Search

Ichieh Cheng

Examiner (ID: 3711)

Most Active Art Unit
2617
Art Unit(s)
2617
Total Applications
1
Issued Applications
0
Pending Applications
0
Abandoned Applications
1

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17076333 [patent_doc_number] => 11112729 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-09-07 [patent_title] => Developer supply device [patent_app_type] => utility [patent_app_number] => 17/155110 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3104 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17155110 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155110
Developer supply device Jan 21, 2021 Issued
Array ( [id] => 16826041 [patent_doc_number] => 20210141334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => DRUM UNIT, CARTRIDGE, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/152879 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17152879 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/152879
Drum unit, cartridge, process cartridge and electrophotographic image forming apparatus having a coupling member with a movable member Jan 19, 2021 Issued
Array ( [id] => 17528236 [patent_doc_number] => 11300920 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Drum cartridge and image forming apparatus having residual toner conveying pipe [patent_app_type] => utility [patent_app_number] => 17/153188 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 13242 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17153188 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/153188
Drum cartridge and image forming apparatus having residual toner conveying pipe Jan 19, 2021 Issued
Array ( [id] => 17636439 [patent_doc_number] => 11347160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Light emitting device, exposure device, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/151689 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8745 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17151689 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151689
Light emitting device, exposure device, and image forming apparatus Jan 18, 2021 Issued
Array ( [id] => 17786094 [patent_doc_number] => 11409213 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Image forming apparatus and heater control device [patent_app_type] => utility [patent_app_number] => 17/151896 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 10298 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17151896 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151896
Image forming apparatus and heater control device Jan 18, 2021 Issued
Array ( [id] => 17572501 [patent_doc_number] => 11320769 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Image forming apparatus configured to determine amount of power supplied to heating elements based on measured temperatures [patent_app_type] => utility [patent_app_number] => 17/152718 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 11922 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17152718 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/152718
Image forming apparatus configured to determine amount of power supplied to heating elements based on measured temperatures Jan 18, 2021 Issued
Array ( [id] => 16794487 [patent_doc_number] => 20210124304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => DEVELOPING DEVICE HAVING RESTRICTED MOVEMENT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/140207 [patent_app_country] => US [patent_app_date] => 2021-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10725 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17140207 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/140207
DEVELOPING DEVICE HAVING RESTRICTED MOVEMENT, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS Jan 3, 2021 Abandoned
Array ( [id] => 17364645 [patent_doc_number] => 11231664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => Toner container having a shutter, a lever disposed on one side, and a pivoting portion on the other side which rotate together with a common shaft [patent_app_type] => utility [patent_app_number] => 17/136037 [patent_app_country] => US [patent_app_date] => 2020-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 44 [patent_no_of_words] => 18926 [patent_no_of_claims] => 10 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17136037 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/136037
Toner container having a shutter, a lever disposed on one side, and a pivoting portion on the other side which rotate together with a common shaft Dec 28, 2020 Issued
Array ( [id] => 17786106 [patent_doc_number] => 11409225 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Image forming apparatus with draw-out unit having electrically contactable contact pairs [patent_app_type] => utility [patent_app_number] => 17/126362 [patent_app_country] => US [patent_app_date] => 2020-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 65 [patent_no_of_words] => 20002 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17126362 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/126362
Image forming apparatus with draw-out unit having electrically contactable contact pairs Dec 17, 2020 Issued
Array ( [id] => 17422748 [patent_doc_number] => 11256202 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Snap ring, rotator device, fixing device, and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/123780 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 17 [patent_no_of_words] => 13365 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17123780 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/123780
Snap ring, rotator device, fixing device, and image forming apparatus Dec 15, 2020 Issued
Array ( [id] => 17120823 [patent_doc_number] => 11131953 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-09-28 [patent_title] => Paper feeding device and image forming apparatus with reduced power consumption [patent_app_type] => utility [patent_app_number] => 17/123389 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4733 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17123389 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/123389
Paper feeding device and image forming apparatus with reduced power consumption Dec 15, 2020 Issued
Array ( [id] => 17252528 [patent_doc_number] => 11188012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Cooling device, image forming apparatus and image forming system [patent_app_type] => utility [patent_app_number] => 17/113656 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9280 [patent_no_of_claims] => 12 [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] =>[firstpage_image] =>[orig_patent_app_number] => 17113656 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113656
Cooling device, image forming apparatus and image forming system Dec 6, 2020 Issued
Array ( [id] => 17150924 [patent_doc_number] => 11143996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-12 [patent_title] => Heating device, fixing device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/106583 [patent_app_country] => US [patent_app_date] => 2020-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 58 [patent_no_of_words] => 23420 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 17106583 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/106583
Heating device, fixing device and image forming apparatus Nov 29, 2020 Issued
Array ( [id] => 17528238 [patent_doc_number] => 11300922 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Drum cartridge including electrical contact surface positioned at outer surface of drum frame [patent_app_type] => utility [patent_app_number] => 17/105723 [patent_app_country] => US [patent_app_date] => 2020-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10086 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17105723 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/105723
Drum cartridge including electrical contact surface positioned at outer surface of drum frame Nov 26, 2020 Issued
Array ( [id] => 16871891 [patent_doc_number] => 20210165358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/100654 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17100654 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100654
Image forming apparatus having mounting arrangement of first and second circuit boards Nov 19, 2020 Issued
Array ( [id] => 17491839 [patent_doc_number] => 11281138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Heating apparatus having a cylindrical film and a pressing element to form nip [patent_app_type] => utility [patent_app_number] => 17/100303 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6143 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17100303 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100303
Heating apparatus having a cylindrical film and a pressing element to form nip Nov 19, 2020 Issued
Array ( [id] => 17223116 [patent_doc_number] => 11175613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Cooling device and image forming system [patent_app_type] => utility [patent_app_number] => 16/951315 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11479 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16951315 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/951315
Cooling device and image forming system Nov 17, 2020 Issued
Array ( [id] => 17515169 [patent_doc_number] => 11294315 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Image forming apparatus operable in modes having different color gamuts [patent_app_type] => utility [patent_app_number] => 17/098849 [patent_app_country] => US [patent_app_date] => 2020-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 10318 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17098849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/098849
Image forming apparatus operable in modes having different color gamuts Nov 15, 2020 Issued
Array ( [id] => 17454415 [patent_doc_number] => 11269272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Fixing device including an endless belt for fixing a toner image on a recording material [patent_app_type] => utility [patent_app_number] => 17/094077 [patent_app_country] => US [patent_app_date] => 2020-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 16449 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17094077 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/094077
Fixing device including an endless belt for fixing a toner image on a recording material Nov 9, 2020 Issued
Array ( [id] => 16630121 [patent_doc_number] => 20210048774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => PROCESS CARTRIDGE HAVING DRUM CARTRIDGE, TONER CARTRIDGE AND WASTE TONER CONVEYOR TUBE [patent_app_type] => utility [patent_app_number] => 17/088658 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17088658 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/088658
Process cartridge having drum cartridge, toner cartridge and waste toner conveyor tube Nov 3, 2020 Issued
Menu