Search

Ephrem Alemu

Examiner (ID: 134)

Most Active Art Unit
2821
Art Unit(s)
2821, 2722
Total Applications
780
Issued Applications
631
Pending Applications
18
Abandoned Applications
131

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 484689 [patent_doc_number] => 07221100 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-22 [patent_title] => 'Gas discharge lamp power supply' [patent_app_type] => utility [patent_app_number] => 11/203599 [patent_app_country] => US [patent_app_date] => 2005-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3468 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/221/07221100.pdf [firstpage_image] =>[orig_patent_app_number] => 11203599 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/203599
Gas discharge lamp power supply Aug 11, 2005 Issued
Array ( [id] => 5811221 [patent_doc_number] => 20060082330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-20 [patent_title] => 'Ballast power supply' [patent_app_type] => utility [patent_app_number] => 11/202614 [patent_app_country] => US [patent_app_date] => 2005-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11255 [patent_no_of_claims] => 35 [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/A1/0082/20060082330.pdf [firstpage_image] =>[orig_patent_app_number] => 11202614 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/202614
Ballast power supply Aug 10, 2005 Issued
Array ( [id] => 353082 [patent_doc_number] => 07492108 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-02-17 [patent_title] => 'System and method for driving light-emitting diodes (LEDs)' [patent_app_type] => utility [patent_app_number] => 11/201505 [patent_app_country] => US [patent_app_date] => 2005-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4831 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/492/07492108.pdf [firstpage_image] =>[orig_patent_app_number] => 11201505 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/201505
System and method for driving light-emitting diodes (LEDs) Aug 10, 2005 Issued
Array ( [id] => 4783014 [patent_doc_number] => 20080136343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-12 [patent_title] => 'Resonant DC/AC inverter' [patent_app_type] => utility [patent_app_number] => 11/201999 [patent_app_country] => US [patent_app_date] => 2005-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6053 [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/A1/0136/20080136343.pdf [firstpage_image] =>[orig_patent_app_number] => 11201999 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/201999
Resonant DC/AC inverter Aug 10, 2005 Abandoned
Array ( [id] => 5383432 [patent_doc_number] => 20090224676 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-09-10 [patent_title] => 'LIGHT EMITTING DEVICE AND DRIVING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 11/573426 [patent_app_country] => US [patent_app_date] => 2005-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 14717 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0224/20090224676.pdf [firstpage_image] =>[orig_patent_app_number] => 11573426 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/573426
Light emitting device and driving method thereof Aug 9, 2005 Issued
Array ( [id] => 4635083 [patent_doc_number] => 08013537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-09-06 [patent_title] => 'Lighting system power adaptor' [patent_app_type] => utility [patent_app_number] => 11/660725 [patent_app_country] => US [patent_app_date] => 2005-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6592 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/013/08013537.pdf [firstpage_image] =>[orig_patent_app_number] => 11660725 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/660725
Lighting system power adaptor Aug 7, 2005 Issued
Array ( [id] => 7230801 [patent_doc_number] => 20050269975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-08 [patent_title] => 'LCD back light panel lamp connecting structure' [patent_app_type] => utility [patent_app_number] => 11/197440 [patent_app_country] => US [patent_app_date] => 2005-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1606 [patent_no_of_claims] => 3 [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/A1/0269/20050269975.pdf [firstpage_image] =>[orig_patent_app_number] => 11197440 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/197440
LCD back light panel lamp connecting structure Aug 4, 2005 Issued
Array ( [id] => 5878514 [patent_doc_number] => 20060028152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-09 [patent_title] => 'Lighting apparatus for discharge lamp' [patent_app_type] => utility [patent_app_number] => 11/196411 [patent_app_country] => US [patent_app_date] => 2005-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4173 [patent_no_of_claims] => 11 [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/A1/0028/20060028152.pdf [firstpage_image] =>[orig_patent_app_number] => 11196411 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/196411
Lighting apparatus for discharge lamp Aug 3, 2005 Issued
Array ( [id] => 408963 [patent_doc_number] => 07285916 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-23 [patent_title] => 'Multi chamber plasma process system' [patent_app_type] => utility [patent_app_number] => 11/192414 [patent_app_country] => US [patent_app_date] => 2005-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 6875 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/285/07285916.pdf [firstpage_image] =>[orig_patent_app_number] => 11192414 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/192414
Multi chamber plasma process system Jul 28, 2005 Issued
Array ( [id] => 7230815 [patent_doc_number] => 20050269978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-08 [patent_title] => 'Systems and method for ignition and reignition of unstable electrical discharges' [patent_app_type] => utility [patent_app_number] => 11/186711 [patent_app_country] => US [patent_app_date] => 2005-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 18351 [patent_no_of_claims] => 25 [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/A1/0269/20050269978.pdf [firstpage_image] =>[orig_patent_app_number] => 11186711 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/186711
Systems and method for ignition and reignition of unstable electrical discharges Jul 20, 2005 Issued
Array ( [id] => 4992563 [patent_doc_number] => 20070007907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-11 [patent_title] => 'Auxiliary quartz lamp lighting system for electronic high intensity discharge lamp ballasts' [patent_app_type] => utility [patent_app_number] => 11/178785 [patent_app_country] => US [patent_app_date] => 2005-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4868 [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/A1/0007/20070007907.pdf [firstpage_image] =>[orig_patent_app_number] => 11178785 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/178785
Auxiliary quartz lamp lighting system for electronic high intensity discharge lamp ballasts Jul 10, 2005 Issued
Array ( [id] => 5099084 [patent_doc_number] => 20070182344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-09 [patent_title] => 'Lamp driver providing synchronization during commutation' [patent_app_type] => utility [patent_app_number] => 11/572230 [patent_app_country] => US [patent_app_date] => 2005-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1352 [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/A1/0182/20070182344.pdf [firstpage_image] =>[orig_patent_app_number] => 11572230 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/572230
Lamp driver providing synchronization during commutation Jul 7, 2005 Abandoned
Array ( [id] => 4992124 [patent_doc_number] => 20070007468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-11 [patent_title] => 'Inhomogeneous magnetic field cyclotron' [patent_app_type] => utility [patent_app_number] => 11/175722 [patent_app_country] => US [patent_app_date] => 2005-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 842 [patent_no_of_claims] => 13 [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/A1/0007/20070007468.pdf [firstpage_image] =>[orig_patent_app_number] => 11175722 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/175722
Inhomogeneous magnetic field cyclotron Jul 6, 2005 Abandoned
Array ( [id] => 270957 [patent_doc_number] => 07564193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-07-21 [patent_title] => 'DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp' [patent_app_type] => utility [patent_app_number] => 11/175488 [patent_app_country] => US [patent_app_date] => 2005-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 7313 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/564/07564193.pdf [firstpage_image] =>[orig_patent_app_number] => 11175488 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/175488
DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp Jul 5, 2005 Issued
Array ( [id] => 5139406 [patent_doc_number] => 20070001622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-04 [patent_title] => 'Balance transformer' [patent_app_type] => utility [patent_app_number] => 11/168514 [patent_app_country] => US [patent_app_date] => 2005-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2738 [patent_no_of_claims] => 11 [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/A1/0001/20070001622.pdf [firstpage_image] =>[orig_patent_app_number] => 11168514 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/168514
Balance transformer Jun 28, 2005 Abandoned
Array ( [id] => 5139405 [patent_doc_number] => 20070001621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-04 [patent_title] => 'Multiple lamp balance transformer and drive circuit' [patent_app_type] => utility [patent_app_number] => 11/168512 [patent_app_country] => US [patent_app_date] => 2005-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3259 [patent_no_of_claims] => 19 [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/A1/0001/20070001621.pdf [firstpage_image] =>[orig_patent_app_number] => 11168512 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/168512
Multiple lamp balance transformer and drive circuit Jun 28, 2005 Issued
Array ( [id] => 5599947 [patent_doc_number] => 20060290292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-28 [patent_title] => 'High pressure lamp with lamp flicker suppression and lamp voltage control' [patent_app_type] => utility [patent_app_number] => 11/166315 [patent_app_country] => US [patent_app_date] => 2005-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6119 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0290/20060290292.pdf [firstpage_image] =>[orig_patent_app_number] => 11166315 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/166315
High pressure lamp with lamp flicker suppression and lamp voltage control Jun 23, 2005 Issued
Array ( [id] => 7592765 [patent_doc_number] => 07652437 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-26 [patent_title] => 'Fluorescent tube lamp drive circuit' [patent_app_type] => utility [patent_app_number] => 11/570899 [patent_app_country] => US [patent_app_date] => 2005-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4179 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/652/07652437.pdf [firstpage_image] =>[orig_patent_app_number] => 11570899 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/570899
Fluorescent tube lamp drive circuit Jun 22, 2005 Issued
Array ( [id] => 5600871 [patent_doc_number] => 20060291216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-12-28 [patent_title] => 'Apparatus for reducing in size an igniter circuit and assembly' [patent_app_type] => utility [patent_app_number] => 11/151768 [patent_app_country] => US [patent_app_date] => 2005-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2521 [patent_no_of_claims] => 20 [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/A1/0291/20060291216.pdf [firstpage_image] =>[orig_patent_app_number] => 11151768 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/151768
Apparatus for reducing in size an igniter circuit and assembly Jun 13, 2005 Abandoned
Array ( [id] => 901116 [patent_doc_number] => 07339324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-03-04 [patent_title] => 'Electron emission device and electron emission display using the same' [patent_app_type] => utility [patent_app_number] => 11/138218 [patent_app_country] => US [patent_app_date] => 2005-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 6026 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/339/07339324.pdf [firstpage_image] =>[orig_patent_app_number] => 11138218 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/138218
Electron emission device and electron emission display using the same May 24, 2005 Issued
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