_app_country] => US [patent_app_date] => 2021-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18557793 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/557793
Control device for machine tool May 25, 2021 Issued
Array ( [id] => 20064098 [patent_doc_number] => 20250202320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => Shielding power generation system consists of coil, control circuit, capacitor and battery [patent_app_type] => utility [patent_app_number] => 18/011492 [patent_app_country] => US [patent_app_date] => 2021-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18011492 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011492
Shielding power generation system consists of coil, control circuit, capacitor and battery May 21, 2021 Abandoned
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