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] => 4096800 [patent_doc_number] => 06055403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Fixing member fixing apparatus and electrophotographic apparatus using them' [patent_app_type] => 1 [patent_app_number] => 9/236582 [patent_app_country] => US [patent_app_date] => 1999-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3015 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/055/06055403.pdf [firstpage_image] =>[orig_patent_app_number] => 236582 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/236582
Fixing member fixing apparatus and electrophotographic apparatus using them Jan 25, 1999 Issued
Array ( [id] => 3963117 [patent_doc_number] => 05983054 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Method and image forming apparatus for preventing the use of unsuitable process cartridges' [patent_app_type] => 1 [patent_app_number] => 9/233063 [patent_app_country] => US [patent_app_date] => 1999-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2885 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/983/05983054.pdf [firstpage_image] =>[orig_patent_app_number] => 233063 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/233063
Method and image forming apparatus for preventing the use of unsuitable process cartridges Jan 19, 1999 Issued
Array ( [id] => 3929503 [patent_doc_number] => 06002899 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-14 [patent_title] => 'Image conditioning/recharge apparatus for electrostatic printing systems using liquid development' [patent_app_type] => 1 [patent_app_number] => 9/232459 [patent_app_country] => US [patent_app_date] => 1999-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2601 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/002/06002899.pdf [firstpage_image] =>[orig_patent_app_number] => 232459 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/232459
Image conditioning/recharge apparatus for electrostatic printing systems using liquid development Jan 18, 1999 Issued
Array ( [id] => 4265614 [patent_doc_number] => 06137978 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-10-24 [patent_title] => 'Toner replenishing apparatus having a plurality of scraping members of differing capacities' [patent_app_type] => 1 [patent_app_number] => 9/231561 [patent_app_country] => US [patent_app_date] => 1999-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5916 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/137/06137978.pdf [firstpage_image] =>[orig_patent_app_number] => 231561 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/231561
Toner replenishing apparatus having a plurality of scraping members of differing capacities Jan 13, 1999 Issued
Array ( [id] => 3958116 [patent_doc_number] => 05974282 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'Image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 9/228985 [patent_app_country] => US [patent_app_date] => 1999-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 7667 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/974/05974282.pdf [firstpage_image] =>[orig_patent_app_number] => 228985 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/228985
Image forming apparatus Jan 11, 1999 Issued
Array ( [id] => 4082186 [patent_doc_number] => 06009299 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Electrophotographic imaging apparatus using multi-layered toner' [patent_app_type] => 1 [patent_app_number] => 9/224298 [patent_app_country] => US [patent_app_date] => 1998-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 16935 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/009/06009299.pdf [firstpage_image] =>[orig_patent_app_number] => 224298 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/224298
Electrophotographic imaging apparatus using multi-layered toner Dec 30, 1998 Issued
Array ( [id] => 1473903 [patent_doc_number] => 06408141 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Image forming apparatus having a system for determining the status of a mountable printer processing cartridge' [patent_app_type] => B1 [patent_app_number] => 09/221842 [patent_app_country] => US [patent_app_date] => 1998-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 5265 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/408/06408141.pdf [firstpage_image] =>[orig_patent_app_number] => 09221842 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/221842
Image forming apparatus having a system for determining the status of a mountable printer processing cartridge Dec 28, 1998 Issued
Array ( [id] => 4098584 [patent_doc_number] => 06018639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-25 [patent_title] => 'Magnetic sleeve for non-interactive agitated magnetic brush development' [patent_app_type] => 1 [patent_app_number] => 9/218671 [patent_app_country] => US [patent_app_date] => 1998-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3334 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/018/06018639.pdf [firstpage_image] =>[orig_patent_app_number] => 218671 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/218671
Magnetic sleeve for non-interactive agitated magnetic brush development Dec 21, 1998 Issued
Array ( [id] => 4372686 [patent_doc_number] => 06219502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-17 [patent_title] => 'Image formation apparatus for forming image on sheet according to input job' [patent_app_type] => 1 [patent_app_number] => 9/218417 [patent_app_country] => US [patent_app_date] => 1998-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 9447 [patent_no_of_claims] => 83 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/219/06219502.pdf [firstpage_image] =>[orig_patent_app_number] => 218417 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/218417
Image formation apparatus for forming image on sheet according to input job Dec 21, 1998 Issued
Array ( [id] => 4096893 [patent_doc_number] => 06055409 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Sheet pre-transfer device' [patent_app_type] => 1 [patent_app_number] => 9/216148 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2929 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/055/06055409.pdf [firstpage_image] =>[orig_patent_app_number] => 216148 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/216148
Sheet pre-transfer device Dec 17, 1998 Issued
Array ( [id] => 3967341 [patent_doc_number] => 05999779 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Developing device for an image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 9/205719 [patent_app_country] => US [patent_app_date] => 1998-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3064 [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/05/999/05999779.pdf [firstpage_image] =>[orig_patent_app_number] => 205719 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/205719
Developing device for an image forming apparatus Dec 3, 1998 Issued
Array ( [id] => 4156968 [patent_doc_number] => 06061540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-09 [patent_title] => 'Developing device for an image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 9/205721 [patent_app_country] => US [patent_app_date] => 1998-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2224 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/061/06061540.pdf [firstpage_image] =>[orig_patent_app_number] => 205721 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/205721
Developing device for an image forming apparatus Dec 3, 1998 Issued
Array ( [id] => 4053504 [patent_doc_number] => 05995791 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-30 [patent_title] => 'Developing apparatus having a regulating member' [patent_app_type] => 1 [patent_app_number] => 9/201782 [patent_app_country] => US [patent_app_date] => 1998-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 6798 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/995/05995791.pdf [firstpage_image] =>[orig_patent_app_number] => 201782 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/201782
Developing apparatus having a regulating member Nov 30, 1998 Issued
Array ( [id] => 3941506 [patent_doc_number] => 05946524 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Image forming apparatus and image density regulating method' [patent_app_type] => 1 [patent_app_number] => 9/201781 [patent_app_country] => US [patent_app_date] => 1998-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5047 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/946/05946524.pdf [firstpage_image] =>[orig_patent_app_number] => 201781 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/201781
Image forming apparatus and image density regulating method Nov 30, 1998 Issued
Array ( [id] => 4249569 [patent_doc_number] => 06075958 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-13 [patent_title] => 'Image forming apparatus with first and second openable covers' [patent_app_type] => 1 [patent_app_number] => 9/200773 [patent_app_country] => US [patent_app_date] => 1998-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2444 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/075/06075958.pdf [firstpage_image] =>[orig_patent_app_number] => 200773 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/200773
Image forming apparatus with first and second openable covers Nov 29, 1998 Issued
Array ( [id] => 4096650 [patent_doc_number] => 06055393 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Filtering system for removing toner from an air stream in a development housing' [patent_app_type] => 1 [patent_app_number] => 9/196605 [patent_app_country] => US [patent_app_date] => 1998-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2769 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/055/06055393.pdf [firstpage_image] =>[orig_patent_app_number] => 196605 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/196605
Filtering system for removing toner from an air stream in a development housing Nov 19, 1998 Issued
Array ( [id] => 4089947 [patent_doc_number] => 05966575 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-12 [patent_title] => 'Pneumatic spring for SED resistance brush commutator' [patent_app_type] => 1 [patent_app_number] => 9/196593 [patent_app_country] => US [patent_app_date] => 1998-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2650 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/966/05966575.pdf [firstpage_image] =>[orig_patent_app_number] => 196593 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/196593
Pneumatic spring for SED resistance brush commutator Nov 19, 1998 Issued
Array ( [id] => 3975281 [patent_doc_number] => 05937231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-10 [patent_title] => 'Fuser for reproduction apparatus with minimized temperature droop' [patent_app_type] => 1 [patent_app_number] => 9/197296 [patent_app_country] => US [patent_app_date] => 1998-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1870 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/937/05937231.pdf [firstpage_image] =>[orig_patent_app_number] => 197296 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/197296
Fuser for reproduction apparatus with minimized temperature droop Nov 19, 1998 Issued
Array ( [id] => 4222902 [patent_doc_number] => 06029039 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-22 [patent_title] => 'Retractable contact skive assembly for reproduction apparatus fuser rollers' [patent_app_type] => 1 [patent_app_number] => 9/197259 [patent_app_country] => US [patent_app_date] => 1998-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2200 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/029/06029039.pdf [firstpage_image] =>[orig_patent_app_number] => 197259 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/197259
Retractable contact skive assembly for reproduction apparatus fuser rollers Nov 19, 1998 Issued
Array ( [id] => 4085850 [patent_doc_number] => 06070044 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-30 [patent_title] => 'Device for applying release agent to the surface of a fixing roller of an electrographic printer or copier' [patent_app_type] => 1 [patent_app_number] => 9/117319 [patent_app_country] => US [patent_app_date] => 1998-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2693 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/070/06070044.pdf [firstpage_image] =>[orig_patent_app_number] => 117319 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/117319
Device for applying release agent to the surface of a fixing roller of an electrographic printer or copier Nov 15, 1998 Issued
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