Search

Sam Bhattacharya

Examiner (ID: 8847, Phone: (571)272-7917 , Office: P/2646 )

Most Active Art Unit
2646
Art Unit(s)
2685, 2687, 2682, 2688, 2611, 2617, 2646, 2745
Total Applications
1862
Issued Applications
1605
Pending Applications
121
Abandoned Applications
173

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20036735 [patent_doc_number] => 20250174957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => GASEOUS LASER SYSTEMS WITH EDGE-DEFINING ELEMENT AND RELATED TECHNIQUES [patent_app_type] => utility [patent_app_number] => 19/039289 [patent_app_country] => US [patent_app_date] => 2025-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19039289 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/039289
Gaseous laser systems with edge-defining element and related techniques Jan 27, 2025 Issued
Array ( [id] => 20229497 [patent_doc_number] => 12418155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Low-power source of squeezed light [patent_app_type] => utility [patent_app_number] => 18/659303 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 6412 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18659303 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659303
Low-power source of squeezed light May 8, 2024 Issued
Array ( [id] => 19513631 [patent_doc_number] => 20240345317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => SINGLE PHOTON SOURCE [patent_app_type] => utility [patent_app_number] => 18/648647 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18648647 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648647
Single photon source Apr 28, 2024 Issued
Array ( [id] => 19415150 [patent_doc_number] => 12080994 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-03 [patent_title] => High-side driver method and device for a laser of a lidar [patent_app_type] => utility [patent_app_number] => 18/614642 [patent_app_country] => US [patent_app_date] => 2024-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10081 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18614642 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/614642
High-side driver method and device for a laser of a lidar Mar 22, 2024 Issued
Array ( [id] => 19270028 [patent_doc_number] => 20240213734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => SYSTEMS AND METHODS FOR CONTROLLING LASER PULSING [patent_app_type] => utility [patent_app_number] => 18/601035 [patent_app_country] => US [patent_app_date] => 2024-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18601035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/601035
SYSTEMS AND METHODS FOR CONTROLLING LASER PULSING Mar 10, 2024 Abandoned
Array ( [id] => 19935392 [patent_doc_number] => 12308602 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-20 [patent_title] => Tunable laser [patent_app_type] => utility [patent_app_number] => 18/438231 [patent_app_country] => US [patent_app_date] => 2024-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18438231 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/438231
Tunable laser Feb 8, 2024 Issued
Array ( [id] => 19250517 [patent_doc_number] => 20240201507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => SPOT-SIZE CONVERTER [patent_app_type] => utility [patent_app_number] => 18/427704 [patent_app_country] => US [patent_app_date] => 2024-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9027 [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] => 18427704 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427704
Spot-size converter Jan 29, 2024 Issued
Array ( [id] => 19261272 [patent_doc_number] => 12021345 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-25 [patent_title] => Frequency standard immune to laser wavelength variation and aging [patent_app_type] => utility [patent_app_number] => 18/411435 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 9851 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18411435 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/411435
Frequency standard immune to laser wavelength variation and aging Jan 11, 2024 Issued
Array ( [id] => 19146989 [patent_doc_number] => 20240146034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => EDGE-EMITTING LASER BAR [patent_app_type] => utility [patent_app_number] => 18/409474 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18409474 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/409474
Edge-emitting laser bar Jan 9, 2024 Issued
Array ( [id] => 19336069 [patent_doc_number] => 20240250499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => SEMICONDUCTOR LASER DEVICE, OPTICAL APPARATUS, AND METHOD OF CONTROLLING SEMICONDUCTOR LASER DEVICE [patent_app_type] => utility [patent_app_number] => 18/402846 [patent_app_country] => US [patent_app_date] => 2024-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7383 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18402846 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402846
SEMICONDUCTOR LASER DEVICE, OPTICAL APPARATUS, AND METHOD OF CONTROLLING SEMICONDUCTOR LASER DEVICE Jan 2, 2024 Pending
Array ( [id] => 19821583 [patent_doc_number] => 20250079790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => LASER DIODE AND METHOD FOR PREPARING STACKED HIGH-DENSITY LASER DIODE ARRAY [patent_app_type] => utility [patent_app_number] => 18/402159 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18402159 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402159
LASER DIODE AND METHOD FOR PREPARING STACKED HIGH-DENSITY LASER DIODE ARRAY Jan 1, 2024 Pending
Array ( [id] => 19191997 [patent_doc_number] => 20240170910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => GASEOUS LASER SYSTEMS WITH EDGE-DEFINING ELEMENT AND RELATED TECHNIQUES [patent_app_type] => utility [patent_app_number] => 18/396290 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19489 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18396290 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396290
Gaseous laser systems with edge-defining element and related techniques Dec 25, 2023 Issued
Array ( [id] => 19253486 [patent_doc_number] => 20240204483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => SYSTEM COMPRISING A LIGHT SOURCE ON A SUBSTRATE WITH A HIGH OPTICAL INDEX AND ASSOCIATED METHOD [patent_app_type] => utility [patent_app_number] => 18/541852 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18541852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/541852
SYSTEM COMPRISING A LIGHT SOURCE ON A SUBSTRATE WITH A HIGH OPTICAL INDEX AND ASSOCIATED METHOD Dec 14, 2023 Pending
Array ( [id] => 20611364 [patent_doc_number] => 12586972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Laser system and method for generating laser pulses [patent_app_type] => utility [patent_app_number] => 18/527850 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3489 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [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] => 18527850 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527850
Laser system and method for generating laser pulses Dec 3, 2023 Issued
Array ( [id] => 19662617 [patent_doc_number] => 20240429682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => High-Speed Vertical Cavity Surface Emitting Laser, Optoelectronic Device with the Same, and Manufacturing Method Thereof [patent_app_type] => utility [patent_app_number] => 18/527172 [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] => 3024 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527172
High-Speed Vertical Cavity Surface Emitting Laser, Optoelectronic Device with the Same, and Manufacturing Method Thereof Nov 30, 2023 Pending
Array ( [id] => 19206734 [patent_doc_number] => 20240178633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => LASER DIODE PACKAGE [patent_app_type] => utility [patent_app_number] => 18/505528 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505528 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505528
LASER DIODE PACKAGE Nov 8, 2023 Pending
Array ( [id] => 18991633 [patent_doc_number] => 20240063602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => POWER MONITOR FOR SILICON-PHOTONICS-BASED LASER [patent_app_type] => utility [patent_app_number] => 18/495848 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6007 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18495848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/495848
Power monitor for silicon-photonics-based laser Oct 26, 2023 Issued
Array ( [id] => 19229984 [patent_doc_number] => 12009629 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-11 [patent_title] => Robotic system for acousto-optic transducer bonding [patent_app_type] => utility [patent_app_number] => 18/379093 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12265 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379093
Robotic system for acousto-optic transducer bonding Oct 10, 2023 Issued
Array ( [id] => 19071776 [patent_doc_number] => 20240106202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => HIGH POWER LASER ARRAY DEVICES AND METHODS [patent_app_type] => utility [patent_app_number] => 18/478921 [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] => 8913 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18478921 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/478921
HIGH POWER LASER ARRAY DEVICES AND METHODS Sep 28, 2023 Pending
Array ( [id] => 19038804 [patent_doc_number] => 20240088619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => METHODS AND DEVICES FOR LASER BEAM PARAMETERS SENSING AND CONTROL WITH FIBER-TIP INTEGRATED SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/472836 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8323 [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] => 18472836 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472836
METHODS AND DEVICES FOR LASER BEAM PARAMETERS SENSING AND CONTROL WITH FIBER-TIP INTEGRATED SYSTEMS Sep 21, 2023 Pending
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