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] => 18533685 [patent_doc_number] => 20230238762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => HIGH-POWER COMPACT SOLID-STATE SLAB LASER AMPLIFIER [patent_app_type] => utility [patent_app_number] => 17/935676 [patent_app_country] => US [patent_app_date] => 2022-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17935676 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/935676
HIGH-POWER COMPACT SOLID-STATE SLAB LASER AMPLIFIER Sep 26, 2022 Pending
Array ( [id] => 18951346 [patent_doc_number] => 11894653 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Optical apparatus [patent_app_type] => utility [patent_app_number] => 17/944601 [patent_app_country] => US [patent_app_date] => 2022-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 24 [patent_no_of_words] => 7963 [patent_no_of_claims] => 12 [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] => 17944601 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/944601
Optical apparatus Sep 13, 2022 Issued
Array ( [id] => 18251990 [patent_doc_number] => 20230079029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => OPTICAL SEMICONDUCTOR DEVICE, OPTICAL UNIT, AND METHOD FOR MANUFACTURING OPTICAL UNIT [patent_app_type] => utility [patent_app_number] => 17/944404 [patent_app_country] => US [patent_app_date] => 2022-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17944404 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/944404
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL UNIT, AND METHOD FOR MANUFACTURING OPTICAL UNIT Sep 13, 2022 Pending
Array ( [id] => 18239372 [patent_doc_number] => 20230071683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => LASER RESONATOR ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/902764 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17902764 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902764
LASER RESONATOR ASSEMBLY Sep 1, 2022 Pending
Array ( [id] => 19108430 [patent_doc_number] => 11961543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Thermal management of laser diode mode hopping for heat assisted media recording [patent_app_type] => utility [patent_app_number] => 17/898936 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 6962 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17898936 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/898936
Thermal management of laser diode mode hopping for heat assisted media recording Aug 29, 2022 Issued
Array ( [id] => 18068607 [patent_doc_number] => 20220399695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-15 [patent_title] => OPTICAL SYSTEM FOR INCREASING THE CONTRAST OF PULSED LASER RADIATION, LASER SYSTEM AND METHOD FOR INCREASING THE CONTRAST OF PULSED LASER RADIATION [patent_app_type] => utility [patent_app_number] => 17/889396 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7957 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889396 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889396
OPTICAL SYSTEM FOR INCREASING THE CONTRAST OF PULSED LASER RADIATION, LASER SYSTEM AND METHOD FOR INCREASING THE CONTRAST OF PULSED LASER RADIATION Aug 16, 2022 Abandoned
Array ( [id] => 20581560 [patent_doc_number] => 12573816 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Light source module, processing machine, and processing method [patent_app_type] => utility [patent_app_number] => 17/889052 [patent_app_country] => US [patent_app_date] => 2022-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 21 [patent_no_of_words] => 10486 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17889052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/889052
Light source module, processing machine, and processing method Aug 15, 2022 Issued
Array ( [id] => 18062345 [patent_doc_number] => 20220393432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => BRAGG GRATING AND METHOD FOR MANUFACTURING THE SAME AND DISTRIBUTED FEEDBACK LASER DEVICE [patent_app_type] => utility [patent_app_number] => 17/888066 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17888066 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/888066
BRAGG GRATING AND METHOD FOR MANUFACTURING THE SAME AND DISTRIBUTED FEEDBACK LASER DEVICE Aug 14, 2022 Pending
Array ( [id] => 20674361 [patent_doc_number] => 12614887 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Temporal contrast improvement for short pulse lasers via ionization gratings [patent_app_type] => utility [patent_app_number] => 17/882421 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 16392 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17882421 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/882421
Temporal contrast improvement for short pulse lasers via ionization gratings Aug 4, 2022 Issued
Array ( [id] => 18941294 [patent_doc_number] => 20240036433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => TUNABLE MID-IR TRANSMITTER FOR HIGH-SPEED FREE SPACE COMMUNICATIONS [patent_app_type] => utility [patent_app_number] => 17/875224 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4192 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17875224 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/875224
TUNABLE MID-IR TRANSMITTER FOR HIGH-SPEED FREE SPACE COMMUNICATIONS Jul 26, 2022 Abandoned
Array ( [id] => 18207594 [patent_doc_number] => 20230053851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => HIGH SPEED SPATIAL LIGHT MODULATOR [patent_app_type] => utility [patent_app_number] => 17/815339 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8596 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17815339 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/815339
High speed spatial light modulator Jul 26, 2022 Issued
Array ( [id] => 17946897 [patent_doc_number] => 20220333916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => FIBER OPTIC VOLTAGE CONDITIONING [patent_app_type] => utility [patent_app_number] => 17/856914 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17856914 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856914
Fiber optic voltage conditioning Jun 30, 2022 Issued
Array ( [id] => 18680588 [patent_doc_number] => 20230318250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => MULTICORE MASTER OSCILLATOR POWER AMPLIFIER [patent_app_type] => utility [patent_app_number] => 17/809417 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17809417 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809417
MULTICORE MASTER OSCILLATOR POWER AMPLIFIER Jun 27, 2022 Pending
Array ( [id] => 20746974 [patent_doc_number] => 12646901 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Fiber amplifier [patent_app_type] => utility [patent_app_number] => 17/851307 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 2150 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17851307 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/851307
Fiber amplifier Jun 27, 2022 Issued
Array ( [id] => 18866477 [patent_doc_number] => 20230420914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => LASER SYSTEM AND METHOD FOR DRIVING A LASER SYSTEM [patent_app_type] => utility [patent_app_number] => 17/808310 [patent_app_country] => US [patent_app_date] => 2022-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17808310 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/808310
Laser system and method for driving a laser system Jun 22, 2022 Issued
Array ( [id] => 18875113 [patent_doc_number] => 11862939 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-02 [patent_title] => Ultraviolet laser diode device [patent_app_type] => utility [patent_app_number] => 17/843104 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 35 [patent_no_of_words] => 12841 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 17843104 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843104
Ultraviolet laser diode device Jun 16, 2022 Issued
Array ( [id] => 19016716 [patent_doc_number] => 11923662 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Edge-emitting laser bar [patent_app_type] => utility [patent_app_number] => 17/807272 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 8406 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17807272 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/807272
Edge-emitting laser bar Jun 15, 2022 Issued
Array ( [id] => 20674365 [patent_doc_number] => 12614891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Optical element displacement detection circuit [patent_app_type] => utility [patent_app_number] => 17/840949 [patent_app_country] => US [patent_app_date] => 2022-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3529 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17840949 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/840949
Optical element displacement detection circuit Jun 14, 2022 Issued
Array ( [id] => 18857198 [patent_doc_number] => 11854789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Method for manufacturing gate structure with additional oxide layer [patent_app_type] => utility [patent_app_number] => 17/839054 [patent_app_country] => US [patent_app_date] => 2022-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 6489 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17839054 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/839054
Method for manufacturing gate structure with additional oxide layer Jun 12, 2022 Issued
Array ( [id] => 18834280 [patent_doc_number] => 20230402807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => FIBER-COUPLED LASER SYSTEMS WITH CONTROLLABLE BEAM SHAPES [patent_app_type] => utility [patent_app_number] => 17/806281 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6604 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17806281 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/806281
FIBER-COUPLED LASER SYSTEMS WITH CONTROLLABLE BEAM SHAPES Jun 9, 2022 Pending
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