Search

Sujoy K. Kundu

Supervisory Patent Examiner (ID: 15611, Phone: (571)272-8586 , Office: P/2862 )

Most Active Art Unit
2863
Art Unit(s)
2862, 2475, 2857, 2471, 2863
Total Applications
588
Issued Applications
486
Pending Applications
31
Abandoned Applications
75

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18286976 [patent_doc_number] => 20230102448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => PHOTOACTIVE MATERIAL [patent_app_type] => utility [patent_app_number] => 17/797235 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6050 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17797235 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797235
PHOTOACTIVE MATERIAL Jan 28, 2021 Abandoned
Array ( [id] => 19974038 [patent_doc_number] => 12342672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Organic light emitting device and display device [patent_app_type] => utility [patent_app_number] => 17/610690 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5244 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17610690 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/610690
Organic light emitting device and display device Jan 25, 2021 Issued
Array ( [id] => 18333198 [patent_doc_number] => 20230125146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => POLYCYCLIC AROMATIC DERIVATIVE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING SAME [patent_app_type] => utility [patent_app_number] => 17/794838 [patent_app_country] => US [patent_app_date] => 2021-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5447 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17794838 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/794838
Polycyclic aromatic derivative compound and organic light-emitting device using same Jan 20, 2021 Issued
Array ( [id] => 17765203 [patent_doc_number] => 20220238817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/617263 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17617263 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/617263
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME Jan 19, 2021 Pending
Array ( [id] => 17780498 [patent_doc_number] => 20220246848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => ORGANIC LIGHT EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/629271 [patent_app_country] => US [patent_app_date] => 2021-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17629271 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629271
ORGANIC LIGHT EMITTING DEVICE Jan 10, 2021 Abandoned
Array ( [id] => 19814065 [patent_doc_number] => 12245497 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Organic light emitting material [patent_app_type] => utility [patent_app_number] => 17/145696 [patent_app_country] => US [patent_app_date] => 2021-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 12817 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 727 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17145696 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/145696
Organic light emitting material Jan 10, 2021 Issued
Array ( [id] => 18149531 [patent_doc_number] => 20230023388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => ORGANIC ELECTROLUMINESCENT ELEMENT [patent_app_type] => utility [patent_app_number] => 17/775465 [patent_app_country] => US [patent_app_date] => 2020-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9846 [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] => 17775465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/775465
ORGANIC ELECTROLUMINESCENT ELEMENT Dec 9, 2020 Pending
Array ( [id] => 18040516 [patent_doc_number] => 20220384733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => ORGANIC LIGHT EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/609361 [patent_app_country] => US [patent_app_date] => 2020-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28680 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17609361 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/609361
ORGANIC LIGHT EMITTING DEVICE Nov 29, 2020 Pending
Array ( [id] => 16712037 [patent_doc_number] => 20210079184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => FLUORINE-CONTAINING POLYCAPROLACTONE FILM AND PREPARATION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 17/106144 [patent_app_country] => US [patent_app_date] => 2020-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17106144 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/106144
Fluorine-containing polycaprolactone film and preparation method therefor Nov 28, 2020 Issued
Array ( [id] => 20535919 [patent_doc_number] => 12552985 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Heterocyclic compound and organic light-emitting device comprising same [patent_app_type] => utility [patent_app_number] => 17/781291 [patent_app_country] => US [patent_app_date] => 2020-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 8306 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17781291 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/781291
Heterocyclic compound and organic light-emitting device comprising same Nov 26, 2020 Issued
Array ( [id] => 18296631 [patent_doc_number] => 20230106317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => POLYCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/612681 [patent_app_country] => US [patent_app_date] => 2020-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31218 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17612681 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/612681
POLYCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT COMPRISING SAME Nov 26, 2020 Pending
Array ( [id] => 17611631 [patent_doc_number] => 20220153910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => POLYURETHANE AND POLYISOCYANURATE HYBRID COATINGS [patent_app_type] => utility [patent_app_number] => 16/951049 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5442 [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] => 16951049 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/951049
POLYURETHANE AND POLYISOCYANURATE HYBRID COATINGS Nov 17, 2020 Abandoned
Array ( [id] => 17611632 [patent_doc_number] => 20220153911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => POLYURETHANE AND POLYISOCYANURATE HYBRID MATERIALS AND METHOD OF PREPARING THE SAME [patent_app_type] => utility [patent_app_number] => 16/951017 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16951017 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/951017
POLYURETHANE AND POLYISOCYANURATE HYBRID MATERIALS AND METHOD OF PREPARING THE SAME Nov 17, 2020 Abandoned
Array ( [id] => 17795920 [patent_doc_number] => 20220255012 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 17/610283 [patent_app_country] => US [patent_app_date] => 2020-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17610283 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/610283
Heterocyclic compound and organic light emitting device comprising same Nov 12, 2020 Issued
Array ( [id] => 16673235 [patent_doc_number] => 20210061998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => THERMOPLASTIC RESIN FILM [patent_app_type] => utility [patent_app_number] => 17/095679 [patent_app_country] => US [patent_app_date] => 2020-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5131 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17095679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/095679
Thermoplastic resin film Nov 10, 2020 Issued
Array ( [id] => 16796387 [patent_doc_number] => 20210126204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/077113 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7093 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17077113 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/077113
Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device and display device Oct 21, 2020 Issued
Array ( [id] => 18701437 [patent_doc_number] => 11787936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Polyurethane polymer having a hardness of less than or equal to 60 shore A and good abrasion resistance [patent_app_type] => utility [patent_app_number] => 17/074870 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7073 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17074870 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/074870
Polyurethane polymer having a hardness of less than or equal to 60 shore A and good abrasion resistance Oct 19, 2020 Issued
Array ( [id] => 17986431 [patent_doc_number] => 20220352468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => ORGANIC ELECTROLUMINESCENT DEVICE EMITTING VISIBLE LIGHT [patent_app_type] => utility [patent_app_number] => 17/762194 [patent_app_country] => US [patent_app_date] => 2020-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17762194 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/762194
ORGANIC ELECTROLUMINESCENT DEVICE EMITTING VISIBLE LIGHT Oct 12, 2020 Pending
Array ( [id] => 18153175 [patent_doc_number] => 11566139 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Coated articles demonstrating electromagnetic radiation transparency and method of mitigating contaminant build-up on a substrate [patent_app_type] => utility [patent_app_number] => 17/062082 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9910 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17062082 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/062082
Coated articles demonstrating electromagnetic radiation transparency and method of mitigating contaminant build-up on a substrate Oct 1, 2020 Issued
Array ( [id] => 16582938 [patent_doc_number] => 20210017340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-21 [patent_title] => Polysulfone-Urethane Copolymer, Membranes And Products Incorporating Same, And Methods For Making And Using Same [patent_app_type] => utility [patent_app_number] => 17/060212 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 17060212 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/060212
Polysulfone-urethane copolymer, membranes and products incorporating same, and methods for making and using same Sep 30, 2020 Issued
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