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] => 17240163 [patent_doc_number] => 11184058 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-23 [patent_title] => Enhanced acknowledgment and power saving for wireless communications [patent_app_type] => utility [patent_app_number] => 17/129297 [patent_app_country] => US [patent_app_date] => 2020-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 12167 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17129297 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/129297
Enhanced acknowledgment and power saving for wireless communications Dec 20, 2020 Issued
Array ( [id] => 17693534 [patent_doc_number] => 20220200827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => Asymmetric Optical Communication Architecture [patent_app_type] => utility [patent_app_number] => 17/127898 [patent_app_country] => US [patent_app_date] => 2020-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6259 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17127898 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/127898
Asymmetric Optical Communication Architecture Dec 17, 2020 Abandoned
Array ( [id] => 17225475 [patent_doc_number] => 11177991 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Transmission method, transmission device, reception method and reception device [patent_app_type] => utility [patent_app_number] => 17/125325 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 22 [patent_no_of_words] => 31951 [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] => 17125325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/125325
Transmission method, transmission device, reception method and reception device Dec 16, 2020 Issued
Array ( [id] => 17254876 [patent_doc_number] => 11190387 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Coding and modulation apparatus using non-uniform constellation [patent_app_type] => utility [patent_app_number] => 17/119678 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 64 [patent_figures_cnt] => 72 [patent_no_of_words] => 35854 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17119678 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/119678
Coding and modulation apparatus using non-uniform constellation Dec 10, 2020 Issued
Array ( [id] => 17056766 [patent_doc_number] => 20210266200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => DECISION FEEDBACK EQUALIZATION EMBEDDED IN A SLICER [patent_app_type] => utility [patent_app_number] => 17/116792 [patent_app_country] => US [patent_app_date] => 2020-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17116792 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/116792
Decision feedback equalization embedded in a slicer Dec 8, 2020 Issued
Array ( [id] => 18968187 [patent_doc_number] => 11901979 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Channel reciprocity-based precoding matrix configuration method and apparatus [patent_app_type] => utility [patent_app_number] => 17/785399 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 10998 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17785399 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/785399
Channel reciprocity-based precoding matrix configuration method and apparatus Dec 6, 2020 Issued
Array ( [id] => 16766195 [patent_doc_number] => 20210111777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => RECONFIGURABLE FULLY-CONNECTED BIDIRECTIONAL HYBRID BEAMFORMING TRANSCEIVER [patent_app_type] => utility [patent_app_number] => 17/113746 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3447 [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] => 17113746 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113746
Reconfigurable fully-connected bidirectional hybrid beamforming transceiver Dec 6, 2020 Issued
Array ( [id] => 16782610 [patent_doc_number] => 20210119689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => RECONFIGURABLE HYBRID BEAMFORMING MIMO RECEIVER WITH INTER-BAND CARRIER AGGREGATION AND RF-DOMAIN LMS WEIGHT ADAPTATION [patent_app_type] => utility [patent_app_number] => 17/113288 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17113288 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113288
Reconfigurable hybrid beamforming MIMO receiver with inter-band carrier aggregation and RF-domain LMS weight adaptation Dec 6, 2020 Issued
Array ( [id] => 18906976 [patent_doc_number] => 20240022461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => SIGNALING STRUCTURE FOR WIRELESS COMMUNICATION NETWORK [patent_app_type] => utility [patent_app_number] => 18/252082 [patent_app_country] => US [patent_app_date] => 2020-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23541 [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] => 18252082 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/252082
Signaling structure for wireless communication network Nov 26, 2020 Issued
Array ( [id] => 16716771 [patent_doc_number] => 20210083918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => SIGNAL PHASE ROTATION [patent_app_type] => utility [patent_app_number] => 17/102422 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14110 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17102422 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/102422
Signal phase rotation Nov 22, 2020 Issued
Array ( [id] => 18821953 [patent_doc_number] => 20230396294 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => TECHNIQUES FOR DETERMINING ORBITAL ANGULAR MOMENTUM TRANSMITTER CIRCLES [patent_app_type] => utility [patent_app_number] => 18/245096 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18245096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/245096
TECHNIQUES FOR DETERMINING ORBITAL ANGULAR MOMENTUM TRANSMITTER CIRCLES Nov 22, 2020 Pending
Array ( [id] => 17320198 [patent_doc_number] => 20210409248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => SAMPLE-AND-HOLD-BASED RETIMER SUPPORTING LINK TRAINING [patent_app_type] => utility [patent_app_number] => 17/083008 [patent_app_country] => US [patent_app_date] => 2020-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17083008 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/083008
Sample-and-hold-based retimer supporting link training Oct 27, 2020 Issued
Array ( [id] => 17078825 [patent_doc_number] => 11115249 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-07 [patent_title] => High speed communications system [patent_app_type] => utility [patent_app_number] => 17/081562 [patent_app_country] => US [patent_app_date] => 2020-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7640 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 17081562 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/081562
High speed communications system Oct 26, 2020 Issued
Array ( [id] => 16782578 [patent_doc_number] => 20210119657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => DISTRIBUTION OF CLIPPING NOISE BETWEEN BANDS [patent_app_type] => utility [patent_app_number] => 17/066960 [patent_app_country] => US [patent_app_date] => 2020-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17066960 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/066960
Distribution of clipping noise between bands Oct 8, 2020 Issued
Array ( [id] => 16774823 [patent_doc_number] => 10985952 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-04-20 [patent_title] => Data transmission apparatus and method applied to high-speed wired network [patent_app_type] => utility [patent_app_number] => 17/065525 [patent_app_country] => US [patent_app_date] => 2020-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6361 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17065525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/065525
Data transmission apparatus and method applied to high-speed wired network Oct 7, 2020 Issued
Array ( [id] => 16752964 [patent_doc_number] => 20210104976 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => Method of Calibrating and a Calibration Circuit for a Two-Point Modulation Phase Locked Loop [patent_app_type] => utility [patent_app_number] => 17/061147 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17061147 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/061147
Method of calibrating and a calibration circuit for a two-point modulation phase locked loop Sep 30, 2020 Issued
Array ( [id] => 16753148 [patent_doc_number] => 20210105160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => WIRED COMMUNICATION SYSTEM INCLUDING ASYMMETRICAL PHYSICAL LAYER DEVICES [patent_app_type] => utility [patent_app_number] => 17/035593 [patent_app_country] => US [patent_app_date] => 2020-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20972 [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] => 17035593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/035593
Wired communication system including asymmetrical physical layer devices Sep 27, 2020 Issued
Array ( [id] => 17510297 [patent_doc_number] => 20220103401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => TRANSMIT SPUR DETECTION AND MITIGATION FOR WIRELESS COMMUNICATIONS DEVICES [patent_app_type] => utility [patent_app_number] => 17/032991 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17032991 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/032991
Transmit spur detection and mitigation for wireless communications devices Sep 24, 2020 Issued
Array ( [id] => 16889884 [patent_doc_number] => 20210176082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => SYSTEMS AND METHODS FOR POWER SAVINGS IN HFC AMPLIFIERS [patent_app_type] => utility [patent_app_number] => 17/028668 [patent_app_country] => US [patent_app_date] => 2020-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4800 [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] => 17028668 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/028668
Systems and methods for power savings in HFC amplifiers Sep 21, 2020 Issued
Array ( [id] => 16561139 [patent_doc_number] => 20210006288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => RELIABLE ORTHOGONAL SPREADING CODES IN WIRELESS COMMUNICATION [patent_app_type] => utility [patent_app_number] => 17/027144 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17027144 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/027144
Reliable orthogonal spreading codes in wireless communication Sep 20, 2020 Issued
Menu