Search

Hoang X. Ngo

Examiner (ID: 10461, Phone: (571)272-2138 , Office: P/2852 )

Most Active Art Unit
2852
Art Unit(s)
2852, 2851
Total Applications
2724
Issued Applications
2564
Pending Applications
83
Abandoned Applications
93

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 5489827 [patent_doc_number] => 20090290898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-11-26 [patent_title] => 'SYSTEM AND METHOD FOR PREVENTING PARTICULATE MATTER DEPOSITION ON CONTACT SURFACES' [patent_app_type] => utility [patent_app_number] => 12/123696 [patent_app_country] => US [patent_app_date] => 2008-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4101 [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/A1/0290/20090290898.pdf [firstpage_image] =>[orig_patent_app_number] => 12123696 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/123696
System and method for preventing particulate matter deposition on contact surfaces May 19, 2008 Issued
Array ( [id] => 4534486 [patent_doc_number] => 07953352 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-05-31 [patent_title] => 'Movable metering skive for a development station of a reproduction apparatus' [patent_app_type] => utility [patent_app_number] => 12/118903 [patent_app_country] => US [patent_app_date] => 2008-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6126 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/953/07953352.pdf [firstpage_image] =>[orig_patent_app_number] => 12118903 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/118903
Movable metering skive for a development station of a reproduction apparatus May 11, 2008 Issued
Array ( [id] => 4739199 [patent_doc_number] => 20080232852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-25 [patent_title] => 'Image formation apparatus and photoreceptor cartridge' [patent_app_type] => utility [patent_app_number] => 12/149360 [patent_app_country] => US [patent_app_date] => 2008-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 25421 [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/A1/0232/20080232852.pdf [firstpage_image] =>[orig_patent_app_number] => 12149360 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/149360
Image formation apparatus and photoreceptor cartridge Apr 29, 2008 Issued
Array ( [id] => 219014 [patent_doc_number] => 07613415 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-11-03 [patent_title] => 'Process cartridge with component geometry suitable for recycle of same' [patent_app_type] => utility [patent_app_number] => 12/109895 [patent_app_country] => US [patent_app_date] => 2008-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 52 [patent_no_of_words] => 20346 [patent_no_of_claims] => 17 [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] => patents/07/613/07613415.pdf [firstpage_image] =>[orig_patent_app_number] => 12109895 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/109895
Process cartridge with component geometry suitable for recycle of same Apr 24, 2008 Issued
Array ( [id] => 5557533 [patent_doc_number] => 20090269110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-29 [patent_title] => 'TONER BRUSH WITH SUPERIMPOSED BRUSHES FOR AN ELECTRO-PHOTOGRAPHIC PRINTER AND PRINTER WITH THE TONER BRUSH' [patent_app_type] => utility [patent_app_number] => 12/107915 [patent_app_country] => US [patent_app_date] => 2008-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1820 [patent_no_of_claims] => 20 [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/A1/0269/20090269110.pdf [firstpage_image] =>[orig_patent_app_number] => 12107915 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/107915
Toner brush with superimposed brushes for an electro-photographic printer and printer with the toner brush Apr 22, 2008 Issued
Array ( [id] => 187813 [patent_doc_number] => 07646996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-12 [patent_title] => 'Image forming apparatus and control method thereof' [patent_app_type] => utility [patent_app_number] => 12/106905 [patent_app_country] => US [patent_app_date] => 2008-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6093 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/646/07646996.pdf [firstpage_image] =>[orig_patent_app_number] => 12106905 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/106905
Image forming apparatus and control method thereof Apr 20, 2008 Issued
Array ( [id] => 4949298 [patent_doc_number] => 20080305424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-11 [patent_title] => 'IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM PRODUCT' [patent_app_type] => utility [patent_app_number] => 12/104581 [patent_app_country] => US [patent_app_date] => 2008-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2037 [patent_no_of_claims] => 18 [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/A1/0305/20080305424.pdf [firstpage_image] =>[orig_patent_app_number] => 12104581 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/104581
Image forming apparatus, method, and computer program product, detecting temperature of a fixing unit Apr 16, 2008 Issued
Array ( [id] => 5322559 [patent_doc_number] => 20090060549 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-05 [patent_title] => 'FUSING SYSTEM AND CONTROL METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 12/060915 [patent_app_country] => US [patent_app_date] => 2008-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6956 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0060/20090060549.pdf [firstpage_image] =>[orig_patent_app_number] => 12060915 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/060915
Fusing system and control method thereof Apr 1, 2008 Issued
Array ( [id] => 115204 [patent_doc_number] => 07720424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-18 [patent_title] => 'Image forming apparatus and fixing device therefor' [patent_app_type] => utility [patent_app_number] => 12/079960 [patent_app_country] => US [patent_app_date] => 2008-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 8795 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/720/07720424.pdf [firstpage_image] =>[orig_patent_app_number] => 12079960 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/079960
Image forming apparatus and fixing device therefor Mar 30, 2008 Issued
Array ( [id] => 4662873 [patent_doc_number] => 20080253780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-16 [patent_title] => 'IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/056671 [patent_app_country] => US [patent_app_date] => 2008-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9535 [patent_no_of_claims] => 13 [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/A1/0253/20080253780.pdf [firstpage_image] =>[orig_patent_app_number] => 12056671 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/056671
Image forming apparatus with variable photoconductor charging and variable developing bias voltage Mar 26, 2008 Issued
Array ( [id] => 4764426 [patent_doc_number] => 20080175637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-24 [patent_title] => 'Image forming apparatus' [patent_app_type] => utility [patent_app_number] => 12/076641 [patent_app_country] => US [patent_app_date] => 2008-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 9601 [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/A1/0175/20080175637.pdf [firstpage_image] =>[orig_patent_app_number] => 12076641 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/076641
Image forming apparatus having lowered image forming position and recessed sheet stacking portion Mar 19, 2008 Issued
Array ( [id] => 4819791 [patent_doc_number] => 20080226366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-18 [patent_title] => 'IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/049952 [patent_app_country] => US [patent_app_date] => 2008-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3831 [patent_no_of_claims] => 6 [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/A1/0226/20080226366.pdf [firstpage_image] =>[orig_patent_app_number] => 12049952 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/049952
Image forming apparatus including a toner guide member Mar 16, 2008 Issued
Array ( [id] => 4819689 [patent_doc_number] => 20080226329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-18 [patent_title] => 'Image Forming System and Use Status Display Program' [patent_app_type] => utility [patent_app_number] => 12/047840 [patent_app_country] => US [patent_app_date] => 2008-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4876 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0226/20080226329.pdf [firstpage_image] =>[orig_patent_app_number] => 12047840 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/047840
Image forming system and use status display program Mar 12, 2008 Issued
Array ( [id] => 4739211 [patent_doc_number] => 20080232864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-25 [patent_title] => 'DEVELOPER SUPPLY ROLLER AND IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/046952 [patent_app_country] => US [patent_app_date] => 2008-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10393 [patent_no_of_claims] => 7 [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/A1/0232/20080232864.pdf [firstpage_image] =>[orig_patent_app_number] => 12046952 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/046952
Developer supply roller and image forming apparatus Mar 11, 2008 Issued
Array ( [id] => 4886084 [patent_doc_number] => 20080260416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-23 [patent_title] => 'IMAGE FORMING APPARATUS AND OPERATION SYSTEM FOR IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/044071 [patent_app_country] => US [patent_app_date] => 2008-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5309 [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/A1/0260/20080260416.pdf [firstpage_image] =>[orig_patent_app_number] => 12044071 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/044071
Power saving system for image forming apparatus and image forming apparatus operable in power saving modes Mar 6, 2008 Issued
Array ( [id] => 4879000 [patent_doc_number] => 20080152383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-26 [patent_title] => 'Imaging Cartridge Drive Having Entire Tooth Engagement' [patent_app_type] => utility [patent_app_number] => 12/043902 [patent_app_country] => US [patent_app_date] => 2008-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 44 [patent_no_of_words] => 7785 [patent_no_of_claims] => 3 [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/A1/0152/20080152383.pdf [firstpage_image] =>[orig_patent_app_number] => 12043902 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/043902
Imaging cartridge drive having entire tooth engagement Mar 5, 2008 Issued
Array ( [id] => 199914 [patent_doc_number] => 07639964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-29 [patent_title] => 'Imaging cartridge electrical contacts' [patent_app_type] => utility [patent_app_number] => 12/043886 [patent_app_country] => US [patent_app_date] => 2008-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 49 [patent_no_of_words] => 7785 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/639/07639964.pdf [firstpage_image] =>[orig_patent_app_number] => 12043886 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/043886
Imaging cartridge electrical contacts Mar 5, 2008 Issued
Array ( [id] => 4948733 [patent_doc_number] => 20080304859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-12-11 [patent_title] => 'Imaging Cartridge Drive with an External Ramp' [patent_app_type] => utility [patent_app_number] => 12/043896 [patent_app_country] => US [patent_app_date] => 2008-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 44 [patent_no_of_words] => 7786 [patent_no_of_claims] => 2 [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/A1/0304/20080304859.pdf [firstpage_image] =>[orig_patent_app_number] => 12043896 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/043896
Imaging cartridge drive with an external ramp Mar 5, 2008 Issued
Array ( [id] => 316253 [patent_doc_number] => 07526234 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-28 [patent_title] => 'Imaging cartridge drive with a tapered tooth guide' [patent_app_type] => utility [patent_app_number] => 12/043892 [patent_app_country] => US [patent_app_date] => 2008-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 49 [patent_no_of_words] => 7785 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/526/07526234.pdf [firstpage_image] =>[orig_patent_app_number] => 12043892 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/043892
Imaging cartridge drive with a tapered tooth guide Mar 5, 2008 Issued
Array ( [id] => 187824 [patent_doc_number] => 07647007 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-12 [patent_title] => 'Imaging cartridge drive with an internal ramp' [patent_app_type] => utility [patent_app_number] => 12/043900 [patent_app_country] => US [patent_app_date] => 2008-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 43 [patent_figures_cnt] => 49 [patent_no_of_words] => 7786 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/647/07647007.pdf [firstpage_image] =>[orig_patent_app_number] => 12043900 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/043900
Imaging cartridge drive with an internal ramp Mar 5, 2008 Issued
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