Search

Snigdha Maewall

Examiner (ID: 10939, Phone: (571)272-6197 , Office: P/1612 )

Most Active Art Unit
1612
Art Unit(s)
1612, 1615
Total Applications
1270
Issued Applications
627
Pending Applications
147
Abandoned Applications
534

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19963037 [patent_doc_number] => 12332534 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus [patent_app_type] => utility [patent_app_number] => 17/827035 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 5108 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827035 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827035
Optical waveguide device, optical modulator, optical modulation module, and optical transmission apparatus May 26, 2022 Issued
Array ( [id] => 18637665 [patent_doc_number] => 11762262 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-09-19 [patent_title] => Cavity-enhanced frequency mixer for classical and quantum applications [patent_app_type] => utility [patent_app_number] => 17/827474 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3899 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17827474 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/827474
Cavity-enhanced frequency mixer for classical and quantum applications May 26, 2022 Issued
Array ( [id] => 18527252 [patent_doc_number] => 11714242 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Optical fiber array and optical fiber connection structure [patent_app_type] => utility [patent_app_number] => 17/752572 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4717 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [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] => 17752572 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752572
Optical fiber array and optical fiber connection structure May 23, 2022 Issued
Array ( [id] => 18846365 [patent_doc_number] => 20230408769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => SEMICONDUCTOR DEVICES WITH EMBEDDED SILICON LENS [patent_app_type] => utility [patent_app_number] => 17/752640 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17752640 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752640
SEMICONDUCTOR DEVICES WITH EMBEDDED SILICON LENS May 23, 2022 Pending
Array ( [id] => 19544630 [patent_doc_number] => 20240361666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => LASER AMPLIFICATION DEVICE AND LASER AMPLIFICATION METHOD [patent_app_type] => utility [patent_app_number] => 18/681646 [patent_app_country] => US [patent_app_date] => 2022-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18681646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/681646
LASER AMPLIFICATION DEVICE AND LASER AMPLIFICATION METHOD May 15, 2022 Pending
Array ( [id] => 17831700 [patent_doc_number] => 20220269004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => BROADBAND OPTICAL COUPLING USING DISPERSIVE ELEMENTS [patent_app_type] => utility [patent_app_number] => 17/663158 [patent_app_country] => US [patent_app_date] => 2022-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6293 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17663158 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/663158
Broadband optical coupling using dispersive elements May 11, 2022 Issued
Array ( [id] => 17831840 [patent_doc_number] => 20220269144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => Optically Activated Graphene-Based Microwave Field Squeezer [patent_app_type] => utility [patent_app_number] => 17/736000 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10332 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17736000 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/736000
Optically activated graphene-based microwave field squeezer system May 2, 2022 Issued
Array ( [id] => 19794619 [patent_doc_number] => 12235564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Optically activated graphene-based microwave field squeezer [patent_app_type] => utility [patent_app_number] => 17/736011 [patent_app_country] => US [patent_app_date] => 2022-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 10451 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17736011 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/736011
Optically activated graphene-based microwave field squeezer May 2, 2022 Issued
Array ( [id] => 20159558 [patent_doc_number] => 12386179 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Optical waveguide system with angle-multiplexing polarization volume grating and electronic device [patent_app_type] => utility [patent_app_number] => 17/733340 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17733340 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/733340
Optical waveguide system with angle-multiplexing polarization volume grating and electronic device Apr 28, 2022 Issued
Array ( [id] => 19405143 [patent_doc_number] => 20240288654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => DEVICE AND METHOD FOR TERMINATING OPTICAL FIBRE CABLES [patent_app_type] => utility [patent_app_number] => 18/564899 [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] => 10912 [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] => 18564899 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/564899
DEVICE AND METHOD FOR TERMINATING OPTICAL FIBRE CABLES Apr 28, 2022 Pending
Array ( [id] => 19739485 [patent_doc_number] => 12216313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Silicon photonic edge coupled connector via collimation [patent_app_type] => utility [patent_app_number] => 17/732002 [patent_app_country] => US [patent_app_date] => 2022-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5628 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17732002 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/732002
Silicon photonic edge coupled connector via collimation Apr 27, 2022 Issued
Array ( [id] => 19779705 [patent_doc_number] => 12228735 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Tricolor waveguide exit pupil expansion system with optical power [patent_app_type] => utility [patent_app_number] => 17/729167 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 8085 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729167 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729167
Tricolor waveguide exit pupil expansion system with optical power Apr 25, 2022 Issued
Array ( [id] => 19764300 [patent_doc_number] => 12222589 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Thermal stabilization circuit for an optical ring resonator [patent_app_type] => utility [patent_app_number] => 17/729031 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 8125 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729031 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729031
Thermal stabilization circuit for an optical ring resonator Apr 25, 2022 Issued
Array ( [id] => 17793865 [patent_doc_number] => 20220252957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => FREQUENCY-TUNABLE QUANTUM MICROWAVE TO OPTICAL CONVERSION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/730146 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8482 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17730146 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/730146
Frequency-tunable quantum microwave to optical conversion system Apr 25, 2022 Issued
Array ( [id] => 18686592 [patent_doc_number] => 11782323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Optical switches based on induced optical loss [patent_app_type] => utility [patent_app_number] => 17/728890 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 30 [patent_no_of_words] => 14930 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17728890 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/728890
Optical switches based on induced optical loss Apr 24, 2022 Issued
Array ( [id] => 18727396 [patent_doc_number] => 20230341684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => PHASE-COMPENSATED PUPIL-REPLICATING LIGHTGUIDE [patent_app_type] => utility [patent_app_number] => 17/727658 [patent_app_country] => US [patent_app_date] => 2022-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6369 [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] => 17727658 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/727658
PHASE-COMPENSATED PUPIL-REPLICATING LIGHTGUIDE Apr 21, 2022 Abandoned
Array ( [id] => 17943874 [patent_doc_number] => 20220330891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => Extended Fiber Optic Sensing System [patent_app_type] => utility [patent_app_number] => 17/721333 [patent_app_country] => US [patent_app_date] => 2022-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6420 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17721333 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/721333
Extended Fiber Optic Sensing System Apr 13, 2022 Pending
Array ( [id] => 18694202 [patent_doc_number] => 20230324608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => OPTICAL SWITCH HAVING LATCHED SWITCH STATES AND ASSOCIATED METHODS [patent_app_type] => utility [patent_app_number] => 17/658829 [patent_app_country] => US [patent_app_date] => 2022-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3772 [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] => 17658829 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/658829
Optical switch having latched switch states and associated methods Apr 11, 2022 Issued
Array ( [id] => 18430030 [patent_doc_number] => 11675246 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Frequency-tunable quantum microwave to optical conversion process [patent_app_type] => utility [patent_app_number] => 17/712146 [patent_app_country] => US [patent_app_date] => 2022-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6101 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17712146 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/712146
Frequency-tunable quantum microwave to optical conversion process Apr 2, 2022 Issued
Array ( [id] => 19450438 [patent_doc_number] => 20240310568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => DISPLAY MODULE [patent_app_type] => utility [patent_app_number] => 18/027812 [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] => 8914 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18027812 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/027812
Display module Mar 30, 2022 Issued
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