Search

Joseph Chang

Examiner (ID: 1965, Phone: (571)272-1759 , Office: P/2842 )

Most Active Art Unit
2817
Art Unit(s)
2842, 2836, 2817, 2849, 2843
Total Applications
2215
Issued Applications
1946
Pending Applications
125
Abandoned Applications
172

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19270073 [patent_doc_number] => 20240213779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => SYSTEMS AND METHODS FOR POWER VARIABILITY REDUCTION [patent_app_type] => utility [patent_app_number] => 18/278796 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11425 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18278796 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/278796
Systems and methods for power variability reduction Feb 16, 2022 Issued
Array ( [id] => 17645872 [patent_doc_number] => 20220173611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => DEVICE FOR UNINTERRUPTIBLE SUPPLY OF POWER, COMPRISING AN ENERGY STORAGE MEANS AND A ROTATING ELECTRIC MACHINE [patent_app_type] => utility [patent_app_number] => 17/673379 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17673379 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/673379
Device for uninterruptible supply of power, comprising an energy storage means and a rotating electric machine Feb 15, 2022 Issued
Array ( [id] => 18999652 [patent_doc_number] => 11916515 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Demodulation of non-return to zero (NRZ) or other signals using multiple-input artificial intelligence/machine learning (AI/ML) model [patent_app_type] => utility [patent_app_number] => 17/670814 [patent_app_country] => US [patent_app_date] => 2022-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6470 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17670814 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/670814
Demodulation of non-return to zero (NRZ) or other signals using multiple-input artificial intelligence/machine learning (AI/ML) model Feb 13, 2022 Issued
Array ( [id] => 18481613 [patent_doc_number] => 11695372 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-04 [patent_title] => Quadrature voltage-controlled oscillator (QVCO) with improved phase noise and quadrature imbalance trade-off [patent_app_type] => utility [patent_app_number] => 17/650834 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 7527 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17650834 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650834
Quadrature voltage-controlled oscillator (QVCO) with improved phase noise and quadrature imbalance trade-off Feb 10, 2022 Issued
Array ( [id] => 17926297 [patent_doc_number] => 11469566 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-11 [patent_title] => Generating electromagnetic radiation from a photonic crystal maser [patent_app_type] => utility [patent_app_number] => 17/667296 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12133 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17667296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/667296
Generating electromagnetic radiation from a photonic crystal maser Feb 7, 2022 Issued
Array ( [id] => 17616202 [patent_doc_number] => 20220158482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => PERSISTENT DC POWER AND CONTROL SWITCH [patent_app_type] => utility [patent_app_number] => 17/667457 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12692 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 17667457 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/667457
Persistent DC power and control switch Feb 7, 2022 Issued
Array ( [id] => 19192225 [patent_doc_number] => 20240171138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => Electrical converter and method for operating an electrical converter [patent_app_type] => utility [patent_app_number] => 18/263140 [patent_app_country] => US [patent_app_date] => 2022-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6412 [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] => 18263140 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/263140
Electrical converter and method for operating an electrical converter Feb 2, 2022 Pending
Array ( [id] => 17780255 [patent_doc_number] => 20220246605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => Variable Capacitance Circuit, Circuit Device, And Oscillator [patent_app_type] => utility [patent_app_number] => 17/590840 [patent_app_country] => US [patent_app_date] => 2022-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17590840 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/590840
Variable capacitance circuit, circuit device, and oscillator Feb 1, 2022 Issued
Array ( [id] => 17781002 [patent_doc_number] => 20220247352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => Circuit Device And Oscillator [patent_app_type] => utility [patent_app_number] => 17/587127 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10673 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17587127 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587127
Circuit device and oscillator Jan 27, 2022 Issued
Array ( [id] => 17765661 [patent_doc_number] => 20220239275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => Vibrator Device [patent_app_type] => utility [patent_app_number] => 17/584436 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17584436 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/584436
Vibrator device Jan 25, 2022 Issued
Array ( [id] => 17765685 [patent_doc_number] => 20220239299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => INTEGRATED CIRCUIT APPARATUS AND OSCILLATOR [patent_app_type] => utility [patent_app_number] => 17/580968 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580968 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580968
Integrated circuit apparatus and oscillator Jan 20, 2022 Issued
Array ( [id] => 18875368 [patent_doc_number] => 11863194 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => Phononic comb enhanced atomic clock [patent_app_type] => utility [patent_app_number] => 17/567034 [patent_app_country] => US [patent_app_date] => 2021-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5862 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567034 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567034
Phononic comb enhanced atomic clock Dec 30, 2021 Issued
Array ( [id] => 17552263 [patent_doc_number] => 20220123606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => Power Transfer System With Patient Transport Apparatus And Power Transfer Device To Transfer Power To The Patient Transport Apparatus [patent_app_type] => utility [patent_app_number] => 17/562269 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10304 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562269 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562269
Power transfer system with patient transport apparatus and power transfer device to transfer power to the patient transport apparatus Dec 26, 2021 Issued
Array ( [id] => 18453347 [patent_doc_number] => 20230194627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ELECTRICAL ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/557569 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17557569 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557569
Electrical assembly Dec 20, 2021 Issued
Array ( [id] => 19008657 [patent_doc_number] => 20240072728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => OSCILLATOR CIRCUIT ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 18/257051 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8036 [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] => 18257051 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/257051
Oscillator circuit arrangement Dec 13, 2021 Issued
Array ( [id] => 19184305 [patent_doc_number] => 11990914 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Phase lock loop reference loss detection [patent_app_type] => utility [patent_app_number] => 17/550123 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6644 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550123 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550123
Phase lock loop reference loss detection Dec 13, 2021 Issued
Array ( [id] => 18441886 [patent_doc_number] => 20230189182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => OPPORTUNISTIC CALIBRATION OF A CLOCK [patent_app_type] => utility [patent_app_number] => 17/549042 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17549042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549042
Opportunistic calibration of a clock Dec 12, 2021 Issued
Array ( [id] => 18464856 [patent_doc_number] => 11689156 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-27 [patent_title] => Voltage-controlled oscillator and method for using the same [patent_app_type] => utility [patent_app_number] => 17/643068 [patent_app_country] => US [patent_app_date] => 2021-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10324 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643068 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643068
Voltage-controlled oscillator and method for using the same Dec 6, 2021 Issued
Array ( [id] => 19582944 [patent_doc_number] => 12149076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Energy supply device and construction machine [patent_app_type] => utility [patent_app_number] => 18/265859 [patent_app_country] => US [patent_app_date] => 2021-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2062 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18265859 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/265859
Energy supply device and construction machine Dec 5, 2021 Issued
Array ( [id] => 17486799 [patent_doc_number] => 20220094303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => NANOMECHANICAL NETWORKS FOR COMPUTATION [patent_app_type] => utility [patent_app_number] => 17/543424 [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] => 8675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17543424 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/543424
Nanomechanical networks for computation Dec 5, 2021 Issued
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