Search

Duc M. Pham

Examiner (ID: 19107, Phone: (571)272-5026 , Office: P/2836 )

Most Active Art Unit
2836
Art Unit(s)
2849, 2836
Total Applications
908
Issued Applications
788
Pending Applications
62
Abandoned Applications
83

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18591596 [patent_doc_number] => 11740489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Optical filter with color enhancement [patent_app_type] => utility [patent_app_number] => 16/601522 [patent_app_country] => US [patent_app_date] => 2019-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 18731 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16601522 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/601522
Optical filter with color enhancement Oct 13, 2019 Issued
Array ( [id] => 17186798 [patent_doc_number] => 20210333683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => SYSTEM AND METHOD FOR COMPRESSING SHORT OR ULTRA-SHORT LIGHT PULSES, AND ASSOCIATED LIGHT-PULSED LASER SYSTEM [patent_app_type] => utility [patent_app_number] => 17/284397 [patent_app_country] => US [patent_app_date] => 2019-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17284397 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/284397
System and method for compressing short or ultra-short light pulses, and associated light-pulsed laser system Oct 8, 2019 Issued
Array ( [id] => 15835643 [patent_doc_number] => 20200133104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => HINGED FILTER ATTACHMENT FOR A PHOTOGRAPHIC LENS [patent_app_type] => utility [patent_app_number] => 16/576318 [patent_app_country] => US [patent_app_date] => 2019-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16576318 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/576318
HINGED FILTER ATTACHMENT FOR A PHOTOGRAPHIC LENS Sep 18, 2019 Abandoned
Array ( [id] => 17557370 [patent_doc_number] => 11314068 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-26 [patent_title] => Illumination apparatus for a microscope, method for operating it, and microscope having an illumination apparatus [patent_app_type] => utility [patent_app_number] => 16/574437 [patent_app_country] => US [patent_app_date] => 2019-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 5673 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16574437 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/574437
Illumination apparatus for a microscope, method for operating it, and microscope having an illumination apparatus Sep 17, 2019 Issued
Array ( [id] => 16713613 [patent_doc_number] => 20210080760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => SYSTEM AND METHOD FOR REDUCING BEAM DISTORTION [patent_app_type] => utility [patent_app_number] => 16/569455 [patent_app_country] => US [patent_app_date] => 2019-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11807 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16569455 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/569455
SYSTEM AND METHOD FOR REDUCING BEAM DISTORTION Sep 11, 2019 Abandoned
Array ( [id] => 19506215 [patent_doc_number] => 12117632 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Laminate film [patent_app_type] => utility [patent_app_number] => 17/273486 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 25158 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 353 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17273486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273486
Laminate film Sep 3, 2019 Issued
Array ( [id] => 19580979 [patent_doc_number] => 12147088 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Camera lens group [patent_app_type] => utility [patent_app_number] => 17/419310 [patent_app_country] => US [patent_app_date] => 2019-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 10679 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17419310 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/419310
Camera lens group Sep 2, 2019 Issued
Array ( [id] => 18505888 [patent_doc_number] => 11703698 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-18 [patent_title] => Adjustable lens systems [patent_app_type] => utility [patent_app_number] => 16/554136 [patent_app_country] => US [patent_app_date] => 2019-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 9680 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16554136 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/554136
Adjustable lens systems Aug 27, 2019 Issued
Array ( [id] => 17157663 [patent_doc_number] => 20210318714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => Optical Signal Processing Device [patent_app_type] => utility [patent_app_number] => 17/268187 [patent_app_country] => US [patent_app_date] => 2019-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17268187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/268187
Optical Signal Processing Device Aug 13, 2019 Abandoned
Array ( [id] => 15181261 [patent_doc_number] => 20190361222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => Mobile Optimized Vision System [patent_app_type] => utility [patent_app_number] => 16/535955 [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] => 7602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16535955 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/535955
Mobile Optimized Vision System Aug 7, 2019 Abandoned
Array ( [id] => 18370269 [patent_doc_number] => 11650438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-16 [patent_title] => Superlattice electro-optic device including reconfigurable optical elements [patent_app_type] => utility [patent_app_number] => 16/529978 [patent_app_country] => US [patent_app_date] => 2019-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 8605 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [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] => 16529978 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/529978
Superlattice electro-optic device including reconfigurable optical elements Aug 1, 2019 Issued
Array ( [id] => 17927804 [patent_doc_number] => 20220322929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => PREFERENTIAL VISUAL ACUITY TEST CABIN [patent_app_type] => utility [patent_app_number] => 17/618777 [patent_app_country] => US [patent_app_date] => 2019-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17618777 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/618777
PREFERENTIAL VISUAL ACUITY TEST CABIN Jul 28, 2019 Pending
Array ( [id] => 15120111 [patent_doc_number] => 20190346688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => CAMERA SYSTEM AND LENS UNIT THEREOF [patent_app_type] => utility [patent_app_number] => 16/518556 [patent_app_country] => US [patent_app_date] => 2019-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16518556 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/518556
Camera system and lens unit thereof Jul 21, 2019 Issued
Array ( [id] => 19092315 [patent_doc_number] => 11953764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Tunable lenses with enhanced performance features [patent_app_type] => utility [patent_app_number] => 17/255452 [patent_app_country] => US [patent_app_date] => 2019-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 7556 [patent_no_of_claims] => 32 [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] => 17255452 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/255452
Tunable lenses with enhanced performance features Jul 21, 2019 Issued
Array ( [id] => 15366349 [patent_doc_number] => 20200018939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => SYSTEM AND METHOD FOR GENERATING WHITE LIGHT FOR PROJECTORS [patent_app_type] => utility [patent_app_number] => 16/510367 [patent_app_country] => US [patent_app_date] => 2019-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7957 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 370 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16510367 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/510367
System and method for generating white light for projectors Jul 11, 2019 Issued
Array ( [id] => 18028570 [patent_doc_number] => 11511740 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Movable carrier auxiliary system [patent_app_type] => utility [patent_app_number] => 16/507539 [patent_app_country] => US [patent_app_date] => 2019-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 26 [patent_no_of_words] => 26285 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16507539 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/507539
Movable carrier auxiliary system Jul 9, 2019 Issued
Array ( [id] => 17157422 [patent_doc_number] => 20210318473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => Method and Device for Manufacturing Concave Diffraction Grating, and Concave Diffraction Grating [patent_app_type] => utility [patent_app_number] => 17/259658 [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] => 4834 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17259658 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/259658
Method and Device for Manufacturing Concave Diffraction Grating, and Concave Diffraction Grating Jul 1, 2019 Abandoned
Array ( [id] => 16993418 [patent_doc_number] => 20210231838 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => METHOD OF BONDING, LENS, OPTICAL ASSEMBLY, CAMERA DEVICE AND MOVING BODY [patent_app_type] => utility [patent_app_number] => 17/263546 [patent_app_country] => US [patent_app_date] => 2019-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17263546 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/263546
METHOD OF BONDING, LENS, OPTICAL ASSEMBLY, CAMERA DEVICE AND MOVING BODY Jun 30, 2019 Abandoned
Array ( [id] => 15366545 [patent_doc_number] => 20200019037 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => MAPPING OPTICS FOR LIQUID CRYSTAL BEAMSTEERER [patent_app_type] => utility [patent_app_number] => 16/449083 [patent_app_country] => US [patent_app_date] => 2019-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5570 [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] => 16449083 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/449083
MAPPING OPTICS FOR LIQUID CRYSTAL BEAMSTEERER Jun 20, 2019 Abandoned
Array ( [id] => 16871775 [patent_doc_number] => 20210165242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => INFORMATION DISPLAY DEVICE AND INFORMATION DISPLAY SYSTEM [patent_app_type] => utility [patent_app_number] => 17/255292 [patent_app_country] => US [patent_app_date] => 2019-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17255292 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/255292
INFORMATION DISPLAY DEVICE AND INFORMATION DISPLAY SYSTEM Jun 20, 2019 Abandoned
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