Search

David Z. Chen

Examiner (ID: 389, Phone: (571)270-7438 , Office: P/2815 )

Most Active Art Unit
2815
Art Unit(s)
2815
Total Applications
787
Issued Applications
304
Pending Applications
114
Abandoned Applications
387

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16373361 [patent_doc_number] => 10805138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-13 [patent_title] => System and method for robust OFDM synchronization [patent_app_type] => utility [patent_app_number] => 16/808350 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 9353 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16808350 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/808350
System and method for robust OFDM synchronization Mar 2, 2020 Issued
Array ( [id] => 17893752 [patent_doc_number] => 11456742 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Signal isolation system and signal isolation circuit [patent_app_type] => utility [patent_app_number] => 16/807136 [patent_app_country] => US [patent_app_date] => 2020-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2412 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16807136 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/807136
Signal isolation system and signal isolation circuit Mar 1, 2020 Issued
Array ( [id] => 16488452 [patent_doc_number] => 20200382065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => ENVELOPE TRACKING AMPLIFICATION ARCHITECTURE [patent_app_type] => utility [patent_app_number] => 16/804580 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16804580 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/804580
Envelope tracking amplification architecture Feb 27, 2020 Issued
Array ( [id] => 17048648 [patent_doc_number] => 11101843 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-08-24 [patent_title] => Selective narrowband interference cancellation [patent_app_type] => utility [patent_app_number] => 16/804808 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 17719 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16804808 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/804808
Selective narrowband interference cancellation Feb 27, 2020 Issued
Array ( [id] => 16567169 [patent_doc_number] => 10892549 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-01-12 [patent_title] => Phased-array antenna system [patent_app_type] => utility [patent_app_number] => 16/804833 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 12620 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16804833 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/804833
Phased-array antenna system Feb 27, 2020 Issued
Array ( [id] => 17510232 [patent_doc_number] => 20220103336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => CYCLE ESTIMATION DEVICE FOR PULSE TRAIN SIGNAL, CYCLE ESTIMATION METHOD FOR PULSE TRAIN SIGNAL, AND CYCLE ESTIMATION PROGRAM FOR PULSE TRAIN SIGNAL [patent_app_type] => utility [patent_app_number] => 17/425328 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3406 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17425328 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/425328
Cycle estimation device for pulse train signal, cycle estimation method for pulse train signal, and cycle estimation program for pulse train signal Feb 19, 2020 Issued
Array ( [id] => 16340036 [patent_doc_number] => 10791011 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-29 [patent_title] => Transmission method, transmission device, reception method and reception device [patent_app_type] => utility [patent_app_number] => 16/795756 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 22 [patent_no_of_words] => 31754 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16795756 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/795756
Transmission method, transmission device, reception method and reception device Feb 19, 2020 Issued
Array ( [id] => 16226998 [patent_doc_number] => 20200252115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => RECONFIGURABLE, BI-DIRECTIONAL, MULTI-BAND FRONT END FOR A HYBRID BEAMFORMING TRANSCEIVER [patent_app_type] => utility [patent_app_number] => 16/780535 [patent_app_country] => US [patent_app_date] => 2020-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16780535 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/780535
Reconfigurable, bi-directional, multi-band front end for a hybrid beamforming transceiver Feb 2, 2020 Issued
Array ( [id] => 18193140 [patent_doc_number] => 20230046659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => PHASE LOCKED LOOP CIRCUIT WITH INCREASED ROBUSTNESS [patent_app_type] => utility [patent_app_number] => 17/792772 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17792772 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/792772
Phase locked loop circuit with increased robustness Jan 20, 2020 Issued
Array ( [id] => 17638746 [patent_doc_number] => 11349485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Clock and data recovery and associated signal processing method [patent_app_type] => utility [patent_app_number] => 16/744188 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2693 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16744188 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/744188
Clock and data recovery and associated signal processing method Jan 15, 2020 Issued
Array ( [id] => 16181411 [patent_doc_number] => 20200228380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => SIGNAL PHASE ROTATION [patent_app_type] => utility [patent_app_number] => 16/744543 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16744543 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/744543
Signal phase rotation Jan 15, 2020 Issued
Array ( [id] => 16937584 [patent_doc_number] => 20210203473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => DIFFERENTIAL SENSING CIRCUIT FOR CLOCK SKEW CALIBRATION RELATIVE TO REFERENCE CLOCK [patent_app_type] => utility [patent_app_number] => 16/743706 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16743706 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/743706
Differential sensing circuit for clock skew calibration relative to reference clock Jan 14, 2020 Issued
Array ( [id] => 17033529 [patent_doc_number] => 11095353 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Use of low resolution analog-to-digital converter/digital-to-analog converter [patent_app_type] => utility [patent_app_number] => 16/741175 [patent_app_country] => US [patent_app_date] => 2020-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 17109 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16741175 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/741175
Use of low resolution analog-to-digital converter/digital-to-analog converter Jan 12, 2020 Issued
Array ( [id] => 16226996 [patent_doc_number] => 20200252113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => TRANSPORT BLOCK SELECTION FOR 1024 QUADRATURE AMPLITUDE MODULATION (QAM) [patent_app_type] => utility [patent_app_number] => 16/733614 [patent_app_country] => US [patent_app_date] => 2020-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14863 [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] => 16733614 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/733614
Transport block selection for 1024 quadrature amplitude modulation (QAM) Jan 2, 2020 Issued
Array ( [id] => 18960024 [patent_doc_number] => 20240048351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => METHODS AND DEVICES FOR MITIGATING PULLING IN A FRACTIONAL LOCAL OSCILLATOR SIGNAL GENERATION SCHEME [patent_app_type] => utility [patent_app_number] => 17/641830 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5647 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17641830 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/641830
Methods and devices for mitigating pulling in a fractional local oscillator signal generation scheme Dec 26, 2019 Issued
Array ( [id] => 16921528 [patent_doc_number] => 20210194620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => Hybrid Unequal Error Protection (UEP) for Heterogeneous Multi-Service Provisioning [patent_app_type] => utility [patent_app_number] => 16/724836 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5061 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16724836 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/724836
Hybrid unequal error protection (UEP) for heterogeneous multi-service provisioning Dec 22, 2019 Issued
Array ( [id] => 16921526 [patent_doc_number] => 20210194618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => SYSTEM, APPARATUS AND METHOD FOR AUTOMATICALLY DETERMINING CONFIGURATION PARAMETERS FOR WIRELESS DEVICES [patent_app_type] => utility [patent_app_number] => 16/722545 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16722545 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/722545
System, apparatus and method for automatically determining configuration parameters for wireless devices Dec 19, 2019 Issued
Array ( [id] => 16121665 [patent_doc_number] => 20200212855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => POWER SUPPLY CIRCUIT [patent_app_type] => utility [patent_app_number] => 16/720308 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5633 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16720308 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/720308
Power supply circuit Dec 18, 2019 Issued
Array ( [id] => 16250277 [patent_doc_number] => 10749661 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-08-18 [patent_title] => ADC-based SerDes with sub-sampled ADC for eye monitoring [patent_app_type] => utility [patent_app_number] => 15/929191 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5117 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15929191 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/929191
ADC-based SerDes with sub-sampled ADC for eye monitoring Dec 18, 2019 Issued
Array ( [id] => 17225390 [patent_doc_number] => 11177905 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Channel quality feedback method and apparatus [patent_app_type] => utility [patent_app_number] => 16/712671 [patent_app_country] => US [patent_app_date] => 2019-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 34 [patent_no_of_words] => 36362 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16712671 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/712671
Channel quality feedback method and apparatus Dec 11, 2019 Issued
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