Search

Chih Cheng G. Kao

Examiner (ID: 15811, Phone: (571)272-2492 , Office: P/2884 )

Most Active Art Unit
2884
Art Unit(s)
2884, 2882
Total Applications
1922
Issued Applications
1521
Pending Applications
110
Abandoned Applications
309

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18943341 [patent_doc_number] => 20240038480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => X-RAY EMITTER HOUSING WITH AT LEAST ONE ELECTRICALLY CONDUCTIVE HOUSING PORTION [patent_app_type] => utility [patent_app_number] => 18/358201 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18358201 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/358201
X-ray emitter housing with at least one electrically conductive housing portion Jul 24, 2023 Issued
Array ( [id] => 20400989 [patent_doc_number] => 12490948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => X-ray phase imaging apparatus and display method of preview image in X-ray phase imaging apparatus [patent_app_type] => utility [patent_app_number] => 18/357287 [patent_app_country] => US [patent_app_date] => 2023-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 5826 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18357287 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/357287
X-ray phase imaging apparatus and display method of preview image in X-ray phase imaging apparatus Jul 23, 2023 Issued
Array ( [id] => 18901609 [patent_doc_number] => 20240017094 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => RADIATION TREATMENT PLANNING AND DELIVERY FOR MOVING TARGETS IN THE HEART [patent_app_type] => utility [patent_app_number] => 18/353260 [patent_app_country] => US [patent_app_date] => 2023-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8163 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18353260 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/353260
RADIATION TREATMENT PLANNING AND DELIVERY FOR MOVING TARGETS IN THE HEART Jul 16, 2023 Pending
Array ( [id] => 20394397 [patent_doc_number] => 20250369872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => DETECTOR WITH TEMPERATURE DRIFT COMPENSATION [patent_app_type] => utility [patent_app_number] => 18/874241 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18874241 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/874241
DETECTOR WITH TEMPERATURE DRIFT COMPENSATION Jul 12, 2023 Pending
Array ( [id] => 19070989 [patent_doc_number] => 20240105415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => X-RAY TUBE ASSEMBLY AND X-RAY CT EQUIPMENT [patent_app_type] => utility [patent_app_number] => 18/218240 [patent_app_country] => US [patent_app_date] => 2023-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18218240 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/218240
X-ray tube assembly and X-ray CT equipment Jul 4, 2023 Issued
Array ( [id] => 18757414 [patent_doc_number] => 20230360876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => PLANAR FILAMENT WITH DIRECTED ELECTRON BEAM [patent_app_type] => utility [patent_app_number] => 18/340690 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3915 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18340690 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340690
Planar filament with directed electron beam Jun 22, 2023 Issued
Array ( [id] => 18905915 [patent_doc_number] => 20240021400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => PLANAR FILAMENT WITH FOCUSED, CENTRAL ELECTRON EMISSION [patent_app_type] => utility [patent_app_number] => 18/333112 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3930 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18333112 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333112
Planar filament with focused, central electron emission Jun 11, 2023 Issued
Array ( [id] => 20348161 [patent_doc_number] => 20250345013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => DEVICE FOR SIGNALLING A ZONE HAVING PREDETERMINED DIMENSIONS AROUND THE DEVICE [patent_app_type] => utility [patent_app_number] => 18/862704 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18862704 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/862704
DEVICE FOR SIGNALLING A ZONE HAVING PREDETERMINED DIMENSIONS AROUND THE DEVICE May 21, 2023 Pending
Array ( [id] => 19604611 [patent_doc_number] => 20240395491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => COMPACT X-RAY ELECTRON BEAM SCAN TUBE, SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/321633 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7059 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321633
COMPACT X-RAY ELECTRON BEAM SCAN TUBE, SYSTEM AND METHOD May 21, 2023 Pending
Array ( [id] => 18766879 [patent_doc_number] => 11817287 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-14 [patent_title] => Rotary-transmission-target microfocus X-ray source and ray generation method [patent_app_type] => utility [patent_app_number] => 18/316257 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4686 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316257 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316257
Rotary-transmission-target microfocus X-ray source and ray generation method May 11, 2023 Issued
Array ( [id] => 19213576 [patent_doc_number] => 12002648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Interruption-ring in an x-ray tube [patent_app_type] => utility [patent_app_number] => 18/311683 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 4276 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311683 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311683
Interruption-ring in an x-ray tube May 2, 2023 Issued
Array ( [id] => 18768972 [patent_doc_number] => 20230363726 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => BREAST COMPRESSION PADDLE WITH ACCESS CORNERS [patent_app_type] => utility [patent_app_number] => 18/141563 [patent_app_country] => US [patent_app_date] => 2023-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11650 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18141563 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/141563
Breast compression paddle with access corners Apr 30, 2023 Issued
Array ( [id] => 18631699 [patent_doc_number] => 20230290604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => X-RAY MODULE [patent_app_type] => utility [patent_app_number] => 18/140223 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18140223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/140223
X-ray module Apr 26, 2023 Issued
Array ( [id] => 20328048 [patent_doc_number] => 12458305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => X-ray equipment [patent_app_type] => utility [patent_app_number] => 18/139614 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18139614 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/139614
X-ray equipment Apr 25, 2023 Issued
Array ( [id] => 19341363 [patent_doc_number] => 12051558 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Liquid metal bearing with enhanced sealing structures [patent_app_type] => utility [patent_app_number] => 18/307552 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 8124 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18307552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307552
Liquid metal bearing with enhanced sealing structures Apr 25, 2023 Issued
Array ( [id] => 20206021 [patent_doc_number] => 20250275741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => Medical X-Ray Imaging Device and Power Supply System Therefor [patent_app_type] => utility [patent_app_number] => 18/863692 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1116 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18863692 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/863692
Medical X-Ray Imaging Device and Power Supply System Therefor Apr 19, 2023 Pending
Array ( [id] => 18556943 [patent_doc_number] => 20230254962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => MONOLITHIC X-RAY SOURCE HOUSING [patent_app_type] => utility [patent_app_number] => 18/133758 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133758 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133758
Monolithic x-ray source housing Apr 11, 2023 Issued
Array ( [id] => 20166044 [patent_doc_number] => 20250258091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => GAS DETECTING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/856411 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6232 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18856411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/856411
GAS DETECTING SYSTEM Apr 10, 2023 Pending
Array ( [id] => 18707090 [patent_doc_number] => 20230329663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => RADIOGRAPHIC SYSTEM AND METHOD FOR CONTROLLING THE SAME [patent_app_type] => utility [patent_app_number] => 18/297505 [patent_app_country] => US [patent_app_date] => 2023-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18297505 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/297505
RADIOGRAPHIC SYSTEM AND METHOD FOR CONTROLLING THE SAME Apr 6, 2023 Pending
Array ( [id] => 20137220 [patent_doc_number] => 20250244264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => Holder, Analysis Apparatus Including the Same, and Battery Analysis Method [patent_app_type] => utility [patent_app_number] => 18/854474 [patent_app_country] => US [patent_app_date] => 2023-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18854474 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/854474
Holder, Analysis Apparatus Including the Same, and Battery Analysis Method Apr 5, 2023 Issued
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