Search

Chris H. Chu

Examiner (ID: 6920, Phone: (571)272-8655 , Office: P/2874 )

Most Active Art Unit
2874
Art Unit(s)
2874
Total Applications
981
Issued Applications
572
Pending Applications
84
Abandoned Applications
339

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19068840 [patent_doc_number] => 20240103266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => MULTI-PLANE CONVERSION DEVICE [patent_app_type] => utility [patent_app_number] => 18/520059 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9505 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18520059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/520059
Multi-plane conversion device Nov 26, 2023 Issued
Array ( [id] => 19052523 [patent_doc_number] => 20240094492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => OPTICAL FIBER CABLE HAVING LOW FREE SPACE AND HIGH FIBER DENSITY [patent_app_type] => utility [patent_app_number] => 18/515679 [patent_app_country] => US [patent_app_date] => 2023-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18515679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/515679
OPTICAL FIBER CABLE HAVING LOW FREE SPACE AND HIGH FIBER DENSITY Nov 20, 2023 Pending
Array ( [id] => 19302410 [patent_doc_number] => 20240230987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => OPTICAL DEVICE, OPTICAL TRANSMITTER DEVICE, AND OPTICAL RECEIVER DEVICE [patent_app_type] => utility [patent_app_number] => 18/516109 [patent_app_country] => US [patent_app_date] => 2023-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11532 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18516109 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/516109
OPTICAL DEVICE, OPTICAL TRANSMITTER DEVICE, AND OPTICAL RECEIVER DEVICE Nov 20, 2023 Pending
Array ( [id] => 19035813 [patent_doc_number] => 20240085628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => PRECISION SPACING CONTROL FOR OPTICAL WAVEGUIDES [patent_app_type] => utility [patent_app_number] => 18/507873 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18507873 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507873
PRECISION SPACING CONTROL FOR OPTICAL WAVEGUIDES Nov 12, 2023 Abandoned
Array ( [id] => 20011255 [patent_doc_number] => 20250149477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => PHOTONIC ASSEMBLY FOR ENHANCED BONDING YIELD AND METHODS FOR FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 18/501064 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18501064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/501064
Photonic assembly for enhanced bonding yield and methods for forming the same Nov 2, 2023 Issued
Array ( [id] => 20009013 [patent_doc_number] => 20250147235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => PHOTODETECTORS WITH A NOTCHED LIGHT-ABSORBING LAYER [patent_app_type] => utility [patent_app_number] => 18/501602 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18501602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/501602
PHOTODETECTORS WITH A NOTCHED LIGHT-ABSORBING LAYER Nov 2, 2023 Pending
Array ( [id] => 18973441 [patent_doc_number] => 20240053533 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => SMF TO MMF COUPLER [patent_app_type] => utility [patent_app_number] => 18/382775 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18382775 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382775
SMF to MMF coupler Oct 22, 2023 Issued
Array ( [id] => 19084308 [patent_doc_number] => 20240111109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => CONNECTOR FOR ALIGNMENT OF INTEGRATED WAVEGUIDES AND OPTICAL FIBERS [patent_app_type] => utility [patent_app_number] => 18/381438 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18381438 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/381438
CONNECTOR FOR ALIGNMENT OF INTEGRATED WAVEGUIDES AND OPTICAL FIBERS Oct 17, 2023 Pending
Array ( [id] => 20331123 [patent_doc_number] => 12461395 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Polarization beam splitter using asymmetric power splitting and multipath interferometry [patent_app_type] => utility [patent_app_number] => 18/375717 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 2768 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18375717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/375717
Polarization beam splitter using asymmetric power splitting and multipath interferometry Oct 1, 2023 Issued
Array ( [id] => 20897426 [patent_doc_number] => 12704689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-11 [patent_title] => Optical module [patent_app_type] => utility [patent_app_number] => 18/473592 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 33 [patent_no_of_words] => 15882 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18473592 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/473592
OPTICAL MODULE Sep 24, 2023 Pending
Array ( [id] => 19949669 [patent_doc_number] => 12321030 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => High density optical cables [patent_app_type] => utility [patent_app_number] => 18/471462 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 34 [patent_no_of_words] => 5251 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471462 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471462
High density optical cables Sep 20, 2023 Issued
Array ( [id] => 18880757 [patent_doc_number] => 20240004126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => OPTICAL FIBER [patent_app_type] => utility [patent_app_number] => 18/469607 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7673 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469607 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469607
OPTICAL FIBER Sep 18, 2023 Pending
Array ( [id] => 20827690 [patent_doc_number] => 12681250 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => Interposer with planar sidewall surface for optical coupling and methods of forming the same [patent_app_type] => utility [patent_app_number] => 18/460769 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 3357 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18460769 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460769
Interposer with planar sidewall surface for optical coupling and methods of forming the same Sep 4, 2023 Issued
Array ( [id] => 20547391 [patent_doc_number] => 12558160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Surgical laser fiber standoff arrangement for preventing dust particle accumulation during a laser lithotripsy procedure [patent_app_type] => utility [patent_app_number] => 18/457415 [patent_app_country] => US [patent_app_date] => 2023-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [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] => 18457415 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/457415
Surgical laser fiber standoff arrangement for preventing dust particle accumulation during a laser lithotripsy procedure Aug 28, 2023 Issued
Array ( [id] => 18818988 [patent_doc_number] => 20230393328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => SINGLE-MODE OPTICAL FIBER WITH THIN COATING FOR HIGH DENSITY CABLES AND INTERCONNECTS [patent_app_type] => utility [patent_app_number] => 18/452613 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 26301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18452613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/452613
SINGLE-MODE OPTICAL FIBER WITH THIN COATING FOR HIGH DENSITY CABLES AND INTERCONNECTS Aug 20, 2023 Pending
Array ( [id] => 20866582 [patent_doc_number] => 12693469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-28 [patent_title] => Uncoupled-core multicore optical fiber with reduced cross talk [patent_app_type] => utility [patent_app_number] => 18/235496 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8896 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235496 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235496
UNCOUPLED-CORE MULTICORE OPTICAL FIBER WITH REDUCED CROSS TALK Aug 17, 2023 Issued
Array ( [id] => 18989218 [patent_doc_number] => 20240061187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => MULTI-FIBER FERRULE WITH TAPERED TRANSITION INTO FERRULE BORE [patent_app_type] => utility [patent_app_number] => 18/235488 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8309 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235488 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235488
MULTI-FIBER FERRULE WITH TAPERED TRANSITION INTO FERRULE BORE Aug 17, 2023 Pending
Array ( [id] => 20609472 [patent_doc_number] => 12585071 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Fiber optic cable assemblies with in-line terminal assemblies and methods of making and installing same [patent_app_type] => utility [patent_app_number] => 18/235002 [patent_app_country] => US [patent_app_date] => 2023-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5782 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235002 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235002
Fiber optic cable assemblies with in-line terminal assemblies and methods of making and installing same Aug 16, 2023 Issued
Array ( [id] => 18880782 [patent_doc_number] => 20240004151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => EMBEDDED SILICON PHOTONICS CHIP IN A MULTI-DIE PACKAGE [patent_app_type] => utility [patent_app_number] => 18/446424 [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] => 8816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18446424 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/446424
EMBEDDED SILICON PHOTONICS CHIP IN A MULTI-DIE PACKAGE Aug 7, 2023 Pending
Array ( [id] => 18810175 [patent_doc_number] => 20230384510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => HOLLOW-CORE FIBRE FOR TRANSMITTING LASER LIGHT [patent_app_type] => utility [patent_app_number] => 18/230809 [patent_app_country] => US [patent_app_date] => 2023-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3495 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18230809 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230809
HOLLOW-CORE FIBRE FOR TRANSMITTING LASER LIGHT Aug 6, 2023 Abandoned
Menu