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] => 14554135 [patent_doc_number] => 10345521 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => Method of modifying mode size of an optical beam, using a waveguide mode expander having non-crystalline silicon features [patent_app_type] => utility [patent_app_number] => 15/980536 [patent_app_country] => US [patent_app_date] => 2018-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 48 [patent_no_of_words] => 9636 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15980536 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/980536
Method of modifying mode size of an optical beam, using a waveguide mode expander having non-crystalline silicon features May 14, 2018 Issued
Array ( [id] => 15150749 [patent_doc_number] => 20190353852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => OPTICAL FIBER CONNECTOR [patent_app_type] => utility [patent_app_number] => 15/980472 [patent_app_country] => US [patent_app_date] => 2018-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6620 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15980472 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/980472
Optical fiber connector May 14, 2018 Issued
Array ( [id] => 13568041 [patent_doc_number] => 20180335568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => GUIDED LIGHT SOURCE, ITS FABRICATION METHOD AND ITS USE FOR EMISSION OF SINGLE PHOTONS [patent_app_type] => utility [patent_app_number] => 15/978481 [patent_app_country] => US [patent_app_date] => 2018-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15978481 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/978481
Guided light source for emission of single photons May 13, 2018 Issued
Array ( [id] => 13431393 [patent_doc_number] => 20180267239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => CONFIGURABLE COMPACT PHOTONIC PLATFORMS [patent_app_type] => utility [patent_app_number] => 15/976944 [patent_app_country] => US [patent_app_date] => 2018-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15976944 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/976944
Method of fabricating a compact photonics platform May 10, 2018 Issued
Array ( [id] => 14060675 [patent_doc_number] => 10234629 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-19 [patent_title] => Method for reducing threading dislocation of semiconductor device [patent_app_type] => utility [patent_app_number] => 15/975496 [patent_app_country] => US [patent_app_date] => 2018-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 8222 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15975496 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/975496
Method for reducing threading dislocation of semiconductor device May 8, 2018 Issued
Array ( [id] => 13416335 [patent_doc_number] => 20180259710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => Wafer-Scale Polymer-Aided Light Coupling for Epitaxially Grown Material Platforms [patent_app_type] => utility [patent_app_number] => 15/974221 [patent_app_country] => US [patent_app_date] => 2018-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5201 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15974221 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/974221
Wafer-Scale Polymer-Aided Light Coupling for Epitaxially Grown Material Platforms May 7, 2018 Abandoned
Array ( [id] => 15424753 [patent_doc_number] => 10545300 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-28 [patent_title] => Three-dimensional WDM with 1xM output ports on SOI based straight waveguides combined with wavelength filters on 45 degree reflectors [patent_app_type] => utility [patent_app_number] => 15/963780 [patent_app_country] => US [patent_app_date] => 2018-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 6858 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15963780 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/963780
Three-dimensional WDM with 1xM output ports on SOI based straight waveguides combined with wavelength filters on 45 degree reflectors Apr 25, 2018 Issued
Array ( [id] => 15010665 [patent_doc_number] => 10451462 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-22 [patent_title] => Optical fiber cable [patent_app_type] => utility [patent_app_number] => 15/962196 [patent_app_country] => US [patent_app_date] => 2018-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 30 [patent_no_of_words] => 11536 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15962196 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/962196
Optical fiber cable Apr 24, 2018 Issued
Array ( [id] => 15247299 [patent_doc_number] => 10509167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-17 [patent_title] => Optical phase difference calculation using analog processing [patent_app_type] => utility [patent_app_number] => 15/959580 [patent_app_country] => US [patent_app_date] => 2018-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4493 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15959580 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/959580
Optical phase difference calculation using analog processing Apr 22, 2018 Issued
Array ( [id] => 13751195 [patent_doc_number] => 10168538 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-01 [patent_title] => Symmetric micro-optic module [patent_app_type] => utility [patent_app_number] => 15/950993 [patent_app_country] => US [patent_app_date] => 2018-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 3208 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15950993 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/950993
Symmetric micro-optic module Apr 10, 2018 Issued
Array ( [id] => 13973165 [patent_doc_number] => 10215930 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-26 [patent_title] => Fiber optic connector with field installable outer connector housing [patent_app_type] => utility [patent_app_number] => 15/948258 [patent_app_country] => US [patent_app_date] => 2018-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 3511 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 15948258 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/948258
Fiber optic connector with field installable outer connector housing Apr 8, 2018 Issued
Array ( [id] => 15918243 [patent_doc_number] => 10656358 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-19 [patent_title] => Fiber optic network distribution module for use along an outdoor multi-fiber network distribution cable [patent_app_type] => utility [patent_app_number] => 15/935222 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 5378 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15935222 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/935222
Fiber optic network distribution module for use along an outdoor multi-fiber network distribution cable Mar 25, 2018 Issued
Array ( [id] => 13419491 [patent_doc_number] => 20180261288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-13 [patent_title] => LOOP MEMORY CELL [patent_app_type] => utility [patent_app_number] => 15/919280 [patent_app_country] => US [patent_app_date] => 2018-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11246 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15919280 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/919280
LOOP MEMORY CELL Mar 12, 2018 Abandoned
Array ( [id] => 12795475 [patent_doc_number] => 20180156994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-07 [patent_title] => IMPLANTABLE OPTICAL FEEDTHROUGH CONNECTOR [patent_app_type] => utility [patent_app_number] => 15/883493 [patent_app_country] => US [patent_app_date] => 2018-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3867 [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] => 15883493 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/883493
IMPLANTABLE OPTICAL FEEDTHROUGH CONNECTOR Jan 29, 2018 Abandoned
Array ( [id] => 16573786 [patent_doc_number] => 10895705 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-19 [patent_title] => Fiber optic enclosure with internal cable spool [patent_app_type] => utility [patent_app_number] => 15/875513 [patent_app_country] => US [patent_app_date] => 2018-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 18 [patent_no_of_words] => 4458 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [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] => 15875513 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/875513
Fiber optic enclosure with internal cable spool Jan 18, 2018 Issued
Array ( [id] => 14264201 [patent_doc_number] => 10281660 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-07 [patent_title] => Splitter terminal with multi-fiber output connection location [patent_app_type] => utility [patent_app_number] => 15/834506 [patent_app_country] => US [patent_app_date] => 2017-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4426 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15834506 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/834506
Splitter terminal with multi-fiber output connection location Dec 6, 2017 Issued
Array ( [id] => 12589344 [patent_doc_number] => 20180088277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-29 [patent_title] => BACK END OF LINE PROCESS INTEGRATED OPTICAL DEVICE FABRICATION [patent_app_type] => utility [patent_app_number] => 15/826897 [patent_app_country] => US [patent_app_date] => 2017-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 15826897 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/826897
Back end of line process integrated optical device fabrication Nov 29, 2017 Issued
Array ( [id] => 12261928 [patent_doc_number] => 20180081124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'Spring Push and Push-Pull Tab for Tightly Spaced Fiber Optic Connectors' [patent_app_type] => utility [patent_app_number] => 15/823047 [patent_app_country] => US [patent_app_date] => 2017-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 2817 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15823047 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/823047
Spring push and push-pull tab for tightly spaced fiber optic connectors Nov 26, 2017 Issued
Array ( [id] => 12234393 [patent_doc_number] => 20180067257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-08 [patent_title] => 'BENT AND TAPERED OPTICAL WAVEGUIDE FOR MORE CONVERTER AND POLARIZATION ROTATOR' [patent_app_type] => utility [patent_app_number] => 15/812441 [patent_app_country] => US [patent_app_date] => 2017-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4644 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15812441 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/812441
Bent and tapered optical waveguide component for mode converter and polarization rotator Nov 13, 2017 Issued
Array ( [id] => 14033537 [patent_doc_number] => 10228514 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-12 [patent_title] => Mode converting bent taper with varying widths for an optical waveguide [patent_app_type] => utility [patent_app_number] => 15/812195 [patent_app_country] => US [patent_app_date] => 2017-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 3445 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15812195 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/812195
Mode converting bent taper with varying widths for an optical waveguide Nov 13, 2017 Issued
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