Search

David J. Czekaj

Supervisory Patent Examiner (ID: 17721, Phone: (571)272-7327 , Office: P/2487 )

Most Active Art Unit
2621
Art Unit(s)
2613, 2483, 2487, 2621, 2616
Total Applications
419
Issued Applications
195
Pending Applications
36
Abandoned Applications
192

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5426162 [patent_doc_number] => 20090085472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'Solution-Processed Organic Electronic Structural Element with Improved Electrode Layer' [patent_app_type] => utility [patent_app_number] => 12/234903 [patent_app_country] => US [patent_app_date] => 2008-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1984 [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] => publications/A1/0085/20090085472.pdf [firstpage_image] =>[orig_patent_app_number] => 12234903 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/234903
Solution-Processed Organic Electronic Structural Element with Improved Electrode Layer Sep 21, 2008 Abandoned
Array ( [id] => 5268951 [patent_doc_number] => 20090072726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-19 [patent_title] => 'ORGANIC ELECTROLUMINESCENCE DEVICE' [patent_app_type] => utility [patent_app_number] => 12/210594 [patent_app_country] => US [patent_app_date] => 2008-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17917 [patent_no_of_claims] => 6 [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] => publications/A1/0072/20090072726.pdf [firstpage_image] =>[orig_patent_app_number] => 12210594 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/210594
Organic electroluminescence device Sep 14, 2008 Issued
Array ( [id] => 6418862 [patent_doc_number] => 20100277060 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-04 [patent_title] => 'ELECTROLUMINESCENT DEVICE' [patent_app_type] => utility [patent_app_number] => 12/678382 [patent_app_country] => US [patent_app_date] => 2008-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22203 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0277/20100277060.pdf [firstpage_image] =>[orig_patent_app_number] => 12678382 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/678382
Electroluminescent device Sep 9, 2008 Issued
Array ( [id] => 8784407 [patent_doc_number] => 08431246 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-30 [patent_title] => 'Organic metal complexs derivative and organic light emitting device using the same' [patent_app_type] => utility [patent_app_number] => 12/733404 [patent_app_country] => US [patent_app_date] => 2008-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 8971 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12733404 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/733404
Organic metal complexs derivative and organic light emitting device using the same Aug 28, 2008 Issued
Array ( [id] => 6216717 [patent_doc_number] => 20100052516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-04 [patent_title] => 'EMITTING COMPLEX FOR ELECTROLUMINESCENT DEVICES' [patent_app_type] => utility [patent_app_number] => 12/200163 [patent_app_country] => US [patent_app_date] => 2008-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 10827 [patent_no_of_claims] => 18 [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] => publications/A1/0052/20100052516.pdf [firstpage_image] =>[orig_patent_app_number] => 12200163 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/200163
Emitting complex for electroluminescent devices Aug 27, 2008 Issued
Array ( [id] => 5320286 [patent_doc_number] => 20090058276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-05 [patent_title] => 'METAL-CONTAINING POLYMERS and uses thereof' [patent_app_type] => utility [patent_app_number] => 12/194815 [patent_app_country] => US [patent_app_date] => 2008-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 11397 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0058/20090058276.pdf [firstpage_image] =>[orig_patent_app_number] => 12194815 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/194815
METAL-CONTAINING POLYMERS and uses thereof Aug 19, 2008 Abandoned
Array ( [id] => 9311435 [patent_doc_number] => 08652652 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-18 [patent_title] => 'Single triphenylene chromophores in phosphorescent light emitting diodes' [patent_app_type] => utility [patent_app_number] => 12/865628 [patent_app_country] => US [patent_app_date] => 2008-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 14415 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 10 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12865628 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/865628
Single triphenylene chromophores in phosphorescent light emitting diodes Aug 6, 2008 Issued
Array ( [id] => 10179201 [patent_doc_number] => 09209417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-08 [patent_title] => 'Organic electroluminescent device' [patent_app_type] => utility [patent_app_number] => 12/668631 [patent_app_country] => US [patent_app_date] => 2008-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36835 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12668631 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/668631
Organic electroluminescent device Jul 24, 2008 Issued
Array ( [id] => 6469908 [patent_doc_number] => 20100207110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-19 [patent_title] => 'ORGANIC EL DEVICE' [patent_app_type] => utility [patent_app_number] => 12/668111 [patent_app_country] => US [patent_app_date] => 2008-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 16107 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0207/20100207110.pdf [firstpage_image] =>[orig_patent_app_number] => 12668111 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/668111
Organic EL device and anthracene derivative Jul 3, 2008 Issued
Array ( [id] => 6604198 [patent_doc_number] => 20100171109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-08 [patent_title] => 'ORGANIC EL DEVICE' [patent_app_type] => utility [patent_app_number] => 12/668110 [patent_app_country] => US [patent_app_date] => 2008-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 24443 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0171/20100171109.pdf [firstpage_image] =>[orig_patent_app_number] => 12668110 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/668110
ORGANIC EL DEVICE Jul 3, 2008 Abandoned
Array ( [id] => 4759200 [patent_doc_number] => 20080311426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-18 [patent_title] => 'Organic EL Display and Method for Manufacturing the Same' [patent_app_type] => utility [patent_app_number] => 12/139395 [patent_app_country] => US [patent_app_date] => 2008-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5351 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0311/20080311426.pdf [firstpage_image] =>[orig_patent_app_number] => 12139395 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/139395
Organic EL Display and Method for Manufacturing the Same Jun 12, 2008 Abandoned
Array ( [id] => 6271663 [patent_doc_number] => 20100117064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-13 [patent_title] => 'ORGANIC METAL COMPLEXES DERIVATIVE AND ORGANIC LIGHT EMITTING DEVICES USING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/452015 [patent_app_country] => US [patent_app_date] => 2008-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8629 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0117/20100117064.pdf [firstpage_image] =>[orig_patent_app_number] => 12452015 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/452015
Organic metal complexes derivative and organic light emitting devices using the same Jun 11, 2008 Issued
Array ( [id] => 4710872 [patent_doc_number] => 20080299398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-04 [patent_title] => 'LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/130372 [patent_app_country] => US [patent_app_date] => 2008-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 10747 [patent_no_of_claims] => 17 [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] => publications/A1/0299/20080299398.pdf [firstpage_image] =>[orig_patent_app_number] => 12130372 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/130372
LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME May 29, 2008 Abandoned
Array ( [id] => 4947300 [patent_doc_number] => 20080303426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-11 [patent_title] => 'FLUORESCENT RARE EARTH COMPLEX, AND LIGHT-EMITTING ELEMENT, SECURITY MEDIUM AND LIGHTING DEVICE USING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/124786 [patent_app_country] => US [patent_app_date] => 2008-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4421 [patent_no_of_claims] => 10 [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] => publications/A1/0303/20080303426.pdf [firstpage_image] =>[orig_patent_app_number] => 12124786 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/124786
Fluorescent rare earth complex, and light-emitting element, security medium and lighting device using the same May 20, 2008 Issued
Array ( [id] => 9496151 [patent_doc_number] => 08734962 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-27 [patent_title] => 'Phosphorescent metal complex compound radiation emitting component comprising a phosphorescent metal complex compound and method for production of a phosphorescent metal complex compound' [patent_app_type] => utility [patent_app_number] => 12/601520 [patent_app_country] => US [patent_app_date] => 2008-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 13463 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12601520 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/601520
Phosphorescent metal complex compound radiation emitting component comprising a phosphorescent metal complex compound and method for production of a phosphorescent metal complex compound May 19, 2008 Issued
Array ( [id] => 4739778 [patent_doc_number] => 20080233431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-25 [patent_title] => 'Organic electroluminescent element, illuminator and display' [patent_app_type] => utility [patent_app_number] => 12/082251 [patent_app_country] => US [patent_app_date] => 2008-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 13372 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0233/20080233431.pdf [firstpage_image] =>[orig_patent_app_number] => 12082251 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/082251
Organic electroluminescent element, illuminator and display Apr 9, 2008 Issued
Array ( [id] => 4859434 [patent_doc_number] => 20080268284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'ORGANIC COMPOUND, ANTHRACENE DERIVATIVE, AND LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, AND ELECTRONIC DEVICE IN WHICH THE ANTHRACENE DERIVATIVE IS USED' [patent_app_type] => utility [patent_app_number] => 12/055000 [patent_app_country] => US [patent_app_date] => 2008-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 35 [patent_no_of_words] => 23002 [patent_no_of_claims] => 22 [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] => publications/A1/0268/20080268284.pdf [firstpage_image] =>[orig_patent_app_number] => 12055000 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/055000
Organic compound, anthracene derivative, and light-emitting element, light-emitting device, and electronic device in which the anthracene derivative is used Mar 24, 2008 Issued
Array ( [id] => 4718996 [patent_doc_number] => 20080241518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-02 [patent_title] => 'ORGANIC ELECTROLUMINESCENCE ELEMENT' [patent_app_type] => utility [patent_app_number] => 12/054147 [patent_app_country] => US [patent_app_date] => 2008-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14593 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0241/20080241518.pdf [firstpage_image] =>[orig_patent_app_number] => 12054147 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/054147
ORGANIC ELECTROLUMINESCENCE ELEMENT Mar 23, 2008 Abandoned
Array ( [id] => 6604043 [patent_doc_number] => 20100033086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-11 [patent_title] => 'POLYMER COMPOUND AND COMPOSITION CONTAINING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/529078 [patent_app_country] => US [patent_app_date] => 2008-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22237 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0033/20100033086.pdf [firstpage_image] =>[orig_patent_app_number] => 12529078 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/529078
POLYMER COMPOUND AND COMPOSITION CONTAINING THE SAME Mar 6, 2008 Abandoned
Array ( [id] => 4708507 [patent_doc_number] => 20080297033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-04 [patent_title] => 'BLUE PHOSPHORESCENT IMIDAZOPHENANTHRIDINE MATERIALS' [patent_app_type] => utility [patent_app_number] => 12/044605 [patent_app_country] => US [patent_app_date] => 2008-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 32286 [patent_no_of_claims] => 44 [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] => publications/A1/0297/20080297033.pdf [firstpage_image] =>[orig_patent_app_number] => 12044605 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/044605
Blue phosphorescent imidazophenanthridine materials Mar 6, 2008 Issued
Menu