Search

Chan T. H. Nguyen

Examiner (ID: 10620, Phone: (571)272-3452 , Office: P/2664 )

Most Active Art Unit
2664
Art Unit(s)
2699, 2697, 2638, 2664
Total Applications
623
Issued Applications
515
Pending Applications
50
Abandoned Applications
73

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17260418 [patent_doc_number] => 20210373403 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => OPTICAL PATH CONTROL MEMBER AND DISPLAY DEVICE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/264084 [patent_app_country] => US [patent_app_date] => 2019-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6024 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17264084 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/264084
Optical path control member and display device comprising same Sep 2, 2019 Issued
Array ( [id] => 15552255 [patent_doc_number] => 20200060539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => APPARATUSES AND METHODS FOR DETERMINING TEAR FILM BREAK-UP TIME AND/OR FOR DETECTING LID MARGIN CONTACT AND BLINK RATES, PARTICULARLY FOR DIAGNOSING, MEASURING, AND/OR ANALYZING DRY EYE CONDITIONS AND SYMPTOMS [patent_app_type] => utility [patent_app_number] => 16/557276 [patent_app_country] => US [patent_app_date] => 2019-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 41951 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 400 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16557276 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/557276
Apparatuses and methods for determining tear film break-up time and/or for detecting lid margin contact and blink rates, particularly for diagnosing, measuring, and/or analyzing dry eye conditions and symptoms Aug 29, 2019 Issued
Array ( [id] => 16666815 [patent_doc_number] => 10936059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-02 [patent_title] => Systems and methods for gaze tracking [patent_app_type] => utility [patent_app_number] => 16/554487 [patent_app_country] => US [patent_app_date] => 2019-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 22180 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16554487 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/554487
Systems and methods for gaze tracking Aug 27, 2019 Issued
Array ( [id] => 15614961 [patent_doc_number] => 20200077885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => Subjective Wavefront Refraction Using Continuously Adjustable Wave Plates of Zernike Function [patent_app_type] => utility [patent_app_number] => 16/544886 [patent_app_country] => US [patent_app_date] => 2019-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16544886 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/544886
Subjective wavefront refraction using continuously adjustable wave plates of Zernike function Aug 18, 2019 Issued
Array ( [id] => 15213545 [patent_doc_number] => 20190369459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => ACOUSTO-OPTIC DEFLECTOR WITH MULTIPLE OUTPUT BEAMS [patent_app_type] => utility [patent_app_number] => 16/543691 [patent_app_country] => US [patent_app_date] => 2019-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16543691 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/543691
Acousto-optic deflector with multiple output beams Aug 18, 2019 Issued
Array ( [id] => 15530085 [patent_doc_number] => 20200057348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => PIEZO ELECTROPHORETIC DISPLAY [patent_app_type] => utility [patent_app_number] => 16/538899 [patent_app_country] => US [patent_app_date] => 2019-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6232 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16538899 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/538899
Piezo electrophoretic display Aug 12, 2019 Issued
Array ( [id] => 17542365 [patent_doc_number] => 11307482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Dynamic privacy using a system integrated louver film structure [patent_app_type] => utility [patent_app_number] => 16/537771 [patent_app_country] => US [patent_app_date] => 2019-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 7927 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16537771 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/537771
Dynamic privacy using a system integrated louver film structure Aug 11, 2019 Issued
Array ( [id] => 15827553 [patent_doc_number] => 20200129058 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => VISUAL FIELD EXAMINATION DEVICE AND DETECTION METHOD [patent_app_type] => utility [patent_app_number] => 16/535650 [patent_app_country] => US [patent_app_date] => 2019-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16535650 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/535650
VISUAL FIELD EXAMINATION DEVICE AND DETECTION METHOD Aug 7, 2019 Abandoned
Array ( [id] => 16611618 [patent_doc_number] => 20210030271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => Ophthalmic Gonioscopic Lens Device with Tilted Lenses [patent_app_type] => utility [patent_app_number] => 16/530959 [patent_app_country] => US [patent_app_date] => 2019-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4514 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16530959 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/530959
Ophthalmic Gonioscopic Lens Device with Tilted Lenses Aug 1, 2019 Abandoned
Array ( [id] => 18377569 [patent_doc_number] => 20230152656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => ELECTRONIC PAPER, DISPLAY DEVICE, AND DRIVING METHOD [patent_app_type] => utility [patent_app_number] => 16/956974 [patent_app_country] => US [patent_app_date] => 2019-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16956974 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/956974
Electronic paper, display device, and driving method Jul 30, 2019 Issued
Array ( [id] => 16291606 [patent_doc_number] => 10768450 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-09-08 [patent_title] => Mitigation of lens condensation using heat [patent_app_type] => utility [patent_app_number] => 16/523924 [patent_app_country] => US [patent_app_date] => 2019-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 15085 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16523924 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/523924
Mitigation of lens condensation using heat Jul 25, 2019 Issued
Array ( [id] => 17454377 [patent_doc_number] => 11269234 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Reflective display device [patent_app_type] => utility [patent_app_number] => 16/521584 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2951 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16521584 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/521584
Reflective display device Jul 23, 2019 Issued
Array ( [id] => 19854185 [patent_doc_number] => 12256992 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Ocular observation device [patent_app_type] => utility [patent_app_number] => 17/261687 [patent_app_country] => US [patent_app_date] => 2019-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2276 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17261687 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/261687
Ocular observation device Jul 15, 2019 Issued
Array ( [id] => 17908079 [patent_doc_number] => 11461936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Wearable image manipulation and control system with micro-displays and augmentation of vision and sensing in augmented reality glasses [patent_app_type] => utility [patent_app_number] => 16/511202 [patent_app_country] => US [patent_app_date] => 2019-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 48 [patent_no_of_words] => 31831 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16511202 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/511202
Wearable image manipulation and control system with micro-displays and augmentation of vision and sensing in augmented reality glasses Jul 14, 2019 Issued
Array ( [id] => 17050114 [patent_doc_number] => 20210259548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => ULTRASONIC TONOMETER [patent_app_type] => utility [patent_app_number] => 17/255036 [patent_app_country] => US [patent_app_date] => 2019-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17255036 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/255036
Ultrasonic tonometer Jul 1, 2019 Issued
Array ( [id] => 16744665 [patent_doc_number] => 10969646 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-06 [patent_title] => Controlling transitions in optically switchable devices [patent_app_type] => utility [patent_app_number] => 16/459142 [patent_app_country] => US [patent_app_date] => 2019-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 22965 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16459142 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/459142
Controlling transitions in optically switchable devices Jun 30, 2019 Issued
Array ( [id] => 17682056 [patent_doc_number] => 11366306 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-21 [patent_title] => Driving circuit and driving method thereof, and electrowetting panel and driving method thereof [patent_app_type] => utility [patent_app_number] => 16/458054 [patent_app_country] => US [patent_app_date] => 2019-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 13117 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16458054 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/458054
Driving circuit and driving method thereof, and electrowetting panel and driving method thereof Jun 28, 2019 Issued
Array ( [id] => 18780483 [patent_doc_number] => 11822203 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Display panel, control methods thereof, and display device [patent_app_type] => utility [patent_app_number] => 16/652385 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 10090 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16652385 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/652385
Display panel, control methods thereof, and display device Jun 24, 2019 Issued
Array ( [id] => 17150858 [patent_doc_number] => 11143930 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-12 [patent_title] => Driving methods for variable transmission electro-phoretic media [patent_app_type] => utility [patent_app_number] => 16/446845 [patent_app_country] => US [patent_app_date] => 2019-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4025 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16446845 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/446845
Driving methods for variable transmission electro-phoretic media Jun 19, 2019 Issued
Array ( [id] => 14965957 [patent_doc_number] => 20190310457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => Optical Phase Shifter [patent_app_type] => utility [patent_app_number] => 16/440202 [patent_app_country] => US [patent_app_date] => 2019-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16440202 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/440202
Optical phase shifter Jun 12, 2019 Issued
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