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] => 4345890 [patent_doc_number] => 06321050 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-20 [patent_title] => 'Image developing device with sealing members for preventing toner leakage' [patent_app_type] => 1 [patent_app_number] => 9/615408 [patent_app_country] => US [patent_app_date] => 2000-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 64 [patent_no_of_words] => 12494 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/321/06321050.pdf [firstpage_image] =>[orig_patent_app_number] => 615408 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/615408
Image developing device with sealing members for preventing toner leakage Jul 12, 2000 Issued
Array ( [id] => 1417779 [patent_doc_number] => 06542703 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-04-01 [patent_title] => 'Method for improving the print quality of an image forming apparatus' [patent_app_type] => B1 [patent_app_number] => 09/611960 [patent_app_country] => US [patent_app_date] => 2000-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2864 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/542/06542703.pdf [firstpage_image] =>[orig_patent_app_number] => 09611960 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/611960
Method for improving the print quality of an image forming apparatus Jul 5, 2000 Issued
Array ( [id] => 1525998 [patent_doc_number] => 06353726 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-05 [patent_title] => 'Sheet processing apparatus with control of sheet conveyance based on skew amount, control method, image forming apparatus, and storage medium' [patent_app_type] => B1 [patent_app_number] => 09/610375 [patent_app_country] => US [patent_app_date] => 2000-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 41 [patent_no_of_words] => 20072 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/353/06353726.pdf [firstpage_image] =>[orig_patent_app_number] => 09610375 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/610375
Sheet processing apparatus with control of sheet conveyance based on skew amount, control method, image forming apparatus, and storage medium Jul 4, 2000 Issued
Array ( [id] => 1473942 [patent_doc_number] => 06408154 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-18 [patent_title] => 'Method and apparatus for enhancing electrostatic images' [patent_app_type] => B1 [patent_app_number] => 09/606584 [patent_app_country] => US [patent_app_date] => 2000-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2112 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/408/06408154.pdf [firstpage_image] =>[orig_patent_app_number] => 09606584 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/606584
Method and apparatus for enhancing electrostatic images Jun 28, 2000 Issued
Array ( [id] => 1568182 [patent_doc_number] => 06339688 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-15 [patent_title] => 'Air filtering apparatus of liquid electrophotographic printer' [patent_app_type] => B1 [patent_app_number] => 09/604982 [patent_app_country] => US [patent_app_date] => 2000-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3200 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/339/06339688.pdf [firstpage_image] =>[orig_patent_app_number] => 09604982 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/604982
Air filtering apparatus of liquid electrophotographic printer Jun 27, 2000 Issued
Array ( [id] => 4348248 [patent_doc_number] => 06314262 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-06 [patent_title] => 'Toner supply system and toner cartridge' [patent_app_type] => 1 [patent_app_number] => 9/604533 [patent_app_country] => US [patent_app_date] => 2000-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 48 [patent_no_of_words] => 17651 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/314/06314262.pdf [firstpage_image] =>[orig_patent_app_number] => 604533 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/604533
Toner supply system and toner cartridge Jun 26, 2000 Issued
Array ( [id] => 1553061 [patent_doc_number] => 06347206 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-12 [patent_title] => 'Image forming apparatus capable of forming images on both faces of recording materials' [patent_app_type] => B1 [patent_app_number] => 09/599949 [patent_app_country] => US [patent_app_date] => 2000-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5082 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/347/06347206.pdf [firstpage_image] =>[orig_patent_app_number] => 09599949 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/599949
Image forming apparatus capable of forming images on both faces of recording materials Jun 22, 2000 Issued
Array ( [id] => 1443434 [patent_doc_number] => 06336014 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-01 [patent_title] => 'Image developing device with sealing members for preventing toner leakage' [patent_app_type] => B1 [patent_app_number] => 09/597276 [patent_app_country] => US [patent_app_date] => 2000-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 35 [patent_no_of_words] => 10762 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/336/06336014.pdf [firstpage_image] =>[orig_patent_app_number] => 09597276 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/597276
Image developing device with sealing members for preventing toner leakage Jun 18, 2000 Issued
Array ( [id] => 1566347 [patent_doc_number] => 06363233 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-26 [patent_title] => 'Compact toner cartridge with fresh and waste toner chambers' [patent_app_type] => B1 [patent_app_number] => 09/592822 [patent_app_country] => US [patent_app_date] => 2000-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 40 [patent_no_of_words] => 7401 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/363/06363233.pdf [firstpage_image] =>[orig_patent_app_number] => 09592822 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/592822
Compact toner cartridge with fresh and waste toner chambers Jun 12, 2000 Issued
Array ( [id] => 1571229 [patent_doc_number] => 06377765 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-23 [patent_title] => 'Means for independently changing a latent image carrier unit and a developing unit in an image forming unit' [patent_app_type] => B1 [patent_app_number] => 09/589175 [patent_app_country] => US [patent_app_date] => 2000-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 36 [patent_no_of_words] => 9415 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/377/06377765.pdf [firstpage_image] =>[orig_patent_app_number] => 09589175 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/589175
Means for independently changing a latent image carrier unit and a developing unit in an image forming unit Jun 7, 2000 Issued
Array ( [id] => 7635245 [patent_doc_number] => 06381419 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-04-30 [patent_title] => 'Image forming apparatus with developer density and developer remaining amount detection features' [patent_app_type] => B1 [patent_app_number] => 09/588735 [patent_app_country] => US [patent_app_date] => 2000-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4859 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/381/06381419.pdf [firstpage_image] =>[orig_patent_app_number] => 09588735 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/588735
Image forming apparatus with developer density and developer remaining amount detection features Jun 6, 2000 Issued
Array ( [id] => 4321577 [patent_doc_number] => 06327444 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-04 [patent_title] => 'Fixing device and heating volume regulating method for an image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 9/587278 [patent_app_country] => US [patent_app_date] => 2000-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 9308 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/327/06327444.pdf [firstpage_image] =>[orig_patent_app_number] => 587278 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/587278
Fixing device and heating volume regulating method for an image forming apparatus Jun 4, 2000 Issued
Array ( [id] => 4321670 [patent_doc_number] => 06327451 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-04 [patent_title] => 'Development device for use with an electrophotographic image-forming device' [patent_app_type] => 1 [patent_app_number] => 9/583561 [patent_app_country] => US [patent_app_date] => 2000-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 7277 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/327/06327451.pdf [firstpage_image] =>[orig_patent_app_number] => 583561 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/583561
Development device for use with an electrophotographic image-forming device May 30, 2000 Issued
Array ( [id] => 4295006 [patent_doc_number] => 06282384 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Developing device, process cartridge and electrophotographic image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 9/577874 [patent_app_country] => US [patent_app_date] => 2000-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 5883 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/282/06282384.pdf [firstpage_image] =>[orig_patent_app_number] => 577874 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/577874
Developing device, process cartridge and electrophotographic image forming apparatus May 24, 2000 Issued
Array ( [id] => 4308390 [patent_doc_number] => 06236817 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Color image printing apparatus' [patent_app_type] => 1 [patent_app_number] => 9/576177 [patent_app_country] => US [patent_app_date] => 2000-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3146 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/236/06236817.pdf [firstpage_image] =>[orig_patent_app_number] => 576177 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/576177
Color image printing apparatus May 22, 2000 Issued
Array ( [id] => 4384621 [patent_doc_number] => 06275665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-14 [patent_title] => 'Developing device, process cartridge and electrophotographic image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 9/576534 [patent_app_country] => US [patent_app_date] => 2000-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 9180 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/275/06275665.pdf [firstpage_image] =>[orig_patent_app_number] => 576534 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/576534
Developing device, process cartridge and electrophotographic image forming apparatus May 22, 2000 Issued
Array ( [id] => 4422468 [patent_doc_number] => 06229977 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Developer container' [patent_app_type] => 1 [patent_app_number] => 9/577432 [patent_app_country] => US [patent_app_date] => 2000-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 543 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/229/06229977.pdf [firstpage_image] =>[orig_patent_app_number] => 577432 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/577432
Developer container May 21, 2000 Issued
Array ( [id] => 1099841 [patent_doc_number] => 06823165 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-11-23 [patent_title] => 'Method and apparatus for applying a constant load to a roller' [patent_app_type] => B1 [patent_app_number] => 09/575077 [patent_app_country] => US [patent_app_date] => 2000-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 6136 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/823/06823165.pdf [firstpage_image] =>[orig_patent_app_number] => 09575077 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/575077
Method and apparatus for applying a constant load to a roller May 18, 2000 Issued
Array ( [id] => 4287022 [patent_doc_number] => 06308030 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Method and apparatus for supporting a drum for loading and unloading from a copier and/or printer apparatus' [patent_app_type] => 1 [patent_app_number] => 9/575043 [patent_app_country] => US [patent_app_date] => 2000-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 5962 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/308/06308030.pdf [firstpage_image] =>[orig_patent_app_number] => 575043 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/575043
Method and apparatus for supporting a drum for loading and unloading from a copier and/or printer apparatus May 18, 2000 Issued
Array ( [id] => 4422427 [patent_doc_number] => 06229973 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-08 [patent_title] => 'Developer container' [patent_app_type] => 1 [patent_app_number] => 9/574584 [patent_app_country] => US [patent_app_date] => 2000-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1040 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/229/06229973.pdf [firstpage_image] =>[orig_patent_app_number] => 574584 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/574584
Developer container May 16, 2000 Issued
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