Search

David E Choi

Examiner (ID: 56, Phone: (571)270-3780 , Office: P/2174 )

Most Active Art Unit
2174
Art Unit(s)
2174, 2173
Total Applications
672
Issued Applications
481
Pending Applications
45
Abandoned Applications
114

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16178440 [patent_doc_number] => 20200225408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => OPTICAL DEVICE AND METHOD FOR MANUFACTURING OPTICAL DEVICE [patent_app_type] => utility [patent_app_number] => 16/836233 [patent_app_country] => US [patent_app_date] => 2020-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13125 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16836233 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/836233
Optical device and method for manufacturing optical device Mar 30, 2020 Issued
Array ( [id] => 16231965 [patent_doc_number] => 10739512 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-11 [patent_title] => Optical systems including light-guide optical elements with two-dimensional expansion [patent_app_type] => utility [patent_app_number] => 16/805782 [patent_app_country] => US [patent_app_date] => 2020-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 8950 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16805782 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/805782
Optical systems including light-guide optical elements with two-dimensional expansion Feb 29, 2020 Issued
Array ( [id] => 15901645 [patent_doc_number] => 20200150342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => Silicon Photonic Integrated Circuit With Electrostatic Discharge Protection [patent_app_type] => utility [patent_app_number] => 16/737899 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 442 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16737899 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/737899
Silicon photonic integrated circuit with electrostatic discharge protection Jan 7, 2020 Issued
Array ( [id] => 15771845 [patent_doc_number] => 20200116940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-16 [patent_title] => OPTICAL NOTCH FILTER SYSTEM WITH INDEPENDENT CONTROL OF COUPLED DEVICES [patent_app_type] => utility [patent_app_number] => 16/715455 [patent_app_country] => US [patent_app_date] => 2019-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7635 [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] => 16715455 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/715455
Optical notch filter system with independent control of coupled devices Dec 15, 2019 Issued
Array ( [id] => 16462190 [patent_doc_number] => 10845535 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-24 [patent_title] => Integrated silicon photonics and memristor dot product engine systems and methods [patent_app_type] => utility [patent_app_number] => 16/708549 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4529 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16708549 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/708549
Integrated silicon photonics and memristor dot product engine systems and methods Dec 9, 2019 Issued
Array ( [id] => 16408178 [patent_doc_number] => 10816728 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-10-27 [patent_title] => Polarizers with confinement cladding [patent_app_type] => utility [patent_app_number] => 16/686782 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3510 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16686782 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/686782
Polarizers with confinement cladding Nov 17, 2019 Issued
Array ( [id] => 15649339 [patent_doc_number] => 20200087199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => MATERIAL AND PROCESS TO CREATE COMPOSITE LAYERS, EMBEDDED FEATURES OR ARMOR [patent_app_type] => utility [patent_app_number] => 16/686282 [patent_app_country] => US [patent_app_date] => 2019-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3480 [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] => 16686282 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/686282
MATERIAL AND PROCESS TO CREATE COMPOSITE LAYERS, EMBEDDED FEATURES OR ARMOR Nov 17, 2019 Abandoned
Array ( [id] => 16591891 [patent_doc_number] => 10901147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Single edge coupling of chips with integrated waveguides [patent_app_type] => utility [patent_app_number] => 16/565960 [patent_app_country] => US [patent_app_date] => 2019-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7744 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16565960 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/565960
Single edge coupling of chips with integrated waveguides Sep 9, 2019 Issued
Array ( [id] => 15296423 [patent_doc_number] => 20190391347 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => IMPLANTABLE OPTICAL FEEDTHROUGH CONNECTOR [patent_app_type] => utility [patent_app_number] => 16/558933 [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] => 3908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16558933 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/558933
IMPLANTABLE OPTICAL FEEDTHROUGH CONNECTOR Sep 2, 2019 Abandoned
Array ( [id] => 16643683 [patent_doc_number] => 10921533 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-16 [patent_title] => Method for coupling electromagnetic waves into a chip using a cavity for a light source and an opening, for passage of light of the light source, which is connected to the cavity [patent_app_type] => utility [patent_app_number] => 16/552681 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2744 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16552681 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/552681
Method for coupling electromagnetic waves into a chip using a cavity for a light source and an opening, for passage of light of the light source, which is connected to the cavity Aug 26, 2019 Issued
Array ( [id] => 16698085 [patent_doc_number] => 10948678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Bi-directional data center architectures including a jacketless trunk cable and methods of forming the same [patent_app_type] => utility [patent_app_number] => 16/528746 [patent_app_country] => US [patent_app_date] => 2019-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 5416 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16528746 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/528746
Bi-directional data center architectures including a jacketless trunk cable and methods of forming the same Jul 31, 2019 Issued
Array ( [id] => 15366279 [patent_doc_number] => 20200018904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => OPTICAL CONNECTOR AND ADAPTER [patent_app_type] => utility [patent_app_number] => 16/523077 [patent_app_country] => US [patent_app_date] => 2019-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16523077 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/523077
Optical connector and adapter Jul 25, 2019 Issued
Array ( [id] => 15366291 [patent_doc_number] => 20200018910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => OPTICAL MODULE [patent_app_type] => utility [patent_app_number] => 16/509580 [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] => 7189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16509580 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/509580
OPTICAL MODULE Jul 11, 2019 Abandoned
Array ( [id] => 15120097 [patent_doc_number] => 20190346681 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => LIGHT GUIDE PLATE MADE OF LEAD-FREE GLASS HAVING A HIGH REFRACTIVE INDEX AND IMAGE DISPLAY DEVICE USING A LIGHT GUIDE PLATE [patent_app_type] => utility [patent_app_number] => 16/508720 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16508720 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/508720
Light guide plate made of lead-free glass having a high refractive index and image display device using a light guide plate Jul 10, 2019 Issued
Array ( [id] => 16591890 [patent_doc_number] => 10901146 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Single edge coupling of chips with integrated waveguides [patent_app_type] => utility [patent_app_number] => 16/445623 [patent_app_country] => US [patent_app_date] => 2019-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7744 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16445623 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/445623
Single edge coupling of chips with integrated waveguides Jun 18, 2019 Issued
Array ( [id] => 16291525 [patent_doc_number] => 10768369 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-08 [patent_title] => Waveguide mode expander having non-crystalline silicon features [patent_app_type] => utility [patent_app_number] => 16/428193 [patent_app_country] => US [patent_app_date] => 2019-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 48 [patent_no_of_words] => 9677 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16428193 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/428193
Waveguide mode expander having non-crystalline silicon features May 30, 2019 Issued
Array ( [id] => 16416032 [patent_doc_number] => 10823918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-03 [patent_title] => Transitioning multi-core fiber to plural single core fibers [patent_app_type] => utility [patent_app_number] => 16/427300 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 22 [patent_no_of_words] => 7365 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16427300 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/427300
Transitioning multi-core fiber to plural single core fibers May 29, 2019 Issued
Array ( [id] => 15213543 [patent_doc_number] => 20190369458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-05 [patent_title] => APPARATUS AND METHOD FOR CONTROLLING LASER LIGHT PROPAGATION DIRECTION [patent_app_type] => utility [patent_app_number] => 16/387782 [patent_app_country] => US [patent_app_date] => 2019-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16387782 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/387782
Apparatus and method for controlling laser light propagation direction by using a plurality of nano-antennas Apr 17, 2019 Issued
Array ( [id] => 14569775 [patent_doc_number] => 20190212494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-11 [patent_title] => BENT TAPER AND POLARIZATION ROTATOR [patent_app_type] => utility [patent_app_number] => 16/357381 [patent_app_country] => US [patent_app_date] => 2019-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4357 [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] => 16357381 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/357381
BENT TAPER AND POLARIZATION ROTATOR Mar 18, 2019 Abandoned
Array ( [id] => 14781043 [patent_doc_number] => 20190265419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => SYSTEMS AND METHODS FOR LASER SYSTEMS WITH VARIABLE BEAM PARAMETER PRODUCT [patent_app_type] => utility [patent_app_number] => 16/292622 [patent_app_country] => US [patent_app_date] => 2019-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14976 [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] => 16292622 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/292622
Methods for altering properties of a radiation beam Mar 4, 2019 Issued
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