Search

Cheukfan Lee

Examiner (ID: 3949, Phone: (571)272-7407 , Office: P/2673 )

Most Active Art Unit
2625
Art Unit(s)
2674, 2622, 2673, 2625, 2676, 2682, 2627, 2612, 2616, 2722
Total Applications
2126
Issued Applications
1804
Pending Applications
63
Abandoned Applications
271

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19287230 [patent_doc_number] => 20240223711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => Self-Verifying Hidden Digital Media Within Other Digital Media [patent_app_type] => utility [patent_app_number] => 18/557206 [patent_app_country] => US [patent_app_date] => 2022-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18557206 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/557206
Self-Verifying Hidden Digital Media Within Other Digital Media May 9, 2022 Pending
Array ( [id] => 17796955 [patent_doc_number] => 20220256047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => MEDIUM CONVEYING APPARATUS FOR DETERMINING WHETHER A CONVEYED MEDIUM IS ID CARD [patent_app_type] => utility [patent_app_number] => 17/733943 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15259 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17733943 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/733943
Medium conveying apparatus for determining whether a conveyed medium is ID card Apr 28, 2022 Issued
Array ( [id] => 17766183 [patent_doc_number] => 20220239797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => USER INTERFACE FOR EXPOSURE CORRECTION OF AN IMAGE TRANSPARENCY [patent_app_type] => utility [patent_app_number] => 17/714787 [patent_app_country] => US [patent_app_date] => 2022-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17714787 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/714787
User interface for exposure correction of an image transparency Apr 5, 2022 Issued
Array ( [id] => 17739338 [patent_doc_number] => 20220224800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/711772 [patent_app_country] => US [patent_app_date] => 2022-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7578 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17711772 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/711772
Image reading apparatus and image forming apparatus Mar 31, 2022 Issued
Array ( [id] => 19981193 [patent_doc_number] => 12348688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/555371 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18555371 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/555371
Image forming apparatus Mar 13, 2022 Issued
Array ( [id] => 20483478 [patent_doc_number] => 12531956 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Device and method for improving the reproducibility of recordings [patent_app_type] => utility [patent_app_number] => 18/273374 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 8233 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18273374 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273374
Device and method for improving the reproducibility of recordings Jan 18, 2022 Issued
Array ( [id] => 17704293 [patent_doc_number] => 20220204299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => Image Forming Apparatus [patent_app_type] => utility [patent_app_number] => 17/563410 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563410 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563410
Image forming apparatus Dec 27, 2021 Issued
Array ( [id] => 19329845 [patent_doc_number] => 12047542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Image data transfer control device and image data transfer control method [patent_app_type] => utility [patent_app_number] => 17/552957 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7209 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17552957 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/552957
Image data transfer control device and image data transfer control method Dec 15, 2021 Issued
Array ( [id] => 19094918 [patent_doc_number] => 11956393 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Reading device, reading method, and computer-readable recording medium [patent_app_type] => utility [patent_app_number] => 17/551559 [patent_app_country] => US [patent_app_date] => 2021-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 9510 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17551559 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/551559
Reading device, reading method, and computer-readable recording medium Dec 14, 2021 Issued
Array ( [id] => 17662041 [patent_doc_number] => 20220182506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => IMAGE READING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/546998 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546998 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546998
Image reading apparatus Dec 8, 2021 Issued
Array ( [id] => 17678172 [patent_doc_number] => 20220191339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND RECORDING MEDIUM [patent_app_type] => utility [patent_app_number] => 17/545603 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17545603 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/545603
Image processing apparatus, image processing method, and recording medium Dec 7, 2021 Issued
Array ( [id] => 18210100 [patent_doc_number] => 20230056361 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => APPARATUS HAVING HUMAN DETECTION FUNCTION [patent_app_type] => utility [patent_app_number] => 17/543669 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17543669 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/543669
Apparatus having human detection function Dec 5, 2021 Issued
Array ( [id] => 18211097 [patent_doc_number] => 20230057360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => READING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/542487 [patent_app_country] => US [patent_app_date] => 2021-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9427 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17542487 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/542487
Reading device and image forming apparatus Dec 4, 2021 Issued
Array ( [id] => 19386019 [patent_doc_number] => 20240275889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => DETECTING OUTPUT ERROR USING INLINE SCANNER [patent_app_type] => utility [patent_app_number] => 18/569440 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5706 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18569440 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/569440
Detecting output error using inline scanner Dec 1, 2021 Issued
Array ( [id] => 19030764 [patent_doc_number] => 11930136 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Reading device and image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/540830 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 10594 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17540830 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/540830
Reading device and image forming apparatus Dec 1, 2021 Issued
Array ( [id] => 19322601 [patent_doc_number] => 20240244149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => GENERATING FILE OF DISTINCT WRITER BASED ON HANDWRITING TEXT [patent_app_type] => utility [patent_app_number] => 18/567996 [patent_app_country] => US [patent_app_date] => 2021-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18567996 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/567996
Generating file of distinct writer based on handwriting text Nov 30, 2021 Issued
Array ( [id] => 19047696 [patent_doc_number] => 11936824 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/518419 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 7983 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17518419 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/518419
Image forming apparatus Nov 2, 2021 Issued
Array ( [id] => 19245285 [patent_doc_number] => 12015748 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Dual-axle linkage detection structure [patent_app_type] => utility [patent_app_number] => 17/509400 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 4072 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17509400 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/509400
Dual-axle linkage detection structure Oct 24, 2021 Issued
Array ( [id] => 17567844 [patent_doc_number] => 20220131994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => IMAGE READING DEVICE CAPABLE OF RELATIVELY POSITIONING DOCUMENT CONVEYANCE DEVICE AND SCANNER HOUSING USING ENGAGED PORTION AND ENGAGING PORTION, AND IMAGE FORMING APPARATUS EQUIPPED WITH IMAGE READING DEVICE [patent_app_type] => utility [patent_app_number] => 17/501607 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17501607 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/501607
Image reading device capable of relatively positioning document conveyance device and scanner housing using engaged portion and engaging portion, and image forming apparatus equipped with image reading device Oct 13, 2021 Issued
Array ( [id] => 17552869 [patent_doc_number] => 20220124212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SHEET CONVEYING DEVICE [patent_app_type] => utility [patent_app_number] => 17/499035 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17499035 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/499035
Sheet conveying device and image forming apparatus incorporating the sheet conveying device Oct 11, 2021 Issued
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