Search

Chris H. Chu

Examiner (ID: 15942, Phone: (571)272-8655 , Office: P/2874 )

Most Active Art Unit
2874
Art Unit(s)
2874
Total Applications
957
Issued Applications
555
Pending Applications
101
Abandoned Applications
329

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18863547 [patent_doc_number] => 20230417983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => CO-ALKALI DOPED OPTICAL FIBERS [patent_app_type] => utility [patent_app_number] => 18/211696 [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] => 8805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18211696 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/211696
CO-ALKALI DOPED OPTICAL FIBERS Jun 19, 2023 Pending
Array ( [id] => 19632632 [patent_doc_number] => 20240411081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => MULTICORE OPTICAL FIBER SYSTEM CONNECTIVITY IN DATA CENTERS [patent_app_type] => utility [patent_app_number] => 18/206268 [patent_app_country] => US [patent_app_date] => 2023-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8192 [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] => 18206268 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/206268
MULTICORE OPTICAL FIBER SYSTEM CONNECTIVITY IN DATA CENTERS Jun 5, 2023 Pending
Array ( [id] => 18694286 [patent_doc_number] => 20230324692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => LIGHT GUIDING APPARATUS AND METHOD OF PRODUCING THE SAME [patent_app_type] => utility [patent_app_number] => 18/204018 [patent_app_country] => US [patent_app_date] => 2023-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18204018 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/204018
Light guiding apparatus and method of producing the same May 30, 2023 Issued
Array ( [id] => 20040731 [patent_doc_number] => 20250178953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => GLASS MATERIAL WITH LOW REFRACTIVE INDEX AND RADIATION RESISTANCE, METHOD FOR PREPARING THE SAME, AND APPLICATIONS THEREOF [patent_app_type] => utility [patent_app_number] => 18/692163 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6050 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18692163 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/692163
Glass material with low refractive index and radiation resistance, method for preparing the same, and applications thereof May 29, 2023 Issued
Array ( [id] => 19587831 [patent_doc_number] => 20240385388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => Optical Devices and Methods of Manufacture [patent_app_type] => utility [patent_app_number] => 18/319854 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18319854 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/319854
Optical Devices and Methods of Manufacture May 17, 2023 Pending
Array ( [id] => 19587831 [patent_doc_number] => 20240385388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => Optical Devices and Methods of Manufacture [patent_app_type] => utility [patent_app_number] => 18/319854 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18319854 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/319854
Optical Devices and Methods of Manufacture May 17, 2023 Pending
Array ( [id] => 19587819 [patent_doc_number] => 20240385376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => POLARIZATION BEAM SPLITTER ROTATOR [patent_app_type] => utility [patent_app_number] => 18/317714 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18317714 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/317714
POLARIZATION BEAM SPLITTER ROTATOR May 14, 2023 Pending
Array ( [id] => 18584288 [patent_doc_number] => 20230266551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => SPACE EFFICIENT OPTICAL FIBER TRAY ORGANIZER FOR A TELECOMMUNICATIONS CLOSURE [patent_app_type] => utility [patent_app_number] => 18/309252 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8298 [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] => 18309252 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/309252
SPACE EFFICIENT OPTICAL FIBER TRAY ORGANIZER FOR A TELECOMMUNICATIONS CLOSURE Apr 27, 2023 Pending
Array ( [id] => 18584278 [patent_doc_number] => 20230266541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => SURFACE MOUNT MODULE FOR POWER FIBER CABLE [patent_app_type] => utility [patent_app_number] => 18/309321 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8477 [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] => 18309321 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/309321
SURFACE MOUNT MODULE FOR POWER FIBER CABLE Apr 27, 2023 Pending
Array ( [id] => 19764260 [patent_doc_number] => 12222548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Optical waveguide coupling using fabricated waveguide coupling structures [patent_app_type] => utility [patent_app_number] => 18/308192 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 5743 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308192
Optical waveguide coupling using fabricated waveguide coupling structures Apr 26, 2023 Issued
Array ( [id] => 18568539 [patent_doc_number] => 20230258875 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => Fiber Connector Plug Assembly, Fiber Connector Assembly, and Communication Device [patent_app_type] => utility [patent_app_number] => 18/307520 [patent_app_country] => US [patent_app_date] => 2023-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29434 [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] => 18307520 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/307520
Fiber Connector Plug Assembly, Fiber Connector Assembly, and Communication Device Apr 25, 2023 Pending
Array ( [id] => 18568526 [patent_doc_number] => 20230258862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => OPTICAL COUPLER AND WAVEGUIDE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/138700 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18138700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/138700
OPTICAL COUPLER AND WAVEGUIDE SYSTEM Apr 23, 2023 Abandoned
Array ( [id] => 18553402 [patent_doc_number] => 20230251414 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => WAVEGUIDE, WAVEGUIDE PRODUCTION METHOD, AND POLARISATION SPLITTER USING SAID WAVEGUIDE [patent_app_type] => utility [patent_app_number] => 18/297556 [patent_app_country] => US [patent_app_date] => 2023-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5368 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18297556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/297556
WAVEGUIDE, WAVEGUIDE PRODUCTION METHOD, AND POLARISATION SPLITTER USING SAID WAVEGUIDE Apr 6, 2023 Abandoned
Array ( [id] => 19419586 [patent_doc_number] => 20240295709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => Optical Fiber Capillary Tube Power Stripper [patent_app_type] => utility [patent_app_number] => 18/193673 [patent_app_country] => US [patent_app_date] => 2023-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3824 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18193673 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/193673
Optical Fiber Capillary Tube Power Stripper Mar 30, 2023 Pending
Array ( [id] => 18818989 [patent_doc_number] => 20230393329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => WAVEGUIDE WITH ORGANIC SOLID CRYSTAL SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/188499 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18188499 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188499
WAVEGUIDE WITH ORGANIC SOLID CRYSTAL SUBSTRATE Mar 22, 2023 Pending
Array ( [id] => 18659221 [patent_doc_number] => 20230305224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => MULTI-CLAD OPTICAL FIBERS [patent_app_type] => utility [patent_app_number] => 18/185685 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18185685 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/185685
MULTI-CLAD OPTICAL FIBERS Mar 16, 2023 Pending
Array ( [id] => 18659221 [patent_doc_number] => 20230305224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => MULTI-CLAD OPTICAL FIBERS [patent_app_type] => utility [patent_app_number] => 18/185685 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18185685 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/185685
MULTI-CLAD OPTICAL FIBERS Mar 16, 2023 Pending
Array ( [id] => 18512720 [patent_doc_number] => 20230228934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => CUSTOMIZED POLYMER/GLASS DIFFRACTIVE WAVEGUIDE STACKS FOR AUGMENTED REALITY/MIXED REALITY APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/185032 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3133 [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] => 18185032 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/185032
Customized polymer/glass diffractive waveguide stacks for augmented reality/mixed reality applications Mar 15, 2023 Issued
Array ( [id] => 18629744 [patent_doc_number] => 20230288632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => FIBER OPTIC CONNECTOR INSERTION AND EXTRACTION TOOLS HAVING MULTIPLE TIP GEOMETRIES [patent_app_type] => utility [patent_app_number] => 18/180820 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18180820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180820
FIBER OPTIC CONNECTOR INSERTION AND EXTRACTION TOOLS HAVING MULTIPLE TIP GEOMETRIES Mar 7, 2023 Pending
Array ( [id] => 18470567 [patent_doc_number] => 20230204853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => MULTICORE FIBER [patent_app_type] => utility [patent_app_number] => 18/178620 [patent_app_country] => US [patent_app_date] => 2023-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18178620 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/178620
Multicore fiber Mar 5, 2023 Issued
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