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] => 4697525 [patent_doc_number] => 20080219709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-11 [patent_title] => 'Toner Metering Apparatus' [patent_app_type] => utility [patent_app_number] => 11/682908 [patent_app_country] => US [patent_app_date] => 2007-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3303 [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/A1/0219/20080219709.pdf [firstpage_image] =>[orig_patent_app_number] => 11682908 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/682908
Toner metering apparatus Mar 6, 2007 Issued
Array ( [id] => 5258473 [patent_doc_number] => 20070212105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-13 [patent_title] => 'Electrification device, and image forming apparatus' [patent_app_type] => utility [patent_app_number] => 11/714172 [patent_app_country] => US [patent_app_date] => 2007-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4637 [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/A1/0212/20070212105.pdf [firstpage_image] =>[orig_patent_app_number] => 11714172 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/714172
Electrification device, and image forming apparatus Mar 5, 2007 Issued
Array ( [id] => 5258489 [patent_doc_number] => 20070212121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-13 [patent_title] => 'DEVELOPING DEVICE USING ELECTROSTATIC TRANSPORT & HOPPING (ETH)' [patent_app_type] => utility [patent_app_number] => 11/681940 [patent_app_country] => US [patent_app_date] => 2007-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 14659 [patent_no_of_claims] => 13 [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/A1/0212/20070212121.pdf [firstpage_image] =>[orig_patent_app_number] => 11681940 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/681940
Developing device using electrostatic transport and hopping (ETH) Mar 4, 2007 Issued
Array ( [id] => 207083 [patent_doc_number] => 07630655 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-08 [patent_title] => 'Image forming apparatus and developer remaining amount detecting method' [patent_app_type] => utility [patent_app_number] => 11/680056 [patent_app_country] => US [patent_app_date] => 2007-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 33 [patent_no_of_words] => 12258 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/630/07630655.pdf [firstpage_image] =>[orig_patent_app_number] => 11680056 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/680056
Image forming apparatus and developer remaining amount detecting method Feb 27, 2007 Issued
Array ( [id] => 5004332 [patent_doc_number] => 20070201900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-30 [patent_title] => 'Image forming apparatus and image carrier unit' [patent_app_type] => utility [patent_app_number] => 11/711609 [patent_app_country] => US [patent_app_date] => 2007-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8363 [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/A1/0201/20070201900.pdf [firstpage_image] =>[orig_patent_app_number] => 11711609 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/711609
Image forming apparatus and image carrier unit with gears for driving image carriers Feb 27, 2007 Issued
Array ( [id] => 5258495 [patent_doc_number] => 20070212127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-13 [patent_title] => 'Image forming apparatus' [patent_app_type] => utility [patent_app_number] => 11/711108 [patent_app_country] => US [patent_app_date] => 2007-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10362 [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/A1/0212/20070212127.pdf [firstpage_image] =>[orig_patent_app_number] => 11711108 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/711108
Image forming apparatus Feb 26, 2007 Issued
Array ( [id] => 226325 [patent_doc_number] => 07606518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-10-20 [patent_title] => 'Toner container and toner supply device using the same' [patent_app_type] => utility [patent_app_number] => 11/706394 [patent_app_country] => US [patent_app_date] => 2007-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 39 [patent_no_of_words] => 18344 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/606/07606518.pdf [firstpage_image] =>[orig_patent_app_number] => 11706394 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/706394
Toner container and toner supply device using the same Feb 14, 2007 Issued
Array ( [id] => 187836 [patent_doc_number] => 07647014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-12 [patent_title] => 'Pretransfer charging device and image forming apparatus including same' [patent_app_type] => utility [patent_app_number] => 11/704388 [patent_app_country] => US [patent_app_date] => 2007-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 27 [patent_no_of_words] => 31828 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/647/07647014.pdf [firstpage_image] =>[orig_patent_app_number] => 11704388 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/704388
Pretransfer charging device and image forming apparatus including same Feb 8, 2007 Issued
Array ( [id] => 350183 [patent_doc_number] => 07496307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-02-24 [patent_title] => 'Fixing device and electro-photographic recording apparatus using the same' [patent_app_type] => utility [patent_app_number] => 11/703724 [patent_app_country] => US [patent_app_date] => 2007-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5443 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/496/07496307.pdf [firstpage_image] =>[orig_patent_app_number] => 11703724 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/703724
Fixing device and electro-photographic recording apparatus using the same Feb 7, 2007 Issued
Array ( [id] => 4954339 [patent_doc_number] => 20080187363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-07 [patent_title] => 'Toner Cartridge Having Multiple Drives' [patent_app_type] => utility [patent_app_number] => 11/671094 [patent_app_country] => US [patent_app_date] => 2007-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2498 [patent_no_of_claims] => 20 [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/A1/0187/20080187363.pdf [firstpage_image] =>[orig_patent_app_number] => 11671094 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/671094
Toner Cartridge Having Multiple Drives Feb 4, 2007 Abandoned
Array ( [id] => 5004330 [patent_doc_number] => 20070201898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-30 [patent_title] => 'IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 11/668160 [patent_app_country] => US [patent_app_date] => 2007-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5603 [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/A1/0201/20070201898.pdf [firstpage_image] =>[orig_patent_app_number] => 11668160 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/668160
Image forming apparatus Jan 28, 2007 Issued
Array ( [id] => 205477 [patent_doc_number] => 07634204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-15 [patent_title] => 'Exchange unit and image forming apparatus having the same' [patent_app_type] => utility [patent_app_number] => 11/657527 [patent_app_country] => US [patent_app_date] => 2007-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 27 [patent_no_of_words] => 6955 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/634/07634204.pdf [firstpage_image] =>[orig_patent_app_number] => 11657527 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/657527
Exchange unit and image forming apparatus having the same Jan 24, 2007 Issued
Array ( [id] => 254012 [patent_doc_number] => 07580653 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-08-25 [patent_title] => 'Image forming unit and moving unit' [patent_app_type] => utility [patent_app_number] => 11/623477 [patent_app_country] => US [patent_app_date] => 2007-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 23 [patent_no_of_words] => 14337 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/580/07580653.pdf [firstpage_image] =>[orig_patent_app_number] => 11623477 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/623477
Image forming unit and moving unit Jan 15, 2007 Issued
Array ( [id] => 4796896 [patent_doc_number] => 20080008482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-10 [patent_title] => 'Image forming apparatus, method of recommending replacement of rotatable member, method of cleaning rotatable member and method of controlling image formation' [patent_app_type] => utility [patent_app_number] => 11/652026 [patent_app_country] => US [patent_app_date] => 2007-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7586 [patent_no_of_claims] => 18 [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/A1/0008/20080008482.pdf [firstpage_image] =>[orig_patent_app_number] => 11652026 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/652026
Image forming apparatus, method of recommending replacement of rotatable member, method of cleaning rotatable member and method of controlling image formation Jan 10, 2007 Issued
Array ( [id] => 5215440 [patent_doc_number] => 20070104520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-10 [patent_title] => 'IMAGE FORMING METHOD AND APPARATUS FOR FIXING AN IMAGE' [patent_app_type] => utility [patent_app_number] => 11/617327 [patent_app_country] => US [patent_app_date] => 2006-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9305 [patent_no_of_claims] => 14 [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/A1/0104/20070104520.pdf [firstpage_image] =>[orig_patent_app_number] => 11617327 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/617327
Image forming method and apparatus for fixing an image Dec 27, 2006 Issued
Array ( [id] => 5215433 [patent_doc_number] => 20070104513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-10 [patent_title] => 'METHOD AND APPARATUS FOR ELECTRO PHOTOGRAPHIC IMAGE FORMING CAPABLE OF EFFECTIVELY PERFORMING AN EVENLY CHARGING OPERATION' [patent_app_type] => utility [patent_app_number] => 11/616200 [patent_app_country] => US [patent_app_date] => 2006-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10329 [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/A1/0104/20070104513.pdf [firstpage_image] =>[orig_patent_app_number] => 11616200 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/616200
Method and apparatus for electro photographic image forming capable of effectively performing an evenly charging operation Dec 25, 2006 Issued
Array ( [id] => 85203 [patent_doc_number] => 07747184 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-29 [patent_title] => 'Method of using biased charging/transfer roller as in-situ voltmeter and photoreceptor thickness detector and method of adjusting xerographic process with results' [patent_app_type] => utility [patent_app_number] => 11/644277 [patent_app_country] => US [patent_app_date] => 2006-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6427 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/747/07747184.pdf [firstpage_image] =>[orig_patent_app_number] => 11644277 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/644277
Method of using biased charging/transfer roller as in-situ voltmeter and photoreceptor thickness detector and method of adjusting xerographic process with results Dec 21, 2006 Issued
Array ( [id] => 5033916 [patent_doc_number] => 20070098455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-03 [patent_title] => 'APPARATUS FOR IMAGE FORMING AND IMAGE DEVELOPING WITH AN IMPROVEMENT OF TONER CONTAINER HOLDING' [patent_app_type] => utility [patent_app_number] => 11/612967 [patent_app_country] => US [patent_app_date] => 2006-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8449 [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/A1/0098/20070098455.pdf [firstpage_image] =>[orig_patent_app_number] => 11612967 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/612967
Apparatus for image forming and image developing with an improvement of toner container holding Dec 18, 2006 Issued
Array ( [id] => 4932237 [patent_doc_number] => 20080003012 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-03 [patent_title] => 'Cleaning device and image forming device' [patent_app_type] => utility [patent_app_number] => 11/640343 [patent_app_country] => US [patent_app_date] => 2006-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6651 [patent_no_of_claims] => 16 [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/A1/0003/20080003012.pdf [firstpage_image] =>[orig_patent_app_number] => 11640343 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/640343
Cleaning device and image forming device Dec 17, 2006 Issued
Array ( [id] => 5219087 [patent_doc_number] => 20070160398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'Fixing unit for electrophotographic image forming apparatus' [patent_app_type] => utility [patent_app_number] => 11/639294 [patent_app_country] => US [patent_app_date] => 2006-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3105 [patent_no_of_claims] => 16 [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/A1/0160/20070160398.pdf [firstpage_image] =>[orig_patent_app_number] => 11639294 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/639294
Fixing unit for electrophotographic image forming apparatus Dec 14, 2006 Abandoned
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