Search

David Y. Eng

Examiner (ID: 5726)

Most Active Art Unit
2302
Art Unit(s)
2307, 2315, 2784, 2783, 2455, 2302, 2155
Total Applications
1574
Issued Applications
1203
Pending Applications
58
Abandoned Applications
313

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19788917 [patent_doc_number] => 20250062596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => ULTRAFAST MODULATION VERTICAL-CAVITY SURFACE-EMITTING LASER (VCSEL) [patent_app_type] => utility [patent_app_number] => 18/802317 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11327 [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] => 18802317 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/802317
ULTRAFAST MODULATION VERTICAL-CAVITY SURFACE-EMITTING LASER (VCSEL) Aug 12, 2024 Pending
Array ( [id] => 19532403 [patent_doc_number] => 20240356305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SEMICONDUCTOR LASERS WITH IMPROVED FREQUENCY MODULATION RESPONSE [patent_app_type] => utility [patent_app_number] => 18/760508 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6659 [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] => 18760508 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760508
SEMICONDUCTOR LASERS WITH IMPROVED FREQUENCY MODULATION RESPONSE Jun 30, 2024 Pending
Array ( [id] => 19484852 [patent_doc_number] => 20240332894 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => SEMICONDUCTOR LASERS WITH SUBSTRATE MODE SUPPRESSION LAYERS [patent_app_type] => utility [patent_app_number] => 18/638654 [patent_app_country] => US [patent_app_date] => 2024-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8018 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18638654 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/638654
Semiconductor lasers with substrate mode suppression layers Apr 16, 2024 Issued
Array ( [id] => 20435196 [patent_doc_number] => 12506324 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Laser diode and method for manufacturing the same [patent_app_type] => utility [patent_app_number] => 18/534810 [patent_app_country] => US [patent_app_date] => 2023-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 22 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18534810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/534810
Laser diode and method for manufacturing the same Dec 10, 2023 Issued
Array ( [id] => 18813326 [patent_doc_number] => 20230387663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => OPTICAL SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 18/366894 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8008 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18366894 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/366894
OPTICAL SEMICONDUCTOR DEVICE Aug 7, 2023 Pending
Array ( [id] => 19749918 [patent_doc_number] => 20250038483 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => OPTICAL DEVICES [patent_app_type] => utility [patent_app_number] => 18/226821 [patent_app_country] => US [patent_app_date] => 2023-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13441 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18226821 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/226821
OPTICAL DEVICES Jul 26, 2023 Pending
Array ( [id] => 18906558 [patent_doc_number] => 20240022043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => LASERS WITH A COMPOSITE CAVITY OF TWO SEMICONDUCTORS [patent_app_type] => utility [patent_app_number] => 18/221242 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2472 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18221242 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221242
LASERS WITH A COMPOSITE CAVITY OF TWO SEMICONDUCTORS Jul 11, 2023 Pending
Array ( [id] => 19321994 [patent_doc_number] => 20240243541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => DIFFERENTIAL FREQUENCY GENERATION [patent_app_type] => utility [patent_app_number] => 18/337713 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18337713 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337713
DIFFERENTIAL FREQUENCY GENERATION Jun 19, 2023 Pending
Array ( [id] => 19023684 [patent_doc_number] => 20240079855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => High-Speed Vertical Cavity Surface Emitting Laser, Electronic Device with the Same and Manufacturing Method Thereof [patent_app_type] => utility [patent_app_number] => 18/133433 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3186 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133433 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133433
High-Speed Vertical Cavity Surface Emitting Laser, Electronic Device with the Same and Manufacturing Method Thereof Apr 10, 2023 Pending
Array ( [id] => 18266177 [patent_doc_number] => 20230087419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => EXTERNAL RESONANT LASER MODULE [patent_app_type] => utility [patent_app_number] => 17/945252 [patent_app_country] => US [patent_app_date] => 2022-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 384 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17945252 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/945252
EXTERNAL RESONANT LASER MODULE Sep 14, 2022 Issued
Array ( [id] => 18680186 [patent_doc_number] => 20230317844 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => SEMICONDUCTOR DEVICE, INVERTER CIRCUIT, DRIVE DEVICE, VEHICLE, AND ELEVATOR [patent_app_type] => utility [patent_app_number] => 17/824000 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 614 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17824000 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/824000
SEMICONDUCTOR DEVICE, INVERTER CIRCUIT, DRIVE DEVICE, VEHICLE, AND ELEVATOR Aug 31, 2022 Pending
Array ( [id] => 18081994 [patent_doc_number] => 20220407606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => Laser Module for Optical Data Communication System [patent_app_type] => utility [patent_app_number] => 17/893114 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15517 [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] => 17893114 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893114
Laser Module for Optical Data Communication System Aug 21, 2022 Pending
Array ( [id] => 18975743 [patent_doc_number] => 20240055835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => RED GREEN BLUE LASER MODULE [patent_app_type] => utility [patent_app_number] => 17/885478 [patent_app_country] => US [patent_app_date] => 2022-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17885478 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/885478
Red green blue laser module Aug 9, 2022 Issued
Array ( [id] => 18555470 [patent_doc_number] => 20230253487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => SEMICONDUCTOR DEVICE [patent_app_type] => utility [patent_app_number] => 17/817681 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 493 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17817681 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/817681
Semiconductor device Aug 4, 2022 Issued
Array ( [id] => 18409059 [patent_doc_number] => 20230170412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => TRENCH POWER SEMICONDUCTOR COMPONENT AND METHOD FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 17/858399 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6441 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17858399 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858399
Trench power semiconductor component and method for manufacturing the same Jul 5, 2022 Issued
Array ( [id] => 18866480 [patent_doc_number] => 20230420917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => Compact, Surface-Mounted VCSEL Illuminators [patent_app_type] => utility [patent_app_number] => 17/848843 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17848843 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/848843
Compact, surface-mounted VCSEL illuminators Jun 23, 2022 Issued
Array ( [id] => 18062340 [patent_doc_number] => 20220393427 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => DFB+R LASER STRUCTURE FOR DIRECTLY MODULATED LASER [patent_app_type] => utility [patent_app_number] => 17/804448 [patent_app_country] => US [patent_app_date] => 2022-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17804448 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/804448
DFB+R laser structure for directly modulated laser May 26, 2022 Issued
Array ( [id] => 19935402 [patent_doc_number] => 12308612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Visible light-emitting semiconductor laser device and method of manufacturing the same [patent_app_type] => utility [patent_app_number] => 17/824526 [patent_app_country] => US [patent_app_date] => 2022-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 6187 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 17824526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/824526
Visible light-emitting semiconductor laser device and method of manufacturing the same May 24, 2022 Issued
Array ( [id] => 19116961 [patent_doc_number] => 20240128711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => SEMICONDUCTOR LASER MODULE AND LASER MACHINING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/264827 [patent_app_country] => US [patent_app_date] => 2022-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18264827 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/264827
SEMICONDUCTOR LASER MODULE AND LASER MACHINING APPARATUS Apr 3, 2022 Pending
Array ( [id] => 18680600 [patent_doc_number] => 20230318262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => VCSEL WITH ANISOTROPIC CURVED MIRROR [patent_app_type] => utility [patent_app_number] => 17/709914 [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] => 8259 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17709914 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/709914
VCSEL with anisotropic curved mirror Mar 30, 2022 Issued
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