Search

Un C. Cho

Supervisory Patent Examiner (ID: 2269, Phone: (571)272-7919 , Office: P/2413 )

Most Active Art Unit
2617
Art Unit(s)
4115, 2687, 2682, 2413, 4133, 2617
Total Applications
395
Issued Applications
240
Pending Applications
26
Abandoned Applications
133

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16684126 [patent_doc_number] => 10943613 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-03-09 [patent_title] => Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic head [patent_app_type] => utility [patent_app_number] => 16/817705 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 11853 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [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] => 16817705 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817705
Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic head Mar 12, 2020 Issued
Array ( [id] => 16958851 [patent_doc_number] => 11062728 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-13 [patent_title] => Magnetic head having specific distance between magnetic pole, stacked body, and first shield, and magnetic recording device including same [patent_app_type] => utility [patent_app_number] => 16/817762 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 32 [patent_no_of_words] => 10171 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16817762 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817762
Magnetic head having specific distance between magnetic pole, stacked body, and first shield, and magnetic recording device including same Mar 12, 2020 Issued
Array ( [id] => 16699661 [patent_doc_number] => 10950267 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-03-16 [patent_title] => HAMR media to assist optically transparent build-up on NFT to improve reliability [patent_app_type] => utility [patent_app_number] => 16/805403 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4090 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16805403 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/805403
HAMR media to assist optically transparent build-up on NFT to improve reliability Feb 27, 2020 Issued
Array ( [id] => 16684127 [patent_doc_number] => 10943614 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-03-09 [patent_title] => Load/unload ramp mechanism for reduced cracking [patent_app_type] => utility [patent_app_number] => 16/794079 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4830 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16794079 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/794079
Load/unload ramp mechanism for reduced cracking Feb 17, 2020 Issued
Array ( [id] => 17105633 [patent_doc_number] => 11125840 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => Ultra-low RA and high TMR magnetic sensor with radiation reflective lead [patent_app_type] => utility [patent_app_number] => 16/794100 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 5673 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16794100 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/794100
Ultra-low RA and high TMR magnetic sensor with radiation reflective lead Feb 17, 2020 Issued
Array ( [id] => 16803042 [patent_doc_number] => 10997993 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-05-04 [patent_title] => Spin-torque oscillator with multilayer seed layer between the write pole and the free layer in a magnetic recording write head [patent_app_type] => utility [patent_app_number] => 16/792060 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5171 [patent_no_of_claims] => 10 [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] => 16792060 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/792060
Spin-torque oscillator with multilayer seed layer between the write pole and the free layer in a magnetic recording write head Feb 13, 2020 Issued
Array ( [id] => 16308419 [patent_doc_number] => 10777222 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-09-15 [patent_title] => Two-dimensional magnetic recording (TDMR) read head structure with different stacked sensors and disk drive incorporating the structure [patent_app_type] => utility [patent_app_number] => 16/792010 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4549 [patent_no_of_claims] => 14 [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] => 16792010 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/792010
Two-dimensional magnetic recording (TDMR) read head structure with different stacked sensors and disk drive incorporating the structure Feb 13, 2020 Issued
Array ( [id] => 16834936 [patent_doc_number] => 11011193 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-05-18 [patent_title] => Dual flux change layer (FCL) assisted magnetic recording [patent_app_type] => utility [patent_app_number] => 16/781631 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 7440 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 393 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16781631 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/781631
Dual flux change layer (FCL) assisted magnetic recording Feb 3, 2020 Issued
Array ( [id] => 16521400 [patent_doc_number] => 10872623 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-22 [patent_title] => Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield [patent_app_type] => utility [patent_app_number] => 16/781618 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 7659 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16781618 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/781618
Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield Feb 3, 2020 Issued
Array ( [id] => 16521400 [patent_doc_number] => 10872623 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-22 [patent_title] => Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield [patent_app_type] => utility [patent_app_number] => 16/781618 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 7659 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16781618 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/781618
Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield Feb 3, 2020 Issued
Array ( [id] => 16521400 [patent_doc_number] => 10872623 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-22 [patent_title] => Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield [patent_app_type] => utility [patent_app_number] => 16/781618 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 7659 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16781618 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/781618
Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield Feb 3, 2020 Issued
Array ( [id] => 16521400 [patent_doc_number] => 10872623 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-12-22 [patent_title] => Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield [patent_app_type] => utility [patent_app_number] => 16/781618 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 7659 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16781618 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/781618
Spin torque reversal assisted magnetic recording (STRAMR) device having a width substantially equal to that of a traililng shield Feb 3, 2020 Issued
Array ( [id] => 15939809 [patent_doc_number] => 20200161538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => EXCHANGE COUPLING FILM, MAGNETORESISTANCE EFFECT ELEMENT FILM USING THE EXCHANGE COUPLING FILM, AND MAGNETIC DETECTOR USING THE EXCHANGE COUPLING FILM [patent_app_type] => utility [patent_app_number] => 16/748473 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16748473 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/748473
Exchange coupling film, magnetoresistance effect element film using the exchange coupling film, and magnetic detector using the exchange coupling film Jan 20, 2020 Issued
Array ( [id] => 16896026 [patent_doc_number] => 11037587 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Tunnel magnetoresistive sensor having conductive ceramic layers [patent_app_type] => utility [patent_app_number] => 16/736617 [patent_app_country] => US [patent_app_date] => 2020-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 8775 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16736617 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/736617
Tunnel magnetoresistive sensor having conductive ceramic layers Jan 6, 2020 Issued
Array ( [id] => 16661001 [patent_doc_number] => 20210057638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => Bottom Leads Chemical Mechanical Planarization for TMR Magnetic Sensors [patent_app_type] => utility [patent_app_number] => 16/730771 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16730771 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/730771
Bottom leads chemical mechanical planarization for TMR magnetic sensors Dec 29, 2019 Issued
Array ( [id] => 16658724 [patent_doc_number] => 20210055361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => Magnetic Sensor Array With One TMR Stack Having Two Free Layers [patent_app_type] => utility [patent_app_number] => 16/730746 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4774 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16730746 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/730746
Magnetic sensor array with one TMR stack having two free layers Dec 29, 2019 Issued
Array ( [id] => 16674745 [patent_doc_number] => 20210063509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => Magnetic Sensor with Serial Resistor for Asymmetric Sensing Field Range [patent_app_type] => utility [patent_app_number] => 16/730784 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16730784 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/730784
Magnetic sensor with serial resistor for asymmetric sensing field range Dec 29, 2019 Issued
Array ( [id] => 16674742 [patent_doc_number] => 20210063506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => Magnetic Sensor Bias Point Adjustment Method [patent_app_type] => utility [patent_app_number] => 16/730726 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5496 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16730726 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/730726
Magnetic sensor bias point adjustment method Dec 29, 2019 Issued
Array ( [id] => 16674741 [patent_doc_number] => 20210063505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => Large Field Range TMR Sensor using Free Layer Exchange Pinning [patent_app_type] => utility [patent_app_number] => 16/729080 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16729080 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/729080
Large field range TMR sensor using free layer exchange pinning Dec 26, 2019 Issued
Array ( [id] => 16674736 [patent_doc_number] => 20210063500 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => TMR Sensor with Magnetic Tunnel Junctions with a Free Layer Having an Intrinsic Anisotropy [patent_app_type] => utility [patent_app_number] => 16/728514 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16728514 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/728514
TMR sensor with magnetic tunnel junctions with a free layer having an intrinsic anisotropy Dec 26, 2019 Issued
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