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] => 17914971 [patent_doc_number] => 20220317367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => DISPERSION COMPENSATION FIBER AND DISPERSION COMPENSATION MODULE [patent_app_type] => utility [patent_app_number] => 17/702896 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17702896 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/702896
Dispersion compensation fiber and dispersion compensation module Mar 23, 2022 Issued
Array ( [id] => 18470565 [patent_doc_number] => 20230204851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => MULTI-CORE OPTICAL FIBER [patent_app_type] => utility [patent_app_number] => 17/698812 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4272 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17698812 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/698812
MULTI-CORE OPTICAL FIBER Mar 17, 2022 Pending
Array ( [id] => 18470564 [patent_doc_number] => 20230204850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => MULTI-CORE FIBER AND MANUFACTURING METHOD THEREOF AND MULTI-CORE FIBER MARKER [patent_app_type] => utility [patent_app_number] => 17/698796 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17698796 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/698796
Multi-core fiber and manufacturing method thereof and multi-core fiber marker Mar 17, 2022 Issued
Array ( [id] => 17991501 [patent_doc_number] => 20220357538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => EMBEDDED SILICON PHOTONICS CHIP IN A MULTI-DIE PACKAGE [patent_app_type] => utility [patent_app_number] => 17/697822 [patent_app_country] => US [patent_app_date] => 2022-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8799 [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] => 17697822 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/697822
EMBEDDED SILICON PHOTONICS CHIP IN A MULTI-DIE PACKAGE Mar 16, 2022 Pending
Array ( [id] => 17884226 [patent_doc_number] => 20220299703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => Electro-optical device via arrangement [patent_app_type] => utility [patent_app_number] => 17/693476 [patent_app_country] => US [patent_app_date] => 2022-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693476 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693476
Electro-optical device via arrangement Mar 13, 2022 Abandoned
Array ( [id] => 18613813 [patent_doc_number] => 20230280549 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => METAMATERIAL LAYERS FOR USE WITH OPTICAL COMPONENTS [patent_app_type] => utility [patent_app_number] => 17/684840 [patent_app_country] => US [patent_app_date] => 2022-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3753 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17684840 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/684840
METAMATERIAL LAYERS FOR USE WITH OPTICAL COMPONENTS Mar 1, 2022 Pending
Array ( [id] => 18253250 [patent_doc_number] => 20230080289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => PHOTONIC CRYSTAL-BASED SENSOR [patent_app_type] => utility [patent_app_number] => 17/682027 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682027 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682027
PHOTONIC CRYSTAL-BASED SENSOR Feb 27, 2022 Abandoned
Array ( [id] => 19143810 [patent_doc_number] => 20240142702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => OPTICAL FIBER CUTTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/547955 [patent_app_country] => US [patent_app_date] => 2022-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4405 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18547955 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547955
OPTICAL FIBER CUTTING DEVICE Feb 24, 2022 Pending
Array ( [id] => 18584282 [patent_doc_number] => 20230266545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => DUAL-LAYER GRATING COUPLER [patent_app_type] => utility [patent_app_number] => 17/652408 [patent_app_country] => US [patent_app_date] => 2022-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5942 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17652408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/652408
DUAL-LAYER GRATING COUPLER Feb 23, 2022 Pending
Array ( [id] => 17853321 [patent_doc_number] => 20220283363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => OPTICAL FIBER WITH REDUCED ATTENUATION DUE TO REDUCED ABSORPTION CONTRIBUTION [patent_app_type] => utility [patent_app_number] => 17/679805 [patent_app_country] => US [patent_app_date] => 2022-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17679805 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/679805
OPTICAL FIBER WITH REDUCED ATTENUATION DUE TO REDUCED ABSORPTION CONTRIBUTION Feb 23, 2022 Pending
Array ( [id] => 18584282 [patent_doc_number] => 20230266545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => DUAL-LAYER GRATING COUPLER [patent_app_type] => utility [patent_app_number] => 17/652408 [patent_app_country] => US [patent_app_date] => 2022-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5942 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17652408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/652408
DUAL-LAYER GRATING COUPLER Feb 23, 2022 Pending
Array ( [id] => 18584285 [patent_doc_number] => 20230266548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => TAPERED WAVEGUIDE SEMICONDUCTOR OPTICAL DEVICES WITH INCREASED FACET REFLECTIVITY [patent_app_type] => utility [patent_app_number] => 17/676674 [patent_app_country] => US [patent_app_date] => 2022-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4051 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17676674 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/676674
Tapered waveguide semiconductor optical devices with increased facet reflectivity Feb 20, 2022 Issued
Array ( [id] => 19136624 [patent_doc_number] => 11971572 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Optical waveguide with stacked cladding material layers [patent_app_type] => utility [patent_app_number] => 17/674905 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 43 [patent_no_of_words] => 6900 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17674905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674905
Optical waveguide with stacked cladding material layers Feb 17, 2022 Issued
Array ( [id] => 18997376 [patent_doc_number] => 11914213 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Fiber optic cable assembly for installation on a powerline conductor [patent_app_type] => utility [patent_app_number] => 17/674748 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6028 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17674748 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674748
Fiber optic cable assembly for installation on a powerline conductor Feb 16, 2022 Issued
Array ( [id] => 19702989 [patent_doc_number] => 12197011 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Optical waveguide system, and electronic device [patent_app_type] => utility [patent_app_number] => 17/666678 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 5032 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17666678 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/666678
Optical waveguide system, and electronic device Feb 7, 2022 Issued
Array ( [id] => 17613261 [patent_doc_number] => 20220155541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => High Density Optical Cables [patent_app_type] => utility [patent_app_number] => 17/649518 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17649518 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649518
High density optical cables Jan 30, 2022 Issued
Array ( [id] => 18733348 [patent_doc_number] => 11802071 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-31 [patent_title] => Fiber optic imaging element with medium-expansion and fabrication method therefor [patent_app_type] => utility [patent_app_number] => 17/766422 [patent_app_country] => US [patent_app_date] => 2022-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6766 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 464 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17766422 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/766422
Fiber optic imaging element with medium-expansion and fabrication method therefor Jan 28, 2022 Issued
Array ( [id] => 18531290 [patent_doc_number] => 20230236362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => MODE CONVERSION WAVEGUIDE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/649169 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17649169 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649169
Mode conversion waveguide system Jan 26, 2022 Issued
Array ( [id] => 17597333 [patent_doc_number] => 20220146907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => HOLLOW-CORE FIBRE AND METHOD OF MANUFACTURING THEREOF [patent_app_type] => utility [patent_app_number] => 17/583290 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17583290 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583290
Hollow-core fibre and method of manufacturing thereof Jan 24, 2022 Issued
Array ( [id] => 20373666 [patent_doc_number] => 12481098 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Anti-resonance preform with two contact points [patent_app_type] => utility [patent_app_number] => 18/261225 [patent_app_country] => US [patent_app_date] => 2022-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 30 [patent_no_of_words] => 25986 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261225 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261225
Anti-resonance preform with two contact points Jan 18, 2022 Issued
Menu