Search

Charles Nana Appiah

Supervisory Patent Examiner (ID: 17091, Phone: (571)272-7904 , Office: P/2641 )

Most Active Art Unit
2682
Art Unit(s)
2682, 2742, 2747, 2617, 2641, 2745, 2686
Total Applications
746
Issued Applications
533
Pending Applications
133
Abandoned Applications
92

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20296016 [patent_doc_number] => 20250321259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => SYSTEMS, METHODS, AND DEVICES FOR AUTOMATIC SIGNAL DETECTION BASED ON POWER DISTRIBUTION BY FREQUENCY OVER TIME WITHIN A SPECTRUM [patent_app_type] => utility [patent_app_number] => 19/250868 [patent_app_country] => US [patent_app_date] => 2025-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34901 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19250868 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/250868
SYSTEMS, METHODS, AND DEVICES FOR AUTOMATIC SIGNAL DETECTION BASED ON POWER DISTRIBUTION BY FREQUENCY OVER TIME WITHIN A SPECTRUM Jun 25, 2025 Pending
Array ( [id] => 20296016 [patent_doc_number] => 20250321259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => SYSTEMS, METHODS, AND DEVICES FOR AUTOMATIC SIGNAL DETECTION BASED ON POWER DISTRIBUTION BY FREQUENCY OVER TIME WITHIN A SPECTRUM [patent_app_type] => utility [patent_app_number] => 19/250868 [patent_app_country] => US [patent_app_date] => 2025-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34901 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19250868 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/250868
SYSTEMS, METHODS, AND DEVICES FOR AUTOMATIC SIGNAL DETECTION BASED ON POWER DISTRIBUTION BY FREQUENCY OVER TIME WITHIN A SPECTRUM Jun 25, 2025 Pending
Array ( [id] => 19254821 [patent_doc_number] => 20240205818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => METHOD AND APPARATUS FOR DEDICATED CORE NETWORK SELECTION [patent_app_type] => utility [patent_app_number] => 18/592513 [patent_app_country] => US [patent_app_date] => 2024-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8009 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18592513 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/592513
METHOD AND APPARATUS FOR DEDICATED CORE NETWORK SELECTION Feb 28, 2024 Abandoned
Array ( [id] => 19040142 [patent_doc_number] => 20240089957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => SYSTEM INFORMATION TO SUPPORT SERVICE BASED CELL RESELECTION [patent_app_type] => utility [patent_app_number] => 18/509808 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18509808 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/509808
SYSTEM INFORMATION TO SUPPORT SERVICE BASED CELL RESELECTION Nov 14, 2023 Abandoned
Array ( [id] => 18991868 [patent_doc_number] => 20240063837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => SMART RING [patent_app_type] => utility [patent_app_number] => 18/385413 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18385413 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/385413
SMART RING Oct 30, 2023 Pending
Array ( [id] => 18775273 [patent_doc_number] => 20230370106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => COMPACT RADIO FREQUENCY COMBINER [patent_app_type] => utility [patent_app_number] => 18/227686 [patent_app_country] => US [patent_app_date] => 2023-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18227686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/227686
COMPACT RADIO FREQUENCY COMBINER Jul 27, 2023 Pending
Array ( [id] => 18714443 [patent_doc_number] => 20230337085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => COMMUNICATION APPARATUS, CONTROL METHOD OF COMMUNICATION APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/335857 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6856 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18335857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/335857
COMMUNICATION APPARATUS, CONTROL METHOD OF COMMUNICATION APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM Jun 14, 2023 Pending
Array ( [id] => 18714443 [patent_doc_number] => 20230337085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => COMMUNICATION APPARATUS, CONTROL METHOD OF COMMUNICATION APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/335857 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6856 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18335857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/335857
COMMUNICATION APPARATUS, CONTROL METHOD OF COMMUNICATION APPARATUS, AND COMPUTER-READABLE STORAGE MEDIUM Jun 14, 2023 Pending
Array ( [id] => 18759158 [patent_doc_number] => 20230362640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => SYSTEMS AND METHODS FOR PROVISION OF NETWORK COVERAGE INFORMATION TO WIRELESS DEVICES AND ENTITIES [patent_app_type] => utility [patent_app_number] => 18/312455 [patent_app_country] => US [patent_app_date] => 2023-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 58217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18312455 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312455
SYSTEMS AND METHODS FOR PROVISION OF NETWORK COVERAGE INFORMATION TO WIRELESS DEVICES AND ENTITIES May 3, 2023 Pending
Array ( [id] => 19532732 [patent_doc_number] => 20240356634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SATELLITES HAVING BROADBAND AND NARROWBAND COMMUNICATION HARDWARE [patent_app_type] => utility [patent_app_number] => 18/305580 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7310 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18305580 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/305580
SATELLITES HAVING BROADBAND AND NARROWBAND COMMUNICATION HARDWARE Apr 23, 2023 Pending
Array ( [id] => 19470223 [patent_doc_number] => 20240323893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => SIDELINK POSITIONING ANCHOR CLASSIFICATION AND SELECTION [patent_app_type] => utility [patent_app_number] => 18/189645 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26262 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18189645 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/189645
SIDELINK POSITIONING ANCHOR CLASSIFICATION AND SELECTION Mar 23, 2023 Pending
Array ( [id] => 19465713 [patent_doc_number] => 20240319383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => EXTENDED WIDE-LANE CARRIER PHASE AVAILABILITY USING INERTIAL MEASUREMENT UNIT (IMU) FEEDBACK [patent_app_type] => utility [patent_app_number] => 18/188426 [patent_app_country] => US [patent_app_date] => 2023-03-22 [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] => -26 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18188426 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188426
EXTENDED WIDE-LANE CARRIER PHASE AVAILABILITY USING INERTIAL MEASUREMENT UNIT (IMU) FEEDBACK Mar 21, 2023 Pending
Array ( [id] => 18515799 [patent_doc_number] => 20230232112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => IMAGING APPARATUS, DRIVING METHOD OF IMAGING APPARATUS, AND PROGRAM [patent_app_type] => utility [patent_app_number] => 18/186207 [patent_app_country] => US [patent_app_date] => 2023-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18186207 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/186207
Imaging apparatus, driving method of imaging apparatus, and program Mar 19, 2023 Issued
Array ( [id] => 19453679 [patent_doc_number] => 20240313809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => REPEATER [patent_app_type] => utility [patent_app_number] => 18/183750 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22666 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18183750 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183750
REPEATER Mar 13, 2023 Pending
Array ( [id] => 19437753 [patent_doc_number] => 20240306251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => SYSTEM AND METHOD FOR COMMUNICATING EMERGENCY INFORMATION IN AN EMERGENCY CALL [patent_app_type] => utility [patent_app_number] => 18/180320 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180320 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180320
System and method for communicating emergency information in an emergency call Mar 7, 2023 Issued
Array ( [id] => 18571816 [patent_doc_number] => 20230262153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => ELECTRONIC DEVICE AND FABRICATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/168159 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18168159 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/168159
ELECTRONIC DEVICE AND FABRICATION METHOD THEREOF Feb 12, 2023 Pending
Array ( [id] => 18410219 [patent_doc_number] => 20230171572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => ON-VEHICLE APPARATUS AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/988530 [patent_app_country] => US [patent_app_date] => 2022-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17988530 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/988530
ON-VEHICLE APPARATUS AND CONTROL METHOD Nov 15, 2022 Pending
Array ( [id] => 18239259 [patent_doc_number] => 20230071570 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => INTELLIGENT GALLERY MANAGEMENT FOR BIOMETRICS [patent_app_type] => utility [patent_app_number] => 17/977606 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17977606 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/977606
INTELLIGENT GALLERY MANAGEMENT FOR BIOMETRICS Oct 30, 2022 Pending
Array ( [id] => 18381338 [patent_doc_number] => 20230156429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => RADIO FREQUENCY SWITCH CIRCUIT, COMMUNICATION UNIT AND METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/051103 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18051103 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/051103
RADIO FREQUENCY SWITCH CIRCUIT, COMMUNICATION UNIT AND METHOD THEREFOR Oct 30, 2022 Pending
Array ( [id] => 19132087 [patent_doc_number] => 20240137440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => METHOD AND SYSTEM FOR AUTHENTICATION OF TELEPHONE CALLER [patent_app_type] => utility [patent_app_number] => 17/973165 [patent_app_country] => US [patent_app_date] => 2022-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7517 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17973165 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/973165
METHOD AND SYSTEM FOR AUTHENTICATION OF TELEPHONE CALLER Oct 24, 2022 Pending
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