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] => 16423299 [patent_doc_number] => 20200348497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => VARIABLE MAGNIFICATION OPTICAL SYSTEM, OPTICAL DEVICE, AND METHOD FOR PRODUCING VARIABLE MAGNIFICATION OPTICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 16/935189 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28978 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16935189 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/935189
Variable magnification optical system, optical device, and method for producing variable magnification optical system Jul 21, 2020 Issued
Array ( [id] => 18180196 [patent_doc_number] => 20230040925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => REFLECTIVE FPM USING A PARABOLIC MIRROR [patent_app_type] => utility [patent_app_number] => 17/790434 [patent_app_country] => US [patent_app_date] => 2020-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3232 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17790434 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/790434
REFLECTIVE FPM USING A PARABOLIC MIRROR Jul 20, 2020 Pending
Array ( [id] => 20550011 [patent_doc_number] => 12560797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Telescopes [patent_app_type] => utility [patent_app_number] => 17/629732 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17629732 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629732
Telescopes Jul 16, 2020 Issued
Array ( [id] => 18911554 [patent_doc_number] => 11874531 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Accommodating soft contact lens [patent_app_type] => utility [patent_app_number] => 16/932228 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 10200 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16932228 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/932228
Accommodating soft contact lens Jul 16, 2020 Issued
Array ( [id] => 17345264 [patent_doc_number] => 20220011595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => PRESCRIPTION LENS MANUFACTURING [patent_app_type] => utility [patent_app_number] => 16/926450 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11895 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16926450 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/926450
PRESCRIPTION LENS MANUFACTURING Jul 9, 2020 Abandoned
Array ( [id] => 19949693 [patent_doc_number] => 12321054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Optical testing apparatus [patent_app_type] => utility [patent_app_number] => 17/637673 [patent_app_country] => US [patent_app_date] => 2020-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [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] => 17637673 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/637673
Optical testing apparatus Jul 9, 2020 Issued
Array ( [id] => 16377764 [patent_doc_number] => 20200326606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => SYSTEM, METHOD AND APPARATUS FOR NON-MECHANICAL OPTICAL AND PHOTONIC BEAM STEERING [patent_app_type] => utility [patent_app_number] => 16/916744 [patent_app_country] => US [patent_app_date] => 2020-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 58081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16916744 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/916744
System, method and apparatus for non-mechanical optical and photonic beam steering Jun 29, 2020 Issued
Array ( [id] => 19390973 [patent_doc_number] => 20240280843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Wavelength Tunable Device [patent_app_type] => utility [patent_app_number] => 18/007863 [patent_app_country] => US [patent_app_date] => 2020-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4900 [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] => 18007863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007863
Wavelength Tunable Device Jun 11, 2020 Pending
Array ( [id] => 18591534 [patent_doc_number] => 11740427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Lens driving device, camera module and optical apparatus [patent_app_type] => utility [patent_app_number] => 16/895712 [patent_app_country] => US [patent_app_date] => 2020-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 28 [patent_no_of_words] => 21816 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16895712 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/895712
Lens driving device, camera module and optical apparatus Jun 7, 2020 Issued
Array ( [id] => 17747861 [patent_doc_number] => 20220226064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => VIDEO GLASSES FOR USE WITH A STEREOSCOPIC MICROSCOPE FOR MICROSURGICAL PROCEDURES ON PATIENTS [patent_app_type] => utility [patent_app_number] => 17/614639 [patent_app_country] => US [patent_app_date] => 2020-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3087 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17614639 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/614639
VIDEO GLASSES FOR USE WITH A STEREOSCOPIC MICROSCOPE FOR MICROSURGICAL PROCEDURES ON PATIENTS May 25, 2020 Pending
Array ( [id] => 16887042 [patent_doc_number] => 20210173239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => LIGHT MODULATOR, OPTICAL DEVICE INCLUDING LIGHT MODULATOR, AND ELECTRONIC APPARATUS INCLUDING OPTICAL DEVICE [patent_app_type] => utility [patent_app_number] => 16/880350 [patent_app_country] => US [patent_app_date] => 2020-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16880350 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/880350
Light modulator, optical device including light modulator, and electronic apparatus including optical device May 20, 2020 Issued
Array ( [id] => 18323919 [patent_doc_number] => 20230122047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => BACKPLANE, DIMMING METHOD THEREOF, AND DISPLAY DEVICE HAVING SAME [patent_app_type] => utility [patent_app_number] => 16/960553 [patent_app_country] => US [patent_app_date] => 2020-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16960553 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/960553
Backplane, dimming method thereof, and display device having same May 18, 2020 Issued
Array ( [id] => 20109711 [patent_doc_number] => 12360425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Particle removal during fabrication of electrochromic devices [patent_app_type] => utility [patent_app_number] => 16/868455 [patent_app_country] => US [patent_app_date] => 2020-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 7643 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16868455 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/868455
Particle removal during fabrication of electrochromic devices May 5, 2020 Issued
Array ( [id] => 17189520 [patent_doc_number] => 20210336405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => CASCADED RESONANT OPTICAL PHASE MODULATORS FOR ENHANCED SENSITIVITY WHILE PRESERVING LINEARITY [patent_app_type] => utility [patent_app_number] => 16/859471 [patent_app_country] => US [patent_app_date] => 2020-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16859471 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/859471
Cascaded resonant optical phase modulators for enhanced sensitivity while preserving linearity Apr 26, 2020 Issued
Array ( [id] => 18428009 [patent_doc_number] => 11673212 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Optical path/beam splitting unit and coaxial-wire-feed cladding head thereof [patent_app_type] => utility [patent_app_number] => 16/855070 [patent_app_country] => US [patent_app_date] => 2020-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4328 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16855070 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/855070
Optical path/beam splitting unit and coaxial-wire-feed cladding head thereof Apr 21, 2020 Issued
Array ( [id] => 16871831 [patent_doc_number] => 20210165298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => PANEL, DISPLAY COMPONENT, AND METHOD FOR CONTROLLING VIEW ANGLE OF DISPLAY COMPONENT [patent_app_type] => utility [patent_app_number] => 16/852346 [patent_app_country] => US [patent_app_date] => 2020-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5549 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16852346 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/852346
PANEL, DISPLAY COMPONENT, AND METHOD FOR CONTROLLING VIEW ANGLE OF DISPLAY COMPONENT Apr 16, 2020 Abandoned
Array ( [id] => 19122063 [patent_doc_number] => 11966040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Optical system for an endoscope [patent_app_type] => utility [patent_app_number] => 16/849576 [patent_app_country] => US [patent_app_date] => 2020-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7573 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16849576 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/849576
Optical system for an endoscope Apr 14, 2020 Issued
Array ( [id] => 16192380 [patent_doc_number] => 20200233229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => LENS MOVING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/843205 [patent_app_country] => US [patent_app_date] => 2020-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16843205 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/843205
Lens moving apparatus Apr 7, 2020 Issued
Array ( [id] => 17674469 [patent_doc_number] => 20220187636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => VARIABLE-PHASE DEVICE [patent_app_type] => utility [patent_app_number] => 17/598465 [patent_app_country] => US [patent_app_date] => 2020-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17890 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17598465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/598465
Variable-phase device Mar 26, 2020 Issued
Array ( [id] => 18219910 [patent_doc_number] => 11594863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Smile correction using FAC lens deformation [patent_app_type] => utility [patent_app_number] => 16/817884 [patent_app_country] => US [patent_app_date] => 2020-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 6378 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16817884 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817884
Smile correction using FAC lens deformation Mar 12, 2020 Issued
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