Search

Hafizur Rahman

Examiner (ID: 18936, Phone: (571)270-0659 , Office: P/2842 )

Most Active Art Unit
2843
Art Unit(s)
2842, 2843
Total Applications
823
Issued Applications
720
Pending Applications
91
Abandoned Applications
40

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19951750 [patent_doc_number] => 12323125 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes [patent_app_type] => utility [patent_app_number] => 17/736100 [patent_app_country] => US [patent_app_date] => 2022-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 3426 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17736100 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/736100
Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes May 3, 2022 Issued
Array ( [id] => 18009518 [patent_doc_number] => 20220368285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => DOHERTY AMPLIFIER [patent_app_type] => utility [patent_app_number] => 17/732687 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4164 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17732687 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/732687
Doherty amplifier Apr 28, 2022 Issued
Array ( [id] => 18743595 [patent_doc_number] => 20230352583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => ENHANCED MOSFET WITH SUPERIOR RF PERFORMANCE [patent_app_type] => utility [patent_app_number] => 17/661221 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12887 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 17661221 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/661221
Enhanced MOSFET with superior RF performance Apr 27, 2022 Issued
Array ( [id] => 19980714 [patent_doc_number] => 12348205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Amplifier circuit [patent_app_type] => utility [patent_app_number] => 17/726961 [patent_app_country] => US [patent_app_date] => 2022-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 3548 [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] => 17726961 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/726961
Amplifier circuit Apr 21, 2022 Issued
Array ( [id] => 20081322 [patent_doc_number] => 12355404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Low noise amplifier with parasitic capacitance neutralization [patent_app_type] => utility [patent_app_number] => 17/726653 [patent_app_country] => US [patent_app_date] => 2022-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 29 [patent_no_of_words] => 2369 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17726653 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/726653
Low noise amplifier with parasitic capacitance neutralization Apr 21, 2022 Issued
Array ( [id] => 18722154 [patent_doc_number] => 11799516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Radio frequency circuit and communication device [patent_app_type] => utility [patent_app_number] => 17/658899 [patent_app_country] => US [patent_app_date] => 2022-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 12551 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17658899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/658899
Radio frequency circuit and communication device Apr 11, 2022 Issued
Array ( [id] => 17934088 [patent_doc_number] => 20220329214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => PROTECTION CIRCUIT AND METHOD [patent_app_type] => utility [patent_app_number] => 17/658010 [patent_app_country] => US [patent_app_date] => 2022-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17658010 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/658010
Protection circuit and method Apr 4, 2022 Issued
Array ( [id] => 17738848 [patent_doc_number] => 20220224310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH DIAPHRAGM SUPPORT PEDESTALS [patent_app_type] => utility [patent_app_number] => 17/710765 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17710765 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/710765
Transversely-excited film bulk acoustic resonator with diaphragm support pedestals Mar 30, 2022 Issued
Array ( [id] => 18339380 [patent_doc_number] => 20230131329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC FILTERS WITH SYMMETRIC LAYOUT [patent_app_type] => utility [patent_app_number] => 17/706154 [patent_app_country] => US [patent_app_date] => 2022-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5929 [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] => 17706154 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/706154
Transversely-excited film bulk acoustic filters with symmetric layout Mar 27, 2022 Issued
Array ( [id] => 17724133 [patent_doc_number] => 20220216855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH PERIODIC ETCHED HOLES [patent_app_type] => utility [patent_app_number] => 17/702549 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17702549 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/702549
Transversely-excited film bulk acoustic resonator with periodic etched holes Mar 22, 2022 Issued
Array ( [id] => 18062558 [patent_doc_number] => 20220393645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => LOW OFF-LEAKAGE CURRENT SWITCH [patent_app_type] => utility [patent_app_number] => 17/697711 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4926 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17697711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/697711
Low off-leakage current switch Mar 16, 2022 Issued
Array ( [id] => 17709732 [patent_doc_number] => 20220209740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH OPTIMIZED ELECTRODE THICKNESS, MARK, AND PITCH [patent_app_type] => utility [patent_app_number] => 17/696105 [patent_app_country] => US [patent_app_date] => 2022-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17696105 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/696105
Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch Mar 15, 2022 Issued
Array ( [id] => 17693274 [patent_doc_number] => 20220200567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR USING YX-CUT LITHIUM NIOBATE FOR HIGH POWER APPLICATIONS [patent_app_type] => utility [patent_app_number] => 17/693264 [patent_app_country] => US [patent_app_date] => 2022-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7403 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693264 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693264
Resonator using YX-cut lithium niobate for high power applications Mar 10, 2022 Issued
Array ( [id] => 17693270 [patent_doc_number] => 20220200563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => FILTER USING PIEZOELECTRIC FILM BONDED TO HIGH RESISTIVITY SILICON SUBSTRATE WITH TRAP-RICH LAYER [patent_app_type] => utility [patent_app_number] => 17/692083 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17692083 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/692083
Filter using piezoelectric film bonded to high resistivity silicon substrate with trap-rich layer Mar 9, 2022 Issued
Array ( [id] => 17693276 [patent_doc_number] => 20220200569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => ACOUSTIC RESONATORS AND FILTERS WITH REDUCED TEMPERATURE COEFFICIENT OF FREQUENCY [patent_app_type] => utility [patent_app_number] => 17/692089 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17692089 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/692089
Acoustic resonators and filters with reduced temperature coefficient of frequency Mar 9, 2022 Issued
Array ( [id] => 19980705 [patent_doc_number] => 12348196 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Semiconductor circuit [patent_app_type] => utility [patent_app_number] => 17/690318 [patent_app_country] => US [patent_app_date] => 2022-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3347 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17690318 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/690318
Semiconductor circuit Mar 8, 2022 Issued
Array ( [id] => 19679945 [patent_doc_number] => 12191821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Group III nitride-based monolithic microwave integrated circuits having multi-layer metal-insulator-metal capacitors [patent_app_type] => utility [patent_app_number] => 17/688952 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 9942 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17688952 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/688952
Group III nitride-based monolithic microwave integrated circuits having multi-layer metal-insulator-metal capacitors Mar 7, 2022 Issued
Array ( [id] => 19965356 [patent_doc_number] => 12334879 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Amplification device for amplifying a signal in electro-optical transceivers [patent_app_type] => utility [patent_app_number] => 17/689444 [patent_app_country] => US [patent_app_date] => 2022-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 819 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17689444 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/689444
Amplification device for amplifying a signal in electro-optical transceivers Mar 7, 2022 Issued
Array ( [id] => 17677640 [patent_doc_number] => 20220190807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => ROTATION IN XY PLANE TO SUPPRESS SPURIOUS MODES IN XBAR DEVICES [patent_app_type] => utility [patent_app_number] => 17/687544 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7038 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17687544 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/687544
Rotation in XY plane to suppress spurious modes in XBAR devices Mar 3, 2022 Issued
Array ( [id] => 19906905 [patent_doc_number] => 12283926 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Comparator, photoelectric conversion device, and apparatus [patent_app_type] => utility [patent_app_number] => 17/684221 [patent_app_country] => US [patent_app_date] => 2022-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 1059 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17684221 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/684221
Comparator, photoelectric conversion device, and apparatus Feb 28, 2022 Issued
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