Search

Khai N. Nguyen

Examiner (ID: 9697, Phone: (571)270-3141 , Office: P/2652 )

Most Active Art Unit
2652
Art Unit(s)
2614, 2652
Total Applications
777
Issued Applications
680
Pending Applications
6
Abandoned Applications
96

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17822669 [patent_doc_number] => 11427607 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Organic electroluminescent materials and devices [patent_app_type] => utility [patent_app_number] => 16/563831 [patent_app_country] => US [patent_app_date] => 2019-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10779 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16563831 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/563831
Organic electroluminescent materials and devices Sep 6, 2019 Issued
Array ( [id] => 16001649 [patent_doc_number] => 20200176695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => Organic light-emitting diode with High efficiency and low voltage [patent_app_type] => utility [patent_app_number] => 16/563621 [patent_app_country] => US [patent_app_date] => 2019-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 1134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16563621 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/563621
Organic light-emitting diode with High efficiency and low voltage Sep 5, 2019 Abandoned
Array ( [id] => 15332673 [patent_doc_number] => 20200006666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => ORGANIC ELECTROLUMINESCENT DEVICES [patent_app_type] => utility [patent_app_number] => 16/558691 [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] => 6947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16558691 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/558691
Organic electroluminescent devices Sep 2, 2019 Issued
Array ( [id] => 15626119 [patent_doc_number] => 20200083464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND DIAGNOSTIC COMPOSITION INCLUDING THE ORGANOMETALLIC COMPOUND [patent_app_type] => utility [patent_app_number] => 16/555257 [patent_app_country] => US [patent_app_date] => 2019-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 1277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16555257 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/555257
Organometallic compound, organic light-emitting device including the same, and diagnostic composition including the organometallic compound Aug 28, 2019 Issued
Array ( [id] => 18545294 [patent_doc_number] => 11718634 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Organic electroluminescent materials and devices [patent_app_type] => utility [patent_app_number] => 16/550376 [patent_app_country] => US [patent_app_date] => 2019-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 18431 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16550376 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/550376
Organic electroluminescent materials and devices Aug 25, 2019 Issued
Array ( [id] => 15626107 [patent_doc_number] => 20200083458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 16/549614 [patent_app_country] => US [patent_app_date] => 2019-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 1448 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16549614 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/549614
Heterocyclic compound and organic light-emitting device Aug 22, 2019 Issued
Array ( [id] => 16194454 [patent_doc_number] => 20200235303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => ORGANIC LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/546041 [patent_app_country] => US [patent_app_date] => 2019-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24783 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 1390 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16546041 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/546041
Organic light-emitting device and display apparatus including the same Aug 19, 2019 Issued
Array ( [id] => 15626109 [patent_doc_number] => 20200083459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES [patent_app_type] => utility [patent_app_number] => 16/540210 [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] => 24142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 357 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16540210 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/540210
Organic electroluminescent materials and devices Aug 13, 2019 Issued
Array ( [id] => 20187208 [patent_doc_number] => 12398315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Organic electroluminescence device [patent_app_type] => utility [patent_app_number] => 16/537222 [patent_app_country] => US [patent_app_date] => 2019-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 5883 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16537222 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/537222
Organic electroluminescence device Aug 8, 2019 Issued
Array ( [id] => 15746145 [patent_doc_number] => 20200111962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDED WITH THE SAME [patent_app_type] => utility [patent_app_number] => 16/514934 [patent_app_country] => US [patent_app_date] => 2019-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27639 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -35 [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] => 16514934 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/514934
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDED WITH THE SAME Jul 16, 2019 Abandoned
Array ( [id] => 19667450 [patent_doc_number] => 12180177 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Compound and organic light emitting diode comprising same [patent_app_type] => utility [patent_app_number] => 17/056729 [patent_app_country] => US [patent_app_date] => 2019-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 8207 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17056729 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/056729
Compound and organic light emitting diode comprising same Jul 8, 2019 Issued
Array ( [id] => 15352139 [patent_doc_number] => 20200013961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => ORGANIC LIGHT-EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 16/506173 [patent_app_country] => US [patent_app_date] => 2019-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24453 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 888 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16506173 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/506173
Organic light-emitting device Jul 8, 2019 Issued
Array ( [id] => 15363487 [patent_doc_number] => 20200017508 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES [patent_app_type] => utility [patent_app_number] => 16/441058 [patent_app_country] => US [patent_app_date] => 2019-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13185 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16441058 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/441058
Organic electroluminescent materials and devices Jun 13, 2019 Issued
Array ( [id] => 14939185 [patent_doc_number] => 20190305231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES [patent_app_type] => utility [patent_app_number] => 16/437581 [patent_app_country] => US [patent_app_date] => 2019-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16437581 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/437581
Organic electroluminescent materials and devices Jun 10, 2019 Issued
Array ( [id] => 19706948 [patent_doc_number] => 12201011 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Organic electroluminescent materials and devices [patent_app_type] => utility [patent_app_number] => 16/436123 [patent_app_country] => US [patent_app_date] => 2019-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 11005 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16436123 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/436123
Organic electroluminescent materials and devices Jun 9, 2019 Issued
Array ( [id] => 16586440 [patent_doc_number] => 20210020842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-21 [patent_title] => ORGANIC LIGHT-EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/043130 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11963 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 478 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17043130 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/043130
Organic light-emitting device Jun 6, 2019 Issued
Array ( [id] => 17792207 [patent_doc_number] => 20220251298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => ORGANIC ELECTRONICS MATERIAL AND METHOD FOR PREPARING CHARGE-TRANSPORTING POLYMER [patent_app_type] => utility [patent_app_number] => 17/606057 [patent_app_country] => US [patent_app_date] => 2019-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12057 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17606057 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/606057
ORGANIC ELECTRONICS MATERIAL AND METHOD FOR PREPARING CHARGE-TRANSPORTING POLYMER Apr 25, 2019 Abandoned
Array ( [id] => 16586444 [patent_doc_number] => 20210020846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-21 [patent_title] => ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 16/981945 [patent_app_country] => US [patent_app_date] => 2019-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28472 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -35 [patent_words_short_claim] => 1553 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16981945 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981945
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE Mar 17, 2019 Abandoned
Array ( [id] => 14510233 [patent_doc_number] => 20190198771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEIVCE [patent_app_type] => utility [patent_app_number] => 16/285617 [patent_app_country] => US [patent_app_date] => 2019-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8514 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 386 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16285617 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/285617
Compound for organic optoelectronic device, composition for organic optoelectronic device and organic optoelectronic device and display device Feb 25, 2019 Issued
Array ( [id] => 14510235 [patent_doc_number] => 20190198772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEIVCE [patent_app_type] => utility [patent_app_number] => 16/285711 [patent_app_country] => US [patent_app_date] => 2019-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8528 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16285711 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/285711
COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE AND ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEIVCE Feb 25, 2019 Abandoned
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