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] => 20089652 [patent_doc_number] => 20250219588 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => RF POWER AMPLIFIERS AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 19/017561 [patent_app_country] => US [patent_app_date] => 2025-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2130 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19017561 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/017561
RF POWER AMPLIFIERS AND ELECTRONIC DEVICE Jan 10, 2025 Pending
Array ( [id] => 19407950 [patent_doc_number] => 20240291461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS [patent_app_type] => utility [patent_app_number] => 18/656141 [patent_app_country] => US [patent_app_date] => 2024-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8876 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18656141 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/656141
Transversely-excited film bulk acoustic resonators May 5, 2024 Issued
Array ( [id] => 20417273 [patent_doc_number] => 12500568 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Acoustic wave device with multi-layer substrate including ceramic [patent_app_type] => utility [patent_app_number] => 18/653234 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 29 [patent_no_of_words] => 10027 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653234 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653234
ACOUSTIC WAVE DEVICE WITH MULTI-LAYER SUBSTRATE INCLUDING CERAMIC May 1, 2024 Pending
Array ( [id] => 19980724 [patent_doc_number] => 12348215 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Transversely-excited film bulk acoustic resonator using YX-cut lithium niobate for high power applications [patent_app_type] => utility [patent_app_number] => 18/634626 [patent_app_country] => US [patent_app_date] => 2024-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 2424 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18634626 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/634626
Transversely-excited film bulk acoustic resonator using YX-cut lithium niobate for high power applications Apr 11, 2024 Issued
Array ( [id] => 20417268 [patent_doc_number] => 12500563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Superconducting traveling-wave parametric amplifier [patent_app_type] => utility [patent_app_number] => 18/629168 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 3004 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18629168 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/629168
SUPERCONDUCTING TRAVELING-WAVE PARAMETRIC AMPLIFIER Apr 7, 2024 Issued
Array ( [id] => 19935613 [patent_doc_number] => 12308823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Transversely-excited film bulk acoustic filters with symmetric layout [patent_app_type] => utility [patent_app_number] => 18/614870 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 1109 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18614870 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/614870
Transversely-excited film bulk acoustic filters with symmetric layout Mar 24, 2024 Issued
Array ( [id] => 19453597 [patent_doc_number] => 20240313727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => VARIABLE-GAIN AMPLIFIERS WITH CONFIGURABLE IMPEDANCE CIRCUITS [patent_app_type] => utility [patent_app_number] => 18/614552 [patent_app_country] => US [patent_app_date] => 2024-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10089 [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] => 18614552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/614552
VARIABLE-GAIN AMPLIFIERS WITH CONFIGURABLE IMPEDANCE CIRCUITS Mar 21, 2024 Pending
Array ( [id] => 19286679 [patent_doc_number] => 20240223159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => ACOUSTIC WAVE FILTER INCLUDING TWO TYPES OF ACOUSTIC WAVE RESONATORS [patent_app_type] => utility [patent_app_number] => 18/608108 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12651 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18608108 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/608108
ACOUSTIC WAVE FILTER INCLUDING TWO TYPES OF ACOUSTIC WAVE RESONATORS Mar 17, 2024 Pending
Array ( [id] => 19222280 [patent_doc_number] => 20240186984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH PERIODIC ETCHED HOLES [patent_app_type] => utility [patent_app_number] => 18/417972 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417972
Transversely-excited film bulk acoustic resonator with periodic etched holes Jan 18, 2024 Issued
Array ( [id] => 19655050 [patent_doc_number] => 12176860 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => High frequency amplifier [patent_app_type] => utility [patent_app_number] => 18/415893 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7177 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18415893 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415893
High frequency amplifier Jan 17, 2024 Issued
Array ( [id] => 19812880 [patent_doc_number] => 12244295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Transversely-excited film bulk acoustic resonators with two-layer electrodes having a narrower top layer [patent_app_type] => utility [patent_app_number] => 18/410699 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 8266 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410699 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410699
Transversely-excited film bulk acoustic resonators with two-layer electrodes having a narrower top layer Jan 10, 2024 Issued
Array ( [id] => 19972848 [patent_doc_number] => 12341473 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-24 [patent_title] => Multilevel amplifier systems and related techniques [patent_app_type] => utility [patent_app_number] => 18/409310 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 23 [patent_no_of_words] => 4684 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18409310 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409310
Multilevel amplifier systems and related techniques Jan 9, 2024 Issued
Array ( [id] => 19887357 [patent_doc_number] => 12273093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Multi-port filter using transversely-excited film bulk acoustic resonators [patent_app_type] => utility [patent_app_number] => 18/538939 [patent_app_country] => US [patent_app_date] => 2023-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 8491 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18538939 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/538939
Multi-port filter using transversely-excited film bulk acoustic resonators Dec 12, 2023 Issued
Array ( [id] => 19270244 [patent_doc_number] => 20240213950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => ACOUSTIC WAVE DEVICE WITH MULTI-LAYER SUBSTRATE INCLUDING CERAMIC [patent_app_type] => utility [patent_app_number] => 18/526616 [patent_app_country] => US [patent_app_date] => 2023-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18526616 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/526616
Acoustic wave device with multi-layer substrate including ceramic Nov 30, 2023 Issued
Array ( [id] => 19007891 [patent_doc_number] => 20240071962 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => STACKED RF CIRCUIT TOPOLOGY USING TRANSISTOR DIE WITH THROUGH SILICON CARBIDE VIAS ON GATE AND/OR DRAIN [patent_app_type] => utility [patent_app_number] => 18/502334 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14108 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18502334 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/502334
STACKED RF CIRCUIT TOPOLOGY USING TRANSISTOR DIE WITH THROUGH SILICON CARBIDE VIAS ON GATE AND/OR DRAIN Nov 5, 2023 Pending
Array ( [id] => 19926905 [patent_doc_number] => 12301204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Solidly-mounted transversely-excited film bulk acoustic resonator [patent_app_type] => utility [patent_app_number] => 18/487751 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 2346 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18487751 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487751
Solidly-mounted transversely-excited film bulk acoustic resonator Oct 15, 2023 Issued
Array ( [id] => 18926927 [patent_doc_number] => 20240029931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => INDUCTOR APPARATUS OPTIMIZED FOR LOW POWER LOSS IN CLASS D AUDIO AMPLIFIER APPLICATIONS AND METHOD FOR MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 18/481606 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18481606 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/481606
INDUCTOR APPARATUS OPTIMIZED FOR LOW POWER LOSS IN CLASS D AUDIO AMPLIFIER APPLICATIONS AND METHOD FOR MAKING THE SAME Oct 4, 2023 Pending
Array ( [id] => 18927888 [patent_doc_number] => 20240030892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH OPTIMIZED ELECTRODE THICKNESS, MARK, AND PITCH [patent_app_type] => utility [patent_app_number] => 18/478406 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21048 [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] => 18478406 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478406
Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch Sep 28, 2023 Issued
Array ( [id] => 19341802 [patent_doc_number] => 12052002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Very narrowband and wideband negative resistance amplifiers with a tuneable center frequency using a coupler [patent_app_type] => utility [patent_app_number] => 18/475553 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 4932 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18475553 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/475553
Very narrowband and wideband negative resistance amplifiers with a tuneable center frequency using a coupler Sep 26, 2023 Issued
Array ( [id] => 19377148 [patent_doc_number] => 12068733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Fabrication method of film bulk acoustic resonator (FBAR) filter device [patent_app_type] => utility [patent_app_number] => 18/473670 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 30 [patent_no_of_words] => 6117 [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] => 18473670 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/473670
Fabrication method of film bulk acoustic resonator (FBAR) filter device Sep 24, 2023 Issued
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