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] => 4113419 [patent_doc_number] => 06067433 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-23 [patent_title] => 'Developing apparatus for regulating the amount of developer in the vicinity of repulsive magnetic pole' [patent_app_type] => 1 [patent_app_number] => 9/110019 [patent_app_country] => US [patent_app_date] => 1998-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5031 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/067/06067433.pdf [firstpage_image] =>[orig_patent_app_number] => 110019 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/110019
Developing apparatus for regulating the amount of developer in the vicinity of repulsive magnetic pole Jul 1, 1998 Issued
Array ( [id] => 4237266 [patent_doc_number] => 06011943 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-04 [patent_title] => 'Ink delivery system for liquid electrophotographic printer' [patent_app_type] => 1 [patent_app_number] => 9/107445 [patent_app_country] => US [patent_app_date] => 1998-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3686 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/011/06011943.pdf [firstpage_image] =>[orig_patent_app_number] => 107445 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/107445
Ink delivery system for liquid electrophotographic printer Jun 29, 1998 Issued
Array ( [id] => 3956225 [patent_doc_number] => 05930558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'Heated air blower for reducing humidity absorption in paper' [patent_app_type] => 1 [patent_app_number] => 9/105385 [patent_app_country] => US [patent_app_date] => 1998-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1069 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/930/05930558.pdf [firstpage_image] =>[orig_patent_app_number] => 105385 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/105385
Heated air blower for reducing humidity absorption in paper Jun 25, 1998 Issued
Array ( [id] => 4082134 [patent_doc_number] => 06009295 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Developing apparatus' [patent_app_type] => 1 [patent_app_number] => 9/100947 [patent_app_country] => US [patent_app_date] => 1998-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 7074 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/009/06009295.pdf [firstpage_image] =>[orig_patent_app_number] => 100947 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/100947
Developing apparatus Jun 21, 1998 Issued
Array ( [id] => 3952340 [patent_doc_number] => 05940666 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-17 [patent_title] => 'Liquid electrophotographic printer having liquid carrier recovery apparatus' [patent_app_type] => 1 [patent_app_number] => 9/097827 [patent_app_country] => US [patent_app_date] => 1998-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1547 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/940/05940666.pdf [firstpage_image] =>[orig_patent_app_number] => 097827 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/097827
Liquid electrophotographic printer having liquid carrier recovery apparatus Jun 15, 1998 Issued
Array ( [id] => 3941532 [patent_doc_number] => 05946526 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Method and device for controlling temperature of heating source of image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 9/093309 [patent_app_country] => US [patent_app_date] => 1998-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3771 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/946/05946526.pdf [firstpage_image] =>[orig_patent_app_number] => 093309 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/093309
Method and device for controlling temperature of heating source of image forming apparatus Jun 8, 1998 Issued
09/090932 CARRIER RECOVERY APPARATUS OF LIQUID ELECTROPHOTOGRAPHIC PRINTER Jun 4, 1998 Abandoned
Array ( [id] => 3996629 [patent_doc_number] => 05911101 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-08 [patent_title] => 'Photoreceptor belt cleaning apparatus of liquid electrophotographic printer' [patent_app_type] => 1 [patent_app_number] => 9/088483 [patent_app_country] => US [patent_app_date] => 1998-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3149 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/911/05911101.pdf [firstpage_image] =>[orig_patent_app_number] => 088483 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/088483
Photoreceptor belt cleaning apparatus of liquid electrophotographic printer Jun 1, 1998 Issued
Array ( [id] => 4235671 [patent_doc_number] => 06088557 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-11 [patent_title] => 'Electrostatographic printing apparatus with endless recording belt' [patent_app_type] => 1 [patent_app_number] => 9/087856 [patent_app_country] => US [patent_app_date] => 1998-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4925 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/088/06088557.pdf [firstpage_image] =>[orig_patent_app_number] => 087856 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/087856
Electrostatographic printing apparatus with endless recording belt May 31, 1998 Issued
Array ( [id] => 3944822 [patent_doc_number] => 05953573 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Electrophotographic printer' [patent_app_type] => 1 [patent_app_number] => 9/084446 [patent_app_country] => US [patent_app_date] => 1998-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1810 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/953/05953573.pdf [firstpage_image] =>[orig_patent_app_number] => 084446 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/084446
Electrophotographic printer May 26, 1998 Issued
Array ( [id] => 4198842 [patent_doc_number] => 06109746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Delivering mixed inks to an intermediate transfer roller' [patent_app_type] => 1 [patent_app_number] => 9/084665 [patent_app_country] => US [patent_app_date] => 1998-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2976 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/109/06109746.pdf [firstpage_image] =>[orig_patent_app_number] => 084665 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/084665
Delivering mixed inks to an intermediate transfer roller May 25, 1998 Issued
Array ( [id] => 4100792 [patent_doc_number] => 06045213 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-04 [patent_title] => 'Ink jet head having an improved coating in an ink pressure chamber and a method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 9/082611 [patent_app_country] => US [patent_app_date] => 1998-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3190 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/045/06045213.pdf [firstpage_image] =>[orig_patent_app_number] => 082611 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/082611
Ink jet head having an improved coating in an ink pressure chamber and a method of manufacturing the same May 19, 1998 Issued
Array ( [id] => 4336051 [patent_doc_number] => 06290350 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-09-18 [patent_title] => 'Image forming apparatus having support means for supporting discharged sheets' [patent_app_type] => 1 [patent_app_number] => 9/075216 [patent_app_country] => US [patent_app_date] => 1998-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 4379 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/290/06290350.pdf [firstpage_image] =>[orig_patent_app_number] => 075216 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/075216
Image forming apparatus having support means for supporting discharged sheets May 10, 1998 Issued
Array ( [id] => 4201033 [patent_doc_number] => 06151467 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-21 [patent_title] => 'Developing apparatus' [patent_app_type] => 1 [patent_app_number] => 9/060318 [patent_app_country] => US [patent_app_date] => 1998-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3438 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/151/06151467.pdf [firstpage_image] =>[orig_patent_app_number] => 060318 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/060318
Developing apparatus Apr 14, 1998 Issued
Array ( [id] => 4148261 [patent_doc_number] => 06035152 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Method for measurement of tone reproduction curve' [patent_app_type] => 1 [patent_app_number] => 9/057927 [patent_app_country] => US [patent_app_date] => 1998-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4614 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/035/06035152.pdf [firstpage_image] =>[orig_patent_app_number] => 057927 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/057927
Method for measurement of tone reproduction curve Apr 8, 1998 Issued
Array ( [id] => 3896606 [patent_doc_number] => 06000774 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-14 [patent_title] => 'Mailing machine including ink jet operation checking for prevention of loss of postal funds' [patent_app_type] => 1 [patent_app_number] => 9/046902 [patent_app_country] => US [patent_app_date] => 1998-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4866 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/000/06000774.pdf [firstpage_image] =>[orig_patent_app_number] => 046902 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/046902
Mailing machine including ink jet operation checking for prevention of loss of postal funds Mar 23, 1998 Issued
Array ( [id] => 4158146 [patent_doc_number] => 06082850 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-04 [patent_title] => 'Apparatus and method for controlling print density in a direct electrostatic printing apparatus by adjusting toner flow with regard to relative positioning of rows of apertures' [patent_app_type] => 1 [patent_app_number] => 9/044617 [patent_app_country] => US [patent_app_date] => 1998-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 11297 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/082/06082850.pdf [firstpage_image] =>[orig_patent_app_number] => 044617 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/044617
Apparatus and method for controlling print density in a direct electrostatic printing apparatus by adjusting toner flow with regard to relative positioning of rows of apertures Mar 18, 1998 Issued
Array ( [id] => 4138728 [patent_doc_number] => 06102536 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Method and apparatus for printing images on a web of packaging material' [patent_app_type] => 1 [patent_app_number] => 9/039652 [patent_app_country] => US [patent_app_date] => 1998-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 3207 [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/06/102/06102536.pdf [firstpage_image] =>[orig_patent_app_number] => 039652 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/039652
Method and apparatus for printing images on a web of packaging material Mar 15, 1998 Issued
Array ( [id] => 4220739 [patent_doc_number] => 06074046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-13 [patent_title] => 'Printer apparatus capable of varying direction of an ink droplet to be ejected therefrom and method therefor' [patent_app_type] => 1 [patent_app_number] => 9/036012 [patent_app_country] => US [patent_app_date] => 1998-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 21 [patent_no_of_words] => 6107 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/074/06074046.pdf [firstpage_image] =>[orig_patent_app_number] => 036012 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/036012
Printer apparatus capable of varying direction of an ink droplet to be ejected therefrom and method therefor Mar 5, 1998 Issued
Array ( [id] => 4222310 [patent_doc_number] => 06089689 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-18 [patent_title] => 'Ink ejection control method and apparatus for use with ink jet printer' [patent_app_type] => 1 [patent_app_number] => 9/033861 [patent_app_country] => US [patent_app_date] => 1998-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5067 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/089/06089689.pdf [firstpage_image] =>[orig_patent_app_number] => 033861 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/033861
Ink ejection control method and apparatus for use with ink jet printer Mar 2, 1998 Issued
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