
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |