Search

Hafizur Rahman

Examiner (ID: 2173, Phone: (571)270-0659 , Office: P/2842 )

Most Active Art Unit
2843
Art Unit(s)
2842, 2843
Total Applications
899
Issued Applications
763
Pending Applications
110
Abandoned Applications
44

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 8220310 [patent_doc_number] => 20120134705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-31 [patent_title] => 'SWITCHING POWER SUPPLY DEVICE AND IMAGE FORMING APPARATUS WITH SWITCHING POWER SUPPLY DEVICE' [patent_app_type] => utility [patent_app_number] => 13/298082 [patent_app_country] => US [patent_app_date] => 2011-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8506 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13298082 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/298082
Switching power supply device and image forming apparatus with switching power supply device Nov 15, 2011 Issued
Array ( [id] => 9288403 [patent_doc_number] => 08644750 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-04 [patent_title] => 'Fixing device including resistor layers having volume resistivity and image forming apparatus having fixing device' [patent_app_type] => utility [patent_app_number] => 13/292515 [patent_app_country] => US [patent_app_date] => 2011-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 12129 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13292515 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/292515
Fixing device including resistor layers having volume resistivity and image forming apparatus having fixing device Nov 8, 2011 Issued
Array ( [id] => 9577766 [patent_doc_number] => 08768198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-01 [patent_title] => 'Image forming apparatus with cooling unit' [patent_app_type] => utility [patent_app_number] => 13/278394 [patent_app_country] => US [patent_app_date] => 2011-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6932 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13278394 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/278394
Image forming apparatus with cooling unit Oct 20, 2011 Issued
Array ( [id] => 9076529 [patent_doc_number] => 08554117 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-08 [patent_title] => 'Toner cartridge with shutter opening/closing and image forming apparatus using the same' [patent_app_type] => utility [patent_app_number] => 13/188563 [patent_app_country] => US [patent_app_date] => 2011-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 8781 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 350 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13188563 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/188563
Toner cartridge with shutter opening/closing and image forming apparatus using the same Jul 21, 2011 Issued
Array ( [id] => 7754054 [patent_doc_number] => 20120027447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'HIGH-VOLTAGE GENERATION APPARATUS AND IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/189073 [patent_app_country] => US [patent_app_date] => 2011-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 15479 [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/A1/0027/20120027447.pdf [firstpage_image] =>[orig_patent_app_number] => 13189073 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/189073
HIGH-VOLTAGE GENERATION APPARATUS AND IMAGE FORMING APPARATUS Jul 21, 2011 Abandoned
Array ( [id] => 9022554 [patent_doc_number] => 08532546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-10 [patent_title] => 'Developer supply device and image forming apparatus having the same' [patent_app_type] => utility [patent_app_number] => 13/187973 [patent_app_country] => US [patent_app_date] => 2011-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 9569 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13187973 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/187973
Developer supply device and image forming apparatus having the same Jul 20, 2011 Issued
Array ( [id] => 7719647 [patent_doc_number] => 20120008982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-12 [patent_title] => 'IMAGE FORMING APPARATUS TO CHARGE PHOTORECEPTOR IN NON-CONTACT MANNER AND CHARGING MEMBER' [patent_app_type] => utility [patent_app_number] => 13/177672 [patent_app_country] => US [patent_app_date] => 2011-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3206 [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/A1/0008/20120008982.pdf [firstpage_image] =>[orig_patent_app_number] => 13177672 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/177672
IMAGE FORMING APPARATUS TO CHARGE PHOTORECEPTOR IN NON-CONTACT MANNER AND CHARGING MEMBER Jul 6, 2011 Abandoned
Array ( [id] => 7731036 [patent_doc_number] => 20120014703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'IMAGE FORMING SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/176348 [patent_app_country] => US [patent_app_date] => 2011-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 16227 [patent_no_of_claims] => 15 [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/A1/0014/20120014703.pdf [firstpage_image] =>[orig_patent_app_number] => 13176348 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/176348
Image forming system for improved image formation on both sides of a recording medium Jul 4, 2011 Issued
Array ( [id] => 9506000 [patent_doc_number] => 08744324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-03 [patent_title] => 'Semiconductive roller, toner transport roller and electrophotographic apparatus' [patent_app_type] => utility [patent_app_number] => 13/175001 [patent_app_country] => US [patent_app_date] => 2011-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 12581 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13175001 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/175001
Semiconductive roller, toner transport roller and electrophotographic apparatus Jun 30, 2011 Issued
Array ( [id] => 7661999 [patent_doc_number] => 20110311268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-22 [patent_title] => 'IMAGE FORMING APPARATUS AND TRANSPORT TOOL FOR THE SAME' [patent_app_type] => utility [patent_app_number] => 13/166191 [patent_app_country] => US [patent_app_date] => 2011-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6919 [patent_no_of_claims] => 37 [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/A1/0311/20110311268.pdf [firstpage_image] =>[orig_patent_app_number] => 13166191 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/166191
Image forming apparatus with transport tool for separating a first roller and a second roller of a feed roller unit during transport of the image forming apparatus Jun 21, 2011 Issued
Array ( [id] => 7661991 [patent_doc_number] => 20110311260 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-22 [patent_title] => 'SWITCHING POWER SOURCE AND IMAGE FORMING APPARATUS HAVING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/164516 [patent_app_country] => US [patent_app_date] => 2011-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7198 [patent_no_of_claims] => 10 [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/A1/0311/20110311260.pdf [firstpage_image] =>[orig_patent_app_number] => 13164516 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/164516
Switching power source and image forming apparatus having the same Jun 19, 2011 Issued
Array ( [id] => 7661984 [patent_doc_number] => 20110311253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-22 [patent_title] => 'IMAGE FORMING APPARATUS AND IMAGE FORMATION PROCESSING METHOD' [patent_app_type] => utility [patent_app_number] => 13/164083 [patent_app_country] => US [patent_app_date] => 2011-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5229 [patent_no_of_claims] => 18 [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/A1/0311/20110311253.pdf [firstpage_image] =>[orig_patent_app_number] => 13164083 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/164083
IMAGE FORMING APPARATUS AND IMAGE FORMATION PROCESSING METHOD Jun 19, 2011 Abandoned
Array ( [id] => 9142524 [patent_doc_number] => 08583002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-12 [patent_title] => 'Powder container, cleaning device, and image forming apparatus including sealing member' [patent_app_type] => utility [patent_app_number] => 13/156090 [patent_app_country] => US [patent_app_date] => 2011-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5010 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13156090 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/156090
Powder container, cleaning device, and image forming apparatus including sealing member Jun 7, 2011 Issued
Array ( [id] => 8239573 [patent_doc_number] => 20120148314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-14 [patent_title] => 'Developing unit and image forming apparatus employing the same' [patent_app_type] => utility [patent_app_number] => 13/067513 [patent_app_country] => US [patent_app_date] => 2011-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5398 [patent_no_of_claims] => 28 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13067513 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/067513
Developing unit to effectively supply toner to developing roller and image forming apparatus employing same Jun 5, 2011 Issued
Array ( [id] => 7650602 [patent_doc_number] => 20110299871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-08 [patent_title] => 'IMAGE FORMING DEVICE INCLUDING SHEET-METAL HOUSING' [patent_app_type] => utility [patent_app_number] => 13/153527 [patent_app_country] => US [patent_app_date] => 2011-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 6367 [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/A1/0299/20110299871.pdf [firstpage_image] =>[orig_patent_app_number] => 13153527 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/153527
Image forming device including sheet-metal housing Jun 5, 2011 Issued
Array ( [id] => 7650627 [patent_doc_number] => 20110299896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-08 [patent_title] => 'OIL APPLICATION ROLLER, FIXING APPARATUS AND IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/151874 [patent_app_country] => US [patent_app_date] => 2011-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6292 [patent_no_of_claims] => 9 [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/A1/0299/20110299896.pdf [firstpage_image] =>[orig_patent_app_number] => 13151874 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/151874
OIL APPLICATION ROLLER, FIXING APPARATUS AND IMAGE FORMING APPARATUS Jun 1, 2011 Abandoned
Array ( [id] => 7586089 [patent_doc_number] => 20110280599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-17 [patent_title] => 'IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/107753 [patent_app_country] => US [patent_app_date] => 2011-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7301 [patent_no_of_claims] => 16 [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/A1/0280/20110280599.pdf [firstpage_image] =>[orig_patent_app_number] => 13107753 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/107753
IMAGE FORMING APPARATUS May 12, 2011 Abandoned
Array ( [id] => 7560624 [patent_doc_number] => 20110274456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-10 [patent_title] => 'IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/092508 [patent_app_country] => US [patent_app_date] => 2011-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5591 [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/A1/0274/20110274456.pdf [firstpage_image] =>[orig_patent_app_number] => 13092508 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/092508
IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING IMAGE FORMING APPARATUS Apr 21, 2011 Abandoned
Array ( [id] => 10859887 [patent_doc_number] => 08886098 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [patent_title] => 'Apparatus and method to control media wrinkling through roll flaring' [patent_app_type] => utility [patent_app_number] => 13/047277 [patent_app_country] => US [patent_app_date] => 2011-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5526 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13047277 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/047277
Apparatus and method to control media wrinkling through roll flaring Mar 13, 2011 Issued
Array ( [id] => 7697371 [patent_doc_number] => 20110229219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-22 [patent_title] => 'IMAGE FORMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/046997 [patent_app_country] => US [patent_app_date] => 2011-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10479 [patent_no_of_claims] => 8 [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/A1/0229/20110229219.pdf [firstpage_image] =>[orig_patent_app_number] => 13046997 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/046997
IMAGE FORMING APPARATUS Mar 13, 2011 Abandoned
Menu