Search

Hafizur Rahman

Examiner (ID: 19092, Phone: (571)270-0659 , Office: P/2842 )

Most Active Art Unit
2843
Art Unit(s)
2843, 2842
Total Applications
903
Issued Applications
766
Pending Applications
111
Abandoned Applications
44

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17781016 [patent_doc_number] => 20220247366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => OPTICAL AMPLIFYING MODULE AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/584441 [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] => 3685 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17584441 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/584441
Optical amplifying module and manufacturing method thereof Jan 25, 2022 Issued
Array ( [id] => 19341806 [patent_doc_number] => 12052006 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-30 [patent_title] => Mutually induced filters [patent_app_type] => utility [patent_app_number] => 17/581815 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 23 [patent_no_of_words] => 13867 [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] => 17581815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/581815
Mutually induced filters Jan 20, 2022 Issued
Array ( [id] => 17616347 [patent_doc_number] => 20220158627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => METHOD FOR SENSING ENVIRONMENTAL CONDITIONS [patent_app_type] => utility [patent_app_number] => 17/580395 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6680 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580395 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580395
Method for sensing environmental conditions Jan 19, 2022 Issued
Array ( [id] => 19671460 [patent_doc_number] => 12184238 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Amplifier circuit [patent_app_type] => utility [patent_app_number] => 17/577970 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 9449 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17577970 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/577970
Amplifier circuit Jan 17, 2022 Issued
Array ( [id] => 17600151 [patent_doc_number] => 20220149725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => MULTI-OUTPUT SUPPLY GENERATOR FOR RF POWER AMPLIFIERS WITH DIFFERENTIAL CAPACITIVE ENERGY TRANSFER [patent_app_type] => utility [patent_app_number] => 17/572024 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15508 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17572024 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572024
Multi-output supply generator for RF power amplifiers with differential capacitive energy transfer Jan 9, 2022 Issued
Array ( [id] => 19261430 [patent_doc_number] => 12021503 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Transversely-excited film bulk acoustic resonator with optimized piezoelectric plate thickness and having multiple pitches and marks [patent_app_type] => utility [patent_app_number] => 17/565762 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 34 [patent_no_of_words] => 20993 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17565762 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/565762
Transversely-excited film bulk acoustic resonator with optimized piezoelectric plate thickness and having multiple pitches and marks Dec 29, 2021 Issued
Array ( [id] => 19812860 [patent_doc_number] => 12244275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Radio frequency signal phase correction in power amplifier circuit [patent_app_type] => utility [patent_app_number] => 17/564734 [patent_app_country] => US [patent_app_date] => 2021-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3209 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17564734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/564734
Radio frequency signal phase correction in power amplifier circuit Dec 28, 2021 Issued
Array ( [id] => 17552378 [patent_doc_number] => 20220123721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH OPTIMIZED ELECTRODE THICKNESS, MARK, AND PITCH [patent_app_type] => utility [patent_app_number] => 17/563360 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563360 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563360
Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch Dec 27, 2021 Issued
Array ( [id] => 17552379 [patent_doc_number] => 20220123722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH MULTI-MARK ELECTRODES AND OPTIMIZED ELECTRODE THICKNESS [patent_app_type] => utility [patent_app_number] => 17/563384 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563384
Transversely-excited film bulk acoustic resonator with multi-mark electrodes and optimized electrode thickness Dec 27, 2021 Issued
Array ( [id] => 19796847 [patent_doc_number] => 12237827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Solidly-mounted transversely-excited film bulk acoustic filters with multiple piezoelectric plate thicknesses [patent_app_type] => utility [patent_app_number] => 17/563936 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 8648 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563936 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563936
Solidly-mounted transversely-excited film bulk acoustic filters with multiple piezoelectric plate thicknesses Dec 27, 2021 Issued
Array ( [id] => 18508040 [patent_doc_number] => 11705871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => In-situ low-cost small size sensing and measurement for wireless power transfer systems [patent_app_type] => utility [patent_app_number] => 17/564105 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4778 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17564105 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/564105
In-situ low-cost small size sensing and measurement for wireless power transfer systems Dec 27, 2021 Issued
Array ( [id] => 17552377 [patent_doc_number] => 20220123720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH OPTIMIZED ELECTRODE MARK, AND PITCH [patent_app_type] => utility [patent_app_number] => 17/561714 [patent_app_country] => US [patent_app_date] => 2021-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20963 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17561714 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/561714
Transversely-excited film bulk acoustic resonator with optimized electrode mark, and pitch Dec 23, 2021 Issued
Array ( [id] => 17537173 [patent_doc_number] => 20220115782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => SYSTEMS AND METHODS FOR DYNAMIC BIASING OF MICROWAVE AMPLIFIER [patent_app_type] => utility [patent_app_number] => 17/561033 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17561033 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/561033
Systems and methods for dynamic biasing of microwave amplifier Dec 22, 2021 Issued
Array ( [id] => 20603560 [patent_doc_number] => 20260081574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => PROGRAMMABLE TRANSIMPEDANCE AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/269631 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 398 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18269631 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/269631
PROGRAMMABLE TRANSIMPEDANCE AMPLIFIER Dec 22, 2021 Pending
Array ( [id] => 19796846 [patent_doc_number] => 12237826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch [patent_app_type] => utility [patent_app_number] => 17/560889 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 34 [patent_no_of_words] => 20953 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [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] => 17560889 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/560889
Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch Dec 22, 2021 Issued
Array ( [id] => 17537401 [patent_doc_number] => 20220116010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS AND FILTERS FOR 27 GHZ COMMUNICATIONS BANDS [patent_app_type] => utility [patent_app_number] => 17/558090 [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] => 7911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17558090 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/558090
Solidly-mounted transversely-excited film bulk acoustic resonators and filters for 27 GHz communications bands Dec 20, 2021 Issued
Array ( [id] => 19370914 [patent_doc_number] => 12063013 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Power amplifier [patent_app_type] => utility [patent_app_number] => 17/550640 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 24 [patent_no_of_words] => 8201 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550640 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550640
Power amplifier Dec 13, 2021 Issued
Array ( [id] => 17753451 [patent_doc_number] => 20220231656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => COIL UNIT DECOUPLING APPARATUS AND MAGNETIC RESONANCE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/548926 [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] => 5504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17548926 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/548926
Coil unit decoupling apparatus and magnetic resonance system Dec 12, 2021 Issued
Array ( [id] => 19508372 [patent_doc_number] => 12119805 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Substrate processing and membrane release of transversely-excited film bulk acoustic resonator using a sacrificial tub [patent_app_type] => utility [patent_app_number] => 17/548234 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 11210 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17548234 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/548234
Substrate processing and membrane release of transversely-excited film bulk acoustic resonator using a sacrificial tub Dec 9, 2021 Issued
Array ( [id] => 19734298 [patent_doc_number] => 12212306 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method [patent_app_type] => utility [patent_app_number] => 17/542295 [patent_app_country] => US [patent_app_date] => 2021-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 9408 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17542295 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/542295
Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method Dec 2, 2021 Issued
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