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] => 18068610 [patent_doc_number] => 20220399698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => REGULATOR CIRCUIT AND REGULATOR SYSTEM FOR TUNABLE LASER [patent_app_type] => utility [patent_app_number] => 17/572253 [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] => 3208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17572253 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572253
REGULATOR CIRCUIT AND REGULATOR SYSTEM FOR TUNABLE LASER Jan 9, 2022 Pending
Array ( [id] => 18789955 [patent_doc_number] => 20230378714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => Q-SWITCH CO2 LASER [patent_app_type] => utility [patent_app_number] => 18/257689 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19139 [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] => 18257689 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/257689
Q-SWITCH CO2 LASER Dec 19, 2021 Pending
Array ( [id] => 17661370 [patent_doc_number] => 20220181835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => TANDEM PUMPED FIBER AMPLIFIER [patent_app_type] => utility [patent_app_number] => 17/555144 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17555144 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/555144
TANDEM PUMPED FIBER AMPLIFIER Dec 16, 2021 Abandoned
Array ( [id] => 20611372 [patent_doc_number] => 12586980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Thermal management system and optical bench for diode laser device [patent_app_type] => utility [patent_app_number] => 17/643895 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 49 [patent_no_of_words] => 12099 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643895
Thermal management system and optical bench for diode laser device Dec 12, 2021 Issued
Array ( [id] => 18147669 [patent_doc_number] => 20230021526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => DRIVER CIRCUIT FOR AN ADDRESSABLE ARRAY OF OPTICAL EMITTERS [patent_app_type] => utility [patent_app_number] => 17/643712 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643712 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643712
DRIVER CIRCUIT FOR AN ADDRESSABLE ARRAY OF OPTICAL EMITTERS Dec 9, 2021 Pending
Array ( [id] => 17509826 [patent_doc_number] => 20220102930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => DUAL OPTICAL FREQUENCY COMB LIGHT-EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/546153 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546153 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546153
Dual optical frequency comb light-emitting device Dec 8, 2021 Issued
Array ( [id] => 17661369 [patent_doc_number] => 20220181834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => DISPERSION MANAGEMENT METHOD AND APPARATUS BASED ON NON-PERIODIC SPECTRAL PHASE JUMPS [patent_app_type] => utility [patent_app_number] => 17/643057 [patent_app_country] => US [patent_app_date] => 2021-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2538 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643057 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643057
Dispersion management method and apparatus based on non-periodic spectral phase jumps Dec 6, 2021 Issued
Array ( [id] => 19951550 [patent_doc_number] => 12322924 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Tunable broadband random optoelectronic oscillator [patent_app_type] => utility [patent_app_number] => 17/456179 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [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] => 17456179 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/456179
Tunable broadband random optoelectronic oscillator Nov 22, 2021 Issued
Array ( [id] => 18395344 [patent_doc_number] => 20230163565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => SEMICONDUCTOR LASER DEVICE, METHOD FOR MANUFACTURING A SEMICONDUCTOR LASER DEVICE AND PROJECTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/530903 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17530903 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/530903
SEMICONDUCTOR LASER DEVICE, METHOD FOR MANUFACTURING A SEMICONDUCTOR LASER DEVICE AND PROJECTION DEVICE Nov 18, 2021 Abandoned
Array ( [id] => 19428618 [patent_doc_number] => 12088057 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Driving and stabilization system for pump laser [patent_app_type] => utility [patent_app_number] => 17/528315 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4481 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 373 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17528315 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/528315
Driving and stabilization system for pump laser Nov 16, 2021 Issued
Array ( [id] => 17692941 [patent_doc_number] => 20220200234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => INTEGRATED LIGHT RECEIVING AND EMITTING DEVICE COMBINED WITH CONTROL CIRCUIT WAFER AND METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/527765 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17527765 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/527765
INTEGRATED LIGHT RECEIVING AND EMITTING DEVICE COMBINED WITH CONTROL CIRCUIT WAFER AND METHOD THEREOF Nov 15, 2021 Issued
Array ( [id] => 17462010 [patent_doc_number] => 20220075315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => AIR IONIZATION DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 17/454942 [patent_app_country] => US [patent_app_date] => 2021-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10915 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17454942 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/454942
Air ionization display device Nov 14, 2021 Issued
Array ( [id] => 19951551 [patent_doc_number] => 12322925 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Optical semiconductor module [patent_app_type] => utility [patent_app_number] => 17/521600 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17521600 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/521600
Optical semiconductor module Nov 7, 2021 Issued
Array ( [id] => 17600018 [patent_doc_number] => 20220149592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => OPTICAL SEMICONDUCTOR MODULE [patent_app_type] => utility [patent_app_number] => 17/521660 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17521660 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/521660
Optical semiconductor module Nov 7, 2021 Issued
Array ( [id] => 18287150 [patent_doc_number] => 20230102622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => VERTICALLY OFFSET VERTICAL CAVITY SURFACE EMITTING LASERS [patent_app_type] => utility [patent_app_number] => 17/453060 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453060 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/453060
Vertically offset vertical cavity surface emitting lasers Oct 31, 2021 Issued
Array ( [id] => 17577788 [patent_doc_number] => 20220134643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => Resonance Based Light Valve System [patent_app_type] => utility [patent_app_number] => 17/513402 [patent_app_country] => US [patent_app_date] => 2021-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10686 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17513402 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/513402
Resonance based light valve system Oct 27, 2021 Issued
Array ( [id] => 18338058 [patent_doc_number] => 20230130007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => Eye Safety Interlock For Fiber-Coupled High Power Laser Sources [patent_app_type] => utility [patent_app_number] => 17/511742 [patent_app_country] => US [patent_app_date] => 2021-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17511742 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/511742
Eye safety interlock for fiber-coupled high power laser sources Oct 26, 2021 Issued
Array ( [id] => 18579341 [patent_doc_number] => 11735885 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Laser device [patent_app_type] => utility [patent_app_number] => 17/510933 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6111 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17510933 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/510933
Laser device Oct 25, 2021 Issued
Array ( [id] => 17552173 [patent_doc_number] => 20220123516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => CHIP-INTEGRATED MODE-LOCKED LASERS BASED ON THIN-FILM NONLINEAR WAVEGUIDES [patent_app_type] => utility [patent_app_number] => 17/500425 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14503 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500425 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500425
Chip-integrated mode-locked lasers based on thin-film nonlinear waveguides Oct 12, 2021 Issued
Array ( [id] => 18866476 [patent_doc_number] => 20230420913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => OPTOELECTRONIC COMPONENT AND METHOD FOR PRODUCING AN OPTOELECTRONIC COMPONENT [patent_app_type] => utility [patent_app_number] => 18/249307 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5075 [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] => 18249307 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/249307
OPTOELECTRONIC COMPONENT AND METHOD FOR PRODUCING AN OPTOELECTRONIC COMPONENT Oct 11, 2021 Pending
Menu